/* Video download — minimal composition aligned with ruomi tokens */
.vd-page {
    min-height: 100vh;
}

.vd-main {
    max-width: 640px;
    margin: 0 auto;
    padding: 3.5rem 1.25rem 4rem;
}

.vd-hero {
    text-align: center;
    margin-bottom: 2.25rem;
}

.vd-kicker {
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--warm-muted, #888);
    margin: 0 0 0.75rem;
}

.vd-hero h1 {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 650;
    letter-spacing: -0.03em;
    margin: 0 0 0.75rem;
    color: var(--warm-ink, #111);
    line-height: 1.15;
}

.vd-lead {
    margin: 0;
    font-size: 1.05rem;
    color: var(--warm-muted, #666);
    line-height: 1.5;
}

.vd-card {
    background: var(--warm-card, rgba(255, 255, 255, 0.55));
    border: 1px solid var(--warm-line, rgba(0, 0, 0, 0.08));
    border-radius: var(--ruomi-radius-lg, 16px);
    padding: 1.5rem 1.35rem 1.65rem;
    backdrop-filter: blur(var(--glass-blur, 12px));
}

.vd-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 560;
    margin-bottom: 0.45rem;
    color: var(--warm-ink, #222);
}

.vd-input-row {
    display: flex;
    gap: 0.55rem;
}

.vd-input {
    flex: 1;
    min-width: 0;
    border: 1px solid var(--warm-line, rgba(0, 0, 0, 0.12));
    background: var(--warm-cream-2, rgba(255, 255, 255, 0.7));
    color: var(--warm-ink, #111);
    border-radius: 12px;
    padding: 0.85rem 1rem;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.vd-input:focus {
    border-color: var(--warm-teal, #7c3aed);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.vd-btn {
    border: none;
    border-radius: 12px;
    padding: 0.85rem 1.25rem;
    background: var(--accent-gradient, linear-gradient(135deg, #7C3AED, #EC4899));
    color: #fff;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.vd-btn:hover:not(:disabled) {
    transform: translateY(-1px);
}

.vd-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.vd-btn-wide {
    width: 100%;
    margin-top: 1.1rem;
    padding: 0.95rem 1.25rem;
}

.vd-btn-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: vd-spin 0.7s linear infinite;
    vertical-align: middle;
}

@keyframes vd-spin {
    to { transform: rotate(360deg); }
}

.vd-hint {
    margin: 0.65rem 0 0;
    font-size: 0.8rem;
    color: var(--warm-muted, #888);
}

.vd-error {
    margin-top: 1rem;
    padding: 0.75rem 0.9rem;
    border-radius: 10px;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    font-size: 0.9rem;
}

.vd-result {
    margin-top: 1.5rem;
    padding-top: 1.35rem;
    border-top: 1px solid var(--warm-line, rgba(0, 0, 0, 0.08));
}

.vd-preview {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}

.vd-thumb {
    width: 128px;
    height: 72px;
    object-fit: cover;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.08);
    flex-shrink: 0;
}

.vd-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0 0 0.35rem;
    line-height: 1.35;
    color: var(--warm-ink, #111);
}

.vd-sub {
    margin: 0;
    font-size: 0.85rem;
    color: var(--warm-muted, #888);
}

.vd-qualities {
    display: grid;
    gap: 0.5rem;
}

.vd-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    width: 100%;
    text-align: left;
    border: 1px solid var(--warm-line, rgba(0, 0, 0, 0.1));
    background: transparent;
    color: var(--warm-ink, #111);
    border-radius: 12px;
    padding: 0.8rem 1rem;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.vd-q:hover {
    border-color: var(--warm-teal, #a78bfa);
}

.vd-q.is-active {
    border-color: var(--warm-teal, #a78bfa);
    background: rgba(167, 139, 250, 0.12);
}

.vd-q-label {
    font-weight: 560;
    font-size: 0.95rem;
}

.vd-q-hint {
    font-size: 0.78rem;
    color: var(--warm-muted, #888);
}

.vd-legal {
    margin: 0.85rem 0 0;
    font-size: 0.72rem;
    color: var(--warm-muted, #888);
    line-height: 1.4;
}

.vd-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-top: 2.5rem;
}

.vd-features article h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0 0 0.35rem;
    color: var(--warm-ink, #111);
}

.vd-features article p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--warm-muted, #888);
    line-height: 1.45;
}

.vd-disabled {
    text-align: center;
    color: var(--warm-muted, #888);
}

@media (max-width: 640px) {
    .vd-main {
        padding-top: 2.25rem;
    }

    .vd-input-row {
        flex-direction: column;
    }

    .vd-btn {
        width: 100%;
    }

    .vd-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .vd-preview {
        flex-direction: column;
    }

    .vd-thumb {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 9;
    }
}