:root {

    --bg: #ffffff;
    --surface: #ffffff;
    --inset: #eef1f6;
    --text: #11161f;
    --text-secondary: #5f6772;
    --border: #e2e6ec;
    --accent: #0a84ff;
    --accent-pressed: #0066cc;
    --danger: #ff3b30;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 6px 16px rgba(15, 23, 42, 0.07);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #000000;
        --surface: #1c1c1e;

        --inset: #000000;
        --text: #ffffff;
        --text-secondary: #98989f;
        --border: #2c2c2e;
        --shadow: none;
    }
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 16px 16px 140px;
}

.app-main {
    width: 100%;
}

.navbar {
    width: 100%;
    height: 56px;
    background: #09101C;
    color: #fff;
}

.navbar-inner {
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    max-width: 720px;
    height: 100%;
    margin: 0 auto;
    padding: 0 16px;
}

.header-brand {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.header-titles {
    min-width: 0;
}

.app-logo {
    flex: none;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: block;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.18);
}

.app-icon {
    flex: none;
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: linear-gradient(180deg, #4ea6ff 0%, #0a84ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 10px 24px rgba(10, 132, 255, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.app-icon-glyph {
    font-size: 38px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.04em;
    line-height: 1;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.15);
}

.navbar h1 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.tabs {
    margin-bottom: 16px;
}

.segmented-tabs {
    display: flex;
    width: 100%;
    padding: 4px;
    background: var(--surface);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
}

.segmented-tabs .segment {
    flex: 1;
    padding: 10px 16px;
    font-size: 15px;
    min-width: 0;
}

.controls {
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--surface);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow);
    margin-bottom: 16px;
}

.control-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.control-group[hidden] {
    display: none;
}

.control-group-stack {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
}

.control-label {
    font-size: 15px;
    font-weight: 500;
}

.text-input {
    appearance: none;
    border: 1px solid var(--border);
    background: var(--inset);
    color: var(--text);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 14px;
    width: 100%;
    box-sizing: border-box;
}

.text-input:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
    border-color: transparent;
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 26px;
    flex-shrink: 0;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-track {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--border);
    border-radius: 13px;
    transition: background 0.15s;
}

.switch-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 22px;
    height: 22px;
    background: white;
    border-radius: 50%;
    transition: transform 0.15s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.switch input:checked + .switch-track {
    background: rgb(89, 213, 217);
}

.switch input:checked + .switch-track .switch-thumb {
    transform: translateX(18px);
}

.quality-slider-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.quality-value-wrap {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.quality-value {
    font-size: 14px;
    font-variant-numeric: tabular-nums;
    color: var(--text-secondary);
}

.slider {
    appearance: none;
    width: 100%;
    height: 24px;
    background: transparent;
    cursor: pointer;
}

.slider::-webkit-slider-runnable-track {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
}

.slider::-moz-range-track {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    margin-top: -8px;
    border-radius: 50%;
    background: rgb(89, 213, 217);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border: none;
    border-radius: 50%;
    background: rgb(89, 213, 217);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.segmented {
    display: inline-flex;
    background: var(--inset);
    border-radius: var(--radius-sm);
    padding: 2px;
    gap: 2px;
}

.segment {
    appearance: none;
    border: none;
    background: transparent;
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    padding: 6px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    min-width: 48px;
}

.segment.is-active {
    background: rgb(89, 213, 217);

    color: #000;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
    .segment.is-active {
        background: rgb(89, 213, 217);
        color: #fff;
    }
}

.picker {
    margin-bottom: 16px;
}

.picker-row {
    display: flex;
    gap: 10px;
}

.picker-button {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
    background: var(--surface);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: background 0.15s;
}

.picker-camera {
    flex: 0 0 auto;
    gap: 8px;
    padding: 16px 18px;
}

.picker-camera-icon {
    display: flex;
    align-items: center;
    color: rgb(89, 213, 217);
}

.picker-camera-text {
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
}

.picker-button:active {
    background: var(--border);
}

.picker-button.is-disabled {
    pointer-events: none;
    opacity: 0.5;
    cursor: not-allowed;
}

.picker-icon {
    font-size: 24px;
    color: rgb(89, 213, 217);
    line-height: 1;
}

.picker-text {
    flex: 1;
    font-size: 16px;
    font-weight: 500;
}

.picker-count {
    font-size: 14px;
    color: var(--text-secondary);
}

.overall-progress {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
}

.overall-progress-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 14px;
}

.overall-progress-label {
    color: var(--text);
    font-weight: 500;
}

.overall-progress-counter {
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.overall-progress-track {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
}

.overall-progress-bar {
    height: 100%;
    background: var(--accent);
    transition: width 0.15s linear;
}

.status {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--text-secondary);
    box-shadow: var(--shadow);
}

.status.is-error {
    color: var(--danger);
}

.toast {
    position: fixed;
    left: 50%;
    bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    transform: translate(-50%, 16px);
    max-width: min(92vw, 420px);
    z-index: 1000;
    padding: 12px 18px;
    border-radius: var(--radius);
    background: var(--danger);
    color: #fff;
    font-size: 14px;
    line-height: 1.5;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

.notice {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 16px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    box-shadow: var(--shadow);
}

.notice-warning {
    border-left: 4px solid var(--danger);
}

.summary {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 4px 16px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
}

.summary-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    font-size: 14px;
}

.summary-row + .summary-row {
    border-top: 1px solid var(--border);
}

.summary-label {
    color: var(--text-secondary);
}

.summary-value {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.summary-value.is-accent {
    color: var(--accent);
}

.summary-value.is-success {
    color: #34c759;
}

.summary-value.is-increase {
    color: var(--danger);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 8px;
    margin-bottom: 16px;
}

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

@media (min-width: 700px) {
    .grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }
}

.card {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    cursor: zoom-in;

    -webkit-user-drag: none;
    user-select: none;
    -webkit-user-select: none;
}

.card-delete {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    background: #fff;
    color: #dc3545;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}

.card-delete svg {
    width: 18px;
    height: 18px;
    display: block;
}

.card-video-badge {
    position: absolute;
    top: 4px;
    left: 4px;
    min-width: 24px;
    height: 24px;
    padding: 0 6px;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.65);
    color: white;
    font-size: 11px;
    font-weight: 700;
    line-height: 24px;
    text-align: center;
    pointer-events: none;
}

.card-video-badge[hidden] {
    display: none;
}

.card-actions {
    position: absolute;
    left: 6px;
    right: 6px;
    bottom: 24px;
    display: flex;
    gap: 6px;
}

.card-actions[hidden] {
    display: none;
}

.card-action {
    flex: 1;
    min-width: 0;
    height: 44px;
    border-radius: 10px;
    border: none;
    background: rgba(0, 0, 0, 0.68);
    color: white;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.card-action:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.card-select {
    position: absolute;
    top: 6px;
    left: 6px;
    right: auto;
    width: 28px;
    height: 28px;
    z-index: 2;
    cursor: pointer;
    accent-color: rgb(89, 213, 217);
    background: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}

.card-select[hidden] {
    display: none;
}

.card.is-selected {
    outline: 3px solid rgb(89, 213, 217);
    outline-offset: -3px;
}

.card-meta {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 4px 6px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
    color: white;
    font-size: 11px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 6px;
}

.card-reduction {
    font-weight: 700;
    color: #4cd964;
}

.card-reduction.is-increase {
    color: var(--danger);
}

.card-reduction[hidden] {
    display: none;
}

.card-size {
    font-variant-numeric: tabular-nums;
}

.card.is-loading::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(2px);
}

@media (prefers-color-scheme: dark) {
    .card.is-loading::after {
        background: rgba(0, 0, 0, 0.5);
    }
}

.card.is-error {
    outline: 3px solid #ff3b30;
    outline-offset: -3px;
    background: rgba(255, 59, 48, 0.08);
}

.card-retry {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    padding: 6px 14px;
    border: none;
    border-radius: 14px;
    background: #ff3b30;
    color: white;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow);
}

.card-retry[hidden] {
    display: none;
}

.footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, 0.78);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    backdrop-filter: saturate(180%) blur(20px);
    border-top: 1px solid rgba(15, 23, 42, 0.1);
}

.footer-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 10px;
    max-width: 720px;
    margin: 0 auto;
}

.footer-actions > button {
    flex: 1 1 auto;
    white-space: nowrap;
}

@media (prefers-color-scheme: dark) {
    .footer {
        background: rgba(28, 28, 30, 0.72);
        border-top-color: rgba(255, 255, 255, 0.08);
    }
}

.primary, .secondary {
    appearance: none;
    border: none;
    padding: 14px;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, transform 0.05s, opacity 0.15s;
}

.primary {
    flex: 1;
    background: var(--accent);

    color: #000;
    box-shadow: 0 4px 12px rgba(10, 132, 255, 0.3);
}

.primary:active:not(:disabled) {
    background: var(--accent-pressed);
    transform: scale(0.99);
}

.primary:disabled {
    background: var(--border);
    color: var(--text-secondary);
    box-shadow: none;
    cursor: not-allowed;
}

#share-button:not(:disabled) {
    background: rgb(89, 213, 217);
    box-shadow: 0 4px 12px rgba(89, 213, 217, 0.35);
}

#share-button:active:not(:disabled) {
    background: rgb(70, 190, 194);
}

.secondary {
    flex: 0 0 auto;
    background: rgba(10, 132, 255, 0.12);
    color: var(--accent);
    padding: 14px 18px;
}

.secondary:active:not(:disabled) {
    background: rgba(10, 132, 255, 0.2);
    transform: scale(0.99);
}

.secondary:disabled {
    background: transparent;
    color: var(--text-secondary);
    cursor: not-allowed;
}

.danger:not(:disabled) {
    background: rgba(255, 59, 48, 0.12);
    color: var(--danger);
}

.danger:active:not(:disabled) {
    background: rgba(255, 59, 48, 0.2);
}

@media (prefers-color-scheme: dark) {
    .primary {
        color: #fff;
    }
    .secondary {
        background: rgba(10, 132, 255, 0.18);
    }
    .secondary:active:not(:disabled) {
        background: rgba(10, 132, 255, 0.28);
    }
    .danger:not(:disabled) {
        background: rgba(255, 69, 58, 0.18);
    }
    .danger:active:not(:disabled) {
        background: rgba(255, 69, 58, 0.28);
    }
}

.modal {
    position: fixed;
    inset: 0;
    background: #000;
    color: #fff;
    z-index: 100;
    display: flex;
    flex-direction: column;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.modal[hidden] {
    display: none;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: #000;
}

.modal-title {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    appearance: none;
    border: none;
    background: #fff;
    color: #111;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    padding: 8px 18px;
    min-height: 40px;
    border-radius: 999px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
}

.modal-close:active {
    background: #e6e6e6;
}

.video-player {
    flex: 1;
    width: 100%;
    min-height: 0;
    background: #000;
    object-fit: contain;
}

.modal-footer {
    display: flex;
    gap: 12px;

    padding: 12px 16px max(16px, env(safe-area-inset-bottom));
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: #000;
}

.modal-footer .primary,
.modal-footer .secondary {
    flex: 1;
}

.confirm-panel {
    max-width: 380px;
}

.confirm-panel .policy-body p {
    color: var(--text);
    margin: 0;
}

.confirm-panel .modal-footer {
    background: transparent;
    border-top: 1px solid var(--border);
}

.crop-stage {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    min-height: 0;
    padding: 16px;
}

.crop-canvas {
    position: relative;
    max-width: 100%;
    max-height: 100%;
    line-height: 0;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}

.crop-image {
    max-width: 100%;
    max-height: calc(100vh - 200px);
    display: block;

    -webkit-user-drag: none;
    user-select: none;
    -webkit-user-select: none;
}

.crop-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.crop-overlay[hidden] {
    display: none;
}

.crop-rect {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.55);
    background: transparent;
    box-sizing: border-box;
}

.modal-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.modal-action {
    appearance: none;
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.trim-controls {
    padding: 12px 16px;
    background: #000;
    color: #fff;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.trim-row {
    display: grid;
    grid-template-columns: 36px 1fr 64px;
    align-items: center;
    gap: 12px;
    padding: 6px 0;
}

.trim-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.trim-time {
    font-size: 13px;
    font-variant-numeric: tabular-nums;
    text-align: right;
    color: rgba(255, 255, 255, 0.9);
}

.trim-controls .slider::-webkit-slider-runnable-track {
    background: rgba(255, 255, 255, 0.2);
}

.trim-controls .slider::-moz-range-track {
    background: rgba(255, 255, 255, 0.2);
}

.comparison {
    position: relative;
    flex: 1;
    overflow: hidden;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}

.comparison-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
    -webkit-user-drag: none;
}

.comparison-clip {
    clip-path: inset(0 0 0 var(--ratio));

    background: #000;
}

.comparison-label {
    position: absolute;
    top: 12px;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    border-radius: 999px;
    pointer-events: none;
}

.comparison-label-left {
    left: 12px;
}

.comparison-label-right {
    right: 12px;
}

.comparison-divider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--ratio);
    width: 2px;
    background: rgba(255, 255, 255, 0.9);
    transform: translateX(-1px);
    pointer-events: none;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.4);
}

.comparison-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    transform: translate(-50%, -50%);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
}

.comparison-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    background: var(--surface);
    color: var(--text);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.info-item-right {
    align-items: flex-end;
}

.info-label {
    font-size: 12px;
    color: var(--text-secondary);
}

.info-value {
    font-size: 15px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.info-value.is-accent {
    color: var(--accent);
}

.info-reduction {
    font-size: 12px;
    font-weight: 700;
    color: #34c759;
    background: rgba(52, 199, 89, 0.15);
    padding: 5px 10px;
    border-radius: 999px;
}

.info-reduction.is-increase {
    color: var(--danger);
    background: rgba(255, 59, 48, 0.15);
}

.info-reduction[hidden] {
    display: none;
}

.compare-toggle {
    display: inline-flex;
    gap: 2px;
    padding: 2px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 999px;
}

.compare-toggle-btn {
    appearance: none;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.75);
    font-size: 13px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 999px;
    cursor: pointer;
    white-space: nowrap;
}

.compare-toggle-btn.is-active {
    background: #fff;
    color: #000;
}

.comparison-sbs {
    flex: 1;
    min-height: 0;
    display: flex;

    flex-direction: column;
    gap: 2px;
    background: rgba(255, 255, 255, 0.12);
}

@media (orientation: landscape) {
    .comparison-sbs {
        flex-direction: row;
    }
}

.comparison-sbs[hidden] {
    display: none;
}

.sbs-pane {
    position: relative;
    flex: 1;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    background: #000;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}

.sbs-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    transform-origin: center center;
    will-change: transform;
    -webkit-user-drag: none;
}

.sbs-pane .comparison-label {
    left: 12px;
    right: auto;
    z-index: 1;
}

body.modal-open {
    overflow: hidden;
}

.site-footer {
    margin-top: 40px;
    padding: 8px 0 4px;
    text-align: right;
}

.site-footer-note {
    margin: 0 0 8px;
    padding: 8px 12px;
    text-align: left;
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-secondary);
    background: var(--inset);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.site-footer-copy {
    margin: 0;
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
}

.policy-modal {
    position: fixed;
    inset: 0;
    z-index: 110;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}

.policy-modal[hidden] {
    display: none;
}

.policy-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}

.policy-panel {
    position: relative;
    background: var(--surface);
    color: var(--text);
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.policy-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}

.policy-title {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.policy-body {
    padding: 16px 20px 20px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text);
}

.policy-body h3 {
    margin: 18px 0 6px;
    font-size: 14px;
    font-weight: 700;
}

.policy-body p {
    margin: 0 0 8px;
    color: var(--text-secondary);
}

.policy-body .help-note {
    padding: 10px 12px;
    background: var(--inset);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
}

.settings-button {
    flex: none;
    margin-left: auto;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    transition: background 0.15s, color 0.15s;
}

.settings-button:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.settings-button[hidden] {
    display: none;
}

.user-menu {
    position: absolute;
    top: 52px;
    right: 16px;
    z-index: 60;
    min-width: 200px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
    padding: 6px;
    border: 1px solid var(--border);
}

.user-menu[hidden] {
    display: none;
}

.user-menu-title {
    padding: 8px 12px 6px;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.user-menu-profile {
    padding: 10px 12px 8px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 4px;
}

.user-menu-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    word-break: break-all;
}

.user-menu-name:empty {
    display: none;
}

.user-menu-email {
    margin-top: 2px;
    font-size: 12px;
    color: var(--text-secondary);
    word-break: break-all;
}

.user-menu-email[hidden] {
    display: none;
}

.user-menu-item {
    appearance: none;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    color: var(--text);

    text-decoration: none;
    display: block;
    box-sizing: border-box;
}

.user-menu-item:hover {
    background: var(--inset);
}

.user-menu-item.is-danger {
    color: var(--danger);
}

.user-menu-sep {
    height: 1px;
    background: var(--border);
    margin: 4px 6px;
}

.auth-error {
    position: fixed;
    inset: 0;
    z-index: 120;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--bg);
}

.auth-error[hidden] {
    display: none;
}

.auth-error-card {
    width: 100%;
    max-width: 360px;
    background: var(--surface);
    border-radius: 20px;
    padding: 28px 24px 24px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.auth-error-card .app-icon {
    margin-bottom: 18px;
}

.auth-error-text {
    margin: 0 0 22px;
    font-size: 14px;
    color: var(--danger);
    line-height: 1.6;
}

.auth-error-card .primary {
    width: 100%;
    flex: none;
}

.drop-overlay {
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(10, 132, 255, 0.12);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    display: none;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

body.is-dragover .drop-overlay {
    display: flex;
}

.drop-overlay-text {
    background: var(--surface);
    color: var(--accent);
    padding: 18px 26px;
    border-radius: 16px;
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 2px dashed var(--accent);
}

.install-promo {
    position: fixed;
    left: 50%;
    bottom: calc(20px + env(safe-area-inset-bottom));
    transform: translate(-50%, 12px);
    width: min(440px, calc(100vw - 28px));
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 44px 14px 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
    z-index: 95;
    opacity: 0;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.install-promo.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

.install-promo[hidden] {
    display: none;
}

.install-promo.has-tail::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -8px;
    width: 14px;
    height: 14px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    transform: translateX(-50%) rotate(45deg);
}

.install-promo-icon {
    width: 48px;
    height: 48px;
    border-radius: 13px;
    margin-bottom: 0;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(10, 132, 255, 0.3);
}

.install-promo-icon .app-icon-glyph {
    font-size: 24px;
}

.install-promo-body {
    min-width: 0;
}

.install-promo-title {
    font-size: 15px;
    font-weight: 700;
}

.install-promo-text,
.install-promo-ios {
    margin: 4px 0 0;
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-secondary);
}

.install-promo-ios strong {
    color: var(--text);
}

.install-promo-share-icon {
    display: inline-block;
    vertical-align: -2px;
    color: var(--accent);
}

.install-promo-button {
    flex: 0 0 auto;
    margin-top: 10px;
    padding: 8px 18px;
    font-size: 14px;
    border-radius: 10px;
}

.install-promo-close {
    appearance: none;
    position: absolute;
    top: 6px;
    right: 6px;
    width: 30px;
    height: 30px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--text-secondary);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
}

.install-promo-close:active {
    background: var(--border);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}