/* ─── Stems + Video — page styles ─────────────────────────
   Brief 05. Built on tokens.css + shell.css.
   Both surfaces are file-management with metadata, organized by
   category. Stems is tabular; Video is card-per-version. */

/* ── Shared page frame (reuses .an-page pattern) ────────── */
.sv-page {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-app);
  overflow: hidden;
}

.sv-page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 28px 16px;
  border-bottom: 1px solid var(--line-soft);
  flex: 0 0 auto;
}
.sv-page-head .l { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.sv-page-head .lab {
  font: 500 10px/1 var(--ui);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
}
.sv-page-head .title {
  font: 500 18px/1 var(--ui);
  letter-spacing: -0.01em;
  color: var(--fg-strong);
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.sv-page-head .title .meta {
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.04em;
  color: var(--fg-dim);
  border-left: 1px solid var(--line);
  padding-left: 12px;
}
.sv-page-head .r {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sv-page-body {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px 28px 0;
  overflow: hidden;
}

/* ── Category sub-tabs (pill chips with counts) ─────────── */
.sv-cat-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  padding: 2px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.sv-cat-tabs::-webkit-scrollbar { display: none; }

.sv-cat-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 26px;
  padding: 0 11px;
  border-radius: var(--r-btn);
  border: 1px solid var(--line);
  background: var(--bg-sub);
  color: var(--fg-mute);
  font: 500 11px/1 var(--ui);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
  white-space: nowrap;
}
.sv-cat-tab:hover {
  color: var(--fg);
  border-color: var(--line-strong);
}
.sv-cat-tab .ct {
  font: 500 10px/1 var(--mono);
  color: var(--fg-dim);
  letter-spacing: 0.04em;
}
.sv-cat-tab.active {
  color: var(--teal);
  border-color: var(--teal-line);
  background: var(--teal-bg);
}
.sv-cat-tab.active .ct { color: var(--teal); }
.sv-cat-tab .dot {
  width: 6px; height: 6px; border-radius: 1px;
}
.sv-cat-tab .dot.dlg   { background: var(--cat-dlg); }
.sv-cat-tab .dot.foley { background: var(--cat-foley); }
.sv-cat-tab .dot.fx    { background: var(--cat-fx); }
.sv-cat-tab .dot.mus   { background: var(--cat-mus); }
.sv-cat-tab .dot.mix   { background: var(--teal); }
.sv-cat-tab .dot.other { background: var(--fg-dim); }

.sv-cat-tabs .sv-spacer {
  flex: 1 1 auto;
  height: 1px;
  margin: 0 4px;
}
.sv-cat-tabs .sv-summary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 500 10px/1 var(--mono);
  color: var(--fg-dim);
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.sv-cat-tabs .sv-summary .sep { color: var(--fg-faint); }

/* ─────────────────────────────────────────────────────────
   STEMS — file table
   ───────────────────────────────────────────────────────── */
.sv-stem-panel {
  flex: 1 1 auto;
  min-height: 0;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  box-shadow: var(--inset-panel);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sv-stem-tbl-head {
  display: grid;
  grid-template-columns: 1fr 110px 80px 90px 80px 80px;
  gap: 16px;
  padding: 8px 16px 8px 18px;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--line-soft);
  font: 500 9px/1 var(--ui);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
  flex: 0 0 auto;
}
.sv-stem-tbl-head > div { display: flex; align-items: center; }
.sv-stem-tbl-head .num { justify-content: flex-end; }
.sv-stem-tbl-head .c { justify-content: center; }

.sv-stem-tbl-body {
  flex: 1 1 auto;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.sv-stem-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 110px 80px 90px 80px 80px;
  gap: 16px;
  align-items: center;
  padding: 10px 16px 10px 18px;
  background: var(--bg-row);
  border-bottom: 1px solid var(--line-soft);
  cursor: pointer;
  transition: background var(--t-fast);
}
.sv-stem-row:hover { background: var(--bg-row-hover); }
.sv-stem-row.playing {
  background: var(--bg-row-sel);
}
.sv-stem-row.playing::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal-glow);
}

.sv-stem-row .fname {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.sv-stem-row .fname .play {
  width: 22px; height: 22px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-sub);
  border: 1px solid var(--line);
  border-radius: var(--r-micro);
  color: var(--fg-mute);
  flex: 0 0 auto;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.sv-stem-row:hover .fname .play { color: var(--fg); }
.sv-stem-row.playing .fname .play {
  color: var(--teal);
  border-color: var(--teal-line);
  background: var(--teal-bg);
}
.sv-stem-row .fname .nm {
  font: 500 12.5px/1.2 var(--mono);
  color: var(--fg-strong);
  letter-spacing: 0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.sv-stem-row .fname .nm .ver-chip {
  display: inline-flex;
  align-items: center;
  height: 16px;
  padding: 0 5px;
  margin-left: 8px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font: 600 9px/1 var(--mono);
  letter-spacing: 0.06em;
  color: var(--fg-mute);
  text-transform: uppercase;
  vertical-align: 1px;
}
.sv-stem-row .fname .nm .ver-chip.active {
  border-color: var(--teal-line);
  color: var(--teal);
  background: var(--teal-bg);
}

.sv-stem-row .fmt,
.sv-stem-row .sz {
  font: 500 11px/1 var(--mono);
  color: var(--fg-dim);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  justify-self: end;
}
.sv-stem-row .fmt { justify-self: start; }

.sv-stem-row .up {
  display: flex; align-items: center; gap: 6px;
  min-width: 0;
}
.sv-stem-row .up .nm {
  font: 500 11px/1 var(--ui);
  color: var(--fg-mute);
  letter-spacing: 0.01em;
}

.sv-stem-row .when {
  font: 500 11px/1 var(--mono);
  color: var(--fg-dim);
  letter-spacing: 0.04em;
  justify-self: end;
}

.sv-stem-row .acts {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: flex-end;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-fast);
}
.sv-stem-row:hover .acts {
  opacity: 1;
  pointer-events: auto;
}
.sv-stem-row.hovered .acts {
  opacity: 1;
  pointer-events: auto;
}
.sv-stem-row .acts .nt-btn {
  height: 22px;
  padding: 0 8px;
  font-size: 10px;
  letter-spacing: 0.06em;
}

/* ── Upload zone (sticky bottom of body) ─────────────────── */
.sv-upload-zone {
  flex: 0 0 auto;
  margin: 14px 0 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  height: 60px;
  background: var(--bg-sub);
  border: 1.5px dashed var(--line-strong);
  border-radius: var(--r-panel);
  color: var(--fg-mute);
  font: 500 12px/1 var(--ui);
  letter-spacing: 0.02em;
  transition: border-color var(--t-fast), background var(--t-fast);
  cursor: pointer;
  position: relative;
}
.sv-upload-zone:hover {
  border-color: var(--teal-line);
  background: var(--teal-bg);
  color: var(--teal);
}
.sv-upload-zone .icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--bg-deep);
  color: var(--fg-mute);
}
.sv-upload-zone:hover .icon {
  color: var(--teal);
  border-color: var(--teal-line);
}
.sv-upload-zone .lab {
  display: flex; flex-direction: column; gap: 4px;
}
.sv-upload-zone .lab .t {
  font: 500 12px/1 var(--ui);
  letter-spacing: 0.02em;
  color: var(--fg);
}
.sv-upload-zone:hover .lab .t { color: var(--teal); }
.sv-upload-zone .lab .s {
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.06em;
  color: var(--fg-dim);
}
.sv-upload-zone .into {
  font: 500 10px/1 var(--ui);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
  border-left: 1px solid var(--line);
  padding-left: 12px;
}
.sv-upload-zone .into .chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: 8px;
  padding: 2px 6px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--teal);
  font-family: var(--mono);
  text-transform: none;
  letter-spacing: 0.04em;
  font-size: 10px;
}

/* Upload-in-progress row (inline progress bar overlay) */
.sv-stem-row.uploading { cursor: default; }
.sv-stem-row.uploading::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 2px;
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal-glow);
}
.sv-stem-row.uploading.p60::after { width: 60%; }
.sv-stem-row.uploading.p35::after { width: 35%; }
.sv-stem-row.uploading .fname .nm { color: var(--fg-mute); }
.sv-stem-row.uploading .when {
  color: var(--teal);
  letter-spacing: 0.06em;
}

/* ─────────────────────────────────────────────────────────
   VIDEO — picture version cards
   ───────────────────────────────────────────────────────── */
.sv-ver-list {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  padding-bottom: 24px;
}

.sv-ver-card {
  position: relative;
  background: var(--bg-row);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  box-shadow: var(--inset-panel);
  padding: 18px 22px 18px 26px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px 24px;
  align-items: start;
  transition: background var(--t-fast), border-color var(--t-fast);
}
.sv-ver-card:hover { background: var(--bg-row-hover); }

.sv-ver-card.active {
  background: var(--bg-panel);
  border-color: var(--line-strong);
}
.sv-ver-card.active::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--teal);
  box-shadow: 0 0 10px var(--teal-glow);
  border-radius: 2px 0 0 2px;
}

.sv-ver-head {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.sv-ver-head .num {
  font: 500 13px/1 var(--mono);
  color: var(--fg-mute);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}
.sv-ver-card.active .sv-ver-head .num { color: var(--teal); }
.sv-ver-head .sep { color: var(--fg-faint); font-size: 12px; }
.sv-ver-head .name {
  font: 500 15px/1 var(--ui);
  color: var(--fg-strong);
  letter-spacing: -0.005em;
}
.sv-ver-head .badge-active {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 18px;
  padding: 0 7px;
  border-radius: 2px;
  font: 700 9px/1 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-bg);
  border: 1px solid var(--teal-line);
  margin-right: 4px;
}
.sv-ver-head .badge-active::before {
  content: "";
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 6px var(--teal-glow);
}
.sv-ver-head .lock {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font: 500 10px/1 var(--ui);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
  padding-left: 6px;
  border-left: 1px solid var(--line);
}
.sv-ver-head .when {
  margin-left: auto;
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.04em;
  color: var(--fg-dim);
}

.sv-ver-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: start;
  grid-column: 1 / -1;
}

.sv-ver-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, auto));
  gap: 8px 22px;
  align-content: start;
}
.sv-ver-meta .item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.sv-ver-meta .lab {
  font: 500 9px/1 var(--ui);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.sv-ver-meta .v {
  font: 500 13px/1 var(--mono);
  letter-spacing: 0.02em;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}
.sv-ver-meta .v .u {
  font: 500 9px/1 var(--ui);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-left: 4px;
}

/* TC offset is editable inline on desktop active card. */
.sv-tc-input {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 8px;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: 2px;
  box-shadow: var(--inset-input);
  font: 500 12px/1 var(--mono);
  letter-spacing: 0.02em;
  color: var(--fg-strong);
  font-variant-numeric: tabular-nums;
}
.sv-tc-input.focused {
  border-color: var(--teal-line);
  box-shadow: var(--inset-input), 0 0 0 1px var(--teal-line), 0 0 10px var(--teal-glow);
  color: var(--teal);
}
.sv-tc-input .caret {
  width: 1px; height: 12px;
  background: var(--teal);
  animation: sv-caret 1s steps(2) infinite;
}
@keyframes sv-caret {
  50% { opacity: 0; }
}
.sv-tc-input.ro {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  padding: 0;
  color: var(--fg);
}

/* File-size split (HQ / LQ) */
.sv-files {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 22px;
  border-left: 1px solid var(--line-soft);
  min-width: 240px;
}
.sv-file-row {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}
.sv-file-row .qual {
  font: 700 10px/1 var(--mono);
  letter-spacing: 0.12em;
  color: var(--fg-mute);
  padding: 3px 5px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--bg-deep);
  text-align: center;
}
.sv-file-row.hq .qual {
  color: var(--fg-strong);
  border-color: var(--line-strong);
}
.sv-file-row .info {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.sv-file-row .sz {
  font: 500 13px/1 var(--mono);
  color: var(--fg-strong);
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}
.sv-file-row .fmt {
  font: 500 9px/1 var(--ui);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.sv-file-row .nt-btn {
  height: 22px;
  padding: 0 8px;
  font-size: 10px;
  letter-spacing: 0.06em;
}

.sv-ver-foot {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 14px;
  margin-top: 2px;
  border-top: 1px solid var(--line-soft);
}
.sv-ver-foot .l {
  display: flex;
  align-items: center;
  gap: 16px;
  font: 500 10px/1 var(--ui);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.sv-ver-foot .l .stat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.sv-ver-foot .l .stat .v {
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.04em;
  color: var(--fg);
  text-transform: none;
}
.sv-ver-foot .r {
  display: flex; align-items: center; gap: 8px;
}
.sv-ver-foot .r .nt-btn { height: 26px; font-size: 11px; }

/* ── Page-level video header strip (extra context bar) ──── */
.sv-active-strip {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 14px;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-left: 2px solid var(--teal);
  border-radius: var(--r-btn);
}
.sv-active-strip .l {
  display: flex; align-items: center; gap: 12px;
  font: 500 11px/1 var(--ui);
  color: var(--fg-mute);
  letter-spacing: 0.02em;
}
.sv-active-strip .l .lab {
  font: 500 9px/1 var(--ui);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
}
.sv-active-strip .l .tc {
  font: 500 12px/1 var(--mono);
  letter-spacing: 0.04em;
  color: var(--fg);
}
.sv-active-strip .r {
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.06em;
  color: var(--fg-dim);
  display: flex; align-items: center; gap: 10px;
}
.sv-active-strip .r .sync-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 6px var(--teal-glow);
}

/* ─────────────────────────────────────────────────────────
   MOBILE
   ───────────────────────────────────────────────────────── */
.ss-app.mobile .sv-page-head {
  padding: 12px 14px 10px;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}
.ss-app.mobile .sv-page-head .title { font-size: 15px; gap: 8px; }
.ss-app.mobile .sv-page-head .title .meta { padding-left: 8px; }
.ss-app.mobile .sv-page-head .r {
  justify-content: space-between;
}

.ss-app.mobile .sv-page-body {
  padding: 12px 12px 0;
  gap: 12px;
  overflow-y: auto;
}

/* Stems on mobile — single column cards */
.ss-app.mobile .sv-stem-tbl-head { display: none; }
.ss-app.mobile .sv-stem-panel { background: transparent; border: 0; box-shadow: none; }
.ss-app.mobile .sv-stem-tbl-body {
  display: flex; flex-direction: column; gap: 8px;
}
.ss-app.mobile .sv-stem-row {
  display: grid;
  grid-template-columns: 30px 1fr auto;
  grid-template-areas:
    "play name name"
    "play meta when";
  gap: 4px 12px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  padding: 12px 14px;
}
.ss-app.mobile .sv-stem-row .fname { grid-area: name; }
.ss-app.mobile .sv-stem-row .fname .play {
  grid-area: play; width: 30px; height: 30px;
  margin-right: 0;
}
.ss-app.mobile .sv-stem-row .fname .nm { font-size: 12px; }
.ss-app.mobile .sv-stem-row .fmt,
.ss-app.mobile .sv-stem-row .sz,
.ss-app.mobile .sv-stem-row .up {
  grid-area: meta;
  display: inline;
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--fg-dim);
  justify-self: start;
}
.ss-app.mobile .sv-stem-row .up {
  margin-left: 6px;
  padding-left: 6px;
  border-left: 1px solid var(--line);
}
.ss-app.mobile .sv-stem-row .when {
  grid-area: when;
  font-size: 10px;
}
.ss-app.mobile .sv-stem-row .acts {
  display: none;
}

.ss-app.mobile .sv-cat-tabs {
  padding: 0 2px;
  margin: 0 -12px;
  padding: 0 12px;
}

.ss-app.mobile .sv-upload-zone {
  height: auto;
  padding: 0;
  background: transparent;
  border: 0;
}
.ss-app.mobile .sv-upload-zone .nt-btn.primary {
  width: 100%;
  height: 44px;
  font-size: 13px;
  justify-content: center;
}
.ss-app.mobile .sv-upload-zone .icon,
.ss-app.mobile .sv-upload-zone .lab,
.ss-app.mobile .sv-upload-zone .into {
  display: none;
}

/* Video on mobile — full-width stacked cards, simpler */
.ss-app.mobile .sv-ver-card {
  padding: 14px 14px 14px 18px;
  grid-template-columns: 1fr;
  gap: 12px;
}
.ss-app.mobile .sv-ver-head { gap: 8px; }
.ss-app.mobile .sv-ver-head .name { font-size: 14px; }
.ss-app.mobile .sv-ver-head .when { width: 100%; margin-left: 0; }
.ss-app.mobile .sv-ver-body {
  grid-template-columns: 1fr;
  gap: 14px;
}
.ss-app.mobile .sv-ver-meta {
  grid-template-columns: 1fr 1fr;
  gap: 10px 14px;
}
.ss-app.mobile .sv-files {
  padding-left: 0;
  border-left: 0;
  border-top: 1px solid var(--line-soft);
  padding-top: 12px;
  min-width: 0;
}
.ss-app.mobile .sv-ver-foot .l {
  flex-wrap: wrap;
  gap: 10px;
}
.ss-app.mobile .sv-ver-foot .r .nt-btn {
  height: 30px;
}