/* ================================================================
   PRESENTATION MODE — F2 UI Shell
   Namespace: .presentation-*
   Spec: docs/specs/features/SPEC_PRESENTATION_MODE.md §6
   ================================================================ */

/* ----------------------------------------------------------------
   SHARED OVERLAY BASE
   ---------------------------------------------------------------- */

.presentation-overlay {
    position: fixed;
    inset: 0;
    z-index: 9500;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(3px);
}

/* ----------------------------------------------------------------
   MODAL CRUD (§6.1)
   ---------------------------------------------------------------- */

.presentation-modal {
    display: none;
}

.presentation-modal__panel {
    background: var(--window-bg, #1e2128);
    border: 1px solid var(--window-border, rgba(255, 255, 255, 0.1));
    border-radius: var(--radius-xl, 12px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
    width: 560px;
    max-width: 92vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.presentation-modal__panel--step {
    width: 480px;
}

.presentation-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--window-border, rgba(255, 255, 255, 0.08));
}

.presentation-modal__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--window-text, #e0e0e0);
}

.presentation-modal__close {
    background: transparent;
    border: none;
    color: var(--window-text-muted, #aaa);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: var(--radius-md, 6px);
    transition: color 0.15s ease, background 0.15s ease;
}

.presentation-modal__close:hover {
    color: var(--window-text, #e0e0e0);
    background: var(--window-hover, rgba(255, 255, 255, 0.06));
}

.presentation-modal__body {
    padding: 14px 18px;
    overflow-y: auto;
    flex: 1;
}

.presentation-modal__footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 18px;
    border-top: 1px solid var(--window-border, rgba(255, 255, 255, 0.08));
}

/* ----------------------------------------------------------------
   CARD LIST (§6.1)
   ---------------------------------------------------------------- */

.presentation-modal__list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.presentation-card {
    background: var(--window-input-bg, rgba(0, 0, 0, 0.25));
    border: 1px solid var(--window-border, rgba(255, 255, 255, 0.08));
    border-radius: var(--radius-lg, 8px);
    padding: 12px 14px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.presentation-card:hover {
    border-color: var(--primary-500, #4a8a9a);
    background: var(--window-hover, rgba(255, 255, 255, 0.04));
}

.presentation-card__info {
    flex: 1;
    min-width: 0;
}

.presentation-card__title {
    font-size: 14px;
    font-weight: 500;
    color: var(--window-text, #e0e0e0);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.presentation-card__meta {
    font-size: 12px;
    color: var(--window-text-muted, #888);
    margin-top: 2px;
}

.presentation-card__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.presentation-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: #d9f5ff;
    background: rgba(79, 195, 247, 0.14);
    border: 1px solid rgba(79, 195, 247, 0.28);
}

.presentation-chip--muted {
    color: var(--window-text-muted, #c0c7d1);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.presentation-card__actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.presentation-card__editor {
    flex: 1 0 100%;
    margin-top: 10px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.presentation-card__editor-section + .presentation-card__editor-section {
    margin-top: 14px;
}

.presentation-card__editor-heading-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.presentation-card__editor-heading {
    font-size: 13px;
    font-weight: 600;
    color: var(--window-text, #e0e0e0);
}

.presentation-card__editor-copy {
    margin-top: 4px;
    font-size: 12px;
    line-height: 1.45;
    color: var(--window-text-muted, #888);
    max-width: clamp(320px, 90vw, 560px);
}

.presentation-card__editor-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.presentation-step-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.presentation-step-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
}

.presentation-step-row--empty {
    font-size: 12px;
    line-height: 1.5;
    color: var(--window-text-muted, #888);
    justify-content: flex-start;
}

.presentation-step-row__info {
    flex: 1;
    min-width: 0;
}

.presentation-step-row__title {
    font-size: 13px;
    font-weight: 600;
    color: var(--window-text, #e0e0e0);
}

.presentation-step-row__meta {
    margin-top: 3px;
    font-size: 12px;
    color: var(--window-text-muted, #888);
}

.presentation-step-row__annotation {
    margin-top: 6px;
    font-size: 12px;
    line-height: 1.45;
    color: var(--window-text-muted, #a5adba);
}

.presentation-step-row__actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

/* ----------------------------------------------------------------
   BUTTONS
   ---------------------------------------------------------------- */

.presentation-btn {
    padding: 8px 16px;
    border: 1px solid var(--window-border, rgba(255, 255, 255, 0.15));
    border-radius: var(--radius-lg, 8px);
    background: var(--window-input-bg, rgba(0, 0, 0, 0.3));
    color: var(--window-text, #e0e0e0);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.presentation-btn:hover {
    background: var(--window-hover, rgba(255, 255, 255, 0.06));
    border-color: var(--primary-500, #4a8a9a);
}

.presentation-btn--primary {
    background: var(--primary-600, #3b6b7a);
    border-color: var(--primary-500, #4a8a9a);
    color: #fff;
}

.presentation-btn--primary:hover {
    background: var(--primary-500, #4a8a9a);
}

.presentation-btn--success {
    background: var(--success, #22c55e);
    border-color: var(--success, #22c55e);
    color: #fff;
}

.presentation-btn--success:hover {
    background: #16a34a;
}

.presentation-btn--danger {
    background: var(--error, #ef4444);
    border-color: var(--error, #ef4444);
    color: #fff;
}

.presentation-btn--danger:hover {
    background: #dc2626;
}

.presentation-btn--ghost {
    background: transparent;
    border-color: transparent;
    color: var(--window-text-muted, #aaa);
}

.presentation-btn--ghost:hover {
    color: var(--window-text, #e0e0e0);
    background: var(--window-hover, rgba(255, 255, 255, 0.06));
}

.presentation-btn--sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* ----------------------------------------------------------------
   FORM FIELDS (§6.3)
   ---------------------------------------------------------------- */

.presentation-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

.presentation-field__label {
    font-size: 12px;
    font-weight: 500;
    color: var(--window-text-muted, #aaa);
}

.presentation-field__input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--window-border, rgba(255, 255, 255, 0.15));
    border-radius: var(--radius-md, 6px);
    background: var(--window-input-bg, rgba(0, 0, 0, 0.3));
    color: var(--window-text, #e0e0e0);
    font-size: 13px;
    font-family: inherit;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.presentation-field__input:focus {
    border-color: var(--primary-500, #4a8a9a);
    box-shadow: 0 0 0 2px rgba(74, 138, 154, 0.25);
}

.presentation-field__input--area {
    resize: vertical;
    min-height: 48px;
}

.presentation-field__hint {
    margin: -4px 0 12px;
    font-size: 12px;
    line-height: 1.45;
    color: var(--window-text-muted, #888);
}

.presentation-field__row {
    display: flex;
    gap: 10px;
}

.presentation-field__row > .presentation-field {
    flex: 1;
    margin-bottom: 0;
}

.presentation-field__grid {
    display: grid;
    gap: 10px;
}

.presentation-field__grid--quad {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.presentation-radio-group {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.presentation-radio {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--window-text, #e0e0e0);
    cursor: pointer;
}

.presentation-radio input[type="radio"] {
    accent-color: var(--primary-500, #4a8a9a);
}

/* ----------------------------------------------------------------
   HUD RECORDER (§6.2)
   ---------------------------------------------------------------- */

.presentation-hud {
    position: fixed;
    z-index: 9600;
}

.presentation-hud--recorder {
    bottom: 20px;
    right: 20px;
    width: 280px;
    background: var(--window-bg, #1e2128);
    border: 1px solid var(--window-border, rgba(255, 255, 255, 0.12));
    border-radius: var(--radius-xl, 12px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.presentation-hud__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--error, #ef4444);
}

.presentation-hud__pulse {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--error, #ef4444);
    animation: presentation-pulse 1.2s ease-in-out infinite;
}

@keyframes presentation-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.15); }
}

.presentation-hud__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--window-text, #e0e0e0);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.presentation-hud__meta {
    font-size: 12px;
    color: var(--window-text-muted, #888);
    display: flex;
    gap: 8px;
    align-items: center;
}

.presentation-hud__divider {
    opacity: 0.4;
}

/* F7 Captions overlay — bottom center do player */
.presentation-player__caption {
    position: absolute;
    left: 50%;
    bottom: 96px;
    transform: translateX(-50%);
    max-width: 80%;
    padding: 10px 16px;
    background: rgba(0, 0, 0, 0.72);
    color: #fff;
    font-size: 17px;
    line-height: 1.4;
    text-align: center;
    border-radius: 6px;
    pointer-events: none;
    z-index: 10;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.9);
}

/* Fix #5 (2026-04-18): warning se > 10 steps (best practice 3-5 ideal) */
.presentation-hud__warn-steps {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 8px 10px;
    margin-top: 8px;
    background: rgba(255, 196, 0, 0.12);
    border-left: 3px solid #ffc400;
    border-radius: 4px;
    font-size: 12px;
    line-height: 1.4;
    color: var(--window-text, #ccc);
}

.presentation-hud__warn-icon {
    font-size: 14px;
    flex-shrink: 0;
    color: #ffc400;
}

.presentation-hud__warn-text {
    flex: 1;
}

.presentation-hud__last {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--window-text-muted, #888);
}

.presentation-hud__last-label {
    font-weight: 500;
}

.presentation-hud__last-value {
    color: var(--window-text, #e0e0e0);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.presentation-hud__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
}

/* ----------------------------------------------------------------
   PLAYER OVERLAY (§6.4)
   ---------------------------------------------------------------- */

.presentation-player {
    display: none;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 24px;
}

.presentation-player__panel {
    background: var(--window-bg, #1e2128);
    border: 1px solid var(--window-border, rgba(255, 255, 255, 0.12));
    border-radius: var(--radius-xl, 12px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55);
    width: 520px;
    max-width: 92vw;
    padding: 14px 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.presentation-player__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.presentation-player__step-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.presentation-player__counter {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-400, #5fa3b3);
    white-space: nowrap;
}

.presentation-player__step-label {
    font-size: 13px;
    color: var(--window-text, #e0e0e0);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.presentation-player__header-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.presentation-player__nav-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--window-text-muted, #aaa);
    font-size: 14px;
    padding: 4px 8px;
    border-radius: var(--radius-md, 6px);
    cursor: pointer;
    transition: all 0.15s ease;
}

.presentation-player__nav-btn:hover {
    color: var(--window-text, #e0e0e0);
    background: var(--window-hover, rgba(255, 255, 255, 0.06));
    border-color: var(--window-border, rgba(255, 255, 255, 0.1));
}

.presentation-player__progress-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.presentation-player__progress-bar {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    overflow: hidden;
}

.presentation-player__progress-fill {
    height: 100%;
    background: var(--primary-500, #4a8a9a);
    border-radius: 999px;
    transition: width 0.3s ease;
}

.presentation-player__time {
    font-size: 11px;
    color: var(--window-text-muted, #888);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.presentation-player__controls {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.presentation-player__annotation {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 12px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-lg, 8px);
    font-size: 12px;
    color: var(--window-text-muted, #bbb);
    line-height: 1.45;
}

.presentation-player__annotation-icon {
    flex-shrink: 0;
    font-size: 14px;
}

.presentation-player__annotation-text {
    word-break: break-word;
}

.presentation-modal__panel--export {
    width: min(980px, calc(100vw - 48px));
}

.presentation-export {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
    gap: 18px;
    align-items: start;
}

.presentation-export__media,
.presentation-export__controls {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.presentation-export__preview {
    width: 100%;
    max-height: 62vh;
    border-radius: 12px;
    background: #000;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.presentation-export__meta,
.presentation-export__notes {
    font-size: 12px;
    color: var(--window-text-muted, #b7bec8);
    line-height: 1.45;
}

.presentation-field--inline {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
}

#main-area.presentation-playback-active {
    isolation: isolate;
}

.presentation-playback-viewport {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    transform-origin: top left;
    will-change: transform;
    transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

#main-area.presentation-playback-clipped .presentation-playback-viewport {
    pointer-events: none;
}

/* ----------------------------------------------------------------
   RESPONSIVE (<768px)
   ---------------------------------------------------------------- */

@media (max-width: 767px) {
    .presentation-hud--recorder {
        left: 12px;
        right: 12px;
        bottom: 12px;
        width: auto;
    }

    .presentation-player__panel {
        width: auto;
        left: 12px;
        right: 12px;
        bottom: 12px;
    }

    .presentation-modal__panel {
        width: auto;
        max-height: 92vh;
        margin: 12px;
    }

    .presentation-export {
        grid-template-columns: 1fr;
    }

    .presentation-field__row {
        flex-direction: column;
        gap: 0;
    }

    .presentation-field__grid--quad {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .presentation-card__editor-heading-row,
    .presentation-step-row {
        flex-direction: column;
    }

    .presentation-step-row__actions {
        justify-content: flex-start;
    }
}

/* ----------------------------------------------------------------
   LIGHT THEME
   ---------------------------------------------------------------- */

[data-theme="light"] .presentation-modal__panel,
[data-theme="light"] .presentation-hud--recorder,
[data-theme="light"] .presentation-player__panel {
    background: #fff;
    border-color: rgba(0, 0, 0, 0.1);
    color: #1a1a1a;
}

[data-theme="light"] .presentation-modal__title,
[data-theme="light"] .presentation-hud__title,
[data-theme="light"] .presentation-player__step-label {
    color: #1a1a1a;
}

[data-theme="light"] .presentation-card {
    background: #f6f7f9;
    border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .presentation-field__input,
[data-theme="light"] .presentation-btn:not(.presentation-btn--primary):not(.presentation-btn--success):not(.presentation-btn--danger) {
    background: #f5f5f5;
    border-color: rgba(0, 0, 0, 0.12);
    color: #1a1a1a;
}

[data-theme="light"] .presentation-player__progress-bar {
    background: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .presentation-player__annotation {
    background: rgba(0, 0, 0, 0.04);
}

/* ===== Launch Video engine — procedural scene plan overlay =====
   Spec: docs/specs/features/SPEC_PRESENTATION_MODE_LAUNCH_VIDEO.md
   Blocks are positioned via inline style using normalized 0-1 coords from
   compositionPolicy.planComposition(). Typography scales via --fs custom prop. */

.presentation-player__scene-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 8500;
    overflow: hidden;
}

.presentation-player__scene-overlay[aria-hidden="true"] {
    display: none;
}

.presentation-scene-block {
    position: absolute;
    color: #ffffff;
    font-weight: 600;
    line-height: 1.25;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.85), 0 1px 2px rgba(0, 0, 0, 0.9);
    padding: 0.4em 0.6em;
    border-radius: 6px;
    font-size: calc(20px * var(--fs, 1));
    letter-spacing: 0.01em;
    transition: opacity 0.35s ease, transform 0.35s ease;
    animation: presentation-scene-block-in 0.45s cubic-bezier(0.33, 1, 0.68, 1);
}

.presentation-scene-block--headline {
    font-weight: 800;
    font-size: calc(28px * var(--fs, 1));
    color: #ffffff;
    background: linear-gradient(90deg, rgba(79, 195, 247, 0.18), transparent 70%);
    border-left: 3px solid #4fc3f7;
}

.presentation-scene-block--caption {
    font-weight: 600;
    font-size: calc(22px * var(--fs, 1));
    background: rgba(0, 0, 0, 0.72);
    border-radius: 8px;
    padding: 0.5em 0.8em;
}

.presentation-scene-block--proof {
    font-size: calc(14px * var(--fs, 1));
    font-weight: 700;
    color: #a5d6a7;
    background: rgba(30, 70, 32, 0.78);
    border: 1px solid #81c784;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.presentation-scene-block--cta {
    font-weight: 800;
    font-size: calc(32px * var(--fs, 1));
    background: linear-gradient(135deg, rgba(79, 195, 247, 0.95), rgba(25, 118, 210, 0.95));
    border-radius: 12px;
    padding: 0.6em 1em;
    box-shadow: 0 12px 32px rgba(79, 195, 247, 0.35);
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
}

.presentation-scene-highlight {
    position: absolute;
    border: 3px solid #4fc3f7;
    border-radius: 10px;
    box-shadow: 0 0 0 4px rgba(79, 195, 247, 0.15), 0 0 40px rgba(79, 195, 247, 0.35);
    pointer-events: none;
    animation: presentation-scene-highlight-pulse 900ms ease-in-out infinite;
}

.presentation-scene-clip {
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.92);
    border-radius: 18px;
    box-shadow:
        0 0 0 9999px rgba(0, 0, 0, 0.28),
        inset 0 0 0 1px rgba(79, 195, 247, 0.55),
        0 0 30px rgba(79, 195, 247, 0.16);
    pointer-events: none;
    z-index: 12;
}

.presentation-scene-clip__label {
    position: absolute;
    top: -14px;
    left: 12px;
    padding: 3px 8px;
    border-radius: 999px;
    background: rgba(5, 11, 18, 0.92);
    color: #cdefff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: 1px solid rgba(79, 195, 247, 0.45);
}

@keyframes presentation-scene-block-in {
    0% {
        opacity: 0;
        transform: translateY(8px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes presentation-scene-highlight-pulse {
    0%, 100% {
        box-shadow: 0 0 0 4px rgba(79, 195, 247, 0.15), 0 0 32px rgba(79, 195, 247, 0.28);
    }
    50% {
        box-shadow: 0 0 0 6px rgba(79, 195, 247, 0.28), 0 0 52px rgba(79, 195, 247, 0.5);
    }
}

.presentation-player__scene-overlay[data-viewport="mobile"] .presentation-scene-block {
    font-size: calc(18px * var(--fs, 1));
}

.presentation-player__scene-overlay[data-viewport="mobile"] .presentation-scene-block--cta {
    font-size: calc(26px * var(--fs, 1));
}

[data-theme="light"] .presentation-scene-block {
    color: #ffffff;
}