/* Grid view */
#grid-view {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
    height: 100%;
    min-height: 0;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 2px;
    flex: 1;
    min-height: 0;
    width: 100%;
    overflow: hidden;
}

.grid-tile {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--border);
    transition: border-color 0.15s;
}

.grid-tile:hover {
    border-color: var(--border-hover);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.05);
}

.grid-tile canvas {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.grid-tile .tile-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 4px 8px;
    font-size: 11px;
    color: var(--text);
    background: linear-gradient(transparent, rgba(0,0,0,0.6));
    opacity: 0;
    transition: opacity 0.15s;
    pointer-events: none;
}

.grid-tile:hover .tile-label {
    opacity: 1;
}

@media (max-width: 600px) {
    .grid-container {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(4, 1fr);
    }

    /* Hide "Normal" center tile on mobile (2-column grid shows 8 of 9) */
    .grid-tile:nth-child(5) {
        display: none;
    }

    .grid-tile .tile-label {
        opacity: 1;
    }
}

/* Tab buttons */
.tab-bar {
    display: flex;
    gap: 4px;
    justify-content: center;
}

.tab-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 6px 20px;
    border-radius: 16px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
}

.tab-btn:hover {
    border-color: var(--border-hover);
    color: var(--text);
}

.tab-btn.active {
    background: var(--bg-elevated);
    border-color: var(--border-hover);
    color: var(--text);
}

/* Full-size view */
.fullsize-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.fullsize-canvas-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fullsize-canvas-wrapper canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.fullsize-controls {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 20px;
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
    background: rgba(0, 0, 0, 0.55);
    z-index: 10;
}

.controls-left, .controls-right {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
}

.controls-left {
    justify-content: flex-start;
}

.controls-right {
    justify-content: flex-end;
}

/* Mobile fullsize top bar */
.fullsize-top-bar {
    display: none;
}

@media (max-width: 600px) {
    .fullsize-top-bar {
        display: flex;
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        align-items: center;
        justify-content: space-between;
        padding: calc(12px + env(safe-area-inset-top)) 16px 12px;
        background: linear-gradient(rgba(0,0,0,0.6), transparent);
        z-index: 10;
    }

    .fullsize-controls {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .fullsize-controls .controls-left {
        display: none;
    }

    .fullsize-controls .controls-right {
        justify-content: center;
    }

    .fullsize-controls .controls-right .effect-name {
        display: none;
    }
}

/* Mode toggle */
.mode-toggle {
    display: flex;
    gap: 0;
    border-radius: 16px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.mode-btn {
    background: transparent;
    border: none;
    color: var(--text-dim);
    padding: 6px 16px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
}

.mode-btn.active {
    background: var(--bg-elevated);
    color: var(--text);
}

/* Shutter button */
.shutter-btn {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 3px solid var(--accent-photo);
    background: transparent;
    cursor: pointer;
    position: relative;
    transition: all 0.15s;
    flex-shrink: 0;
}

.shutter-btn::after {
    content: '';
    position: absolute;
    inset: 4px;
    border-radius: 50%;
    background: var(--accent-photo);
    transition: all 0.15s;
}

.shutter-btn:hover::after {
    inset: 3px;
}

.shutter-btn.video-mode {
    border-color: var(--accent);
}

.shutter-btn.video-mode::after {
    background: var(--accent);
}

.shutter-btn.recording::after {
    border-radius: 4px;
    inset: 16px;
}

/* Back to grid */
.grid-back-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 6px 16px;
    border-radius: 16px;
    font-size: 13px;
    cursor: pointer;
}

.effect-name {
    color: var(--text-dim);
    font-size: 13px;
}

/* Mirror / flip button */
.mirror-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    flex-shrink: 0;
}

.mirror-btn:hover {
    border-color: var(--border-hover);
    color: var(--text);
}

.mirror-btn.active {
    background: var(--bg-elevated);
    border-color: var(--border-hover);
    color: var(--text);
}

#app.mirrored canvas {
    transform: scaleX(-1);
}

/* Camera flip button */
.camera-flip-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    padding: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    flex-shrink: 0;
}

.camera-flip-btn:hover {
    border-color: var(--border-hover);
    color: var(--text);
}

/* About button */
.about-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    flex-shrink: 0;
    margin-left: auto;
}

.about-btn:hover {
    border-color: var(--border-hover);
    color: var(--text);
}

/* Filmstrip divider */
.filmstrip-divider {
    width: 1px;
    height: 24px;
    background: var(--border);
    flex-shrink: 0;
}

/* About dialog */
dialog {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: none;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    color: var(--text);
    padding: 0;
    margin: auto;
    position: fixed;
    inset: 0;
    max-width: 90vw;
    max-height: 85vh;
    overflow: hidden;
    outline: none;
}

dialog:focus {
    outline: none;
}

dialog::backdrop {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

dialog[open] {
    animation: dialog-open 0.2s ease-out;
}

@keyframes dialog-open {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.about-modal {
    width: min(720px, 100vw);
    min-width: 360px;
}

.about-modal-content {
    display: grid;
    grid-template-columns: min(80%, 320px) 1fr;
    align-items: stretch;
}

.about-modal-graphic {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.75rem 2.5rem;
    background: linear-gradient(180deg, rgba(255, 59, 48, 0.1) 0%, transparent 100%);
}

.about-modal-icon {
    width: min(80%, 160px);
    aspect-ratio: 1;
    border-radius: 24px;
}

.about-modal-details {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1rem;
    padding: 2.75rem 1.5rem;
    color: var(--text-dim);
}

.about-modal-title {
    font-weight: 700;
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--text);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.about-modal-version {
    font-size: 0.9rem;
}

.about-modal-copyright {
    font-size: 0.9rem;
}

.about-modal-build {
    font-size: 0.875rem;
}

.about-modal-link {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.15s;
}

.about-modal-link:hover {
    color: #ff6961;
}

.about-modal-ecosystem {
    font-size: 0.8rem;
    margin-top: 0.75rem;
    line-height: 1.4;
}

.about-modal-ecosystem a {
    color: var(--accent);
    text-decoration: none;
}

.about-modal-ecosystem a:hover {
    color: #ff6961;
}

@media (max-width: 720px) {
    .about-modal {
        width: min(540px, 94vw);
    }

    .about-modal-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-modal-graphic {
        padding: 2.25rem 2rem 1.5rem;
    }

    .about-modal-details {
        align-items: center;
        padding: 1.75rem 2rem 2.25rem;
    }

    .about-modal-icon {
        width: min(60%, 140px);
    }
}

/* Filmstrip thumbnails */
.filmstrip-item {
    position: relative;
    flex-shrink: 0;
}

.filmstrip-thumb {
    width: 56px;
    height: 56px;
    border-radius: 4px;
    border: 1px solid var(--border);
    cursor: pointer;
    object-fit: cover;
    display: block;
    transition: border-color 0.15s;
}

.filmstrip-item:hover .filmstrip-thumb {
    border-color: var(--border-hover);
}

.filmstrip-delete {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: none;
    background: var(--bg-elevated);
    color: var(--text);
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.filmstrip-item:hover .filmstrip-delete {
    display: flex;
}

@media (hover: none) {
    .filmstrip-delete {
        display: flex;
    }
}

.filmstrip-thumbs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    width: 100%;
}

.filmstrip-thumbs::-webkit-scrollbar {
    display: none;
}

/* Countdown overlay */
.countdown-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    pointer-events: none;
}

.countdown-number {
    font-size: 120px;
    font-weight: 200;
    color: white;
    text-shadow: 0 0 40px rgba(0,0,0,0.5);
    animation: countdown-pulse 1s ease-out;
}

@keyframes countdown-pulse {
    0% { transform: scale(1.5); opacity: 0; }
    30% { transform: scale(1); opacity: 1; }
    100% { transform: scale(0.8); opacity: 0; }
}

/* Flash overlay */
.flash-overlay {
    position: fixed;
    inset: 0;
    background: white;
    z-index: 101;
    pointer-events: none;
    animation: flash 0.3s ease-out forwards;
}

@keyframes flash {
    0% { opacity: 0.8; }
    100% { opacity: 0; }
}

/* Recording indicator */
.recording-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-size: 13px;
    font-variant-numeric: tabular-nums;
}

.recording-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* View transitions */
#grid-view, #fullsize-view {
    transition: opacity 0.2s ease;
}

#grid-view.fading, #fullsize-view.fading {
    opacity: 0;
}

button, .grid-tile {
    touch-action: manipulation;
}

/* Welcome toast */
.welcome-toast {
    position: fixed;
    bottom: calc(96px + env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--text-dim);
    font-size: 13px;
    line-height: 1.5;
    text-align: center;
    padding: 12px 24px;
    border-radius: 12px;
    border: 1px solid var(--border);
    max-width: min(420px, calc(100vw - 32px));
    z-index: 50;
    pointer-events: none;
    opacity: 0;
    transition: opacity 2s ease;
}

.welcome-toast.visible {
    opacity: 1;
}

/* Hidden utility */
.hidden { display: none !important; }