/* ==========================================================================
   Flow Video (/flow-video)
   Generation-first board: scenes → step columns → frame deck → take deck.
   Shell conventions mirror the video editor (ve-* → fv-*).
   Plan: docs/flow-video-plan.md
   ========================================================================== */

.flow-video-page {
    height: calc(100vh - 60px);
    height: calc(100dvh - 60px);
    display: flex;
    flex-direction: column;
    min-height: 420px;
    --fv-frame: #41c082;                 /* green: frame deck / armed-for-generation */
    --fv-warn: #e2a23c;                  /* amber: generating / broken continuity */
}

/* ---------- launcher ---------- */

.fv-launcher {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.fv-launcher-inner {
    max-width: 640px;
    text-align: center;
}

.fv-launcher-icon {
    font-size: 44px;
    color: var(--accent-primary);
}

.fv-launcher-inner h1 {
    font-size: 26px;
    margin: 10px 0 8px;
}

.fv-launcher-inner > p {
    color: var(--text-secondary);
    margin: 0 auto 24px;
    max-width: 46ch;
}

.fv-launcher-beta {
    margin-top: 22px;
    font-size: 12.5px;
    color: var(--text-tertiary);
}

.fv-draft-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    background: var(--accent-light, rgba(99,102,241,0.12));
    border: 1px solid var(--accent-primary);
    border-radius: 10px;
    padding: 10px 14px;
    margin: 0 auto 20px;
    font-size: 13.5px;
}

.fv-draft-banner .material-icons-outlined {
    color: var(--accent-primary);
}

.fv-launcher-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.fv-launcher-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    width: 220px;
    padding: 22px 16px;
    background: var(--bg-secondary, rgba(255,255,255,0.04));
    border: 1px solid var(--border-color, rgba(255,255,255,0.1));
    border-radius: 12px;
    color: var(--text-primary);
    cursor: pointer;
    font: inherit;
}

.fv-launcher-card b { font-size: 15px; }
.fv-launcher-card span:last-child { color: var(--text-secondary); font-size: 12.5px; }
.fv-launcher-sparkle { font-size: 26px; }

@media (hover: hover) {
    .fv-launcher-card:hover { border-color: var(--accent-primary); background: var(--accent-light); }
}

/* ---------- buttons (shared) ---------- */

.fv-btn {
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    padding: 7px 14px;
    border-radius: 8px;
    border: 1px solid var(--border-strong, rgba(255,255,255,0.14));
    background: var(--bg-tertiary, #1a1a1a);
    color: var(--text-primary);
    cursor: pointer;
    white-space: nowrap;
}

.fv-btn-primary {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #fff;
}

.fv-btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.fv-btn:disabled { opacity: 0.45; cursor: not-allowed; }

@media (hover: hover) {
    .fv-btn:not(:disabled):hover { border-color: var(--accent-primary); }
    .fv-btn-primary:not(:disabled):hover { background: var(--accent-hover, #4f46e5); }
}

/* ---------- editor shell ---------- */

.fv-editor {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.fv-topbar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.fv-top-back {
    background: none;
    border: 0;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    padding: 4px;
}

.fv-top-name {
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
}

.fv-save-state {
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.fv-save-state.fv-save-err { color: var(--fv-warn); }

.fv-top-spacer { flex: 1; }

.fv-queue-chip {
    font-size: 11.5px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    color: var(--fv-warn);
    background: rgba(226,162,60,0.1);
    border: 1px solid rgba(226,162,60,0.3);
    padding: 3px 11px;
    border-radius: 99px;
    white-space: nowrap;
}

/* ---------- board ---------- */

.fv-board {
    flex: 1;
    min-height: 0;
    display: flex;
    align-items: stretch;
    overflow-x: auto;
    padding: 14px;
    scrollbar-width: thin;
}

.fv-scene {
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: rgba(255,255,255,0.015);
    display: flex;
    flex-direction: column;
    flex: none;
    min-height: 0;
}

.fv-scene-h {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 8px 14px;
    border-bottom: 1px solid var(--border-color);
}

.fv-scene-name { font-weight: 600; font-size: 13px; white-space: nowrap; }

.fv-scene-note {
    font-size: 10px;
    color: var(--text-tertiary);
    font-family: ui-monospace, Menlo, Consolas, monospace;
    white-space: nowrap;
}

.fv-scene-row {
    display: flex;
    align-items: stretch;
    flex: 1;
    min-height: 0;
    padding: 10px;
}

/* ---------- step column ---------- */

.fv-col {
    width: 234px;
    flex: none;
    display: flex;
    flex-direction: column;
    min-height: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-strong, rgba(255,255,255,0.14));
    border-radius: 12px;
}

.fv-col-head {
    padding: 10px 12px 8px;
    border-bottom: 1px solid var(--border-color);
    flex: none;
}

.fv-col-head-r1 {
    display: flex;
    align-items: center;
    gap: 8px;
}

.fv-step-n {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--accent-primary);
    white-space: nowrap;
}

.fv-step-title {
    flex: 1;
    font-weight: 600;
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fv-col-head-r2 {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 10px;
    color: var(--text-tertiary);
    margin-top: 3px;
}

.fv-toggle {
    width: 30px;
    height: 17px;
    border-radius: 99px;
    background: var(--accent-primary);
    position: relative;
    flex: none;
    border: 0;
    cursor: pointer;
    padding: 0;
}

.fv-toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    right: 2px;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: #fff;
}

.fv-toggle.off {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-strong);
}

.fv-toggle.off::after {
    right: auto;
    left: 2px;
    top: 1px;
    background: var(--text-tertiary);
}

.fv-col-body {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 10px 12px 12px;
    display: flex;
    flex-direction: column;
    gap: 7px;
    scrollbar-width: thin;
}

.fv-col-foot {
    flex: none;
    display: flex;
    gap: 6px;
    padding: 9px 12px;
    border-top: 1px solid var(--border-color);
}

.fv-foot-btn {
    flex: 1;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 10px;
    color: var(--text-secondary);
    background: transparent;
    border: 1.5px dashed var(--border-strong);
    border-radius: 7px;
    padding: 7px 4px;
    cursor: pointer;
    white-space: nowrap;
}

.fv-foot-primary { color: var(--accent-primary); border-color: var(--accent-primary); }
.fv-foot-danger { flex: 0 0 34px; color: var(--text-tertiary); }

@media (hover: hover) {
    .fv-foot-btn:hover { color: var(--text-primary); border-color: var(--accent-primary); }
}

/* disabled step sliver */

.fv-col-off { width: 56px; opacity: 0.75; }

.fv-col-off-inner {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
}

.fv-col-off-inner .material-icons-outlined {
    color: var(--text-tertiary);
    font-size: 17px;
}

.fv-off-text {
    writing-mode: vertical-rl;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 10px;
    letter-spacing: 0.12em;
    color: var(--text-tertiary);
    text-transform: uppercase;
}

/* joins between steps (in-scene = silent cut) */

.fv-join {
    width: 20px;
    flex: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fv-join i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--fv-frame);
    box-shadow: 0 0 5px rgba(65,192,130,0.5);
}

.fv-join.warn i,
.fv-join.broken i {
    background: var(--fv-warn);
    box-shadow: 0 0 5px rgba(226,162,60,0.5);
}

/* Hard cut / pending — intentional or not-yet-joined: quiet grey, no glow */
.fv-join.cut i {
    background: var(--text-tertiary);
    box-shadow: none;
}

/* ghost add-step column */

.fv-ghost-col {
    width: 140px;
    flex: none;
    align-self: stretch;
    margin: 10px 0 10px 14px;
    border: 1.5px dashed var(--border-strong);
    border-radius: 12px;
    background: none;
    color: var(--text-tertiary);
    font: inherit;
    font-size: 12.5px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
}

.fv-ghost-plus { font-size: 22px; color: var(--text-secondary); line-height: 1; }

@media (hover: hover) {
    .fv-ghost-col:hover { border-color: var(--accent-primary); color: var(--text-secondary); }
}

/* ---------- frame deck ---------- */

.fv-frame-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 18px 10px;
    border: 1.5px dashed rgba(65,192,130,0.4);
    border-radius: 10px;
    background: rgba(65,192,130,0.04);
    color: var(--text-secondary);
    font: inherit;
    font-size: 12.5px;
    cursor: pointer;
    flex: none;
}

.fv-frame-empty .material-icons-outlined { color: var(--fv-frame); }
.fv-frame-empty small { color: var(--text-tertiary); font-size: 11px; }

.fv-frame-deck {
    border: 1px solid rgba(65,192,130,0.3);
    border-radius: 10px;
    background: rgba(65,192,130,0.04);
    padding: 7px 8px 8px;
    flex: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.fv-frame-deck-h {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 9.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--fv-frame);
    padding: 0 2px 2px;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.fv-frame-deck-h span {
    color: var(--text-tertiary);
    text-transform: none;
    letter-spacing: 0;
}

.fv-frame-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 6px;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
}

.fv-frame-row.sel {
    border-color: rgba(65,192,130,0.55);
    background: rgba(65,192,130,0.08);
}

.fv-frame-row.stale { opacity: 0.55; }

.fv-frame-thumb {
    width: 52px;
    height: 30px;
    border-radius: 5px;
    flex: none;
    border: 1px solid var(--border-strong);
    object-fit: cover;
    background: var(--bg-tertiary);
    display: block;
}

.fv-frame-meta {
    flex: 1;
    min-width: 0;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 10px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fv-frame-meta b { color: var(--text-primary); }

/* radios (green = frame / armed, accent = take / in the film) */

.fv-radio {
    width: 13px;
    height: 13px;
    border-radius: 50%;
    border: 1.5px solid var(--text-tertiary);
    flex: none;
    cursor: pointer;
}

.fv-radio.sel {
    border-color: var(--accent-primary);
    background: radial-gradient(circle at center, var(--accent-primary) 0 3.5px, transparent 4px);
}

.fv-radio.disabled { opacity: 0.4; cursor: default; }

.fv-radio-frame.sel {
    border-color: var(--fv-frame);
    background: radial-gradient(circle at center, var(--fv-frame) 0 3.5px, transparent 4px);
}

/* frame deck — pending / error / actions (milestone 2) */

.fv-frame-row.pending, .fv-frame-row.err { cursor: default; }

.fv-frame-thumb-busy {
    background:
        repeating-linear-gradient(-45deg, rgba(226,162,60,0.14) 0 8px, transparent 8px 16px),
        var(--bg-tertiary);
}

.fv-frame-thumb-err {
    display: grid;
    place-items: center;
    color: #e0605f;
    font-weight: 700;
    background: var(--bg-tertiary);
}

.fv-frame-op {
    display: block;
    color: var(--fv-warn);
}

.fv-stale-i, .fv-stale-b {
    font-style: normal;
    font-size: 8.5px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    color: var(--fv-warn);
    border: 1px solid rgba(226,162,60,0.4);
    border-radius: 4px;
    padding: 0 4px;
    flex: none;              /* never clipped — the label text ellipsizes instead */
    line-height: 1.6;
}

.fv-frame-x {
    background: none;
    border: 0;
    color: var(--text-tertiary);
    font-size: 11px;
    cursor: pointer;
    padding: 0 2px;
    flex: none;
}

.fv-fd-actions {
    display: flex;
    gap: 5px;
    padding-top: 3px;
}

.fv-fd-btn {
    flex: 1;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 9px;
    color: var(--text-secondary);
    background: transparent;
    border: 1px dashed rgba(65,192,130,0.35);
    border-radius: 6px;
    padding: 5px 2px;
    cursor: pointer;
    white-space: nowrap;
}

@media (hover: hover) {
    .fv-fd-btn:hover { color: var(--text-primary); border-color: var(--fv-frame); }
    .fv-frame-row [data-action="openStudio"]:hover { outline: 1.5px solid var(--fv-frame); }
}

/* small anchored menu */

.fv-menu-pop {
    position: fixed;
    z-index: 1350;
    background: var(--bg-secondary, #111);
    border: 1px solid var(--border-strong, rgba(255,255,255,0.14));
    border-radius: 10px;
    padding: 5px;
    display: flex;
    flex-direction: column;
    min-width: 190px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.fv-menu-pop .fv-menu-head {
    font-size: 11px;
    color: var(--text-tertiary);
    padding: 7px 11px 6px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 4px;
    max-width: 260px;
}

.fv-menu-pop .fv-menu-head.matched { color: var(--fv-frame); }
.fv-menu-pop .fv-menu-head.broken, .fv-menu-pop .fv-menu-head.skip { color: var(--fv-warn); }

.fv-menu-pop button {
    font: inherit;
    font-size: 13px;
    text-align: left;
    background: none;
    border: 0;
    color: var(--text-primary);
    padding: 8px 11px;
    border-radius: 7px;
    cursor: pointer;
}

.fv-menu-pop button:disabled { color: var(--text-tertiary); cursor: not-allowed; }

@media (hover: hover) {
    .fv-menu-pop button:not(:disabled):hover { background: var(--accent-light); }
}

/* toolbar auto-prep toggle */

.fv-autoprep-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}

.fv-autoprep-toggle input { accent-color: var(--fv-frame); }

/* ---------- frame studio ---------- */

.fv-studio-overlay {
    position: fixed;
    inset: 0;
    z-index: 1300;
    background: rgba(0,0,0,0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.fv-studio {
    display: flex;
    max-width: min(96vw, 1280px);
    max-height: min(90vh, 90dvh);
    background: var(--bg-secondary);
    border: 1px solid var(--border-strong);
    border-radius: 14px;
    overflow: hidden;
}

.fv-studio-view {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0b0b0e;
}

.fv-studio-img {
    max-width: 100%;
    max-height: min(84vh, 84dvh);
    display: block;
    object-fit: contain;
}

.fv-ab {
    position: relative;
    max-width: 100%;
    max-height: min(84vh, 84dvh);
    line-height: 0;
    cursor: ew-resize;
    touch-action: none;      /* pointer-drag owns horizontal gestures */
    user-select: none;
}

.fv-ab:focus-visible { outline: 2px solid var(--accent-primary); outline-offset: 2px; }

.fv-ab img {
    max-width: 100%;
    max-height: min(84vh, 84dvh);
    display: block;
    object-fit: contain;
}

.fv-ab-overwrap {
    position: absolute;
    inset: 0;
    clip-path: inset(0 50% 0 0);
}

.fv-ab-overwrap img { width: 100%; height: 100%; object-fit: contain; }

.fv-ab-lbl {
    position: absolute;
    top: 8px;
    z-index: 2;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 10px;
    color: #fff;
    background: rgba(0,0,0,0.6);
    padding: 3px 8px;
    border-radius: 6px;
}

.fv-ab-lbl.left { left: 8px; }
.fv-ab-lbl.right { right: 8px; text-align: right; max-width: 60%; }

.fv-ab-lbl small {
    display: block;
    font-size: 9px;
    color: rgba(255,255,255,0.75);
    line-height: 1.5;
    margin-top: 2px;
    white-space: normal;
}

.fv-ab-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #fff;
    z-index: 2;
    pointer-events: none;
    box-shadow: 0 0 8px rgba(0,0,0,0.6);
}

.fv-ab-handle::after {
    content: '◂ ▸';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    color: #111;
    font-size: 9px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    padding: 3px 6px;
    border-radius: 99px;
    white-space: nowrap;
}

.fv-studio-rail {
    width: 250px;
    flex: none;
    border-left: 1px solid var(--border-color);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
}

.fv-studio-h { font-weight: 650; font-size: 14.5px; margin: 0; }

.fv-studio-sub {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 10.5px;
    color: var(--text-secondary);
    margin: 4px 0 0;
}

.fv-studio-actions {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.fv-studio-actions .fv-btn { text-align: left; }

.fv-studio-enh { display: flex; flex-direction: column; gap: 5px; }

.fv-studio-strength {
    display: flex;
    align-items: center;
    gap: 7px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 10px;
    color: var(--text-tertiary);
}

.fv-studio-strength input { flex: 1; accent-color: var(--accent-primary); }

.fv-studio-note {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 9.5px;
    color: var(--text-tertiary);
    line-height: 1.6;
}

@media (max-width: 820px) {
    .fv-studio { flex-direction: column; overflow-y: auto; }
    .fv-studio-rail { width: 100%; border-left: 0; border-top: 1px solid var(--border-color); }
}

/* ---------- takes ---------- */

.fv-sect-div {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 9.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    padding: 4px 2px 0;
    flex: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

.fv-sect-div::after {
    content: '';
    flex: 1;
    border-top: 1px solid var(--border-color);
}

.fv-takes-empty {
    color: var(--text-tertiary);
    font-size: 12px;
    padding: 10px 4px;
    flex: none;
}

.fv-take {
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-strong);
    flex: none;
}

.fv-take.on {
    border-color: transparent;
    box-shadow: 0 0 0 2px var(--accent-primary);
}

.fv-take.pending { opacity: 0.85; }

.fv-thumb {
    aspect-ratio: 16/9;
    position: relative;
    background: #16161c;
    cursor: pointer;
}

.fv-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.fv-thumb .fv-tag {
    position: absolute;
    left: 6px;
    top: 5px;
    font-size: 8.5px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    letter-spacing: 0.06em;
    color: #fff;
    background: rgba(0,0,0,0.55);
    padding: 2px 6px;
    border-radius: 5px;
    text-transform: uppercase;
}

.fv-thumb .fv-tag.acc { background: var(--accent-primary); }

.fv-thumb .fv-play {
    position: absolute;
    right: 6px;
    bottom: 5px;
    font-size: 9px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    color: #fff;
    background: rgba(0,0,0,0.55);
    padding: 2px 6px;
    border-radius: 5px;
}

.fv-thumb-gen {
    cursor: default;
    background: repeating-linear-gradient(-45deg, #1d1d25 0 12px, #22222c 12px 24px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.fv-gen-bar {
    position: absolute;
    left: 12%;
    right: 12%;
    top: 42%;
    height: 4px;
    border-radius: 3px;
    background: rgba(255,255,255,0.1);
    overflow: hidden;
}

.fv-gen-bar i {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    border-radius: 3px;
    background: var(--fv-warn);
    transition: width 1s linear;
}

.fv-gen-label {
    position: absolute;
    left: 0;
    right: 0;
    top: 56%;
    text-align: center;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 10px;
    color: var(--text-secondary);
}

.fv-thumb-err {
    cursor: default;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px;
}

.fv-thumb-err .material-icons-outlined { color: #e0605f; }

.fv-thumb-err-msg {
    font-size: 10.5px;
    color: var(--text-tertiary);
    text-align: center;
    max-height: 42px;
    overflow: hidden;
}

.fv-take-row {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 6px 9px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 10px;
    color: var(--text-secondary);
}

.fv-take-meta {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fv-vchip {
    font-size: 8.5px;
    color: var(--fv-frame);
    border: 1px solid rgba(65,192,130,0.4);
    border-radius: 4px;
    padding: 0 4px;
    flex: none;
}

.fv-vchip.stale {
    color: var(--fv-warn);
    border-color: rgba(226,162,60,0.4);
}

.fv-star {
    background: none;
    border: 0;
    color: var(--text-tertiary);
    font-size: 13px;
    cursor: pointer;
    padding: 0 2px;
    flex: none;
    line-height: 1;
}

.fv-star.on { color: #e8c04a; }

.fv-take-x {
    background: none;
    border: 0;
    color: var(--text-tertiary);
    font-size: 11px;
    cursor: pointer;
    padding: 0 2px;
    flex: none;
}

.fv-take-restore {
    background: none;
    border: 0;
    color: var(--fv-frame);
    font-size: 12px;
    cursor: pointer;
    padding: 0 2px;
    flex: none;
    line-height: 1;
}

@media (hover: hover) {
    .fv-take-x:hover, .fv-star:hover { color: var(--text-primary); }
}

/* ---------- milestone 3: scenes, seams, menus, focus, sort ---------- */

.fv-scene.folded { align-self: flex-start; }
.fv-scene.folded .fv-scene-h { border-bottom: 0; }

.fv-scene-fold, .fv-scene-menu, .fv-step-menu {
    background: none;
    border: 0;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: 12px;
    padding: 2px 5px;
    flex: none;
    line-height: 1;
}

.fv-scene-menu { margin-left: auto; }
.fv-step-menu { font-size: 14px; }

@media (hover: hover) {
    .fv-scene-fold:hover, .fv-scene-menu:hover, .fv-step-menu:hover { color: var(--text-primary); }
    .fv-scene-name[data-action]:hover, .fv-step-title[data-action]:hover { color: var(--accent-primary); }
}

.fv-scene-name[data-action], .fv-step-title[data-action] { cursor: pointer; }
.fv-title-hint { font-style: normal; color: var(--text-tertiary); font-weight: 400; }

/* scene boundary seam */

.fv-scene-seam {
    width: 74px;
    flex: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 7px;
    position: relative;
}

.fv-scene-seam::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 16%;
    bottom: 16%;
    border-left: 1.5px dashed rgba(226,162,60,0.35);
}

.fv-seam-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    position: relative;
    z-index: 1;
    background: var(--fv-warn);
    box-shadow: 0 0 6px rgba(226,162,60,0.6);
}

.fv-seam-dot.cut { background: var(--text-tertiary); box-shadow: none; }

.fv-seam-chip {
    position: relative;
    z-index: 1;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 9px;
    line-height: 1.4;
    text-align: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    padding: 5px 9px;
    color: var(--text-secondary);
    cursor: pointer;
}

.fv-seam-chip b { display: block; color: var(--text-primary); font-size: 10px; }

@media (hover: hover) {
    .fv-seam-chip:hover { border-color: var(--accent-primary); }
    .fv-join[data-action]:hover i { transform: scale(1.5); }
}

.fv-join { cursor: pointer; }
.fv-join i { transition: transform 120ms ease; }

/* keyboard focus */

.fv-col.focused { outline: 2px solid rgba(109,112,245,0.55); outline-offset: 2px; }
.fv-take.focused { outline: 2px dashed rgba(109,112,245,0.7); outline-offset: 1px; }

/* sort + dialogs */

.fv-sort-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-tertiary);
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 9px;
    padding: 1px 7px;
    cursor: pointer;
    flex: none;
}

@media (hover: hover) {
    .fv-sort-btn:hover { color: var(--text-primary); border-color: var(--border-strong); }
}

.fv-dlg-input {
    width: 100%;
    font: inherit;
    font-size: 16px;                     /* iOS: prevent input zoom */
    background: var(--bg-primary, #0a0a0a);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    padding: 9px 11px;
}

.fv-dlg-body { color: var(--text-secondary); font-size: 13.5px; margin: 0; }

.fv-export-bar {
    height: 6px;
    border-radius: 4px;
    background: var(--bg-tertiary);
    overflow: hidden;
    margin: 6px 0;
}

.fv-export-bar i {
    display: block;
    height: 100%;
    border-radius: 4px;
    background: var(--accent-primary);
    transition: width 800ms ease;
}

/* strip scene joins */

.fv-strip-join.scene {
    width: auto;
    min-width: 26px;
    height: auto;
    background: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.fv-strip-join.scene .bar { width: 2px; height: 26px; background: var(--fv-warn); }
.fv-strip-join.scene i {
    font-style: normal;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 8px;
    color: var(--fv-warn);
}

/* ---------- filmstrip ---------- */

.fv-strip {
    flex: none;
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    min-height: 76px;
}

.fv-strip-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    overflow-x: auto;
    scrollbar-width: thin;
    flex: 1;
}

/* ---------- named cuts (tab row above the strip; appears with the 2nd cut) ---------- */

.fv-cuts {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    padding: 8px 14px 0;
}

.fv-cuts-label {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 9.5px;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-right: 2px;
}

.fv-cut-tab {
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 11.5px;
    line-height: 1;
    padding: 5px 11px;
    border-radius: 999px;
    cursor: pointer;
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: border-color 0.12s, color 0.12s;
}

.fv-cut-tab.sel {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.fv-cut-tab i {
    font-style: normal;
    color: var(--text-tertiary);
    margin-left: 3px;
}

.fv-cut-add {
    border: 1px dashed var(--border-color);
    background: transparent;
    color: var(--text-tertiary);
    font-size: 12px;
    line-height: 1;
    padding: 4px 9px;
    border-radius: 999px;
    cursor: pointer;
}

.fv-cut-mini {
    flex: none;
    border: 1px dashed var(--border-color);
    background: transparent;
    color: var(--text-tertiary);
    font-size: 10.5px;
    line-height: 1;
    padding: 5px 10px;
    border-radius: 999px;
    cursor: pointer;
}

@media (hover: hover) {
    .fv-cut-tab:hover { border-color: var(--accent-primary); color: var(--text-primary); }
    .fv-cut-add:hover, .fv-cut-mini:hover { color: var(--text-secondary); border-color: var(--text-tertiary); }
}

.fv-strip-empty {
    color: var(--text-tertiary);
    font-size: 12.5px;
    padding: 8px 4px;
}

.fv-strip-play {
    width: 38px;
    height: 38px;
    flex: none;
    border-radius: 50%;
    background: var(--accent-primary);
    border: 0;
    display: grid;
    place-items: center;
    color: #fff;
    cursor: pointer;
}

.fv-strip-track {
    display: flex;
    align-items: center;
    flex: none;
}

.fv-strip-cell {
    width: 88px;
    aspect-ratio: 16/9;
    position: relative;
    overflow: hidden;
    flex: none;
    cursor: pointer;
    background: var(--bg-tertiary);
}

.fv-strip-cell:first-child { border-radius: 7px 0 0 7px; }
.fv-strip-cell:last-child { border-radius: 0 7px 7px 0; }

.fv-strip-cell img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.fv-strip-d {
    position: absolute;
    right: 4px;
    bottom: 3px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 8.5px;
    color: #fff;
    background: rgba(0,0,0,0.55);
    padding: 1px 5px;
    border-radius: 4px;
}

.fv-strip-join {
    width: 2px;
    height: 34px;
    background: var(--fv-frame);
    flex: none;
}

.fv-strip-join.broken { background: var(--fv-warn); }
.fv-strip-join.hard { background: var(--text-tertiary); }

/* Fixed (non-interactive) frame tile — the bridge dialog's end frame */
.fv-dlg-frame.fixed { cursor: default; }

.fv-strip-meta {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 10.5px;
    color: var(--text-tertiary);
    line-height: 1.6;
    flex: none;
    display: flex;
    flex-direction: column;
}

.fv-strip-meta b { color: var(--text-secondary); }

/* ---------- player overlay ---------- */

.fv-player-overlay {
    position: fixed;
    inset: 0;
    z-index: 1300;
    background: rgba(0,0,0,0.88);
    display: flex;
    align-items: center;
    justify-content: center;
}

.fv-player {
    position: relative;
    max-width: min(92vw, 1100px);
}

.fv-player video {
    display: block;
    max-width: 92vw;
    max-height: 80vh;
    border-radius: 10px;
    background: #000;
}

.fv-player video.fv-player-back {
    position: absolute;
    inset: 0;
    visibility: hidden;
}

.fv-player-hud {
    position: absolute;
    top: -38px;
    right: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.fv-player-pos {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 12px;
    color: rgba(255,255,255,0.7);
}

.fv-player-close {
    background: rgba(255,255,255,0.1);
    border: 0;
    color: #fff;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 13px;
}

/* ---------- generate dialog ---------- */

.fv-dlg-overlay {
    position: fixed;
    inset: 0;
    z-index: 1300;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.fv-dlg {
    width: min(460px, 100%);
    max-height: min(86vh, 86dvh);
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-strong);
    border-radius: 14px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.fv-dlg-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.fv-dlg-label {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin: 6px 0 0;
}

.fv-dlg-labelnote {
    text-transform: none;
    letter-spacing: 0;
    color: var(--text-tertiary);
    opacity: 0.8;
}

.fv-dlg-frames {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.fv-dlg-frame {
    width: 76px;
    border: 1.5px solid var(--border-strong);
    border-radius: 8px;
    background: var(--bg-tertiary);
    padding: 0 0 3px;
    cursor: pointer;
    color: var(--text-secondary);
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 10px;
    overflow: hidden;
}

.fv-dlg-frame img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    display: block;
    margin-bottom: 3px;
}

.fv-dlg-frame.sel {
    border-color: var(--fv-frame);
    color: var(--text-primary);
}

.fv-dlg-prompt {
    width: 100%;
    font: inherit;
    font-size: 16px;                     /* iOS: prevent input zoom */
    background: var(--bg-primary, #0a0a0a);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    padding: 9px 11px;
    resize: vertical;
    min-height: 68px;
}

.fv-dlg-model {
    font: inherit;
    font-size: 16px;                     /* iOS: prevent input zoom */
    background: var(--bg-primary, #0a0a0a);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    padding: 8px 10px;
}

.fv-dlg-chips {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.fv-chip {
    font: inherit;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 12px;
    padding: 6px 14px;
    border-radius: 7px;
    border: 1px solid var(--border-strong);
    color: var(--text-secondary);
    background: var(--bg-primary, #0a0a0a);
    cursor: pointer;
}

.fv-chip.sel {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    background: var(--accent-light);
}

.fv-dlg-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 10px;
}

/* ---------- enhance dialog (multi-select) ---------- */

.fv-dlg-wide { width: min(560px, 100%); }

.fv-enh-methods {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.fv-enh-row {
    display: grid;
    grid-template-columns: 18px 128px 1fr;
    gap: 4px 10px;
    align-items: baseline;
    padding: 9px 11px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-primary, #0a0a0a);
    cursor: pointer;
}

.fv-enh-row:has(input:checked) {
    border-color: var(--accent-primary);
    background: var(--accent-light);
}

.fv-enh-row input[type="checkbox"] { accent-color: var(--accent-primary); }

.fv-enh-name { font-weight: 600; font-size: 13.5px; white-space: nowrap; }
.fv-enh-name i {
    font-style: normal;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 9px;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
    border-radius: 4px;
    padding: 0 4px;
    margin-left: 4px;
    vertical-align: 1px;
}

.fv-enh-desc { color: var(--text-secondary); font-size: 12px; min-width: 0; }

.fv-enh-param {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 5px;
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 10.5px;
    color: var(--text-tertiary);
}

.fv-enh-param input[type="range"] { width: 110px; accent-color: var(--accent-primary); }
.fv-enh-param b { color: var(--text-secondary); font-weight: 600; }

.fv-chip.mini { font-size: 10.5px; padding: 3px 9px; }

.fv-enh-instr {
    flex: 1;
    min-width: 160px;
    font: inherit;
    font-size: 16px;                     /* iOS: prevent input zoom */
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
    border-radius: 7px;
    padding: 6px 9px;
}

.fv-enh-engine {
    font: inherit;
    font-size: 12px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
    border-radius: 7px;
    padding: 5px 7px;
}

/* ---------- mobile ---------- */

@media (max-width: 768px) {
    .fv-col { width: 210px; }
    .fv-scene-row { padding: 8px; }
    .fv-board { padding: 10px; }
    .fv-strip-cell { width: 76px; }
    .fv-launcher-card { width: 100%; max-width: 300px; }
}

/* ---------- tutorial + shortcuts dialogs ---------- */

.fv-top-help {
    background: none;
    border: 0;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    padding: 4px;
}
.fv-top-help .material-icons-outlined { font-size: 19px; }
@media (hover: hover) {
    .fv-top-help:hover { color: var(--accent-primary); }
}

.fv-launcher-tour {
    margin-top: 18px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    font: inherit;
    font-size: 13px;
    color: var(--text-secondary);
}
@media (hover: hover) {
    .fv-launcher-tour:hover { color: var(--accent-primary); }
}
.fv-launcher-tour .material-icons-outlined { font-size: 17px; }

.fv-dlg-tut { width: min(760px, 96vw); }
.fv-dlg-sc { width: min(520px, 96vw); }

.fv-tut {
    display: grid;
    grid-template-columns: 172px 1fr;
    gap: 16px;
    height: min(500px, 60vh);
    overflow: hidden;
}
.fv-tut-side,
.fv-tut-body { min-height: 0; }
.fv-tut-side {
    display: flex;
    flex-direction: column;
    gap: 3px;
    border-right: 1px solid var(--border-color, rgba(255,255,255,0.1));
    padding-right: 12px;
    overflow-y: auto;
}
.fv-tut-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: none;
    border: none;
    border-radius: 7px;
    color: var(--text-secondary);
    font-size: 12.5px;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
}
.fv-tut-nav .material-icons-outlined { font-size: 17px; }
@media (hover: hover) {
    .fv-tut-nav:hover { background: var(--bg-tertiary, rgba(255,255,255,0.06)); color: var(--text-primary); }
}
.fv-tut-nav[aria-pressed="true"] {
    background: var(--accent-light, rgba(99,102,241,0.14));
    color: var(--accent-primary);
}
.fv-tut-body {
    overflow-y: auto;
    padding-right: 6px;
    padding-bottom: 8px;
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.55;
}
.fv-tut-body h3 { margin: 0 0 10px; font-size: 16px; color: var(--text-primary); }
.fv-tut-body p { margin: 0 0 10px; }
.fv-tut-body ul { margin: 0 0 10px; padding-left: 20px; }
.fv-tut-body li { margin-bottom: 6px; }
.fv-tut-body b, .fv-tut-body i { color: var(--text-primary); }
.fv-tut-body kbd,
.fv-sc-grid kbd {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 11px;
    background: var(--bg-tertiary, rgba(255,255,255,0.08));
    border: 1px solid var(--border-color, rgba(255,255,255,0.2));
    border-bottom-width: 2px;
    border-radius: 4px;
    padding: 0 5px;
    color: var(--text-primary);
    white-space: nowrap;
}
.fv-tut-tip {
    background: var(--accent-light, rgba(99,102,241,0.12));
    border-left: 3px solid var(--accent-primary);
    border-radius: 0 7px 7px 0;
    padding: 8px 12px;
    color: var(--text-primary);
}
.fv-tut-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    vertical-align: -1px;
}
.fv-tut-dot.green { background: #22c55e; }
.fv-tut-dot.indigo { background: var(--accent-primary, #6366f1); }
.fv-tut-demo {
    display: block;
    width: 100%;
    max-width: 460px;
    margin: 6px 0 14px;
    background: #101014;
    border: 1px solid var(--border-color, rgba(255,255,255,0.1));
    border-radius: 10px;
}
.fv-tut-try { margin-top: 2px; display: inline-flex; align-items: center; gap: 4px; }
.fv-tut-try .material-icons-outlined { font-size: 16px; color: var(--accent-primary); }

.fv-tut-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: 12px;
    border-top: 1px solid var(--border-color, rgba(255,255,255,0.1));
    padding-top: 10px;
}
.fv-tut-footer-r { display: flex; gap: 8px; }
.fv-tut-count {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 11.5px;
    color: var(--text-secondary);
}
.fv-tut-footer .fv-btn:disabled { opacity: 0.4; cursor: default; }

.fv-sc-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 14px;
    align-items: center;
    font-size: 13px;
}
.fv-sc-grid kbd { padding: 2px 7px; justify-self: start; }
.fv-sc-grid span { color: var(--text-secondary); }

@media (max-width: 640px) {
    .fv-tut { grid-template-columns: 1fr; height: min(64vh, 560px); }
    .fv-tut-side {
        flex-direction: row;
        flex-wrap: wrap;
        border-right: none;
        border-bottom: 1px solid var(--border-color, rgba(255,255,255,0.1));
        padding: 0 0 8px;
    }
    .fv-sc-grid { grid-template-columns: 1fr; gap: 2px 0; }
    .fv-sc-grid span { margin-bottom: 8px; }
}