/* v11.css — additions for 3-category IA */

/* ===== 3-CATEGORY SIDEBAR ===== */
.yu-side-3 {
  background: #0F0F10;
  color: #fff;
  border-right: 1px solid #000;
  padding: 0;
  display: flex; flex-direction: column;
  overflow-y: auto;
  width: 260px;
}
.yu-side-3 .yu-side-grp-lbl {
  font: 600 10px/1 var(--font);
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  padding: 0 22px 10px;
}
.yu-side-brand {
  height: 64px;
  padding: 0 22px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: center;
  flex-shrink: 0;
  box-sizing: border-box;
}
.yu-side-brand .brand-row {
  display: flex; align-items: center; gap: 12px;
}
.yu-side-brand .brand-mark {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: #fff; color: #0F0F10;
  display: grid; place-items: center;
  font: 800 16px/1 var(--font);
}
.yu-side-brand .nm { font: 700 14px/1.2 var(--font); letter-spacing: 0.3px; color: #fff; }
.yu-side-brand .sb { font: 400 11px/1 var(--font); letter-spacing: 1.5px; text-transform: uppercase; color: rgba(255,255,255,0.55); margin-top: 4px; }

/* override existing cat list styles for dark sidebar */
.yu-side-3 .yu-cat:hover { background: rgba(255,255,255,0.04); }
.yu-side-3 .yu-cat.active { background: rgba(255,255,255,0.08); border-left-color: #E94E1B; }
.yu-side-3 .yu-cat .nm { color: #fff; }
.yu-side-3 .yu-cat .ds { color: rgba(255,255,255,0.55); }
.yu-side-3 .yu-cat .ar { color: rgba(255,255,255,0.4); }
.yu-side-3 .yu-cat.active .ar { color: #E94E1B; }
.yu-side-3 .yu-cat-sub-item { color: rgba(255,255,255,0.6); }
.yu-side-3 .yu-cat-sub-item:hover { color: #fff; }
.yu-side-3 .yu-cat-sub-item.active { color: #fff; border-left-color: #E94E1B; }
.yu-side-3 .yu-cat-sub-item.active .step-num { color: #E94E1B; }
.yu-side-3 .yu-cat-sub-item.done .step-num { color: #E94E1B; }
.yu-side-3 .yu-cat-sub-item .step-num { color: rgba(255,255,255,0.35); }

/* System group (Drive / Settings) — simple list, no label */
.yu-side-system {
  margin-top: auto;
  padding: 12px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.yu-sys-item {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center; gap: 14px;
  padding: 12px 22px;
  cursor: pointer;
  border-left: 2px solid transparent;
  color: rgba(255,255,255,0.85);
  transition: background-color .12s, color .12s;
}
.yu-sys-item:hover { background: rgba(255,255,255,0.04); color: #fff; }
.yu-sys-item.active {
  background: rgba(255,255,255,0.08);
  border-left-color: #E94E1B;
  color: #fff;
}
.yu-sys-item.disabled {
  color: rgba(255,255,255,0.4);
  cursor: not-allowed;
}
.yu-sys-item.disabled:hover { background: transparent; color: rgba(255,255,255,0.4); }
.yu-sys-item .ic {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  color: inherit;
}
.yu-sys-item .ic svg { width: 18px; height: 18px; }
.yu-sys-item .lbl { display: flex; flex-direction: column; }
.yu-sys-item .nm { font: 500 14px/1.2 var(--font); letter-spacing: 0.1px; color: inherit; }
.yu-sys-item .badge.coming {
  font: 700 9px/1 var(--font);
  letter-spacing: 0.6px;
  padding: 4px 7px;
  border-radius: 4px;
  background: rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
}

/* Sidebar foot — keep above system? actually below; reset margin so it sits at bottom */
.yu-side-3 .yu-side-system + .yu-side-foot { margin-top: 0; }
.yu-side-3 .yu-side-foot {
  margin-top: 0;
  padding: 16px 22px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  font-size: 11px;
  color: rgba(255,255,255,0.55);
}
.yu-side-3 .yu-side-foot .av {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  color: #fff;
  display: grid; place-items: center;
  font: 700 12px/1 var(--font);
}

/* ===== TOP HEADER (white bar, 64px) ===== */
.yu-shell-r {
  display: flex; flex-direction: column;
  min-width: 0; min-height: 0;
  flex: 1;
}
.yu-hdr {
  height: 64px; flex-shrink: 0;
  background: #fff;
  border-bottom: 1px solid var(--hairline);
  display: flex; align-items: center; gap: 12px;
  padding: 0 24px;
  z-index: 10;
}
.yu-hdr-primary {
  display: inline-flex; align-items: center; gap: 8px;
  height: 36px;
  padding: 0 14px;
  background: #111;
  color: #fff;
  border: 0;
  border-radius: 10px;
  font: 600 13px/1 var(--font);
  letter-spacing: 0.1px;
  cursor: pointer;
  transition: background .15s;
}
.yu-hdr-primary:hover { background: #2A2A2A; }
.yu-hdr-primary .plus { font-size: 16px; line-height: 1; opacity: 0.95; }
.yu-hdr-primary .n-dot {
  display: inline-grid; place-items: center;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #EF4444; color: #fff;
  font: 700 10px/1 var(--font);
}
.yu-hdr-icon {
  position: relative;
  width: 36px; height: 36px;
  border: 0;
  background: transparent;
  border-radius: 10px;
  display: grid; place-items: center;
  color: #6B6B6B;
  cursor: pointer;
  transition: background .15s;
}
.yu-hdr-icon:hover { background: #F5F5F0; }
.yu-hdr-icon svg { width: 18px; height: 18px; }
.yu-hdr-icon .dot {
  position: absolute; top: 4px; right: 4px;
  min-width: 16px; height: 16px;
  padding: 0 4px;
  background: #EF4444; color: #fff;
  font: 700 10px/1 var(--font);
  border-radius: 8px;
  display: grid; place-items: center;
  border: 2px solid #fff;
}
.yu-hdr-search {
  flex: 1; max-width: 520px;
  position: relative;
  display: flex; align-items: center;
  height: 36px;
  background: #FAFAF7;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 0 12px 0 38px;
  transition: border-color .15s, background .15s;
}
.yu-hdr-search:focus-within {
  border-color: #111;
  background: #fff;
}
.yu-hdr-search > svg {
  position: absolute; left: 12px;
  width: 16px; height: 16px;
  color: #9CA3AF;
  pointer-events: none;
}
.yu-hdr-search input {
  flex: 1;
  background: transparent;
  border: 0; outline: 0;
  font: 400 13px/1 var(--font);
  color: #1A1A1A;
}
.yu-hdr-search input::placeholder { color: #9CA3AF; }
.yu-hdr-search .kbd {
  font: 600 10px/1 var(--font);
  letter-spacing: 0.4px;
  color: #9CA3AF;
  border: 1px solid var(--hairline);
  background: #fff;
  padding: 4px 6px;
  border-radius: 5px;
}
.yu-hdr-spacer { flex: 1; }
.yu-hdr-inserted {
  display: inline-flex; align-items: center;
  font: 500 11px/1 var(--font);
  letter-spacing: 0.6px;
  color: #9CA3AF;
  padding: 0 4px;
}
.yu-hdr-inserted b {
  color: #1A1A1A;
  font-weight: 700;
  letter-spacing: 1.2px;
  margin-left: 5px;
}
.yu-hdr-org {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 4px 10px 4px 4px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  cursor: pointer;
  transition: background .15s;
}
.yu-hdr-org:hover { background: #FAFAF7; }
.yu-hdr-org .av {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: #E94E1B; color: #fff;
  display: grid; place-items: center;
  font: 700 12px/1 var(--font);
}
.yu-hdr-org .meta { display: flex; flex-direction: column; gap: 1px; line-height: 1.2; }
.yu-hdr-org .org { font: 600 12px/1.2 var(--font); color: #1A1A1A; }
.yu-hdr-org .role { font: 400 10px/1.2 var(--font); color: #9CA3AF; letter-spacing: 0.2px; }
.yu-hdr-org .chev { font-size: 10px; color: #9CA3AF; padding-right: 4px; }

/* ===== SYSTEM PAGES (Drive / Members / Settings) ===== */
.yu-sys-page {
  flex: 1;
  padding: 24px 36px 48px;
  overflow-y: auto;
}
.yu-sys-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.yu-sys-stat {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 18px 20px;
}
.yu-sys-stat .k {
  font: 600 10px/1 var(--font);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.yu-sys-stat .v {
  font: 700 28px/1 var(--font);
  color: var(--ink);
  letter-spacing: -0.4px;
}
.yu-sys-stat .v .u {
  font: 400 13px/1 var(--font);
  color: var(--muted);
  margin-left: 6px;
  letter-spacing: 0;
}
.yu-sys-section { margin-bottom: 28px; }
.yu-sys-section-hd {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.yu-sys-section-hd h3 {
  font: 700 16px/1.2 var(--font);
  color: var(--ink);
  letter-spacing: -0.1px;
  margin: 0;
}

/* Drive */
.yu-drive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.yu-drive-card {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color .12s, transform .12s;
}
.yu-drive-card:hover { border-color: var(--ink); transform: translateY(-1px); }
.yu-drive-card .ic {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: #FAFAF7;
  display: grid; place-items: center;
  color: var(--ink);
}
.yu-drive-card.tag-campaign .ic { background: #FEF3C7; color: #92400E; }
.yu-drive-card.tag-source .ic { background: #DBEAFE; color: #1D4ED8; }
.yu-drive-card.tag-ref .ic { background: #DCFCE7; color: #166534; }
.yu-drive-card.tag-doc .ic { background: #E0E7FF; color: #3730A3; }
.yu-drive-card .ic svg { width: 22px; height: 22px; }
.yu-drive-card .info .nm {
  font: 700 14px/1.2 var(--font);
  color: var(--ink);
  margin-bottom: 4px;
}
.yu-drive-card .info .meta {
  font: 400 12px/1 var(--font);
  color: var(--muted);
}
.yu-drive-card .more {
  font-size: 18px;
  color: var(--muted-soft);
  padding: 4px 8px;
}

/* Members */
.yu-mem-list {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  overflow: hidden;
}
.yu-mem-head, .yu-mem-row {
  display: grid;
  grid-template-columns: 2.4fr 1.6fr 1fr 40px;
  gap: 16px;
  padding: 14px 20px;
  align-items: center;
}
.yu-mem-head {
  background: #FAFAF7;
  border-bottom: 1px solid var(--hairline);
  font: 600 10px/1 var(--font);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--muted);
}
.yu-mem-row + .yu-mem-row { border-top: 1px solid var(--hairline); }
.yu-mem-row .who { display: flex; align-items: center; gap: 12px; }
.yu-mem-row .av {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--ink); color: #fff;
  display: grid; place-items: center;
  font: 700 13px/1 var(--font);
}
.yu-mem-row .av.pending {
  background: #F5F5F0;
  color: var(--muted);
  border: 1px dashed var(--hairline-strong, #d4d4d0);
}
.yu-mem-row .who .nm { font: 600 13px/1.2 var(--font); color: var(--ink); }
.yu-mem-row .who .em { font: 400 11px/1.2 var(--font); color: var(--muted); margin-top: 2px; }
.yu-mem-row .role { font: 500 12px/1.3 var(--font); color: var(--body); }
.yu-mem-row .state {
  font: 600 11px/1 var(--font);
  letter-spacing: 0.3px;
}
.yu-mem-row .state.on { color: #166534; }
.yu-mem-row .state.off { color: var(--muted); }
.yu-mem-row .more { color: var(--muted-soft); font-size: 18px; cursor: pointer; }

/* Settings */
.yu-set-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.yu-set-card {
  background: #fff;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 22px 24px;
}
.yu-set-card h3 {
  font: 700 14px/1.2 var(--font);
  color: var(--ink);
  letter-spacing: 0.1px;
  margin: 0 0 14px;
}
.yu-set-rows { display: flex; flex-direction: column; }
.yu-set-row {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--hairline);
}
.yu-set-row:first-child { border-top: 0; padding-top: 0; }
.yu-set-row .k {
  font: 500 12px/1.3 var(--font);
  color: var(--muted);
}
.yu-set-row .v {
  font: 600 13px/1.3 var(--font);
  color: var(--ink);
  text-align: right;
}

.yu-cat-list { display: flex; flex-direction: column; padding: 12px 0; }
.yu-cat {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center; gap: 12px;
  padding: 14px 22px;
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: background-color .12s;
}
.yu-cat.no-num { grid-template-columns: 1fr auto; }
.yu-cat:hover { background: var(--surface-soft); }
.yu-cat.active { background: var(--surface-soft); border-left-color: var(--primary); }
.yu-cat .num {
  font: 700 11px/1 var(--font); letter-spacing: 1.2px;
  color: var(--muted-soft);
}
.yu-cat.active .num { color: var(--primary); }
.yu-cat .nm { font: 700 13px/1.2 var(--font); color: var(--ink); letter-spacing: 0.2px; }
.yu-cat .ds { font: 400 11px/1.35 var(--font); color: var(--muted); margin-top: 3px; letter-spacing: 0.2px; }
.yu-cat .ar { font-size: 14px; color: var(--muted-soft); }
.yu-cat.active .ar { color: var(--primary); }

.yu-cat-sub {
  display: flex; flex-direction: column;
  padding: 0 0 10px 22px;
  margin-bottom: 6px;
}
.yu-cat-sub-item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 22px 7px 28px;
  font: 400 12px/1 var(--font); color: var(--body);
  border-left: 1px solid var(--hairline);
  cursor: pointer;
}
.yu-cat-sub-item .step-num {
  font: 700 10px/1 var(--font); letter-spacing: 1px; color: var(--muted-soft);
}
.yu-cat-sub-item.active { color: var(--ink); font-weight: 700; border-left-color: var(--primary); }
.yu-cat-sub-item.active .step-num { color: var(--primary); }
.yu-cat-sub-item.done .step-num { color: var(--primary); }

.yu-side-foot {
  margin-top: auto;
  padding: 18px 22px;
  border-top: 1px solid var(--hairline);
  display: flex; align-items: center; gap: 10px;
  font-size: 11px; color: var(--muted); letter-spacing: 0.5px;
}
.yu-side-foot .av {
  width: 28px; height: 28px;
  background: var(--ink); color: #fff;
  display: grid; place-items: center;
  font: 700 11px/1 var(--font);
}

.yu-pkstepper-row {
  display: flex; align-items: stretch; justify-content: space-between;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
}
.yu-pkstepper-row .yu-stepper-4 {
  border-bottom: 0;
  flex: 1; min-width: 0;
}
.yu-pkstepper-actions {
  display: flex; align-items: center; gap: 8px;
  padding: 0 36px 0 16px;
  flex-shrink: 0;
}

/* ===== PACKSHOT TOP STEPPER (4-step) ===== */
.yu-stepper-4 {
  display: flex; align-items: stretch;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  padding: 0 36px;
}
.yu-step4 {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 22px 18px 0;
  cursor: pointer;
  position: relative;
}
.yu-step4 + .yu-step4::before {
  content: ''; width: 22px; height: 1px;
  background: var(--hairline-strong);
  margin-right: 10px;
}
.yu-step4 .n {
  width: 26px; height: 26px;
  border: 1.5px solid var(--hairline-strong);
  display: grid; place-items: center;
  font: 700 11px/1 var(--font); letter-spacing: 0.5px;
  color: var(--muted);
  background: var(--canvas);
}
.yu-step4 .l { font: 500 13px/1 var(--font); color: var(--muted); letter-spacing: 0.2px; }
.yu-step4.done .n { background: var(--primary); border-color: var(--primary); color: #fff; }
.yu-step4.done .l { color: var(--ink); }
.yu-step4.active .n { background: var(--ink); border-color: var(--ink); color: #fff; }
.yu-step4.active .l { color: var(--ink); font-weight: 700; }

.yu-step4-foot {
  margin-left: auto;
  display: flex; align-items: center; gap: 8px;
}

/* ===== PAGE HEADER (used in all 3 categories) ===== */
.yu-pghd {
  padding: 22px 36px 18px;
  border-bottom: 1px solid var(--hairline);
  min-height: 48px;
  background: var(--canvas);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.yu-pghd-l {
  display: flex; align-items: center; gap: 18px;
  min-width: 0; flex: 1;
  flex-wrap: wrap;
}
.yu-pghd-l .eye {
  font: 700 11px/1 var(--font); letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--primary); margin: 0;
  white-space: nowrap;
  padding-right: 18px;
  border-right: 1px solid var(--hairline);
  flex-shrink: 0;
}
/* When eyebrow is solo (no sibling), drop divider */
.yu-pghd-l .eye:only-child { border-right: none; padding-right: 0; }
.yu-pghd-l h1 {
  font: 700 26px/1.2 var(--font); letter-spacing: -0.3px; margin: 0;
  flex-shrink: 0;
}
.yu-pghd-l p {
  font: 400 14px/1.4 var(--font); color: var(--body);
  margin: 0;
  min-width: 0; flex: 1;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
/* When p follows h1 (no eyebrow), let h1 own its line */
.yu-pghd-l h1 + p { margin-top: 4px; flex-basis: 100%; white-space: normal; }
.yu-pghd-r { display: flex; align-items: center; gap: 8px; }

/* ===== STEP 1 — YOUR PRODUCT ===== */
.yu-product-grid {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 0;
  border: 1px solid var(--hairline);
  background: var(--canvas);
}
.yu-product-grid > section { padding: 26px 28px; }
.yu-product-grid > section + section { border-left: 1px solid var(--hairline); }

.yu-uploader {
  border: 1.5px dashed var(--hairline-strong);
  background: var(--surface-soft);
  padding: 32px;
  text-align: center;
  cursor: pointer;
}
.yu-uploader:hover { border-color: var(--primary); background: #f5f8fd; }
.yu-uploader .icon { font-size: 28px; color: var(--muted); margin-bottom: 12px; }
.yu-uploader .h { font: 700 14px/1.3 var(--font); margin-bottom: 4px; }
.yu-uploader .s { font: 400 12px/1.4 var(--font); color: var(--muted); }

.yu-uploads {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 8px; margin-top: 14px;
}
.yu-upload {
  aspect-ratio: 1;
  position: relative; overflow: hidden;
  border: 1px solid var(--hairline);
}
.yu-upload .x {
  position: absolute; top: 4px; right: 4px;
  width: 18px; height: 18px;
  background: rgba(0,0,0,0.6); color: #fff;
  display: grid; place-items: center;
  font-size: 12px; cursor: pointer;
}
.yu-upload.u1 { background: linear-gradient(135deg, #d6e2f4, #6b95cd); }
.yu-upload.u1::after {
  content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 50%; height: 70%; background: linear-gradient(180deg, var(--primary), var(--primary-active));
  border-radius: 4px;
}
.yu-upload.u2 { background: linear-gradient(135deg, #efe5d0, #c8b896); }
.yu-upload.u2::after {
  content: ''; position: absolute; inset: 25% 22%;
  background: radial-gradient(circle at 30% 50%, #2a3a4a 0 24%, transparent 25%),
              radial-gradient(circle at 70% 50%, #c8b896 0 22%, transparent 23%);
}
.yu-upload.u3 { background: var(--surface-soft); }
.yu-upload.u3::after {
  content: 'IMG'; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  font: 700 11px/1 var(--font); color: var(--muted-soft); letter-spacing: 1.5px;
}

.yu-product-form { display: flex; flex-direction: column; gap: 16px; }
.yu-form-row label {
  display: block;
  font: 700 10px/1 var(--font); letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--muted); margin-bottom: 6px;
}
.yu-form-row input, .yu-form-row textarea, .yu-form-row select {
  width: 100%;
  border: 1px solid var(--hairline-strong);
  background: var(--canvas);
  font: 300 13px/1.5 var(--font); color: var(--ink);
  padding: 10px 12px;
  border-radius: 0;
}
.yu-form-row textarea { min-height: 80px; resize: vertical; }
.yu-form-row input:focus, .yu-form-row textarea:focus, .yu-form-row select:focus {
  outline: none; border-color: var(--ink);
}

.yu-form-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ===== STEP 2 — REFERENCE (split) ===== */
.yu-ref-split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--hairline);
  background: var(--canvas);
}
.yu-ref-split > section { padding: 22px 24px; }
.yu-ref-split > section + section { border-left: 1px solid var(--hairline); }

.yu-ref-hd {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.yu-ref-hd h3 {
  font: 700 15px/1 var(--font); letter-spacing: 0.2px; margin: 0;
}
.yu-ref-hd .sub {
  font: 400 12px/1.4 var(--font); color: var(--muted);
  margin-top: 4px;
}
.yu-ref-mode {
  display: inline-flex; border: 1px solid var(--hairline-strong);
}
.yu-ref-mode span {
  padding: 6px 12px; font: 500 11px/1 var(--font); letter-spacing: 0.3px;
  cursor: pointer; color: var(--body);
}
.yu-ref-mode span.sel { background: var(--ink); color: #fff; }

.yu-ref-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.yu-ref-card {
  aspect-ratio: 3/4;
  border: 2px solid transparent;
  position: relative; overflow: hidden;
  cursor: pointer;
  background: var(--surface-soft);
}
.yu-ref-card.sel { border-color: var(--primary); }
.yu-ref-card .badge {
  position: absolute; top: 6px; left: 6px;
  background: rgba(0,0,0,0.7); color: #fff;
  padding: 2px 7px; font: 700 9px/1 var(--font);
  letter-spacing: 1px; text-transform: uppercase;
}
.yu-ref-card .ai {
  position: absolute; top: 6px; right: 6px;
  background: var(--primary); color: #fff;
  padding: 2px 7px; font: 700 9px/1 var(--font);
  letter-spacing: 0.8px; text-transform: uppercase;
}
.yu-ref-card .nm {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.95); padding: 6px 8px;
  font: 700 10px/1.2 var(--font); letter-spacing: 0.3px;
}
.yu-ref-card.r1 { background: linear-gradient(135deg, #d6e2f4, #6b95cd); }
.yu-ref-card.r1::after { content: ''; position: absolute; left: 50%; top: 45%; transform: translate(-50%,-50%); width: 30%; height: 55%; background: linear-gradient(180deg, var(--primary), var(--primary-active)); border-radius: 4px; }
.yu-ref-card.r2 { background: var(--ink); }
.yu-ref-card.r2::after { content: ''; position: absolute; left: 50%; top: 45%; transform: translate(-50%,-50%); width: 30%; height: 55%; background: linear-gradient(180deg, #fff, #ddd); border-radius: 4px; }
.yu-ref-card.r3 { background: linear-gradient(135deg, #efe5d0, #c8b896); }
.yu-ref-card.r3::after { content: ''; position: absolute; inset: 30% 25% 18% 25%; background: radial-gradient(circle at 30% 50%, #2a3a4a 0 22%, transparent 22.5%), radial-gradient(circle at 70% 50%, #5a4a3a 0 22%, transparent 22.5%); }
.yu-ref-card.r4 { background: linear-gradient(180deg, #fafafa, #ebebeb); }
.yu-ref-card.r4::after { content: ''; position: absolute; left: 50%; top: 45%; transform: translate(-50%,-50%); width: 28%; height: 55%; background: linear-gradient(180deg, #c8d8e8, #6b95cd); border-radius: 50% 50% 12% 12%; }
.yu-ref-card.r5 { background: linear-gradient(180deg, #f5e6c8, #d8b878); }
.yu-ref-card.r5::after { content: ''; position: absolute; left: 50%; top: 45%; transform: translate(-50%,-50%); width: 28%; height: 55%; background: linear-gradient(180deg, var(--ink), #5a4a3a); border-radius: 4px; }
.yu-ref-card.r6 { background: linear-gradient(180deg, #1a3a5a, #0a1a2a); }
.yu-ref-card.r6::after { content: ''; position: absolute; left: 50%; top: 45%; transform: translate(-50%,-50%); width: 26%; height: 55%; background: linear-gradient(180deg, #4287e0, var(--primary-active)); border-radius: 4px; }

.yu-ai-recco {
  margin-top: 14px; padding: 14px 16px;
  background: var(--surface-soft);
  border-left: 3px solid var(--primary);
  display: flex; align-items: center; gap: 12px;
}
.yu-ai-recco .badge {
  font: 700 10px/1 var(--font); letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--primary);
}
.yu-ai-recco .txt { font: 300 12px/1.5 var(--font); color: var(--body); flex: 1; }

/* ===== STEP 3 — STORYBOARD (single hero image) ===== */
.yu-board-stage {
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: 18px;
}
.yu-board-img {
  aspect-ratio: 16/9;
  background: var(--ink);
  position: relative; overflow: hidden;
  border: 1px solid var(--hairline);
}
.yu-board-img::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(28,105,212,0.4), transparent 55%),
    radial-gradient(ellipse at 70% 70%, rgba(255,255,255,0.08), transparent 60%),
    linear-gradient(135deg, #1a2129, #2a3a4a);
}
.yu-board-img::after {
  content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 22%; height: 70%;
  background: linear-gradient(180deg, var(--primary), var(--primary-active));
  box-shadow: 0 24px 64px -12px rgba(28,105,212,0.6);
  border-radius: 4px;
}
.yu-board-img .caption {
  position: absolute; left: 22px; bottom: 22px; color: #fff; z-index: 2;
}
.yu-board-img .caption .h {
  font: 700 22px/1.2 var(--font); letter-spacing: -0.2px;
  white-space: pre-line; max-width: 320px;
}
.yu-board-img .caption .s {
  font: 700 10px/1 var(--font); letter-spacing: 1.5px; text-transform: uppercase;
  opacity: 0.7; margin-top: 8px;
}
.yu-board-img .gpt-tag {
  position: absolute; top: 14px; left: 14px;
  background: rgba(0,0,0,0.5); color: #fff;
  padding: 4px 10px; font: 700 10px/1 var(--font);
  letter-spacing: 1.2px; text-transform: uppercase;
}

.yu-board-side { display: flex; flex-direction: column; gap: 14px; }
.yu-board-prompt {
  border: 1px solid var(--hairline); padding: 14px;
  background: var(--surface-soft);
}
.yu-board-prompt .lbl {
  font: 700 10px/1 var(--font); letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--muted); margin-bottom: 8px;
}
.yu-board-prompt p { font: 300 12px/1.55 var(--font); color: var(--ink); }

.yu-board-edits {
  border: 1px solid var(--hairline); padding: 14px;
}
.yu-board-edits .lbl {
  font: 700 10px/1 var(--font); letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--muted); margin-bottom: 10px;
}
.yu-edit-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.yu-edit-chip {
  padding: 6px 10px; border: 1px solid var(--hairline-strong);
  font: 500 11px/1 var(--font); cursor: pointer;
  background: var(--canvas);
}
.yu-edit-chip:hover { border-color: var(--ink); }

.yu-board-versions {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px;
  margin-top: 14px;
}
.yu-board-ver {
  aspect-ratio: 16/9;
  border: 2px solid transparent;
  cursor: pointer; position: relative; overflow: hidden;
}
.yu-board-ver.sel { border-color: var(--primary); }
.yu-board-ver.v1 { background: linear-gradient(135deg, #1a2129, #2a3a4a); }
.yu-board-ver.v1::after { content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 20%; height: 60%; background: var(--primary); }
.yu-board-ver.v2 { background: linear-gradient(180deg, #fafafa, #ebebeb); }
.yu-board-ver.v2::after { content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 22%; height: 60%; background: var(--ink); }
.yu-board-ver.v3 { background: linear-gradient(135deg, #efe5d0, #c8b896); }
.yu-board-ver.v3::after { content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 22%; height: 60%; background: var(--primary-active); }
.yu-board-ver.v4 { background: linear-gradient(180deg, #d6e2f4, #6b95cd); }
.yu-board-ver.v4::after { content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 22%; height: 60%; background: #fff; }

/* ===== STEP 4 — VIDEO (two engines) ===== */
.yu-engines {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.yu-engine {
  border: 1.5px solid var(--hairline);
  background: var(--canvas);
  padding: 22px;
  cursor: pointer;
  position: relative;
  display: flex; flex-direction: column; gap: 14px;
}
.yu-engine.sel { border-color: var(--primary); }
.yu-engine .check {
  position: absolute; top: 16px; right: 16px;
  width: 22px; height: 22px;
  border: 1.5px solid var(--hairline-strong);
  display: grid; place-items: center;
  background: var(--canvas);
}
.yu-engine.sel .check {
  background: var(--primary); border-color: var(--primary);
  color: #fff; font: 700 14px/1 var(--font);
}
.yu-engine.sel .check::after { content: '✓'; }

.yu-engine .e-hd { display: flex; align-items: baseline; gap: 10px; }
.yu-engine .e-nm { font: 700 17px/1.1 var(--font); letter-spacing: -0.1px; }
.yu-engine .e-tag {
  font: 700 10px/1 var(--font); letter-spacing: 1px; text-transform: uppercase;
  color: var(--muted); padding: 3px 7px; border: 1px solid var(--hairline-strong);
}
.yu-engine .e-ds { font: 300 13px/1.55 var(--font); color: var(--body); }
.yu-engine-prev {
  aspect-ratio: 16/9; background: var(--surface-soft);
  position: relative; overflow: hidden;
}
.yu-engine-prev.k { background: linear-gradient(135deg, #2a3a4a, #1a2129); }
.yu-engine-prev.k::after {
  content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 22%; height: 65%; background: linear-gradient(180deg, var(--primary), var(--primary-active));
  border-radius: 4px;
}
.yu-engine-prev.s { background: linear-gradient(135deg, #efe5d0, #d4c0a0); }
.yu-engine-prev.s::after {
  content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 22%; height: 65%; background: linear-gradient(180deg, var(--ink), #3a3a3a);
  border-radius: 4px;
}
.yu-engine-prev .play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.95);
  display: grid; place-items: center;
  z-index: 2;
  font-size: 14px;
}

.yu-engine-meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-top: 1px solid var(--hairline);
  padding-top: 12px;
}
.yu-engine-meta div { display: flex; flex-direction: column; }
.yu-engine-meta .k { font: 700 10px/1 var(--font); letter-spacing: 1.5px; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.yu-engine-meta .v { font: 700 13px/1 var(--font); }

.yu-run-bar {
  margin-top: 14px;
  padding: 16px 22px;
  border: 1px solid var(--hairline);
  background: var(--surface-soft);
  display: flex; align-items: center; gap: 14px;
}
.yu-run-bar .info { flex: 1; }
.yu-run-bar .info .h { font: 700 13px/1.2 var(--font); margin-bottom: 4px; }
.yu-run-bar .info .s { font: 300 12px/1.4 var(--font); color: var(--muted); }

/* ===== STEP 4 — SPLIT (picker | progress) ===== */
.yu-s4-split { display: grid; grid-template-columns: 1fr; gap: 14px; align-items: stretch; }
.yu-s4-split.active { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.yu-s4-split > * { min-width: 0; }

/* ===== STEP 4 — COMPACT MODEL PICKER ===== */
.yu-s4mini {
  display: flex; flex-direction: column;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  overflow: hidden;
  align-self: stretch;
}
.yu-s4mini-rows { display: flex; flex-direction: row; flex: none; padding: 8px; gap: 6px; }

/* Sectioned mini-picker (Engine + Aspect ratio) */
.yu-s4mini-section {
  display: flex; flex-direction: column;
  border-bottom: 1px solid var(--hairline);
}
.yu-s4mini-section:last-of-type { border-bottom: 0; }
.yu-s4mini-section .yu-s4mini-rows { padding: 6px; }
.yu-s4mini-shd {
  font: 700 10px/1 var(--font); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted);
  padding: 10px 14px 0;
}

/* Aspect-ratio picker grid */
.yu-s4mini-asp {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 6px 10px 10px;
}
.yu-s4mini-asp-cell {
  appearance: none;
  background: var(--canvas);
  border: 1.5px solid var(--hairline);
  border-radius: 6px;
  padding: 6px 6px 6px;
  cursor: pointer;
  display: flex; flex-direction: row; align-items: center; justify-content: center; gap: 8px;
  transition: border-color .12s ease, background .12s ease;
  font-family: var(--font);
  min-height: 36px;
}
.yu-s4mini-asp-cell:hover { border-color: var(--ink); }
.yu-s4mini-asp-cell.on {
  border-color: var(--ink);
  background: var(--ink);
}
.yu-s4mini-asp-cell .shape {
  display: flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; flex: none;
}
.yu-s4mini-asp-cell .shape > span {
  display: block;
  border: 1.5px solid var(--body);
  border-radius: 2px;
  background: transparent;
  transition: border-color .12s ease, background .12s ease;
}
.yu-s4mini-asp-cell.a9-16 .shape > span  { width: 9px; height: 16px; }
.yu-s4mini-asp-cell.a4-5 .shape > span   { width: 12px; height: 15px; }
.yu-s4mini-asp-cell.a1-1 .shape > span   { width: 14px; height: 14px; }
.yu-s4mini-asp-cell.a16-9 .shape > span  { width: 18px; height: 11px; }
.yu-s4mini-asp-cell.on .shape > span { border-color: #fff; background: rgba(255,255,255,.18); }
.yu-s4mini-asp-cell .k {
  font: 700 12px/1 var(--font); color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.yu-s4mini-asp-cell .l {
  font: 400 10.5px/1 var(--font); color: var(--muted);
}
.yu-s4mini-asp-cell.on .k { color: #fff; }
.yu-s4mini-asp-cell.on .l { color: rgba(255,255,255,.7); }

/* Duration picker (5 / 8 / 10 / 15 sec) */
.yu-s4mini-dur {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 6px 10px 10px;
}
.yu-s4mini-dur-cell {
  appearance: none;
  background: var(--canvas);
  border: 1.5px solid var(--hairline);
  border-radius: 6px;
  padding: 6px 4px;
  cursor: pointer;
  display: flex; flex-direction: row; align-items: baseline; justify-content: center; gap: 3px;
  transition: border-color .12s ease, background .12s ease, color .12s ease;
  font-family: var(--font);
  min-height: 32px;
}
.yu-s4mini-dur-cell:disabled { cursor: not-allowed; opacity: .55; }
.yu-s4mini-dur-cell:not(:disabled):hover { border-color: var(--ink); }
.yu-s4mini-dur-cell.on {
  border-color: var(--ink);
  background: var(--ink);
}
.yu-s4mini-dur-cell .k {
  font: 700 14px/1 var(--font); color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.yu-s4mini-dur-cell .u {
  font: 400 10.5px/1 var(--font); color: var(--muted);
}
.yu-s4mini-dur-cell.on .k { color: #fff; }
.yu-s4mini-dur-cell.on .u { color: rgba(255,255,255,.7); }
.yu-s4mini-ft {
  border-top: 1px solid var(--hairline);
  padding: 12px 16px;
  display: flex; justify-content: flex-end; align-items: center;
  min-height: 56px; box-sizing: border-box;
}
.yu-s4mini-ft:empty::before { content: ''; display: block; height: 32px; }
.yu-s4mini-status { font: 500 12px/1 var(--font); color: var(--muted); }
.yu-s4mini.locked { opacity: .55; pointer-events: none; }
.yu-s4mini-row {
  display: flex; flex-direction: row; align-items: center;
  gap: 8px; padding: 8px 10px; cursor: pointer;
  flex: 1; min-width: 0;
  border: 1.5px solid var(--hairline);
  border-radius: 6px;
  background: var(--canvas);
  transition: background .12s ease, border-color .12s ease;
}
.yu-s4mini-row:hover { border-color: var(--ink); }
.yu-s4mini-row .chk {
  width: 14px; height: 14px; border-radius: 3px;
  border: 1.5px solid var(--hairline); background: var(--canvas);
  flex: none; position: relative;
}
.yu-s4mini-row.on { border-color: var(--ink); background: var(--ink); }
.yu-s4mini-row.on .nm { color: #fff; }
.yu-s4mini-row.on .chk { background: #fff; border-color: #fff; }
.yu-s4mini-row.on .chk::after {
  content: ''; position: absolute; left: 3px; top: 0px;
  width: 4px; height: 7px;
  border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink);
  transform: rotate(45deg);
}
.yu-s4mini-row .nm { font: 700 12.5px/1 var(--font); color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.yu-s4mini-row .ds { display: none; }
/* Narrow split column — drop the long description, keep just name. */
.yu-s4-split.active .yu-s4mini-row { display: flex; }
.yu-s4-split.active .yu-s4mini-row .ds { display: none; }

/* ===== STEP 4 — INLINE PROGRESS ===== */
.yu-s4-progress {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  /* Bottom padding intentionally 10px so the footer button-row sits at
     the same offset from the box edge as the left-box duration cells
     (which have 10px bottom padding) — keeps the two columns'
     bottom-most rows on the same horizontal line across all phases. */
  padding: 18px 20px 10px;
  display: flex; flex-direction: column;
  align-self: stretch;
}
.yu-s4-progress-hd { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; gap: 12px; }
.yu-s4-progress-hd .lf { min-width: 0; }
.yu-s4-progress-hd .ttl { font: 700 13px/1.2 var(--font); color: var(--ink); }
.yu-s4-progress-hd .sub { font: 400 12px/1.4 var(--font); color: var(--muted); margin-top: 4px; }
.yu-s4-progress-hd .pct { font: 700 18px/1 var(--font); color: var(--ink); font-variant-numeric: tabular-nums; flex: none; }
.yu-s4-progress-bar {
  position: relative; height: 6px; border-radius: 999px;
  background: var(--surface-soft); overflow: hidden;
}
.yu-s4-progress-bar > span {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-active));
  transition: width .12s linear;
}
.yu-s4-progress-stages {
  display: flex; flex-direction: column; gap: 7px;
  margin-top: 14px;
  font: 400 12px/1.2 var(--font); color: var(--muted);
}
.yu-s4-progress-stages .st { display: flex; align-items: center; gap: 10px; }
.yu-s4-progress-stages .st .d {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--hairline); flex: none;
}
.yu-s4-progress-stages .st.on { color: var(--ink); font-weight: 500; }
.yu-s4-progress-stages .st.on .d { background: var(--primary); }
.yu-s4-progress-ft {
  display: flex; justify-content: flex-end; align-items: center;
  margin-top: auto; padding-top: 14px; gap: 12px;
  /* Tight to button height — no dead space below the button row, so the
     footer's button bottoms sit at the same 10px offset from the box
     edge as the left-box duration cells. */
  min-height: 32px; box-sizing: border-box;
}
.yu-s4-progress-ft:empty::before { content: ''; display: block; height: 32px; }
/* Idle right-side box: footer holds the primary Render CTA */
.yu-s4-progress.idle .yu-s4-progress-ft {
  justify-content: flex-end;
  padding-top: 0;
  margin-top: auto;
}
.yu-s4-run {
  min-width: 160px; height: 32px;
  /* Primary blue — matches the 선택 영상 확정 confirm button so the
     idle CTA reads as the same family of action. */
  background: var(--primary); color: #fff;
  border: 1px solid var(--primary);
  font: 700 12.5px/1 var(--font);
  border-radius: 6px;
}
.yu-s4-run:not(:disabled):hover { background: oklch(0.55 0.16 252); border-color: oklch(0.55 0.16 252); }
.yu-s4-run:disabled { opacity: .5; cursor: not-allowed; }

/* Done-phase footer buttons: match the left-box cell shape & size */
.yu-s4-run-secondary {
  height: 32px; min-width: 90px;
  background: var(--canvas); color: var(--ink);
  border: 1px solid var(--hairline);
  font: 700 12.5px/1 var(--font);
  border-radius: 6px;
}
.yu-s4-run-secondary:not(:disabled):hover { border-color: var(--ink); }
.yu-s4-run-confirm {
  height: 32px; min-width: 140px;
  background: var(--primary); color: #fff;
  border: 1px solid var(--primary);
  font: 700 12.5px/1 var(--font);
  border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
}
.yu-s4-run-confirm .arr { font-weight: 600; }
.yu-s4-run-confirm:not(:disabled):hover { background: oklch(0.55 0.16 252); border-color: oklch(0.55 0.16 252); }
.yu-s4-run-confirm:disabled { opacity: .45; cursor: not-allowed; }
.yu-s4-progress.idle { background: var(--surface-soft); border-style: dashed; }
.yu-s4-progress.idle .ttl { color: var(--muted); }
.yu-s4-progress.idle .yu-s4-progress-bar { opacity: .4; }
.yu-s4-progress.idle .yu-s4-progress-stages { opacity: .55; }
.yu-s4-progress.complete .pct { color: var(--primary); }
.yu-s4-progress-ft .hint { font: 300 12px/1.4 var(--font); color: var(--muted); }

/* ===== STEP 4 — RESULT GALLERY ===== */
/* ===== STEP 4 — RESULT GALLERY (no wrapper box, clean) ===== */
.yu-s4-results-bare {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; margin-top: 18px; margin-bottom: 12px;
}
.yu-s4-results-bare .lf { min-width: 0; }
.yu-s4-results-bare .ttl { font: 700 14px/1.2 var(--font); color: var(--ink); margin-bottom: 4px; }
.yu-s4-results-bare .sub { font: 300 12px/1.4 var(--font); color: var(--muted); }
.yu-s4-results-meta { display: flex; gap: 6px; flex: none; flex-wrap: wrap; justify-content: flex-end; }
.yu-s4-results-meta .chip {
  font: 600 11px/1 var(--font); letter-spacing: 0.01em;
  color: var(--body); background: var(--surface-soft);
  border: 1px solid var(--hairline);
  padding: 5px 8px; border-radius: 4px;
  font-variant-numeric: tabular-nums;
}

/* Masonry gallery: borderless cards, hover→preview, click→lightbox */
.yu-s4-gallery {
  column-gap: 14px;
  column-width: 180px;
}

/* Each tile = clean frame + caption with action buttons. No outer border. */
.yu-s4-tile {
  display: block;
  break-inside: avoid;
  margin-bottom: 16px;
  background: transparent;
  border: 0;
  overflow: visible;
}

/* Aspect-shaped thumbnail frame */
.yu-s4-tile-frame {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--surface-soft);
  border-radius: 6px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.yu-s4-tile-frame:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, .12);
}
.yu-s4-tile.picked .yu-s4-tile-frame {
  box-shadow: 0 0 0 2px var(--ink), 0 8px 22px rgba(15, 23, 42, .14);
}
.yu-s4-tile.a9-16 .yu-s4-tile-frame { aspect-ratio: 9 / 16; }
.yu-s4-tile.a4-5  .yu-s4-tile-frame { aspect-ratio: 4 / 5; }
.yu-s4-tile.a1-1  .yu-s4-tile-frame { aspect-ratio: 1 / 1; }
.yu-s4-tile.a16-9 .yu-s4-tile-frame { aspect-ratio: 16 / 9; }

.yu-s4-tile-bg { position: absolute; inset: 0; transition: transform 4s ease-out; }
.yu-s4-tile.s .yu-s4-tile-bg {
  background:
    radial-gradient(120% 80% at 30% 20%, rgba(255,255,255,.55), transparent 60%),
    linear-gradient(135deg, #efe5d0 0%, #d8c39a 50%, #b89a6a 100%);
}
.yu-s4-tile.k .yu-s4-tile-bg {
  background:
    radial-gradient(120% 80% at 30% 20%, rgba(255,255,255,.18), transparent 55%),
    linear-gradient(135deg, #34465a 0%, #1d2733 70%, #0f1620 100%);
}
/* Hover "autoplay": gentle ken-burns on the gradient + animated sheen */
.yu-s4-tile-frame:hover .yu-s4-tile-bg { transform: scale(1.06) translate(-1%, -1%); }
.yu-s4-tile-pulse {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(115deg, transparent 38%, rgba(255,255,255,.18) 50%, transparent 62%);
  background-size: 220% 100%; background-position: 100% 0;
  opacity: 0;
  transition: opacity .15s ease;
}
.yu-s4-tile-frame:hover .yu-s4-tile-pulse {
  opacity: 1;
  animation: yu-s4-sheen 2.4s linear infinite;
}
@keyframes yu-s4-sheen {
  0%   { background-position: 100% 0; }
  100% { background-position: -120% 0; }
}

/* Tiny play hint, hover-only */
.yu-s4-tile-play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) scale(.92);
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.92);
  color: var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; padding-left: 2px;
  box-shadow: 0 4px 12px rgba(0,0,0,.18);
  opacity: 0;
  transition: transform .18s ease, opacity .15s ease;
}
.yu-s4-tile-frame:hover .yu-s4-tile-play { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* Regenerating overlay */
.yu-s4-tile-regen {
  position: absolute; inset: 0;
  background: rgba(15, 23, 42, .55);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 8px;
  color: #fff; font: 600 11px/1.2 var(--font);
  backdrop-filter: blur(2px);
}
.yu-s4-tile-regen .spin {
  width: 22px; height: 22px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.35);
  border-top-color: #fff;
  animation: yu-s4-spin .8s linear infinite;
}
@keyframes yu-s4-spin { to { transform: rotate(360deg); } }

/* Action row under each frame: Select / Regenerate / Delete */
.yu-s4-tile-actions {
  display: flex; gap: 6px;
  margin-top: 8px;
}
.yu-s4-tile-btn {
  appearance: none;
  font: 600 11px/1 var(--font);
  border-radius: 5px;
  border: 1px solid var(--hairline);
  background: var(--canvas);
  color: var(--ink);
  padding: 0 10px;
  height: 28px;
  display: inline-flex; align-items: center; justify-content: center; gap: 4px;
  cursor: pointer;
  transition: background .12s ease, border-color .12s ease, color .12s ease;
}
.yu-s4-tile-btn:not(:disabled):hover { border-color: var(--ink); }
.yu-s4-tile-btn:disabled { cursor: not-allowed; opacity: .55; }
.yu-s4-tile-btn.primary {
  flex: 1; min-width: 0;
  background: var(--ink); color: #fff; border-color: var(--ink);
}
.yu-s4-tile-btn.primary:not(:disabled):hover { background: #000; }
.yu-s4-tile-btn.primary.picked {
  background: var(--canvas); color: var(--ink);
}
.yu-s4-tile-btn.primary.picked .ck { color: var(--primary); font-weight: 800; }
.yu-s4-tile-btn.ghost {
  width: 28px; padding: 0; flex: none;
  color: var(--body);
}
.yu-s4-tile-btn.ghost.danger:not(:disabled):hover { color: #c0392b; border-color: #c0392b; }

/* ===== Lightbox ===== */
.yu-s4-lb {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(15, 23, 42, .72);
  display: flex; align-items: center; justify-content: center;
  padding: 32px;
  animation: yu-s4-lb-fade .15s ease-out;
}
@keyframes yu-s4-lb-fade { from { opacity: 0; } to { opacity: 1; } }
.yu-s4-lb-card {
  position: relative;
  background: var(--canvas);
  border-radius: 12px;
  display: grid; grid-template-columns: minmax(0, 1fr) 320px;
  width: min(1100px, 100%);
  max-height: calc(100vh - 64px);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .35);
}
.yu-s4-lb-close {
  position: absolute; right: 12px; top: 12px; z-index: 2;
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(15, 23, 42, .55); color: #fff;
  border: 0; cursor: pointer;
  font: 600 14px/1 var(--font);
  display: flex; align-items: center; justify-content: center;
  transition: background .12s ease;
}
.yu-s4-lb-close:hover { background: rgba(15, 23, 42, .85); }

.yu-s4-lb-stage {
  position: relative;
  background: #0a0e14;
  display: flex; align-items: center; justify-content: center;
  min-height: 420px;
  overflow: hidden;
}
.yu-s4-lb-stage .yu-s4-tile-bg {
  position: absolute; inset: 0;
}
.yu-s4-lb-stage.s .yu-s4-tile-bg {
  background:
    radial-gradient(120% 80% at 30% 20%, rgba(255,255,255,.55), transparent 60%),
    linear-gradient(135deg, #efe5d0 0%, #d8c39a 50%, #b89a6a 100%);
}
.yu-s4-lb-stage.k .yu-s4-tile-bg {
  background:
    radial-gradient(120% 80% at 30% 20%, rgba(255,255,255,.18), transparent 55%),
    linear-gradient(135deg, #34465a 0%, #1d2733 70%, #0f1620 100%);
}
.yu-s4-lb-controls {
  position: absolute; left: 16px; right: 16px; bottom: 16px;
  display: flex; align-items: center; gap: 12px;
  background: rgba(0, 0, 0, .55);
  padding: 8px 12px; border-radius: 6px;
  color: #fff;
  backdrop-filter: blur(6px);
}
.yu-s4-lb-controls .ply {
  width: 28px; height: 28px; border-radius: 50%;
  background: #fff; color: var(--ink);
  border: 0; cursor: pointer;
  font-size: 11px; padding-left: 1px;
  display: flex; align-items: center; justify-content: center;
  flex: none;
}
.yu-s4-lb-controls .seek {
  flex: 1; height: 3px; background: rgba(255,255,255,.25); border-radius: 2px; overflow: hidden;
}
.yu-s4-lb-controls .seek > span { display: block; height: 100%; background: #fff; }
.yu-s4-lb-controls .t { font: 600 11px/1 var(--font); font-variant-numeric: tabular-nums; flex: none; }

.yu-s4-lb-side {
  display: flex; flex-direction: column;
  border-left: 1px solid var(--hairline);
  overflow-y: auto;
}
.yu-s4-lb-hd {
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--hairline);
}
.yu-s4-lb-hd .nm { font: 700 14px/1.2 var(--font); color: var(--ink); margin-bottom: 4px; }
.yu-s4-lb-hd .meta {
  display: flex; align-items: center; gap: 5px;
  font: 400 11px/1.2 var(--font); color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.yu-s4-lb-hd .meta .d { opacity: .5; }

.yu-s4-lb-actions { padding: 14px 18px 6px; display: flex; flex-direction: column; gap: 8px; }

.yu-s4-lb-tools {
  padding: 8px 12px 14px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px;
  border-bottom: 1px solid var(--hairline);
}
.yu-s4-lb-tools .tool {
  appearance: none; background: transparent; border: 0; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 8px 4px; border-radius: 6px;
  font: 500 10.5px/1 var(--font); color: var(--body);
  transition: background .12s ease, color .12s ease;
}
.yu-s4-lb-tools .tool .i { font-size: 14px; line-height: 1; }
.yu-s4-lb-tools .tool:hover { background: var(--surface-soft); color: var(--ink); }
.yu-s4-lb-tools .tool.danger:hover { color: #c0392b; }

.yu-s4-lb-info { padding: 14px 18px 18px; display: flex; flex-direction: column; gap: 6px; }
.yu-s4-lb-info .row {
  display: flex; align-items: center; justify-content: space-between;
  font: 400 11.5px/1.4 var(--font);
}
.yu-s4-lb-info .row .k { color: var(--muted); }
.yu-s4-lb-info .row .v { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }

@media (max-width: 760px) {
  .yu-s4-lb-card { grid-template-columns: 1fr; max-height: calc(100vh - 32px); }
  .yu-s4-lb-side { border-left: 0; border-top: 1px solid var(--hairline); }
}

/* ===== STEP 5 — REVIEW & CONFIRM ===== */
.yu-s5 {
  display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 18px;
  align-items: start;
}
.yu-s5-l, .yu-s5-r { display: flex; flex-direction: column; gap: 14px; }

.yu-s5-card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 18px 20px;
}
.yu-s5-card-hd {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.yu-s5-card-hd .ttl {
  font: 700 14px/1 var(--font); letter-spacing: -0.1px;
}
.yu-s5-edit {
  font: 500 12px/1 var(--font); color: var(--muted);
  background: transparent; border: 0; cursor: pointer;
  text-decoration: underline;
}

.yu-s5-vtabs { display: flex; gap: 6px; }
.yu-s5-vtab {
  display: inline-flex; align-items: center; gap: 6px;
  height: 28px; padding: 0 12px;
  font: 500 11px/1 var(--font); letter-spacing: 0.3px;
  background: var(--surface-soft, #faf8f3);
  border: 1px solid var(--hairline);
  color: var(--muted);
  border-radius: 999px;
  cursor: pointer;
}
.yu-s5-vtab.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.yu-s5-vtab .badge {
  font: 700 9px/1 var(--font); letter-spacing: 0.5px;
  padding: 3px 5px; border-radius: 3px;
  background: var(--primary); color: #fff;
}
.yu-s5-vtab.on .badge { background: rgba(255,255,255,0.2); }

.yu-s5-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 6px;
  overflow: hidden;
  background: linear-gradient(135deg, #1a2129 0%, #0e1419 100%);
}
.yu-s5-stage.k { background: linear-gradient(135deg, #1c69d4 0%, #0653b6 60%, #0a1838 100%); }
.yu-s5-stage.s { background: linear-gradient(135deg, #d8b878 0%, #b8985e 60%, #5a4a3a 100%); }
.yu-s5-mock {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.yu-s5-mock .play {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  display: grid; place-items: center;
  font-size: 22px; color: #111;
  padding-left: 4px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.3);
}
.yu-s5-split-storyboard {
  position: absolute; inset: 0; right: 50%;
  background: repeating-linear-gradient(135deg, #2a2a2a 0 18px, #1f1f1f 18px 36px);
}
.yu-s5-split-divider {
  position: absolute; top: 0; bottom: 0; left: 50%;
  width: 2px; background: #fff; transform: translateX(-50%);
  z-index: 2;
}
.yu-s5-split-label {
  position: absolute; top: 12px;
  font: 700 10px/1 var(--font); letter-spacing: 1px; text-transform: uppercase;
  background: rgba(0,0,0,0.6); color: #fff;
  padding: 6px 10px; border-radius: 3px;
  z-index: 3;
}
.yu-s5-split-label.l { left: 12px; }
.yu-s5-split-label.r { right: 12px; }

.yu-s5-pv-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px;
  margin-top: 14px; padding-top: 14px;
  border-top: 1px solid var(--hairline);
  flex-wrap: wrap;
}
.yu-s5-meta { display: flex; gap: 18px; flex-wrap: wrap; }
.yu-s5-meta span { font: 400 12px/1 var(--font); }
.yu-s5-meta .k { color: var(--muted); margin-right: 4px; }
.yu-s5-meta .v { font-weight: 700; color: var(--ink); }

.yu-s5-summary { display: flex; flex-direction: column; gap: 10px; }
.yu-s5-summary .row {
  display: grid; grid-template-columns: 110px 1fr; gap: 12px;
  align-items: center;
  font: 400 13px/1.4 var(--font);
}
.yu-s5-summary .k { color: var(--muted); font-size: 12px; }
.yu-s5-summary .v { color: var(--ink); display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.yu-s5-summary .v .chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 9px; font: 500 11px/1 var(--font);
  background: var(--surface-soft, #faf8f3);
  border: 1px solid var(--hairline); border-radius: 4px;
}
.yu-s5-summary .v .chip.dna { background: #fff; }
.yu-s5-summary .v .chip .sw { width: 10px; height: 10px; border-radius: 2px; border: 1px solid rgba(0,0,0,0.1); }

.yu-s5-status {
  font: 700 10px/1 var(--font); letter-spacing: 0.5px; text-transform: uppercase;
  padding: 5px 8px; border-radius: 3px;
}
.yu-s5-status.pass { background: #d4edda; color: #155724; }
.yu-s5-status.warn { background: #fff3cd; color: #856404; }
.yu-s5-status.fail { background: #f8d7da; color: #721c24; }

.yu-s5-checks { display: flex; flex-direction: column; gap: 8px; }
.yu-s5-checks .row { display: flex; gap: 10px; align-items: flex-start; font: 400 12px/1.5 var(--font); }
.yu-s5-checks .icn {
  flex: none;
  width: 18px; height: 18px; border-radius: 50%;
  display: grid; place-items: center;
  font: 700 11px/1 var(--font);
  margin-top: 1px;
}
.yu-s5-checks .icn.pass { background: #d4edda; color: #155724; }
.yu-s5-checks .icn.warn { background: #fff3cd; color: #856404; }

.yu-s5-field { margin-bottom: 14px; }
.yu-s5-field:last-child { margin-bottom: 0; }
.yu-s5-field .lbl {
  font: 700 10px/1 var(--font); letter-spacing: 1px; text-transform: uppercase;
  color: var(--muted); margin-bottom: 8px;
}
.yu-s5-field textarea.yu-input { resize: vertical; font-family: var(--font); padding: 10px 12px; font-size: 12px; }
.yu-s5-field select.yu-input, .yu-s5-field input.yu-input { font-size: 12px; }

.yu-s5-chans { display: flex; flex-direction: column; gap: 6px; }
.yu-s5-chan {
  display: flex; align-items: center; gap: 10px;
  height: 36px; padding: 0 12px;
  background: var(--surface-soft, #faf8f3);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  cursor: pointer;
  font: 500 12px/1 var(--font);
}
.yu-s5-chan input { margin: 0; }
.yu-s5-chan .dot { width: 10px; height: 10px; border-radius: 50%; }
.yu-s5-chan.on { background: #fff; border-color: var(--ink); }

.yu-s5-asp { display: flex; flex-direction: column; gap: 6px; }
.yu-s5-asp-row {
  display: grid;
  grid-template-columns: 18px 28px 50px 1fr;
  gap: 10px; align-items: center;
  height: 36px; padding: 0 12px;
  background: var(--surface-soft, #faf8f3);
  border: 1px solid var(--hairline); border-radius: 4px;
  cursor: pointer;
  font: 400 12px/1 var(--font);
}
.yu-s5-asp-row.on { background: #fff; border-color: var(--ink); }
.yu-s5-asp-row .box { background: var(--muted-soft, #c9c4ba); border-radius: 1px; }
.yu-s5-asp-row .box.a9-16 { width: 12px; height: 20px; }
.yu-s5-asp-row .box.a1-1  { width: 18px; height: 18px; }
.yu-s5-asp-row .box.a16-9 { width: 24px; height: 14px; }
.yu-s5-asp-row.on .box { background: var(--ink); }
.yu-s5-asp-row .rk { font: 700 11px/1 var(--font); }
.yu-s5-asp-row .rl { color: var(--muted); }

.yu-s5-sched { display: flex; gap: 0; border: 1px solid var(--hairline); border-radius: 4px; overflow: hidden; }
.yu-s5-sched-tab {
  flex: 1;
  height: 34px;
  font: 500 12px/1 var(--font);
  background: var(--surface-soft, #faf8f3);
  border: 0;
  cursor: pointer;
  color: var(--muted);
}
.yu-s5-sched-tab + .yu-s5-sched-tab { border-left: 1px solid var(--hairline); }
.yu-s5-sched-tab.on { background: var(--ink); color: #fff; }

@media (max-width: 1240px) {
  .yu-s5 { grid-template-columns: 1fr; }
}

/* ===== BRAND DNA PAGE ===== */
.yu-dna-layout {
  display: block;
  height: 100%;
}
.yu-dna-filter {
  border-right: 1px solid var(--hairline);
  padding: 26px 22px;
  background: var(--canvas);
}
.yu-dna-filter h4 {
  font: 700 10px/1 var(--font); letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--muted); margin: 0 0 14px;
}
.yu-dna-filter h4 + h4 { margin-top: 28px; }
.yu-dna-source {
  display: flex; flex-direction: column;
}
.yu-dna-src {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 0;
  font: 500 13px/1 var(--font); cursor: pointer;
  border-bottom: 1px solid var(--hairline);
}
.yu-dna-src:last-child { border-bottom: 0; }
.yu-dna-src.active { color: var(--ink); font-weight: 700; }
.yu-dna-src .c { font: 700 11px/1 var(--font); color: var(--muted); letter-spacing: 0.5px; }

.yu-dna-tags { display: flex; flex-direction: column; gap: 6px; }
.yu-dna-tag {
  display: flex; align-items: center; gap: 8px;
  font: 400 12px/1 var(--font); color: var(--body);
  padding: 4px 0;
  cursor: pointer;
}
.yu-dna-tag .sw { width: 10px; height: 10px; border: 1px solid rgba(0,0,0,0.1); }

.yu-dna-main {
  padding: 26px 32px 60px;
  overflow-y: auto;
  background: var(--surface-soft);
}
.yu-dna-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.yu-dna-toolbar .left { display: flex; align-items: center; gap: 14px; }
.yu-dna-toolbar h2 { font: 700 22px/1 var(--font); margin: 0; letter-spacing: -0.2px; }
.yu-dna-toolbar .count {
  font: 500 12px/1 var(--font); color: var(--muted); letter-spacing: 0.3px;
}

.yu-dna-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.yu-kit-card {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  display: flex; flex-direction: column;
  cursor: pointer;
  transition: border-color .12s, transform .12s;
  position: relative;
}
.yu-kit-card:hover { border-color: var(--ink); }
.yu-kit-card .fav {
  position: absolute; top: 10px; right: 10px;
  width: 24px; height: 24px;
  background: rgba(255,255,255,0.95);
  display: grid; place-items: center;
  cursor: pointer;
  z-index: 2;
  color: var(--muted-soft);
}
.yu-kit-card .fav.on { color: #f59e0b; }
.yu-kit-thumb {
  aspect-ratio: 4/3;
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--hairline);
}
.yu-kit-thumb .src {
  position: absolute; top: 10px; left: 10px;
  background: rgba(0,0,0,0.7); color: #fff;
  padding: 3px 8px; font: 700 9px/1 var(--font);
  letter-spacing: 1px; text-transform: uppercase;
}
.yu-kit-thumb.k1 { background: linear-gradient(135deg, #d6e2f4, #1c69d4); }
.yu-kit-thumb.k1::after { content: 'Y'; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); color: #fff; font: 700 64px/1 var(--font); letter-spacing: -2px; }
.yu-kit-thumb.k2 { background: var(--ink); }
.yu-kit-thumb.k2::after { content: 'YUYU'; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); color: #fff; font: 700 22px/1 var(--font); letter-spacing: 4px; }
.yu-kit-thumb.k3 { background: linear-gradient(135deg, #f5e6c8, #d8b878); }
.yu-kit-thumb.k3::after { content: ''; position: absolute; inset: 25% 30%; background: linear-gradient(180deg, var(--primary-active), var(--primary)); border-radius: 4px; }
.yu-kit-thumb.k4 { background: linear-gradient(180deg, #ffe9c8, #ffb878); }
.yu-kit-thumb.k4::after { content: '○'; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); color: var(--ink); font: 300 80px/1 var(--font); }
.yu-kit-thumb.k5 { background: linear-gradient(135deg, #2a4a3a, #1a2920); }
.yu-kit-thumb.k5::after { content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 50%; height: 4px; background: #c8e6d0; }
.yu-kit-thumb.k6 { background: linear-gradient(180deg, #fafafa, #ebebeb); }
.yu-kit-thumb.k6::after { content: 'Aa'; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); color: var(--ink); font: 700 64px/1 'Inter', serif; letter-spacing: -3px; }
.yu-kit-thumb.k7 { background: linear-gradient(135deg, #efe5d0, #c8b896); }
.yu-kit-thumb.k7::after { content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 30%; height: 60%; background: var(--ink); border-radius: 4px; }
.yu-kit-thumb.k8 { background: linear-gradient(180deg, #d6e2f4, #6b95cd); }
.yu-kit-thumb.k8::after { content: ''; position: absolute; inset: 30% 30%; background: #fff; border-radius: 50%; }

.yu-kit-info {
  padding: 14px;
}
.yu-kit-name { font: 700 13px/1.2 var(--font); margin-bottom: 6px; }
.yu-kit-meta {
  font: 500 11px/1.4 var(--font); color: var(--muted); letter-spacing: 0.2px;
  margin-bottom: 10px;
}
.yu-kit-pal {
  display: flex; gap: 0; margin-bottom: 10px;
}
.yu-kit-pal .sw { width: 22px; height: 22px; border: 1px solid rgba(0,0,0,0.05); }
.yu-kit-stats {
  display: flex; align-items: center; gap: 14px;
  padding-top: 10px; border-top: 1px solid var(--hairline);
  font: 500 10px/1 var(--font); color: var(--muted); letter-spacing: 0.5px;
}
.yu-kit-stats .v { color: var(--ink); font-weight: 700; }

/* ===== SOCIAL MEDIA PAGE ===== */
.yu-social-layout {
  display: grid; grid-template-columns: 1fr 340px;
  gap: 0; height: 100%;
}
.yu-social-main {
  padding: 26px 32px 60px;
  overflow-y: auto;
  background: var(--canvas);
}
.yu-social-side {
  border-left: 1px solid var(--hairline);
  background: var(--surface-soft);
  padding: 26px 22px 60px;
  overflow-y: auto;
}

.yu-social-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.yu-social-toolbar h2 { font: 700 22px/1 var(--font); margin: 0; letter-spacing: -0.2px; }
.yu-filter-pills {
  display: flex; gap: 4px;
}
.yu-filter-pill {
  padding: 7px 14px;
  font: 500 11px/1 var(--font); letter-spacing: 0.3px;
  border: 1px solid var(--hairline-strong);
  background: var(--canvas); cursor: pointer;
}
.yu-filter-pill.sel { background: var(--ink); color: #fff; border-color: var(--ink); }

.yu-vid-grid {
  /* Masonry columns — mixed-aspect tiles pack like the S4 result gallery. */
  column-gap: 14px;
  column-width: 170px;
}
.yu-vid-card {
  display: block;
  break-inside: avoid;
  margin: 0 0 18px;
  background: transparent;
  display: flex; flex-direction: column;
  cursor: pointer; position: relative;
}
.yu-vid-card:hover .yu-vid-thumb { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(15,23,42,.12); }
.yu-vid-thumb {
  position: relative; overflow: hidden;
  border-radius: 10px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
/* Aspect-ratio variants — same vocabulary as S4 tiles. */
.yu-vid-thumb.a9-16 { aspect-ratio: 9 / 16; }
.yu-vid-thumb.a4-5  { aspect-ratio: 4 / 5; }
.yu-vid-thumb.a1-1  { aspect-ratio: 1 / 1; }
.yu-vid-thumb.a16-9 { aspect-ratio: 16 / 9; }
.yu-vid-thumb:not([class*="a9-16"]):not([class*="a4-5"]):not([class*="a1-1"]):not([class*="a16-9"]) { aspect-ratio: 9 / 16; }
/* Hover-only play hint. */
.yu-vid-play {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%) scale(.92);
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.92); color: var(--ink);
  display: grid; place-items: center;
  font-size: 13px; padding-left: 2px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.22);
  opacity: 0; pointer-events: none;
  transition: opacity .15s ease, transform .18s ease;
}
.yu-vid-thumb:hover .yu-vid-play { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.yu-vid-thumb .ovr {
  position: absolute; inset: 0; padding: 8px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.yu-vid-thumb .top {
  display: flex; gap: 4px;
}
.yu-vid-thumb .pill {
  background: rgba(0,0,0,0.6); color: #fff;
  padding: 2px 7px; font: 700 9px/1 var(--font);
  letter-spacing: 0.5px;
}
.yu-vid-thumb .pill.posted { background: var(--success); }
.yu-vid-thumb .pill.draft { background: var(--warning); }
.yu-vid-thumb .pill.scheduled { background: var(--primary); }
.yu-vid-thumb .dur {
  align-self: flex-end;
  background: rgba(0,0,0,0.6); color: #fff;
  padding: 2px 7px; font: 700 9px/1 var(--font); letter-spacing: 0.5px;
}
.yu-vid-thumb.t1 { background: linear-gradient(180deg, var(--primary), var(--primary-active)); }
.yu-vid-thumb.t1::after { content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 36%; height: 60%; background: linear-gradient(180deg, #fff, #ddd); border-radius: 4px; opacity: 0.85; }
.yu-vid-thumb.t2 { background: linear-gradient(180deg, #efe5d0, #c8b896); }
.yu-vid-thumb.t2::after { content: ''; position: absolute; inset: 25% 22%; background: radial-gradient(circle at 30% 50%, #2a3a4a 0 24%, transparent 25%), radial-gradient(circle at 70% 50%, var(--primary) 0 22%, transparent 23%); }
.yu-vid-thumb.t3 { background: var(--ink); }
.yu-vid-thumb.t3::after { content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 36%; height: 60%; background: linear-gradient(180deg, var(--primary), var(--primary-active)); }
.yu-vid-thumb.t4 { background: linear-gradient(180deg, #d6e2f4, #6b95cd); }
.yu-vid-thumb.t4::after { content: ''; position: absolute; left: 50%; top: 55%; transform: translate(-50%,-50%); width: 22%; height: 60%; background: linear-gradient(180deg, var(--ink), #3a3a3a); border-radius: 4px; }
.yu-vid-thumb.t5 { background: linear-gradient(135deg, #ffe9c8, #ffb878); }
.yu-vid-thumb.t5::after { content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 30%; height: 60%; background: linear-gradient(180deg, var(--primary-active), var(--primary)); border-radius: 4px; }
.yu-vid-thumb.t6 { background: linear-gradient(180deg, #f5e6c8, #d8b878); }
.yu-vid-thumb.t6::after { content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 28%; height: 60%; background: var(--ink); border-radius: 4px; }
.yu-vid-thumb.t7 { background: linear-gradient(135deg, #2a4a3a, #1a2920); }
.yu-vid-thumb.t7::after { content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 28%; height: 60%; background: linear-gradient(180deg, #c8e6d0, #6ba888); border-radius: 4px; }
.yu-vid-thumb.t8 { background: linear-gradient(180deg, #1a3a5a, #0a1a2a); }
.yu-vid-thumb.t8::after { content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 28%; height: 60%; background: linear-gradient(180deg, #4287e0, var(--primary-active)); border-radius: 4px; }

.yu-vid-info {
  padding: 10px; border-top: 1px solid var(--hairline);
  display: flex; flex-direction: column; gap: 6px;
}
.yu-vid-info { padding: 10px 2px 0; gap: 6px; }
.yu-vid-info .yu-vid-status {
  display: inline-flex; align-self: flex-start;
  font: 700 10px/1 var(--font); letter-spacing: 0.4px;
  padding: 4px 8px; color: #fff; border-radius: 4px;
  text-transform: uppercase;
}
.yu-vid-info .yu-vid-status.posted    { background: #1ca555; }
.yu-vid-info .yu-vid-status.scheduled { background: var(--primary); }
.yu-vid-info .yu-vid-status.draft     { background: #d97706; }
.yu-vid-info .nm { font: 700 13px/1.3 var(--font); color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.yu-vid-info .meta {
  display: flex; align-items: center; justify-content: space-between;
  font: 500 11px/1 var(--font); color: var(--muted); letter-spacing: 0.2px;
}
.yu-vid-info .channels { display: flex; gap: 3px; }
.yu-vid-info .ch-badge {
  width: 16px; height: 16px;
  display: grid; place-items: center;
  font: 700 8px/1 var(--font); color: #fff;
}
.yu-vid-info .ch-badge.ig { background: linear-gradient(135deg,#f09433,#dc2743,#bc1888); }
.yu-vid-info .ch-badge.yt { background: #ff0000; }
.yu-vid-info .ch-badge.tt { background: #000; }
.yu-vid-info .ch-badge.fb { background: #1877f2; }
.yu-vid-info .ch-badge.nb { background: #03c75a; }

/* Brand DNA — source pills (replaces left filter sidebar) */
.yu-dna-pills { display: flex; gap: 6px; flex: 1; justify-content: flex-start; flex-wrap: wrap; }
.yu-dna-pill {
  display: inline-flex; align-items: center; gap: 6px;
  height: 34px; padding: 0 14px;
  font: 600 12px/1 var(--font); color: var(--ink);
  background: var(--surface); border: 1px solid var(--hairline);
  border-radius: 999px; cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.yu-dna-pill:hover { background: var(--surface-soft); }
.yu-dna-pill .c {
  font: 700 11px/1 var(--font); color: var(--muted);
  padding: 2px 6px; background: var(--surface-soft);
  border-radius: 999px; min-width: 18px; text-align: center;
}
.yu-dna-pill.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.yu-dna-pill.active .c { background: rgba(255,255,255,.18); color: #fff; }

/* ===== Packshot Reference — clean masonry (image-grid only) ===== */
.yu-pkref-masonry {
  flex: 1;
  min-width: 0;
  width: 100%;
  column-count: 5;
  column-gap: 6px;
  padding: 8px 8px 24px;
}
@media (max-width: 1400px) { .yu-pkref-masonry { column-count: 4; } }
@media (max-width: 1100px) { .yu-pkref-masonry { column-count: 3; } }
@media (max-width: 760px)  { .yu-pkref-masonry { column-count: 2; } }
.yu-pkref-mcard {
  position: relative;
  break-inside: avoid;
  margin-bottom: 6px;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  transition: transform .15s ease;
}
.yu-pkref-mcard:hover { transform: scale(1.005); }
.yu-pkref-mcard.sel { outline: 2px solid var(--primary); outline-offset: -2px; }
.yu-pkref-mcard .yu-pkref-thumb {
  width: 100%;
  border-radius: 4px;
  margin: 0;
}
.yu-pkref-mcard .fav {
  position: absolute; top: 8px; right: 8px;
  width: 30px; height: 30px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; line-height: 1;
  color: #fff;
  background: rgba(20,20,28,.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  cursor: pointer;
  transition: background .15s ease, color .15s ease, transform .15s ease;
  z-index: 2;
  opacity: 0;
}
.yu-pkref-mcard:hover .fav,
.yu-pkref-mcard .fav.on { opacity: 1; }
.yu-pkref-mcard .fav:hover { background: rgba(20,20,28,.7); transform: scale(1.08); }
.yu-pkref-mcard .fav.on { color: #f0b429; background: rgba(20,20,28,.7); }
.yu-pkref-mcard .yu-pkref-ai {
  position: absolute; top: 8px; left: 8px;
  padding: 3px 7px; font: 700 9px/1 var(--font); letter-spacing: .8px;
  color: var(--primary); background: #fff;
  border: 1px solid var(--hairline); border-radius: 4px;
  z-index: 2;
}
/* narrower variant inside the Reference step */
.yu-pkref-masonry--step { column-count: 4; column-gap: 8px; padding: 0; }
.yu-pkref-masonry--step .yu-pkref-mcard { margin-bottom: 8px; }
@media (max-width: 1400px) { .yu-pkref-masonry--step { column-count: 3; } }
@media (max-width: 1100px) { .yu-pkref-masonry--step { column-count: 2; } }

/* ===== Coming Soon page (Social Media placeholder) ===== */
.yu-coming-tag {
  display: inline-flex; align-items: center;
  margin-left: 12px; padding: 4px 9px;
  font: 700 10px/1 var(--font); letter-spacing: 1.2px;
  color: var(--muted); background: var(--surface-soft);
  border: 1px solid var(--hairline); border-radius: 999px;
  text-transform: uppercase;
  vertical-align: middle;
}
.yu-cat-tag {
  display: inline-flex; align-items: center;
  margin-left: 8px; padding: 2px 7px;
  font: 700 9px/1 var(--font); letter-spacing: 1px;
  color: var(--muted); background: var(--surface-soft);
  border: 1px solid var(--hairline); border-radius: 999px;
  text-transform: uppercase;
  vertical-align: middle;
}
.yu-cat.active .yu-cat-tag {
  color: rgba(255,255,255,.85);
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.2);
}
.yu-coming-empty {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; gap: 18px;
  padding: 80px 24px 120px;
  color: var(--muted);
}
.yu-coming-empty h2 {
  font: 700 36px/1.1 var(--font); letter-spacing: -0.6px;
  color: var(--ink); margin: 0;
}
.yu-coming-empty p { margin: 0; min-height: 1px; }
.yu-coming-empty .orb {
  position: relative; width: 96px; height: 96px;
  margin-bottom: 6px;
}
.yu-coming-empty .orb .dot {
  position: absolute; left: 50%; top: 50%;
  width: 14px; height: 14px; border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: yu-coming-orbit 4s linear infinite;
}
.yu-coming-empty .orb .dot.a { background: var(--primary); animation-delay: 0s; }
.yu-coming-empty .orb .dot.b { background: var(--ink);     animation-delay: -1.33s; }
.yu-coming-empty .orb .dot.c { background: #d8a838;        animation-delay: -2.66s; }
@keyframes yu-coming-orbit {
  0%   { transform: translate(-50%, -50%) rotate(0deg)   translateX(34px) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg) translateX(34px) rotate(-360deg); }
}

/* ──────── Library ──────── */
.yu-lib-layout {
  display: block;
  min-height: 0;
}
.yu-lib-filter {
  border-right: 1px solid var(--hairline);
  padding: 26px 22px;
  background: var(--canvas);
  display: flex; flex-direction: column;
  overflow-y: auto;
}
.yu-lib-filter h4 {
  font: 700 10px/1 var(--font); letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--muted); margin: 18px 0 8px; padding: 0;
}
.yu-lib-filter h4:first-child { margin-top: 0; }

.yu-lib-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding-bottom: 16px; border-bottom: 1px solid var(--hairline);
  margin-bottom: 4px;
}
.yu-lib-stat {
  background: var(--surface-soft); padding: 10px 12px;
  border: 1px solid var(--hairline);
}
.yu-lib-stat:first-child { grid-column: span 2; }
.yu-lib-stat .k {
  font: 700 9px/1 var(--font); letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--muted);
  margin-bottom: 6px;
}
.yu-lib-stat .v {
  font: 700 22px/1 var(--font); color: var(--ink); letter-spacing: -0.5px;
}
.yu-lib-stat .v .u { font-size: 11px; color: var(--muted); margin-left: 3px; letter-spacing: 0; }

.yu-status-dot {
  display: inline-block; width: 7px; height: 7px;
  border-radius: 50%; margin-right: 8px;
  vertical-align: middle;
}
.yu-status-dot.final { background: var(--success, #1b8a3e); }
.yu-status-dot.wip   { background: var(--warning, #d97706); }
.yu-status-dot.arch  { background: var(--muted); }

.yu-lib-main { display: flex; flex-direction: column; gap: 16px; min-width: 0; padding: 26px 36px 40px; overflow-y: auto; }
.yu-lib-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 14px; border-bottom: 1px solid var(--hairline);
}
.yu-lib-toolbar .left {
  display: flex; align-items: center; gap: 14px;
}
.yu-lib-toolbar h2 {
  font: 700 22px/1 var(--font); letter-spacing: -0.4px; margin: 0;
}
.yu-lib-toolbar .count {
  font: 500 12px/1 var(--font); color: var(--muted);
}
.yu-lib-chip {
  display: inline-flex; align-items: center;
  font: 600 11px/1 var(--font);
  padding: 5px 9px; border: 1px solid var(--hairline);
  background: var(--surface-soft);
}
.yu-lib-chip .x { margin-left: 6px; cursor: pointer; color: var(--muted); }

.yu-view-switch {
  display: inline-flex; border: 1px solid var(--hairline); height: 34px;
}
.yu-view-switch span {
  display: grid; place-items: center; padding: 0 12px; min-width: 36px;
  cursor: pointer; font-size: 14px; color: var(--muted);
  border-right: 1px solid var(--hairline);
}
.yu-view-switch span:last-child { border-right: 0; }
.yu-view-switch span.sel { background: var(--ink); color: #fff; }

.yu-lib-grid {
  /* Masonry columns — same pattern as S4 gallery so mixed aspect ratios pack cleanly.
     `display: block` is required to neutralise the `display: grid` rule in
     screens.css; column-* properties only apply to block-flow containers. */
  display: block;
  column-gap: 14px;
  column-width: 180px;
}
.yu-lib-card {
  display: block;
  break-inside: avoid;
  margin: 0 0 22px;
  background: transparent;
  border: 0; border-radius: 0;
}
.yu-lib-card .yu-vid-thumb { border-radius: 10px; }
.yu-lib-status {
  font: 700 10px/1 var(--font); letter-spacing: 0.4px;
  padding: 5px 9px; color: #fff; border-radius: 4px;
  display: inline-flex; align-items: center;
}
.yu-lib-status.final { background: #1ca555; }
.yu-lib-status.wip   { background: #2c3645; color: #fff; }
.yu-lib-status.arch  { background: rgba(0,0,0,0.6); }
.yu-lib-kind {
  font: 700 10px/1 var(--font); letter-spacing: 0.6px;
  padding: 5px 8px; background: rgba(0,0,0,0.78); color: #fff;
  border-radius: 4px;
  display: inline-flex; align-items: center;
}
.yu-lib-play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.85); color: var(--ink);
  display: grid; place-items: center;
  font-size: 14px; padding-left: 3px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
  opacity: 0; transition: opacity .15s;
}
.yu-lib-card:hover .yu-lib-play { opacity: 1; }
.yu-lib-bottom {
  display: flex; align-items: center; justify-content: space-between;
}
.yu-lib-dur {
  background: rgba(0,0,0,0.78); color: #fff;
  padding: 4px 8px; font: 700 11px/1 var(--font); letter-spacing: 0.3px;
  border-radius: 4px;
}
.yu-lib-fav {
  width: 22px; height: 22px; display: grid; place-items: center;
  background: rgba(255,255,255,0.92); color: var(--muted);
  font-size: 11px; cursor: pointer; border-radius: 4px;
}
.yu-lib-fav.on { color: #d8a838; background: #fff; }
.yu-lib-fav.small { width: 18px; height: 18px; font-size: 11px; background: transparent; margin-right: 6px; }
.yu-lib-fav.big { font-size: 22px; width: 38px; height: 38px; }

.yu-lib-info {
  padding: 10px 2px 0;
  display: flex; flex-direction: column; gap: 6px;
}
.yu-lib-info .row { display: flex; align-items: center; gap: 8px; min-width: 0; }
.yu-lib-info .row.top { justify-content: space-between; }
.yu-lib-info .row.meta { justify-content: space-between; }
.yu-lib-info .nm {
  font: 700 13px/1.3 var(--font); color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  min-width: 0; flex: 1 1 auto;
}
.yu-lib-info .acts { display: inline-flex; gap: 2px; flex: none; }
.yu-lib-info .iconbtn {
  appearance: none; border: 0; background: transparent;
  width: 22px; height: 22px; padding: 0;
  display: grid; place-items: center;
  color: var(--muted); cursor: pointer; border-radius: 4px;
  font-size: 12px; line-height: 1;
  transition: color .12s, background .12s;
}
.yu-lib-info .iconbtn:hover { background: var(--surface-soft); color: var(--ink); }
.yu-lib-info .iconbtn.fav.on { color: #d8a838; }
.yu-lib-info .iconbtn.del:hover { color: #c0392b; }
.yu-lib-info .facts {
  display: inline-flex; align-items: center; gap: 5px; min-width: 0;
  font: 500 11px/1 var(--font); color: var(--muted); letter-spacing: 0.2px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.yu-lib-info .facts .dot { opacity: .6; }
.yu-lib-status-pill {
  display: inline-flex; align-items: center; flex: none;
  font: 700 10px/1 var(--font); letter-spacing: 0.4px;
  padding: 4px 7px; color: #fff; border-radius: 4px;
  text-transform: uppercase;
}
.yu-lib-status-pill.final { background: #1ca555; }
.yu-lib-status-pill.wip   { background: #2c3645; }
.yu-lib-status-pill.arch  { background: rgba(0,0,0,0.55); }

/* List view */
.yu-lib-list {
  border: 1px solid var(--hairline); background: var(--canvas);
}
.yu-lib-list-hd, .yu-lib-row {
  display: grid;
  grid-template-columns: 56px 2.2fr 1.4fr 1.3fr 1.1fr 1fr 1fr 0.7fr 100px;
  align-items: center; gap: 12px;
  padding: 10px 14px;
  font: 500 12px/1.3 var(--font);
}
.yu-lib-list-hd {
  background: var(--surface-soft); border-bottom: 1px solid var(--hairline);
  font: 700 10px/1 var(--font); letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--muted);
}
.yu-lib-row {
  border-bottom: 1px solid var(--hairline); cursor: pointer;
  transition: background-color .12s;
}
.yu-lib-row:hover { background: var(--surface-soft); }
.yu-lib-row:last-child { border-bottom: 0; }
.yu-lib-row .nm { font-weight: 700; color: var(--ink); display: flex; align-items: center; }
.yu-lib-row-thumb {
  width: 44px; height: 44px; position: relative; overflow: hidden;
  display: grid; place-items: center;
  color: rgba(255,255,255,0.85); font-size: 14px;
}
.yu-lib-row-thumb span { position: relative; z-index: 2; text-shadow: 0 1px 2px rgba(0,0,0,0.5); }
.yu-lib-row .actions {
  display: flex; gap: 8px; justify-content: flex-end;
  font-size: 14px; color: var(--muted);
}
.yu-lib-row .actions span { cursor: pointer; padding: 4px; }
.yu-lib-row .actions span:hover { color: var(--ink); }

/* Drawer */
.yu-lib-drawer {
  position: fixed; right: 0; top: 0; bottom: 0;
  width: min(520px, 92vw);
  background: var(--canvas);
  border-left: 1px solid var(--hairline);
  display: flex; flex-direction: column;
  box-shadow: -8px 0 24px rgba(0,0,0,0.08);
  animation: yuSlideIn .2s ease-out;
}
@keyframes yuSlideIn { from { transform: translateX(20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.yu-lib-drawer-hd {
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 22px 24px 18px;
  border-bottom: 1px solid var(--hairline);
}
.yu-lib-drawer-hd .eye {
  font: 700 10px/1 var(--font); letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--muted); margin-bottom: 8px;
}
.yu-lib-drawer-hd h3 { font: 700 20px/1.3 var(--font); letter-spacing: -0.3px; margin: 0; }
.yu-lib-drawer-hd .x {
  font-size: 22px; cursor: pointer; color: var(--muted); padding: 4px 8px;
}
.yu-lib-drawer-bd {
  flex: 1; overflow-y: auto;
  padding: 20px 24px;
  display: flex; flex-direction: column; gap: 22px;
}
.yu-lib-drawer-prev {
  aspect-ratio: 9/16; max-height: 320px; align-self: center;
  position: relative; width: 100%;
}
.yu-lib-drawer-prev .play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 60px; height: 60px; border-radius: 50%;
  background: rgba(255,255,255,0.92); color: var(--ink);
  display: grid; place-items: center; font-size: 18px; padding-left: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.yu-lib-drawer-prev .sb-tag, .yu-lib-drawer-prev .wip {
  position: absolute; left: 12px; top: 12px;
  font: 700 9px/1 var(--font); letter-spacing: 0.8px;
  padding: 5px 8px; background: rgba(0,0,0,0.7); color: #fff;
}
.yu-lib-drawer-prev .wip { background: var(--warning, #d97706); }

.yu-lib-drawer-meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border: 1px solid var(--hairline);
}
.yu-lib-drawer-row {
  display: flex; flex-direction: column; gap: 4px;
  padding: 12px 14px;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.yu-lib-drawer-row:nth-child(2n) { border-right: 0; }
.yu-lib-drawer-row:last-child { grid-column: span 2; border-right: 0; border-bottom: 0; }
.yu-lib-drawer-row .k {
  font: 700 9px/1 var(--font); letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--muted);
}
.yu-lib-drawer-row .v { font: 600 13px/1.3 var(--font); color: var(--ink); }

.yu-lib-drawer-section h4 {
  font: 700 10px/1 var(--font); letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--muted);
  margin: 0 0 14px; padding: 0;
}
.yu-lib-timeline { display: flex; flex-direction: column; gap: 12px; }
.yu-lib-tl-item {
  display: grid; grid-template-columns: 16px 1fr; column-gap: 12px;
  position: relative;
}
.yu-lib-tl-item:not(:last-child)::before {
  content: ''; position: absolute;
  left: 7px; top: 18px; bottom: -12px;
  width: 1px; background: var(--hairline);
}
.yu-lib-tl-item .dot {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--hairline); background: var(--canvas);
  margin-top: 3px;
}
.yu-lib-tl-item.done .dot { background: var(--primary); border-color: var(--primary); }
.yu-lib-tl-item.pending .dot { background: var(--surface-soft); }
.yu-lib-tl-item .t { font: 700 12px/1.3 var(--font); color: var(--ink); }
.yu-lib-tl-item .d { font: 500 11px/1.3 var(--font); color: var(--muted); margin-top: 2px; }
.yu-lib-tl-item.pending .t { color: var(--muted); }

.yu-lib-drawer-ft {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; border-top: 1px solid var(--hairline);
  background: var(--surface-soft);
}
.yu-lib-drawer-ft .right { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.yu-social-side h4 {
  font: 700 11px/1 var(--font); letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--muted); margin: 0 0 12px;
}
.yu-social-side h4 + h4 { margin-top: 28px; }
.yu-conn-list { display: flex; flex-direction: column; gap: 8px; }
.yu-conn-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px; background: var(--canvas);
  border: 1px solid var(--hairline);
}
.yu-conn-icon {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  font: 700 11px/1 var(--font); color: #fff;
}
.yu-conn-icon.ig { background: linear-gradient(135deg,#f09433,#dc2743,#bc1888); }
.yu-conn-icon.yt { background: #ff0000; }
.yu-conn-icon.tt { background: #000; }
.yu-conn-icon.fb { background: #1877f2; }
.yu-conn-icon.nb { background: #03c75a; }
.yu-conn-info { flex: 1; }
.yu-conn-info .nm { font: 700 12px/1.2 var(--font); }
.yu-conn-info .h { font: 500 10px/1 var(--font); color: var(--muted); margin-top: 3px; letter-spacing: 0.3px; }
.yu-conn-state { font: 700 10px/1 var(--font); letter-spacing: 1px; text-transform: uppercase; color: var(--success); }
.yu-conn-state.off { color: var(--muted-soft); cursor: pointer; }

.yu-up-list { display: flex; flex-direction: column; gap: 8px; }
.yu-up-item {
  padding: 12px; background: var(--canvas);
  border: 1px solid var(--hairline);
  display: flex; align-items: center; gap: 12px;
}
.yu-up-thumb {
  width: 36px; height: 56px; flex-shrink: 0;
  background: var(--surface-strong);
}
.yu-up-thumb.c1 { background: linear-gradient(180deg, var(--primary), var(--primary-active)); }
.yu-up-thumb.c2 { background: linear-gradient(180deg, #efe5d0, #c8b896); }
.yu-up-thumb.c3 { background: var(--ink); }
.yu-up-info { flex: 1; min-width: 0; }
.yu-up-info .nm { font: 700 12px/1.2 var(--font); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.yu-up-info .when {
  font: 700 10px/1 var(--font); color: var(--primary); letter-spacing: 1px; text-transform: uppercase;
  margin-top: 4px;
}
.yu-up-info .ch { font: 500 10px/1 var(--font); color: var(--muted); margin-top: 3px; letter-spacing: 0.3px; }

/* Packshot Reference page */
.yu-pkref-host {
  flex: 1; min-height: 0;
  display: flex; flex-direction: column;
  padding: 24px 36px 40px;
  overflow-y: auto;
  background: var(--canvas);
}
.yu-pkref-pills {
  display: flex; gap: 10px;
  flex-wrap: wrap;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--hairline);
}
.yu-pkref-pill {
  display: inline-flex; align-items: center; gap: 8px;
  height: 38px; padding: 0 18px;
  background: #EEE9DD;
  border: 0; border-radius: 999px;
  font: 600 13px/1 var(--font);
  color: var(--body); cursor: pointer;
  transition: all 0.15s ease;
}
.yu-pkref-pill:hover { background: #E5DFD0; }
.yu-pkref-pill .c {
  font: 500 11px/1 var(--font);
  color: var(--muted);
  padding: 3px 6px;
  background: rgba(0,0,0,0.05);
  border-radius: 999px;
}
.yu-pkref-pill.active {
  background: var(--success, #10B981);
  color: #fff;
}
.yu-pkref-pill.active .c {
  color: #fff;
  background: rgba(255,255,255,0.2);
}

.yu-pkref-none {
  margin: 18px 0;
  height: 56px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 22px;
  background: var(--success, #10B981);
  color: #fff;
  border: 0; border-radius: 8px;
  font: 600 14px/1 var(--font);
  cursor: pointer;
  width: 100%;
  text-align: left;
}
.yu-pkref-none .ck { font-size: 18px; }
.yu-pkref-none:not(.sel) {
  background: #FAFAF7;
  color: var(--body);
  border: 1px solid var(--hairline);
}
.yu-pkref-none:not(.sel) .ck { color: var(--muted); }

.yu-pkref-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px 20px;
  padding-bottom: 40px;
}
.yu-pkref-card {
  position: relative;
  display: flex; flex-direction: column;
  background: #FAFAF7;
  border: 2px solid transparent;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.15s ease;
}
.yu-pkref-card:hover { transform: translateY(-2px); }
.yu-pkref-card.sel { border-color: var(--primary); }
.yu-pkref-card .fav {
  position: absolute; top: 10px; right: 10px;
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.92);
  border-radius: 50%;
  font-size: 14px;
  color: var(--muted-soft, #9ca3af);
  cursor: pointer;
  z-index: 2;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  transition: all 0.15s ease;
}
.yu-pkref-card .fav:hover { transform: scale(1.08); }
.yu-pkref-card .fav.on { color: #f59e0b; }
.yu-pkref-thumb {
  position: relative;
  width: 100%;
  background: #EAE5D6;
  overflow: hidden;
}
.yu-pkref-mock {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 28%; height: 50%;
  background: linear-gradient(180deg, rgba(255,255,255,0.4), rgba(0,0,0,0.15));
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
}
.yu-pkref-meta {
  padding: 14px 16px 18px;
  background: #FAFAF7;
}
.yu-pkref-meta .nm {
  font: 600 15px/1.3 var(--font);
  color: var(--ink);
  margin-bottom: 4px;
}
.yu-pkref-meta .sz {
  font: 400 13px/1 var(--font);
  color: var(--muted);
}

/* category page generic */
.yu-page-host {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  overflow: hidden;
  background: var(--canvas);
}
.yu-page-body {
  flex: 1; min-height: 0;
  display: flex;
  overflow: hidden;
}

/* shell with 3 cats */
.yu-app-3 {
  display: grid; grid-template-columns: 260px 1fr;
  flex: 1; min-height: 0;
}
.yu-main-3 {
  overflow: hidden;
  display: flex; flex-direction: column;
  background: var(--canvas);
  flex: 1; min-height: 0;
}

/* full-bleed scroll body inside category */
.yu-cat-body {
  flex: 1; min-height: 0;
  overflow-y: auto;
  background: var(--canvas);
}
.yu-cat-body-inner {
  padding: 16px 36px 56px;
  max-width: 1280px;
}
.yu-cat-body.full > * { padding: 0; }


/* ===== COMPLIANCE PRE-CHECK SETTINGS PAGE ===== */
.yu-comp-set { padding: 24px 36px 48px; max-width: 1280px; margin: 0 auto; }

.yu-comp-master {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; padding: 18px 22px;
  border: 1px solid var(--hairline); background: var(--canvas);
  border-radius: 4px; margin-bottom: 20px;
}
.yu-comp-master .lbl { font: 700 16px/1.2 var(--font); margin-bottom: 4px; }
.yu-comp-master .sub { font: 300 12px/1.5 var(--font); color: var(--muted); }

.yu-comp-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.yu-comp-card {
  border: 1px solid var(--hairline); background: var(--canvas);
  border-radius: 4px; padding: 20px 22px;
  display: flex; flex-direction: column; gap: 14px;
}
.yu-comp-card.span2 { grid-column: 1 / -1; }
.yu-comp-card .hd {
  display: flex; align-items: baseline; justify-content: space-between;
  padding-bottom: 10px; border-bottom: 1px solid var(--hairline);
  margin-bottom: 4px;
}
.yu-comp-card .hd .ttl { font: 700 14px/1.2 var(--font); }
.yu-comp-card .hd .cnt { font: 500 11px/1 var(--font); color: var(--muted); letter-spacing: 0.5px; }
.yu-comp-card .hd .big { font: 700 28px/1 var(--font); color: var(--primary); letter-spacing: -0.5px; }

/* slider */
.yu-comp-slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px; background: var(--hairline-strong, #d8dde6);
  border-radius: 2px; outline: none; cursor: pointer; padding: 0;
}
.yu-comp-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--primary); border: 3px solid #fff;
  box-shadow: 0 0 0 1px var(--primary);
  cursor: pointer;
}
.yu-comp-slider::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--primary); border: 3px solid #fff;
  box-shadow: 0 0 0 1px var(--primary);
  cursor: pointer;
}
.yu-comp-slider:disabled { opacity: 0.4; cursor: not-allowed; }
.yu-comp-slider.sm { height: 3px; }
.yu-comp-scale {
  display: flex; justify-content: space-between;
  font: 400 10px/1 var(--font); color: var(--muted);
  margin-top: 2px; letter-spacing: 0.3px;
}

.yu-comp-flow { display: flex; flex-direction: column; gap: 2px; margin-top: 8px; padding-top: 14px; border-top: 1px solid var(--hairline); }

/* Toggle row */
.yu-tgl-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 0;
  border-bottom: 1px solid var(--hairline);
}
.yu-tgl-row:last-child { border-bottom: none; }
.yu-tgl-row .t { font: 600 13px/1.3 var(--font); margin-bottom: 2px; }
.yu-tgl-row .s { font: 300 11px/1.4 var(--font); color: var(--muted); }

/* Toggle switch */
.yu-tgl { position: relative; width: 36px; height: 20px; flex-shrink: 0; cursor: pointer; display: inline-block; }
.yu-tgl input { position: absolute; inset: 0; opacity: 0; cursor: pointer; margin: 0; }
.yu-tgl .ind {
  position: absolute; inset: 0; background: #d8dde6; border-radius: 999px;
  transition: background 0.15s ease;
}
.yu-tgl .ind::after {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; background: #fff; border-radius: 50%;
  transition: transform 0.15s ease;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.yu-tgl input:checked + .ind { background: var(--primary); }
.yu-tgl input:checked + .ind::after { transform: translateX(16px); }
.yu-tgl input:disabled + .ind { opacity: 0.4; }
.yu-tgl.sm { width: 30px; height: 17px; }
.yu-tgl.sm .ind::after { width: 13px; height: 13px; }
.yu-tgl.sm input:checked + .ind::after { transform: translateX(13px); }

/* Visual rules list */
.yu-comp-rules { display: flex; flex-direction: column; gap: 0; }
.yu-comp-rule {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 0;
  border-bottom: 1px solid var(--hairline);
  cursor: default;
}
.yu-comp-rule:last-child { border-bottom: none; }
.yu-comp-rule .x { flex: 1; min-width: 0; }
.yu-comp-rule .rl { font: 600 13px/1.3 var(--font); margin-bottom: 2px; }
.yu-comp-rule .rd { font: 300 11px/1.4 var(--font); color: var(--muted); }
.yu-comp-rule.on .rl { color: var(--ink); }

/* OCR mini slider */
.yu-comp-mini { padding-top: 12px; border-top: 1px solid var(--hairline); margin-top: 6px; display: flex; flex-direction: column; gap: 8px; }
.yu-comp-mini .lbl { font: 600 12px/1.2 var(--font); display: flex; justify-content: space-between; }
.yu-comp-mini .v { color: var(--primary); font-weight: 700; }

/* Forbidden words */
.yu-comp-words {
  display: flex; flex-direction: column; gap: 4px;
}
.yu-comp-word {
  display: grid;
  grid-template-columns: 24px 1fr 16px 1fr auto auto;
  align-items: center; gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  background: #fafbfc;
  transition: opacity 0.15s ease;
}
.yu-comp-word.off { opacity: 0.45; }
.yu-comp-word .sev { font-size: 14px; line-height: 1; }
.yu-comp-word .sev.high { color: #c0392b; }
.yu-comp-word .sev.med  { color: #d39237; }
.yu-comp-word .w {
  font: 600 13px/1.2 var(--font);
  color: var(--ink);
}
.yu-comp-word .arr { color: var(--muted); font-size: 12px; }
.yu-comp-word .alt { font: 500 13px/1.2 var(--font); color: var(--primary); }
.yu-comp-word .rm {
  background: none; border: none; color: var(--muted);
  font-size: 18px; line-height: 1; padding: 4px 8px;
  cursor: pointer; border-radius: 3px;
}
.yu-comp-word .rm:hover { background: rgba(192, 57, 43, 0.08); color: #c0392b; }

.yu-comp-add {
  display: grid; grid-template-columns: 1fr 1fr auto;
  gap: 8px; margin-top: 12px;
  padding-top: 14px; border-top: 1px solid var(--hairline);
}
.yu-comp-add .yu-input { height: 36px; padding: 6px 12px; font-size: 13px; }

/* Empty state in modal */
.yu-comp-empty {
  text-align: center; padding: 40px 20px;
  font: 400 13px/1.5 var(--font); color: var(--muted);
}
.yu-comp-empty-sm {
  font: 300 12px/1.4 var(--font); color: var(--muted);
  padding: 8px 0;
}

/* Project save toast */
.yu-toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%);
  background: var(--ink, #1a1a1a); color: #fff;
  font: 500 13px/1 var(--font); letter-spacing: 0.2px;
  padding: 12px 20px; border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  z-index: 10000;
  animation: yu-toast-in 0.18s ease-out;
}
@keyframes yu-toast-in {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}


/* ===== STEP 2 — Tabs + modes + upload/url ===== */
.yu-s2-tabs {
  display: flex; gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hairline);
}
.yu-s2-tab {
  appearance: none; cursor: pointer;
  padding: 10px 18px;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  background: #fff;
  font: 500 13px/1 var(--font); letter-spacing: 0.2px;
  color: var(--body);
  transition: all 0.15s ease;
  display: inline-flex; align-items: center; gap: 8px;
}
.yu-s2-tab::before {
  content: '';
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--hairline);
  transition: background 0.15s ease;
}
.yu-s2-tab:hover { border-color: var(--ink); color: var(--ink); }
.yu-s2-tab.active {
  background: var(--ink); border-color: var(--ink); color: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}
.yu-s2-tab.active::before { background: #fff; }

.yu-s2-pane { padding: 0 0 24px; }

.yu-s2-modes {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin-bottom: 14px;
}
.yu-s2-mode {
  appearance: none; cursor: pointer;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--hairline);
  background: #fff;
  font: 500 12px/1 var(--font); letter-spacing: 0.2px;
  color: var(--body);
  transition: all 0.15s ease;
}
.yu-s2-mode:hover { border-color: var(--ink); }
.yu-s2-mode.active { background: var(--ink); border-color: var(--ink); color: #fff; }
.yu-s2-mode .ic-star { color: #d8a838; font-size: 11px; margin-right: 2px; }
.yu-s2-mode.active .ic-star { color: #ffd66e; }
.yu-s2-favcount {
  margin-left: auto; font: 600 11px/1 var(--font); color: var(--muted);
  letter-spacing: 0.2px;
}
.yu-s2-mode-sub {
  font: 300 12px/1.5 var(--font); color: var(--muted);
  margin-left: 6px;
}

.yu-s2-hint {
  font: 300 12px/1.5 var(--font); color: var(--muted);
  margin: 0 0 12px;
}

.yu-pkref-ai {
  position: absolute; top: 10px; left: 10px;
  z-index: 2;
  font: 700 9px/1 var(--font); letter-spacing: 1.2px;
  color: var(--primary);
  background: #fff;
  border: 1px solid var(--primary);
  padding: 4px 6px; border-radius: 3px;
}

/* Upload */
.yu-s2-drop {
  border: 1.5px dashed var(--hairline);
  border-radius: 8px;
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  background: var(--surface-soft, #fafafa);
  transition: all 0.15s ease;
}
.yu-s2-drop:hover { border-color: var(--ink); background: #fff; }
.yu-s2-drop svg { width: 32px; height: 32px; color: var(--muted); margin-bottom: 12px; }
.yu-s2-drop .t { font: 500 13px/1.4 var(--font); color: var(--ink); margin-bottom: 4px; }
.yu-s2-drop .s { font: 300 11px/1.4 var(--font); color: var(--muted); }

.yu-s2-uploads {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 8px; margin-top: 16px;
}
.yu-s2-upload {
  display: flex; align-items: center; gap: 10px;
  padding: 8px;
  border: 1px solid var(--hairline); border-radius: 6px;
  background: #fff;
}
.yu-s2-upload .th {
  width: 40px; height: 40px; flex: 0 0 40px;
  border-radius: 4px;
  background: linear-gradient(135deg, #e8e8ea, #cfcfd3);
}
.yu-s2-upload .info { flex: 1; min-width: 0; }
.yu-s2-upload .nm {
  font: 500 12px/1.3 var(--font); color: var(--ink);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.yu-s2-upload .sz { font: 300 11px/1.3 var(--font); color: var(--muted); }
.yu-s2-upload .rm {
  appearance: none; cursor: pointer;
  border: 0; background: transparent;
  font-size: 18px; line-height: 1; color: var(--muted);
  padding: 4px 8px;
}
.yu-s2-upload .rm:hover { color: var(--ink); }

/* URL */
.yu-s2-url-row {
  display: flex; gap: 8px; margin-bottom: 8px;
}
.yu-s2-url-row .yu-input {
  flex: 1;
  height: 36px; padding: 0 12px;
  border: 1px solid var(--hairline); border-radius: 6px;
  font: 400 13px/1 var(--font); color: var(--ink);
  background: #fff;
}
.yu-s2-url-row .yu-input:focus { outline: none; border-color: var(--ink); }

.yu-s2-urls {
  display: flex; flex-direction: column; gap: 6px;
  margin-top: 12px;
}
.yu-s2-url {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--hairline); border-radius: 6px;
  background: #fff;
}
.yu-s2-url .ic { font-size: 14px; color: var(--muted); }
.yu-s2-url .t {
  flex: 1; min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font: 400 12px/1.3 var(--font); color: var(--body);
}
.yu-s2-url .rm {
  appearance: none; cursor: pointer;
  border: 0; background: transparent;
  font-size: 18px; line-height: 1; color: var(--muted);
  padding: 4px 8px;
}
.yu-s2-url .rm:hover { color: var(--ink); }

.yu-s2-empty {
  padding: 64px 24px; text-align: center;
  border: 1px dashed var(--hairline); border-radius: 8px;
  background: var(--surface-soft, #fafafa);
}
.yu-s2-empty .t { font: 500 14px/1.3 var(--font); color: var(--ink); margin-bottom: 6px; }
.yu-s2-empty .s { font: 300 12px/1.5 var(--font); color: var(--muted); }