/* Video2SRT — Components v2.0
 * Refactored: Enhanced depth, micro-interactions, better visual hierarchy
 */

/* ── Button ───────────────────────────────────────────────────────────── */
.btn {
    --_btn-bg: var(--color-bg-elev-3);
    --_btn-fg: var(--color-text);
    --_btn-border: var(--color-border-strong);
    --_btn-bg-hover: var(--color-bg-elev-4);
    --_btn-shadow: var(--shadow-xs);

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    height: 36px;
    padding: 0 var(--space-md);
    background: var(--_btn-bg);
    color: var(--_btn-fg);
    border: 1px solid var(--_btn-border);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    line-height: 1;
    cursor: pointer;
    box-shadow: var(--_btn-shadow);
    transition:
        background-color var(--duration-fast) var(--ease-out),
        color var(--duration-fast) var(--ease-out),
        border-color var(--duration-fast) var(--ease-out),
        box-shadow var(--duration-fast) var(--ease-out),
        transform var(--duration-fast) var(--ease-out);
    white-space: nowrap;
    user-select: none;
}
.btn:hover {
    background: var(--_btn-bg-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}
.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-xs);
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; transform: none; }
.btn > svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn-sm { height: 30px; padding: 0 var(--space-sm); font-size: var(--text-xs); border-radius: var(--radius-sm); }
.btn-lg { height: 44px; padding: 0 var(--space-lg); font-size: var(--text-md); border-radius: var(--radius-lg); }
.btn-icon { padding: 0; width: 36px; height: 36px; }
.btn-icon.btn-sm { width: 30px; height: 30px; }
.btn-icon.btn-lg { width: 44px; height: 44px; }
.btn-block { display: flex; width: 100%; }

.btn-primary {
    --_btn-bg: var(--color-accent);
    --_btn-fg: #FFFFFF;
    --_btn-border: var(--color-accent);
    --_btn-bg-hover: var(--color-accent-hover);
    --_btn-shadow: 0 2px 8px rgba(225, 29, 72, 0.25);
}
.btn-primary:hover {
    border-color: var(--color-accent-hover);
    box-shadow: 0 4px 16px rgba(225, 29, 72, 0.30);
}

.btn-success {
    --_btn-bg: var(--color-success);
    --_btn-fg: #FFFFFF;
    --_btn-border: var(--color-success);
    --_btn-bg-hover: #16A34A;
    --_btn-shadow: 0 2px 8px rgba(34, 197, 94, 0.20);
}
.btn-success:hover { box-shadow: 0 4px 16px rgba(34, 197, 94, 0.25); }

.btn-danger {
    --_btn-bg: var(--color-error);
    --_btn-fg: #FFFFFF;
    --_btn-border: var(--color-error);
    --_btn-bg-hover: #DC2626;
    --_btn-shadow: 0 2px 8px rgba(239, 68, 68, 0.20);
}

.btn-ghost {
    --_btn-bg: transparent;
    --_btn-fg: var(--color-text-muted);
    --_btn-border: transparent;
    --_btn-bg-hover: var(--color-bg-elev-3);
    --_btn-shadow: none;
}
.btn-ghost:hover { color: var(--color-text); box-shadow: none; }

.btn-secondary {
    --_btn-bg: var(--color-bg-elev-3);
    --_btn-fg: var(--color-text-muted);
    --_btn-border: var(--color-border-strong);
    --_btn-bg-hover: var(--color-bg-elev-4);
}
.btn-secondary:hover { color: var(--color-text); }

.btn[aria-pressed="true"],
.btn.is-active {
    background: var(--color-accent-soft);
    color: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow-accent);
}

/* Spinner adjacent to text inside button */
.btn .spinner-inline {
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* ── Input / Select / Textarea ───────────────────────────────────────── */
.input,
.select,
.textarea {
    display: block;
    width: 100%;
    height: 40px;
    padding: 0 var(--space-md);
    background: var(--color-bg-elev-3);
    color: var(--color-text);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    box-shadow: var(--shadow-inset);
    transition:
        border-color var(--duration-fast) var(--ease-out),
        box-shadow var(--duration-fast) var(--ease-out),
        background var(--duration-fast) var(--ease-out);
}
.input::placeholder,
.textarea::placeholder { color: var(--color-text-subtle); }

.input:focus,
.select:focus,
.textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: var(--shadow-focus), var(--shadow-inset);
    background: var(--color-bg-elev-2);
}

.input[aria-invalid="true"] {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px var(--color-error-soft), var(--shadow-inset);
}

.textarea {
    height: auto;
    min-height: 96px;
    padding: var(--space-sm) var(--space-md);
    line-height: var(--leading-normal);
    resize: vertical;
    font-family: var(--font-mono);
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.field-label {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-muted);
}
.field-error {
    font-size: var(--text-xs);
    color: var(--color-error);
    min-height: 16px;
}

/* Select wrapper for custom arrow */
.select-wrap { position: relative; display: block; }
.select {
    appearance: none;
    padding-right: var(--space-2xl);
    cursor: pointer;
}
.select-wrap::after {
    content: '';
    position: absolute;
    right: 14px;
    top: 50%;
    width: 7px;
    height: 7px;
    border-right: 2px solid var(--color-text-subtle);
    border-bottom: 2px solid var(--color-text-subtle);
    transform: translateY(-65%) rotate(45deg);
    pointer-events: none;
    transition: border-color var(--duration-fast) var(--ease-out);
}
.select-wrap:hover::after { border-color: var(--color-text-muted); }

/* Password input wrap */
.pwd-wrap { position: relative; }
.pwd-wrap .input { padding-right: 44px; }
.pwd-toggle {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 0;
    color: var(--color-text-subtle);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}
.pwd-toggle:hover { color: var(--color-text); background: var(--color-bg-elev-2); }
.pwd-toggle > svg { width: 18px; height: 18px; }

/* ── Badge ────────────────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    font-size: var(--text-2xs);
    font-weight: var(--weight-semibold);
    line-height: 1.4;
    border-radius: var(--radius-full);
    background: var(--color-bg-elev-3);
    color: var(--color-text-muted);
    letter-spacing: 0.01em;
}
.badge > svg { width: 12px; height: 12px; }
.badge-success { background: var(--color-success-soft); color: var(--color-success); }
.badge-warning { background: var(--color-warning-soft); color: var(--color-warning); }
.badge-error { background: var(--color-error-soft); color: var(--color-error); }
.badge-info { background: var(--color-info-soft); color: var(--color-info); }
.badge-accent { background: var(--color-accent-soft); color: var(--color-accent); }

/* ── Card ─────────────────────────────────────────────────────────────── */
.card {
    background: var(--color-bg-elev-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition:
        border-color var(--duration-fast) var(--ease-out),
        box-shadow var(--duration-fast) var(--ease-out);
}
.card:hover {
    border-color: var(--color-border-strong);
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-elev-1);
}
.card-header h3,
.card-header h4 {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
}
.card-header svg { width: 16px; height: 16px; color: var(--color-accent); }
.card-body { padding: var(--space-md); }
.card-footer {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
}

/* ── Progress ─────────────────────────────────────────────────────────── */
.progress {
    width: 100%;
    height: 6px;
    background: var(--color-bg-elev-3);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-inset);
}
.progress-bar {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--color-accent), #F43F5E, var(--color-accent));
    background-size: 200% 100%;
    border-radius: var(--radius-full);
    transition: width var(--duration-slow) var(--ease-out);
}
.progress-bar.is-animated {
    animation: gradientShift 2s ease infinite, progressStripe 0.6s linear infinite;
    background-image: linear-gradient(135deg,
        rgba(255,255,255,0.18) 25%, transparent 25%,
        transparent 50%, rgba(255,255,255,0.18) 50%,
        rgba(255,255,255,0.18) 75%, transparent 75%, transparent),
        linear-gradient(90deg, var(--color-accent), #F43F5E);
    background-size: 1rem 1rem, 100% 100%;
}
.progress-text {
    margin-top: 6px;
    font-size: var(--text-2xs);
    color: var(--color-text-subtle);
    font-family: var(--font-mono);
    text-align: right;
}

/* ── Spinner ──────────────────────────────────────────────────────────── */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border-strong);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    flex-shrink: 0;
}
.spinner-lg { width: 36px; height: 36px; border-width: 3px; }

/* ── Skeleton ─────────────────────────────────────────────────────────── */
.skeleton {
    display: block;
    background: linear-gradient(90deg,
        var(--color-bg-elev-3) 0%,
        var(--color-bg-elev-2) 50%,
        var(--color-bg-elev-3) 100%);
    background-size: 800px 100%;
    border-radius: var(--radius-sm);
    animation: shimmer 1.4s infinite linear;
}
.skeleton-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-bg-elev-2);
}

/* ── Empty state ──────────────────────────────────────────────────────── */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    color: var(--color-text-subtle);
    gap: var(--space-sm);
}
.empty-state-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--color-bg-elev-3);
    color: var(--color-text-subtle);
    margin-bottom: var(--space-md);
    border: 1px solid var(--color-border);
}
.empty-state-icon > svg { width: 28px; height: 28px; }
.empty-state h4 { font-size: var(--text-md); color: var(--color-text-muted); }
.empty-state p { font-size: var(--text-sm); color: var(--color-text-subtle); max-width: 320px; }

/* ── Toast ────────────────────────────────────────────────────────────── */
.toast-region {
    position: fixed;
    top: var(--space-md);
    right: var(--space-md);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: 380px;
    width: calc(100% - var(--space-2xl));
    pointer-events: none;
}
.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-left: 3px solid var(--color-text-subtle);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    animation: fadeInUp var(--duration-base) var(--ease-out) both;
}
.toast.is-leaving {
    animation: fadeIn var(--duration-fast) var(--ease-out) reverse forwards;
}
.toast-success { border-left-color: var(--color-success); }
.toast-error   { border-left-color: var(--color-error); }
.toast-warning { border-left-color: var(--color-warning); }
.toast-info    { border-left-color: var(--color-info); }

.toast-icon { flex-shrink: 0; padding-top: 2px; }
.toast-icon > svg { width: 18px; height: 18px; }
.toast-success .toast-icon { color: var(--color-success); }
.toast-error .toast-icon { color: var(--color-error); }
.toast-warning .toast-icon { color: var(--color-warning); }
.toast-info .toast-icon { color: var(--color-info); }

.toast-body { flex: 1; min-width: 0; }
.toast-title { font-size: var(--text-sm); font-weight: var(--weight-semibold); color: var(--color-text); }
.toast-message { font-size: var(--text-sm); color: var(--color-text-muted); line-height: var(--leading-snug); }

.toast-close {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 0;
    border-radius: var(--radius-sm);
    color: var(--color-text-subtle);
    cursor: pointer;
    transition: color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}
.toast-close:hover { color: var(--color-text); background: var(--color-bg-elev-3); }
.toast-close > svg { width: 14px; height: 14px; }

/* ── Dialog (native <dialog>) ─────────────────────────────────────────── */
dialog.dialog {
    margin: auto;
    padding: 0;
    background: var(--color-bg-elev-1);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    width: min(95vw, 560px);
    max-height: min(90vh, 720px);
    overflow: hidden;
    animation: fadeInScale var(--duration-base) var(--ease-out);
}
dialog.dialog::backdrop {
    background: rgba(5, 5, 16, 0.80);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    animation: fadeIn var(--duration-fast) var(--ease-out);
}
dialog.dialog-lg { width: min(95vw, 1100px); max-height: min(92vh, 840px); }

.dialog-inner {
    display: flex;
    flex-direction: column;
    max-height: inherit;
}
.dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-elev-1);
}
.dialog-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-md);
    font-weight: var(--weight-semibold);
}
.dialog-title > svg { width: 20px; height: 20px; color: var(--color-accent); }
.dialog-body { flex: 1; min-height: 0; overflow-y: auto; padding: var(--space-lg); }
.dialog-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--color-border);
}

/* ── Dropzone ─────────────────────────────────────────────────────────── */
.dropzone {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl) var(--space-xl);
    background: var(--color-bg-elev-2);
    border: 2px dashed var(--color-border-strong);
    border-radius: var(--radius-xl);
    text-align: center;
    cursor: pointer;
    overflow: hidden;
    transition:
        border-color var(--duration-base) var(--ease-out),
        background var(--duration-base) var(--ease-out),
        box-shadow var(--duration-base) var(--ease-out);
}
/* Subtle gradient background on hover */
.dropzone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, var(--color-accent-soft), transparent 70%);
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-out);
    pointer-events: none;
}
.dropzone:hover::before,
.dropzone:focus-visible::before,
.dropzone.is-dragover::before { opacity: 1; }

.dropzone:hover,
.dropzone:focus-visible,
.dropzone.is-dragover {
    border-color: var(--color-accent);
    background: var(--color-bg-elev-2);
    box-shadow: var(--shadow-glow-accent);
}
.dropzone-icon {
    width: 72px;
    height: 72px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--color-bg-elev-3);
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
    border: 1px solid var(--color-border);
    transition:
        background var(--duration-base) var(--ease-out),
        transform var(--duration-base) var(--ease-out),
        box-shadow var(--duration-base) var(--ease-out);
}
.dropzone-icon > svg { width: 32px; height: 32px; }
.dropzone:hover .dropzone-icon,
.dropzone.is-dragover .dropzone-icon {
    background: var(--color-accent-soft);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-accent);
}
.dropzone h3 { font-size: var(--text-lg); margin-bottom: var(--space-xs); position: relative; }
.dropzone p { font-size: var(--text-sm); color: var(--color-text-subtle); max-width: 420px; position: relative; }
.dropzone-hint {
    margin-top: var(--space-lg);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    font-size: var(--text-xs);
    color: var(--color-text-subtle);
    position: relative;
}

/* ── Recording indicator ──────────────────────────────────────────────── */
.recording-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-success-soft);
    border: 1px solid var(--color-success);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    color: var(--color-success);
    box-shadow: var(--shadow-glow-success);
}
.recording-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-success);
    animation: recordPulse 1.2s var(--ease-in-out) infinite;
}
.recording-time {
    font-family: var(--font-mono);
    font-weight: var(--weight-medium);
}

/* ── Cue list ────────────────────────────────────────────────────────── */
.cue-list { max-height: 200px; overflow-y: auto; }
.cue-empty {
    padding: var(--space-md);
    font-size: var(--text-xs);
    color: var(--color-text-subtle);
    text-align: center;
}
.cue-item {
    display: grid;
    grid-template-columns: 22px 1fr auto auto;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-out);
}
.cue-item:last-child { border-bottom: 0; }
.cue-item:hover,
.cue-item:focus-visible { background: var(--color-bg-elev-3); }
.cue-item.is-active {
    background: var(--color-accent-soft) !important;
    border-left: 3px solid var(--color-accent);
    padding-left: calc(var(--space-md) - 3px);
}
.cue-item-num {
    font-family: var(--font-mono);
    font-size: var(--text-2xs);
    font-weight: var(--weight-semibold);
    color: var(--color-accent);
    text-align: right;
}
.cue-item-time {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}
.cue-item-arrow { color: var(--color-text-subtle); }
.cue-edit-group {
    display: inline-flex;
    gap: 4px;
}
@media (hover: hover) {
    .cue-edit-group { opacity: 0; transition: opacity var(--duration-fast) var(--ease-out); }
    .cue-item:hover .cue-edit-group,
    .cue-item:focus-within .cue-edit-group { opacity: 1; }
}
.cue-edit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--color-bg-elev-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: var(--text-2xs);
    font-weight: var(--weight-semibold);
    transition: border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.cue-edit-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.cue-item-del {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: transparent;
    border: 0;
    color: var(--color-text-subtle);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}
.cue-item-del:hover { color: var(--color-error); background: var(--color-error-soft); }
.cue-item-del > svg { width: 14px; height: 14px; }

/* ── OCR result item ─────────────────────────────────────────────────── */
.ocr-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-elev-2);
    border: 1px solid var(--color-border);
    border-left-width: 3px;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    cursor: pointer;
    transition:
        border-color var(--duration-fast) var(--ease-out),
        background var(--duration-fast) var(--ease-out),
        box-shadow var(--duration-fast) var(--ease-out),
        transform var(--duration-fast) var(--ease-out);
}
.ocr-item:last-child { margin-bottom: 0; }
.ocr-item:hover {
    background: var(--color-bg-elev-3);
    border-color: var(--color-border-strong);
    transform: translateX(2px);
}
.ocr-item.is-active {
    background: var(--color-accent-soft) !important;
    border-color: var(--color-accent) !important;
    border-left-color: var(--color-accent) !important;
    box-shadow: var(--shadow-glow-accent);
}
.ocr-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}
.ocr-item-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}
.ocr-retry-btn {
    width: 24px !important;
    height: 24px !important;
    padding: 0 !important;
    opacity: 0;
    transition: opacity var(--duration-fast) var(--ease-out);
}
.ocr-item:hover .ocr-retry-btn { opacity: 1; }
@media (hover: none) { .ocr-retry-btn { opacity: 1; } }
.ocr-item-time {
    font-family: var(--font-mono);
    font-size: var(--text-2xs);
    color: var(--color-accent);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.ocr-item-text {
    font-size: var(--text-sm);
    color: var(--color-text);
    line-height: var(--leading-snug);
    word-break: break-word;
}
.ocr-item-empty {
    font-size: var(--text-xs);
    color: var(--color-text-subtle);
    font-style: italic;
}
.ocr-item.conf-high  { border-left-color: var(--color-success); }
.ocr-item.conf-mid   { border-left-color: var(--color-warning); }
.ocr-item.conf-low   { border-left-color: var(--color-error); }
.ocr-item.conf-none  { border-left-color: var(--color-border-strong); }

/* ── Frame strip ─────────────────────────────────────────────────────── */
.frame-strip {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-elev-1);
    overflow-x: auto;
    scroll-behavior: smooth;
    box-shadow: var(--shadow-inset);
}
.frame-strip:empty { display: none; }
.frame-thumb {
    flex: 0 0 88px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 4px;
    background: var(--color-bg-elev-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    transition:
        border-color var(--duration-fast) var(--ease-out),
        background var(--duration-fast) var(--ease-out),
        transform var(--duration-fast) var(--ease-out),
        box-shadow var(--duration-fast) var(--ease-out);
}
.frame-thumb:hover,
.frame-thumb:focus-visible {
    border-color: var(--color-accent);
    background: var(--color-bg-elev-3);
    transform: translateY(-1px);
}
.frame-thumb.in-range {
    border-color: var(--range-color, var(--color-success));
    background: var(--range-color-soft, var(--color-success-soft));
    box-shadow: 0 0 0 1px var(--range-color-glow, rgba(34, 197, 94, 0.25));
}
.frame-thumb.is-active {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
    box-shadow: 0 0 0 2px var(--color-accent-glow);
}
.frame-thumb img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: 3px;
    background: var(--color-bg);
    display: block;
}
.frame-thumb span {
    font-family: var(--font-mono);
    font-size: var(--text-2xs);
    text-align: center;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── Timeline ────────────────────────────────────────────────────────── */
.timeline {
    position: relative;
    width: 100%;
    height: 36px;
    background: var(--color-bg-elev-1);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: grab;
    user-select: none;
    overflow: visible;
    touch-action: none;
    box-shadow: var(--shadow-inset);
}
.timeline:active { cursor: grabbing; }
.timeline.is-handle-dragging { cursor: col-resize; }
.timeline-track {
    position: absolute;
    top: 50%;
    left: var(--space-sm);
    right: var(--space-sm);
    height: 5px;
    background: var(--color-bg-elev-3);
    border-radius: var(--radius-full);
    transform: translateY(-50%);
}
.timeline-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), #F43F5E);
    border-radius: var(--radius-full);
    transition: width 50ms linear;
    position: absolute;
    inset: 0;
    width: 0;
    box-shadow: 0 0 8px rgba(225, 29, 72, 0.30);
}
.timeline-marker {
    position: absolute;
    top: 50%;
    width: 14px;
    height: 14px;
    background: var(--color-accent);
    border: 2px solid var(--color-bg);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    z-index: 2;
    transition: box-shadow var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}
.timeline-marker.is-range { background: var(--range-color, var(--color-success)); }
.timeline-marker:hover {
    box-shadow: 0 0 0 4px var(--color-accent-soft);
    transform: translate(-50%, -50%) scale(1.2);
}
.timeline-range {
    position: absolute;
    top: 50%;
    height: 16px;
    background: var(--range-color-soft, var(--color-success-soft));
    border: 1px solid var(--range-color-border, rgba(34, 197, 94, 0.45));
    border-radius: var(--radius-sm);
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 1;
    transition: background var(--duration-fast) var(--ease-out);
}
.timeline-range.is-dragging {
    background: var(--range-color-soft, rgba(34, 197, 94, 0.25));
    border-color: var(--range-color, var(--color-success));
}

/* Range drag handles */
.timeline-handle {
    position: absolute;
    top: 50%;
    width: 6px;
    height: 24px;
    background: var(--range-color, var(--color-success));
    border: 1px solid var(--color-bg);
    border-radius: 3px;
    transform: translateY(-50%);
    cursor: col-resize;
    z-index: 3;
    pointer-events: auto;
    opacity: 0;
    transition: opacity var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}
.timeline-range:hover ~ .timeline-handle,
.timeline-handle:hover,
.timeline-handle.is-dragging,
.timeline:hover .timeline-handle { opacity: 1; }
.timeline-handle:hover,
.timeline-handle.is-dragging { background: var(--color-accent); }
.timeline-handle-start { left: 0; transform: translate(-50%, -50%); }
.timeline-handle-end { right: 0; transform: translate(50%, -50%); }

/* Drag tooltip */
.timeline-drag-tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    padding: 3px 10px;
    background: var(--color-bg-elev-2);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--text-2xs);
    color: var(--color-accent);
    white-space: nowrap;
    pointer-events: none;
    z-index: 10;
    box-shadow: var(--shadow-md);
    animation: fadeIn var(--duration-fast) var(--ease-out);
}

/* ── SRT preview ─────────────────────────────────────────────────────── */
.srt-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: var(--leading-snug);
}
.srt-entry {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-elev-1);
    transition: border-color var(--duration-fast) var(--ease-out);
}
.srt-entry:hover { border-color: var(--color-border-strong); }
.srt-entry-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-2xs);
}
.srt-index { color: var(--color-accent); font-weight: var(--weight-semibold); }
.srt-time { color: var(--color-text-subtle); }
.srt-text { color: var(--color-text); white-space: pre-wrap; }

/* ── Help shortcuts list ─────────────────────────────────────────────── */
.shortcut-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.shortcut-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
}
.shortcut-row:last-child { border-bottom: 0; }
.shortcut-row span:first-child { color: var(--color-text-muted); font-size: var(--text-sm); }
.shortcut-keys { display: inline-flex; gap: 4px; }

/* ── Batch video list ─────────────────────────────────────────────────── */
.batch-list-wrapper {
    width: 100%;
    max-width: 720px;
    margin-top: var(--space-xl);
}
.batch-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}
.batch-header h3 {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-md);
}
.batch-actions {
    display: flex;
    gap: var(--space-sm);
}
.batch-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}
.batch-item {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-elev-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    box-shadow: var(--shadow-xs);
    transition:
        border-color var(--duration-fast) var(--ease-out),
        background var(--duration-fast) var(--ease-out),
        box-shadow var(--duration-fast) var(--ease-out),
        transform var(--duration-fast) var(--ease-out);
}
.batch-item:hover {
    border-color: var(--color-border-strong);
    background: var(--color-bg-elev-3);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}
.batch-item.is-active {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow-accent);
}
.batch-item-status {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    flex-shrink: 0;
    font-weight: var(--weight-semibold);
}
.batch-item-status.status-pending { background: var(--color-bg-elev-3); color: var(--color-text-subtle); }
.batch-item-status.status-uploading { background: var(--color-info-soft); color: var(--color-info); }
.batch-item-status.status-detecting { background: var(--color-warning-soft); color: var(--color-warning); }
.batch-item-status.status-ready { background: var(--color-success-soft); color: var(--color-success); }
.batch-item-status.status-error { background: var(--color-error-soft); color: var(--color-error); }
.batch-item-info { min-width: 0; }
.batch-item-name {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.batch-item-meta {
    font-size: var(--text-xs);
    color: var(--color-text-subtle);
    margin-top: 2px;
}
.batch-item-progress {
    width: 100%;
    height: 4px;
    background: var(--color-bg-elev-3);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-top: 6px;
    box-shadow: var(--shadow-inset);
}
.batch-item-progress-bar {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--color-accent), #F43F5E, var(--color-accent));
    background-size: 200% 100%;
    border-radius: var(--radius-full);
    transition: width 150ms var(--ease-out);
    animation: gradientShift 2s ease infinite;
}
.batch-item-ranges {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    white-space: nowrap;
}
.batch-item-actions {
    display: flex;
    gap: var(--space-xs);
}