:root {
    --page: #eef5ff;
    --page-soft: #f7fbff;
    --surface: rgba(255, 255, 255, 0.54);
    --surface-raised: rgba(255, 255, 255, 0.4);
    --surface-muted: rgba(236, 246, 255, 0.44);
    --glass-strong: rgba(255, 255, 255, 0.68);
    --glass-soft: rgba(255, 255, 255, 0.34);
    --glass-border: rgba(255, 255, 255, 0.66);
    --text-primary: #111827;
    --text-secondary: rgba(17, 24, 39, 0.64);
    --text-tertiary: rgba(17, 24, 39, 0.42);
    --border-color: rgba(255, 255, 255, 0.54);
    --border-strong: rgba(132, 152, 180, 0.34);
    --accent-color: #0a84ff;
    --accent-dark: #0065d0;
    --accent-soft: rgba(10, 132, 255, 0.14);
    --success-color: #248a5f;
    --error-color: #c4453f;
    --warning-color: #bd7626;
    --shadow-sm: 0 1px 2px rgba(27, 46, 76, 0.08);
    --shadow-md: 0 14px 36px rgba(39, 67, 103, 0.12);
    --shadow-lg: 0 24px 70px rgba(32, 52, 83, 0.18);
    --glass-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.68), inset 0 -1px 0 rgba(255, 255, 255, 0.16), var(--shadow-md);
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --transition: 240ms var(--ease);
    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root {
        --page: #09111f;
        --page-soft: #111827;
        --surface: rgba(22, 31, 49, 0.56);
        --surface-raised: rgba(35, 48, 72, 0.42);
        --surface-muted: rgba(22, 31, 49, 0.42);
        --glass-strong: rgba(31, 43, 66, 0.68);
        --glass-soft: rgba(255, 255, 255, 0.08);
        --glass-border: rgba(255, 255, 255, 0.18);
        --text-primary: #f8fbff;
        --text-secondary: rgba(248, 251, 255, 0.68);
        --text-tertiary: rgba(248, 251, 255, 0.42);
        --border-color: rgba(255, 255, 255, 0.14);
        --border-strong: rgba(255, 255, 255, 0.24);
        --accent-color: #64d2ff;
        --accent-dark: #89dcff;
        --accent-soft: rgba(100, 210, 255, 0.14);
        --success-color: #54d68a;
        --error-color: #ff7a70;
        --warning-color: #ffd166;
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.28);
        --shadow-md: 0 16px 42px rgba(0, 0, 0, 0.34);
        --shadow-lg: 0 28px 80px rgba(0, 0, 0, 0.44);
        --glass-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), inset 0 -1px 0 rgba(255, 255, 255, 0.06), var(--shadow-md);
    }
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100dvh;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    color: var(--text-primary);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.92) 0%, rgba(226, 242, 255, 0.8) 38%, rgba(242, 247, 255, 0.92) 100%),
        conic-gradient(from 210deg at 16% 10%, rgba(10, 132, 255, 0.2), rgba(255, 255, 255, 0), rgba(104, 211, 145, 0.14), rgba(255, 255, 255, 0), rgba(10, 132, 255, 0.2)),
        linear-gradient(90deg, rgba(255, 255, 255, 0.5) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255, 255, 255, 0.44) 1px, transparent 1px);
    background-size: auto, auto, 56px 56px, 56px 56px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    background:
        linear-gradient(115deg, rgba(10, 132, 255, 0.22), transparent 34%),
        linear-gradient(250deg, rgba(255, 255, 255, 0.54), transparent 42%),
        linear-gradient(12deg, transparent 48%, rgba(171, 223, 255, 0.28) 100%);
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.28;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.35) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.28) 1px, transparent 1px);
    background-size: 22px 22px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 70%);
}

@media (prefers-color-scheme: dark) {
    body {
        background:
            linear-gradient(135deg, rgba(8, 15, 28, 0.98), rgba(15, 27, 47, 0.92)),
            conic-gradient(from 220deg at 22% 8%, rgba(100, 210, 255, 0.18), transparent, rgba(104, 211, 145, 0.1), transparent, rgba(100, 210, 255, 0.18)),
            linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
            linear-gradient(180deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
        background-size: auto, auto, 56px 56px, 56px 56px;
    }

    body::before {
        background:
            linear-gradient(115deg, rgba(100, 210, 255, 0.18), transparent 36%),
            linear-gradient(250deg, rgba(94, 92, 230, 0.14), transparent 44%),
            linear-gradient(12deg, transparent 48%, rgba(255, 255, 255, 0.08) 100%);
    }

    body::after {
        opacity: 0.18;
    }
}

button,
textarea {
    font: inherit;
}

button {
    color: inherit;
}

.skip-link {
    position: fixed;
    left: 20px;
    top: 16px;
    z-index: 20;
    transform: translateY(-140%);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    background: var(--glass-strong);
    color: var(--text-primary);
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(22px) saturate(180%);
    -webkit-backdrop-filter: blur(22px) saturate(180%);
    text-decoration: none;
    transition: transform var(--transition);
}

.skip-link:focus {
    transform: translateY(0);
}

.container {
    width: min(100% - 40px, 1180px);
    margin: 0 auto;
    padding: 28px 0 20px;
}

.header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 24px;
    position: relative;
    padding: 22px;
    margin-bottom: 22px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.32)),
        var(--glass-soft);
    box-shadow: var(--glass-shadow);
    overflow: hidden;
}

.header::before {
    content: "";
    position: absolute;
    inset: 1px;
    border-radius: calc(var(--radius-lg) - 1px);
    pointer-events: none;
    background:
        linear-gradient(120deg, rgba(255, 255, 255, 0.5), transparent 34%),
        linear-gradient(270deg, rgba(10, 132, 255, 0.1), transparent 42%);
}

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

.kicker {
    margin-bottom: 8px;
    color: var(--accent-dark);
    font-size: 0.84rem;
    font-weight: 700;
}

.title {
    max-width: 12em;
    margin-bottom: 10px;
    font-size: 3rem;
    line-height: 1.08;
    font-weight: 750;
    letter-spacing: 0;
    text-wrap: balance;
}

.subtitle {
    max-width: 52ch;
    color: var(--text-secondary);
    font-size: 1.02rem;
    line-height: 1.75;
}

.platform-strip {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
    max-width: 360px;
}

.platform-pill {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 6px 11px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.38);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.54);
    transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.platform-pill:hover {
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, 0.82);
    background: rgba(255, 255, 255, 0.52);
}

@media (prefers-color-scheme: dark) {
    .platform-pill {
        background: rgba(255, 255, 255, 0.08);
    }
}

.main {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
    align-items: start;
    gap: 20px;
}

.input-section,
.history-section,
.result-card,
.progress-bar,
.download-modal-content {
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0.28)),
        var(--surface);
    box-shadow: var(--glass-shadow);
}

.download-modal-content {
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
}

.input-section,
.history-section,
.result-card,
.progress-bar {
    position: relative;
    overflow: hidden;
}

.input-section::before,
.history-section::before,
.result-card::before,
.progress-bar::before,
.download-modal-content::before {
    content: "";
    position: absolute;
    inset: 1px;
    border-radius: calc(var(--radius-lg) - 1px);
    pointer-events: none;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.52), transparent 32%),
        linear-gradient(315deg, rgba(10, 132, 255, 0.08), transparent 44%);
}

.input-section > *,
.history-section > *,
.result-card > *,
.progress-bar > *,
.download-modal-content > * {
    position: relative;
}

.input-section {
    grid-column: 1;
    padding: 22px;
}

.history-section {
    grid-column: 2;
    grid-row: 1 / span 3;
    position: sticky;
    top: 20px;
    padding: 20px;
}

.progress-bar,
.results-section {
    grid-column: 1;
}

.results-section {
    min-height: 140px;
}

.panel-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.section-title {
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.3;
    font-weight: 750;
    letter-spacing: 0;
}

.section-note,
.input-help {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.section-note {
    margin-top: 4px;
}

.input-wrapper {
    display: grid;
    gap: 8px;
    margin-bottom: 18px;
}

.input-label {
    color: var(--text-primary);
    font-size: 0.92rem;
    font-weight: 650;
}

.url-input {
    width: 100%;
    min-height: 164px;
    padding: 15px 16px;
    resize: vertical;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.2)),
        var(--surface-raised);
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.7;
    outline: none;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.54), inset 0 -16px 40px rgba(255, 255, 255, 0.16);
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition), transform var(--transition);
}

.url-input:hover {
    border-color: var(--border-strong);
    transform: translateY(-1px);
}

.url-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px var(--accent-soft), inset 0 1px 0 rgba(255, 255, 255, 0.68);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.66), rgba(255, 255, 255, 0.3)),
        var(--surface);
    transform: translateY(-1px);
}

.url-input::placeholder {
    color: var(--text-tertiary);
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.btn,
.download-btn,
.history-delete,
.carousel-btn,
.carousel-dot {
    -webkit-tap-highlight-color: transparent;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    gap: 8px;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: 0.96rem;
    font-weight: 700;
    white-space: nowrap;
    cursor: pointer;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.52), var(--shadow-sm);
    transition:
        transform var(--transition),
        border-color var(--transition),
        background var(--transition),
        color var(--transition),
        box-shadow var(--transition);
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(1px) scale(0.99);
}

.btn:focus-visible,
.download-btn:focus-visible,
.history-delete:focus-visible,
.carousel-btn:focus-visible,
.carousel-dot:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--accent-color), transparent 68%);
    outline-offset: 2px;
}

.btn-primary {
    margin-left: auto;
    border-color: color-mix(in srgb, var(--accent-color), white 34%);
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--accent-color), white 20%), var(--accent-color));
    color: #ffffff;
    box-shadow: 0 14px 34px color-mix(in srgb, var(--accent-color), transparent 72%), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.btn-primary:hover {
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--accent-color), white 28%), var(--accent-dark));
    box-shadow: 0 18px 42px color-mix(in srgb, var(--accent-color), transparent 66%), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.btn-secondary {
    border-color: var(--glass-border);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.22)),
        var(--surface-raised);
    color: var(--text-primary);
}

.btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.82);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0.32)),
        var(--surface-muted);
    box-shadow: 0 10px 22px rgba(39, 67, 103, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.64);
}

.btn-icon {
    position: relative;
    width: 16px;
    height: 16px;
    flex: 0 0 16px;
    color: currentColor;
}

.btn-icon-paste::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 4px;
    width: 9px;
    height: 10px;
    border: 1.6px solid currentColor;
    border-radius: 3px;
}

.btn-icon-paste::after {
    content: "";
    position: absolute;
    left: 6px;
    top: 1px;
    width: 5px;
    height: 4px;
    border: 1.6px solid currentColor;
    border-bottom: 0;
    border-radius: 3px 3px 0 0;
}

.btn-icon-clear::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 5px;
    width: 9px;
    height: 9px;
    border: 1.6px solid currentColor;
    border-top: 0;
    border-radius: 0 0 3px 3px;
}

.btn-icon-clear::after {
    content: "";
    position: absolute;
    left: 3px;
    top: 2px;
    width: 11px;
    height: 2px;
    border-top: 1.6px solid currentColor;
    box-shadow: 3px -2px 0 -1px currentColor;
}

.btn-icon-parse::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 2px;
    width: 9px;
    height: 9px;
    border: 1.8px solid currentColor;
    border-radius: 50%;
}

.btn-icon-parse::after {
    content: "";
    position: absolute;
    left: 10px;
    top: 11px;
    width: 6px;
    height: 1.8px;
    border-radius: 999px;
    background: currentColor;
    transform: rotate(45deg);
    transform-origin: left center;
}

.btn-icon-history::before {
    content: "";
    position: absolute;
    inset: 2px;
    border: 1.6px solid currentColor;
    border-radius: 50%;
}

.btn-icon-history::after {
    content: "";
    position: absolute;
    left: 8px;
    top: 4px;
    width: 4px;
    height: 6px;
    border-left: 1.6px solid currentColor;
    border-bottom: 1.6px solid currentColor;
}

.progress-bar {
    padding: 18px 20px;
}

.progress-content {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.progress-spinner {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    background:
        linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.62), transparent),
        var(--accent-color);
    background-size: 180% 100%, auto;
    animation: shimmer 1.15s var(--ease) infinite;
    box-shadow: 0 8px 22px color-mix(in srgb, var(--accent-color), transparent 72%);
}

.progress-text {
    color: var(--text-primary);
    font-size: 0.96rem;
    font-weight: 700;
}

.progress-track,
.download-progress-track {
    overflow: hidden;
    border-radius: 999px;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.28);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.progress-track {
    height: 7px;
}

.progress-fill {
    height: 100%;
    width: 42%;
    border-radius: inherit;
    background:
        linear-gradient(90deg, color-mix(in srgb, var(--accent-color), white 28%), var(--accent-color));
    transform: translateX(-110%);
    animation: progress 1.45s var(--ease) infinite;
    box-shadow: 0 0 24px color-mix(in srgb, var(--accent-color), transparent 62%);
    will-change: transform;
}

.task-list {
    display: grid;
    gap: 8px;
    margin-top: 14px;
}

.task-item {
    display: grid;
    grid-template-columns: 16px minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.38), rgba(255, 255, 255, 0.16)),
        var(--surface-raised);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
    transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

.task-item.active {
    border-color: color-mix(in srgb, var(--accent-color), white 45%);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.48), rgba(10, 132, 255, 0.1)),
        var(--surface-raised);
}

.task-item.success {
    border-color: color-mix(in srgb, var(--success-color), white 48%);
}

.task-item.error {
    border-color: color-mix(in srgb, var(--error-color), white 45%);
}

.task-status {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: var(--text-tertiary);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.24);
}

.task-item.active .task-status {
    background: var(--accent-color);
    animation: pulse 1.1s var(--ease) infinite;
}

.task-item.success .task-status {
    background: var(--success-color);
}

.task-item.error .task-status {
    background: var(--error-color);
}

.task-copy {
    min-width: 0;
}

.task-title {
    color: var(--text-primary);
    font-size: 0.88rem;
    font-weight: 750;
}

.task-url {
    overflow: hidden;
    color: var(--text-secondary);
    font-size: 0.78rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.task-note {
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 750;
    white-space: nowrap;
}

.history-list,
.results-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.history-list {
    max-height: 560px;
    overflow: auto;
    padding-right: 2px;
}

.history-item {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr) 30px;
    align-items: center;
    gap: 10px;
    padding: 11px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0.18)),
        var(--surface-raised);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.44);
    cursor: pointer;
    transition:
        transform var(--transition),
        border-color var(--transition),
        background var(--transition);
}

.history-item:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.82);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0.26)),
        var(--surface);
    box-shadow: 0 14px 34px rgba(39, 67, 103, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.58);
}

.history-platform,
.platform-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fffaf4;
    font-weight: 800;
    line-height: 1;
}

.history-platform {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 8px 18px rgba(17, 24, 39, 0.14);
}

.history-info {
    min-width: 0;
}

.history-title {
    overflow: hidden;
    color: var(--text-primary);
    font-size: 0.92rem;
    font-weight: 700;
    line-height: 1.4;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.history-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 3px;
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.history-meta span:not(:last-child)::after {
    content: "/";
    margin-left: 6px;
    color: var(--text-tertiary);
}

.history-delete {
    width: 30px;
    height: 30px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: 1.4rem;
    line-height: 1;
    transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.history-delete:hover {
    border-color: rgba(178, 58, 53, 0.24);
    background: rgba(178, 58, 53, 0.1);
    color: var(--error-color);
    transform: scale(1.04);
}

.empty-state,
.history-empty,
.no-results,
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 160px;
    padding: 28px 18px;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.32), rgba(255, 255, 255, 0.12)),
        var(--surface-raised);
    color: var(--text-secondary);
    text-align: center;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.38);
}

.empty-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-bottom: 10px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.34);
    color: var(--text-tertiary);
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.history-empty::before,
.no-results::before,
.loading-container::before {
    content: "";
    display: block;
    width: 42px;
    height: 42px;
    margin-bottom: 10px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background:
        linear-gradient(90deg, var(--border-strong) 35%, transparent 35% 65%, var(--border-strong) 65%) center / 18px 2px no-repeat,
        rgba(255, 255, 255, 0.28);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.44);
}

.result-card {
    padding: 18px;
    animation: fadeIn 540ms var(--ease);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.result-layout {
    display: grid;
    grid-template-columns: minmax(260px, 0.95fr) minmax(260px, 1fr);
    gap: 18px;
    align-items: stretch;
}

.result-media,
.result-info {
    min-width: 0;
}

.result-info {
    display: flex;
    flex-direction: column;
}

.result-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.82);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72), inset 0 -1px 0 rgba(255, 255, 255, 0.18), 0 18px 46px rgba(39, 67, 103, 0.14);
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 13px;
}

.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 32px;
    padding: 5px 10px 5px 6px;
    border-radius: var(--radius-md);
    color: #ffffff;
    font-size: 0.86rem;
    font-weight: 800;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 8px 20px rgba(17, 24, 39, 0.14);
}

.platform-mark {
    width: 22px;
    height: 22px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.18);
    font-size: 0.72rem;
}

.result-author {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.author-avatar {
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    object-fit: cover;
    background: rgba(255, 255, 255, 0.2);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.34);
}

.avatar-fallback {
    justify-content: center;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 800;
}

.author-name {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 700;
}

.result-title {
    display: -webkit-box;
    margin-bottom: 14px;
    overflow: hidden;
    color: var(--text-primary);
    font-size: 0.98rem;
    line-height: 1.65;
    text-wrap: pretty;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.media-preview,
.video-container,
.image-carousel {
    overflow: hidden;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    background: #0d0f0c;
    box-shadow: 0 12px 32px rgba(17, 24, 39, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.video-container,
.image-carousel {
    position: relative;
    width: 100%;
    max-width: 520px;
    height: 100%;
    min-height: 260px;
    margin: 0;
}

.video-container video,
.video-player {
    display: block;
    width: 100%;
    height: 100%;
    max-height: 420px;
    object-fit: contain;
}

/* 视频加载失败提示 */
.video-error {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    min-height: 200px;
    background: #0d0f0c;
    color: #999;
    font-size: 0.9rem;
    text-align: center;
    padding: 20px;
}

.video-error-icon {
    font-size: 1.8rem;
}

.video-error-text {
    max-width: 300px;
    line-height: 1.5;
}

.image-carousel {
    max-width: 520px;
}

.media-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 260px;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-secondary);
}

.carousel-container {
    display: flex;
    height: 100%;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.carousel-container::-webkit-scrollbar {
    display: none;
}

.carousel-item {
    display: none;
    flex: 0 0 100%;
    height: 100%;
    scroll-snap-align: start;
}

.carousel-item.active {
    display: block;
}

.carousel-item img,
.carousel-image {
    display: block;
    width: 100%;
    height: 100%;
    max-height: 420px;
    object-fit: contain;
    background: #0d0f0c;
}

.carousel-image {
    flex: 0 0 100%;
    scroll-snap-align: start;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: var(--radius-md);
    background: rgba(20, 23, 17, 0.48);
    color: #fffaf4;
    cursor: pointer;
    font-size: 1.3rem;
    transform: translateY(-50%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), 0 12px 28px rgba(0, 0, 0, 0.24);
    transition: background var(--transition), transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.carousel-btn:hover {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(20, 23, 17, 0.86);
    transform: translateY(-50%) scale(1.03);
}

.carousel-btn.prev {
    left: 10px;
}

.carousel-btn.next {
    right: 10px;
}

.carousel-dots {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    justify-content: center;
    gap: 7px;
    padding: 12px;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.5));
}

.carousel-dot {
    width: 7px;
    height: 7px;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: width var(--transition), background var(--transition);
}

.carousel-dot.active {
    width: 22px;
    background: #fffaf4;
}

.result-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    margin-top: auto;
    padding: 12px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stat-item {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    color: var(--text-primary);
    font-size: 0.88rem;
    font-variant-numeric: tabular-nums;
    padding: 4px 8px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.24);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.34);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 700;
}

.result-actions,
.download-section {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 9px 15px;
    border: 1px solid color-mix(in srgb, var(--success-color), white 42%);
    border-radius: var(--radius-md);
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--success-color), white 18%), var(--success-color));
    color: #fffaf4;
    cursor: pointer;
    font-size: 0.92rem;
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 12px 28px color-mix(in srgb, var(--success-color), transparent 76%), inset 0 1px 0 rgba(255, 255, 255, 0.34);
    transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 38px color-mix(in srgb, var(--success-color), transparent 68%), inset 0 1px 0 rgba(255, 255, 255, 0.46);
}

.download-btn:active {
    transform: translateY(1px) scale(0.99);
}

.download-all-btn {
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--accent-color), white 18%), var(--accent-color));
}

.error-card {
    border-color: rgba(178, 58, 53, 0.32);
    background:
        linear-gradient(180deg, rgba(178, 58, 53, 0.1), transparent 42%),
        var(--surface);
}

.error-layout {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
}

.error-message {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--error-color);
    font-weight: 750;
}

.error-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: rgba(178, 58, 53, 0.14);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.32);
    font-weight: 900;
}

.error-url {
    margin-top: 10px;
    padding: 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.26);
    color: var(--text-secondary);
    font-size: 0.86rem;
    overflow-wrap: anywhere;
}

.toast {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 10;
    width: min(380px, calc(100vw - 32px));
    padding: 13px 16px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: #fffaf4;
    font-weight: 750;
    opacity: 0;
    pointer-events: none;
    transform: translateY(22px);
    transition: transform var(--transition), opacity var(--transition);
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast.success {
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--success-color), white 14%), var(--success-color));
}

.toast.error {
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--error-color), white 12%), var(--error-color));
}

.toast.warning {
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--warning-color), white 12%), var(--warning-color));
}

.download-modal {
    position: fixed;
    inset: 0;
    z-index: 11;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(17, 24, 39, 0.28);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
}

.confirm-modal {
    position: fixed;
    inset: 0;
    z-index: 12;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgba(17, 24, 39, 0.26);
    opacity: 0;
    pointer-events: none;
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    transition: opacity var(--transition);
}

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

.confirm-modal.show {
    opacity: 1;
    pointer-events: auto;
}

.confirm-modal-content {
    position: relative;
    overflow: hidden;
    width: min(100%, 420px);
    padding: 24px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.64), rgba(255, 255, 255, 0.3)),
        var(--surface);
    box-shadow: var(--glass-shadow);
    text-align: center;
    transform: translateY(14px) scale(0.98);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    transition: transform var(--transition);
}

.confirm-modal.show .confirm-modal-content {
    transform: translateY(0) scale(1);
}

.confirm-modal-content::before {
    content: "";
    position: absolute;
    inset: 1px;
    border-radius: calc(var(--radius-lg) - 1px);
    pointer-events: none;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.5), transparent 34%),
        linear-gradient(315deg, rgba(10, 132, 255, 0.08), transparent 44%);
}

.confirm-modal-content > * {
    position: relative;
}

.confirm-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-bottom: 14px;
    border: 1px solid color-mix(in srgb, var(--error-color), white 52%);
    border-radius: var(--radius-md);
    background: rgba(196, 69, 63, 0.12);
    color: var(--error-color);
    font-weight: 900;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.34);
}

.confirm-title {
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 1.08rem;
    line-height: 1.3;
}

.confirm-message {
    margin: 0 auto 20px;
    max-width: 32ch;
    color: var(--text-secondary);
    font-size: 0.94rem;
    line-height: 1.7;
}

.confirm-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.btn-danger {
    border-color: color-mix(in srgb, var(--error-color), white 40%);
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--error-color), white 18%), var(--error-color));
    color: #ffffff;
    box-shadow: 0 14px 34px color-mix(in srgb, var(--error-color), transparent 74%), inset 0 1px 0 rgba(255, 255, 255, 0.34);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 42px color-mix(in srgb, var(--error-color), transparent 68%), inset 0 1px 0 rgba(255, 255, 255, 0.46);
}

.download-modal-content {
    position: relative;
    overflow: hidden;
    width: min(100%, 420px);
    padding: 24px;
}

.download-modal-title {
    margin-bottom: 18px;
    color: var(--text-primary);
    font-size: 1.08rem;
    line-height: 1.3;
    text-align: center;
}

.download-progress-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 14px;
    font-size: 0.9rem;
}

.download-filename {
    max-width: 62%;
    overflow: hidden;
    color: var(--text-primary);
    font-weight: 750;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.download-size {
    color: var(--text-secondary);
    white-space: nowrap;
}

.download-progress-track {
    height: 9px;
    margin-bottom: 10px;
}

.download-progress-fill {
    height: 100%;
    border-radius: inherit;
    background:
        linear-gradient(90deg, color-mix(in srgb, var(--accent-color), white 28%), var(--accent-color));
    transition: width var(--transition);
    box-shadow: 0 0 24px color-mix(in srgb, var(--accent-color), transparent 62%);
}

.download-percent {
    color: var(--accent-dark);
    font-size: 1.08rem;
    font-weight: 800;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.footer {
    padding: 28px 0 8px;
    color: var(--text-secondary);
    font-size: 0.88rem;
    text-align: center;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmer {
    from {
        background-position: 160% 0, 0 0;
    }
    to {
        background-position: -80% 0, 0 0;
    }
}

@keyframes progress {
    0% {
        transform: translateX(-110%);
    }
    100% {
        transform: translateX(245%);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent-color), transparent 54%);
    }
    100% {
        box-shadow: 0 0 0 8px color-mix(in srgb, var(--accent-color), transparent 100%);
    }
}

@media (max-width: 960px) {
    .container {
        width: min(100% - 28px, 760px);
        padding-top: 18px;
    }

    .header {
        grid-template-columns: 1fr;
        align-items: start;
        gap: 18px;
    }

    .platform-strip {
        justify-content: flex-start;
        max-width: none;
    }

    .main {
        grid-template-columns: 1fr;
    }

    .input-section,
    .history-section,
    .progress-bar,
    .results-section {
        grid-column: 1;
    }

    .history-section {
        grid-row: auto;
        position: static;
    }

    .history-list {
        max-height: 360px;
    }

    .result-layout {
        grid-template-columns: 1fr;
    }

    .video-container,
    .image-carousel,
    .media-empty {
        min-height: 240px;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 24px, 100%);
    }

    .header {
        padding-top: 10px;
    }

    .title {
        max-width: 11em;
        font-size: 2rem;
    }

    .subtitle {
        font-size: 0.96rem;
    }

    .input-section,
    .history-section,
    .result-card,
    .progress-bar {
        padding: 16px;
    }

    .button-group {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 9px;
    }

    .btn {
        width: 100%;
        min-width: 0;
        padding-right: 12px;
        padding-left: 12px;
    }

    .btn-primary {
        margin-left: 0;
    }

    .history-item {
        grid-template-columns: 34px minmax(0, 1fr) 30px;
        padding: 10px;
    }

    .history-platform {
        width: 34px;
        height: 34px;
    }

    .result-header,
    .download-progress-info {
        align-items: flex-start;
        flex-direction: column;
    }

    .task-item {
        grid-template-columns: 14px minmax(0, 1fr);
    }

    .task-note {
        grid-column: 2;
    }

    .video-container,
    .image-carousel,
    .media-empty {
        min-height: 220px;
    }

    .download-filename {
        max-width: 100%;
    }

    .result-actions,
    .download-section {
        flex-direction: column;
    }

    .download-btn {
        width: 100%;
    }

    .toast {
        right: 12px;
        bottom: 12px;
    }

    .confirm-actions {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 360px) {
    .button-group {
        grid-template-columns: 1fr;
    }

    .title {
        font-size: 1.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .header,
    .input-section,
    .history-section,
    .result-card,
    .progress-bar,
    .download-modal-content,
    .platform-pill,
    .url-input,
    .btn,
    .toast,
    .carousel-btn {
        background: var(--page-soft);
    }

    @media (prefers-color-scheme: dark) {
        .header,
        .input-section,
        .history-section,
        .result-card,
        .progress-bar,
        .download-modal-content,
        .platform-pill,
        .url-input,
        .btn,
        .toast,
        .carousel-btn {
            background: var(--page-soft);
        }
    }
}