/* ═══════════════════════════════════════════════════════════
   YouTube Subtitle Downloader — Page-Specific CSS
   Uses shared components from global CSS (buttons, forms, badges, cards).
   Only layout and tool-specific rules here.
   ═══════════════════════════════════════════════════════════ */

/* ── Skip link (accessibility) ── */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white, #fff);
    padding: var(--space-2) var(--space-4);
    z-index: 1000;
    font-size: var(--font-size-sm);
    text-decoration: none;
    border-radius: 0 0 var(--radius-md, 8px) 0;
}
.skip-link:focus {
    top: 0;
}

/* ── Social proof ── */
.sd-social-proof {
    text-align: center;
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    margin-top: var(--space-3);
}
.sd-social-proof i {
    color: var(--color-primary);
    margin-right: var(--space-1);
}

/* ── Input section ── */
.sd-input-section {
    margin-bottom: var(--space-6);
}
.sd-input-section__title {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0 0 var(--space-1) 0;
}
.sd-input-section__hint {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin: 0 0 var(--space-4) 0;
}

.sd-input-row {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
}
.sd-input-wrap {
    flex: 1;
    margin-bottom: 0;
}
.sd-url-input {
    font-size: var(--font-size-base);
}
.sd-fetch-btn {
    white-space: nowrap;
    min-width: 160px;
    height: 44px;
}

/* ── Error ── */
.sd-error {
    background: var(--color-danger-50, #fef2f2);
    border: 1px solid var(--color-danger-200, #fecaca);
    border-radius: var(--radius-md, 8px);
    padding: var(--space-3) var(--space-4);
    color: var(--color-danger-700, #b91c1c);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-4);
}
.sd-error i {
    margin-right: var(--space-2);
}

/* ── Loading ── */
.sd-loading {
    text-align: center;
    padding: var(--space-10) 0;
}
.sd-loading__spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    margin: 0 auto var(--space-3);
    animation: sd-spin 0.7s linear infinite;
}
@keyframes sd-spin {
    to { transform: rotate(360deg); }
}
.sd-loading__text {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

/* ── Video preview ── */
.sd-video-preview {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3);
    background: var(--color-gray-50, #f9fafb);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md, 8px);
    margin-bottom: var(--space-4);
}
.sd-video-preview__thumb {
    width: 120px;
    height: 68px;
    object-fit: cover;
    border-radius: var(--radius-sm, 4px);
    flex-shrink: 0;
}
.sd-video-preview__link {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}
.sd-video-preview__link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* ── Format bar ── */
.sd-format-bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    padding: var(--space-3) var(--space-4);
    background: var(--color-gray-50, #f9fafb);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md, 8px);
    margin-bottom: var(--space-4);
}
.sd-format-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-700);
    white-space: nowrap;
}
.sd-format-label i {
    color: var(--color-primary);
    margin-right: var(--space-1);
}
.sd-format-options {
    display: flex;
    gap: var(--space-2);
}
.sd-format-btn {
    font-size: var(--font-size-sm) !important;
}
.sd-format-btn--active {
    pointer-events: none;
}
.sd-format-desc {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    flex-basis: 100%;
    margin-top: var(--space-1);
}

/* ── Batch bar ── */
.sd-batch-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    margin-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-gray-200);
}
.sd-batch-left {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}
.sd-select-all-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    cursor: pointer;
    font-weight: 600;
}
.sd-selected-count {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

/* ── Language list ── */
.sd-language-list {
    display: flex;
    flex-direction: column;
}
.sd-lang-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3);
    border-bottom: 1px solid var(--color-gray-100, #f3f4f6);
    transition: background 150ms ease;
}
.sd-lang-row:last-child {
    border-bottom: none;
}
.sd-lang-row:hover {
    background: var(--color-gray-50, #f9fafb);
}
.sd-lang-row__left {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex: 1;
    min-width: 0;
}
.sd-lang-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    flex-shrink: 0;
}
.sd-lang-name {
    font-size: var(--font-size-sm);
    color: var(--color-gray-800);
    font-weight: 500;
}
.sd-auto-badge {
    font-size: var(--font-size-xs) !important;
    padding: 2px 6px !important;
}
.sd-lang-row__right {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}
.sd-lang-size {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    font-family: var(--font-mono, monospace);
    min-width: 50px;
    text-align: right;
}

/* ── Preview panel ── */
.sd-preview-panel {
    margin-top: var(--space-4);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md, 8px);
    overflow: hidden;
}
.sd-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--space-3);
    background: var(--color-gray-50, #f9fafb);
    border-bottom: 1px solid var(--color-gray-200);
}
.sd-preview-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-700);
    margin: 0;
}
.sd-preview-title i {
    color: var(--color-primary);
    margin-right: var(--space-1);
}
.sd-preview-content {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-xs);
    font-family: var(--font-mono, monospace);
    color: var(--color-gray-700);
    line-height: 1.6;
    max-height: 300px;
    overflow-y: auto;
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    background: var(--color-white, #fff);
}

/* ── Cross-link ── */
.sd-transcript-link {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-top: var(--space-4);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-gray-100, #f3f4f6);
}
.sd-transcript-link a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}
.sd-transcript-link a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* ── Mobile ── */
@media (max-width: 767px) {
    .sd-input-row {
        flex-direction: column;
    }
    .sd-fetch-btn {
        width: 100%;
        min-width: unset;
    }
    .sd-format-bar {
        padding: var(--space-2) var(--space-3);
    }
    .sd-format-options {
        flex-wrap: wrap;
    }
    .sd-batch-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }
    .sd-batch-bar .button {
        width: 100%;
        justify-content: center;
    }
    .sd-lang-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
        padding: var(--space-2) var(--space-3);
    }
    .sd-lang-row__right {
        width: 100%;
        justify-content: flex-end;
    }
    .sd-video-preview {
        flex-direction: column;
        text-align: center;
    }
    .sd-video-preview__thumb {
        width: 100%;
        max-width: 200px;
        height: auto;
    }
    .sd-preview-content {
        max-height: 200px;
        font-size: var(--font-size-xs);
    }
}