/* ============================================
   VietSubPro - Frontend Styles
   Cinematic Asian Drama Aesthetic
   ============================================ */

/* CSS Variables */
.vsp-theme-dark {
    --vsp-bg: #0a0a0f;
    --vsp-surface: #14141f;
    --vsp-surface-2: #1e1e2e;
    --vsp-border: #2a2a3a;
    --vsp-text: #e8e6e3;
    --vsp-text-secondary: #8a8a9a;
    --vsp-accent: #d4af37;
    --vsp-accent-2: #c9302c;
    --vsp-success: #4ade80;
    --vsp-error: #f87171;
    --vsp-gradient: linear-gradient(135deg, #d4af37 0%, #c9302c 100%);
    --vsp-shadow: 0 4px 24px rgba(0,0,0,0.4);
}

.vsp-theme-light {
    --vsp-bg: #faf8f5;
    --vsp-surface: #ffffff;
    --vsp-surface-2: #f5f3f0;
    --vsp-border: #e0ddd8;
    --vsp-text: #1a1a2e;
    --vsp-text-secondary: #6b6b7b;
    --vsp-accent: #b8860b;
    --vsp-accent-2: #c9302c;
    --vsp-success: #16a34a;
    --vsp-error: #dc2626;
    --vsp-gradient: linear-gradient(135deg, #b8860b 0%, #c9302c 100%);
    --vsp-shadow: 0 4px 24px rgba(0,0,0,0.08);
}

/* Container */
.vsp-container {
    max-width: 960px;
    margin: 2rem auto;
    padding: 2.5rem;
    background: var(--vsp-bg);
    border-radius: 16px;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--vsp-text);
    line-height: 1.6;
    box-shadow: var(--vsp-shadow);
}

.vsp-container * {
    box-sizing: border-box;
}

/* Header */
.vsp-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--vsp-border);
}

.vsp-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.vsp-logo-icon {
    font-size: 2rem;
}

.vsp-logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--vsp-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.vsp-badge {
    background: var(--vsp-accent);
    color: #000;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.vsp-tagline {
    color: var(--vsp-text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* Usage Bar */
.vsp-usage-bar {
    background: var(--vsp-surface);
    border: 1px solid var(--vsp-border);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.vsp-usage-info {
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.vsp-usage-track {
    flex: 1;
    min-width: 100px;
    height: 6px;
    background: var(--vsp-surface-2);
    border-radius: 3px;
    overflow: hidden;
}

.vsp-usage-fill {
    height: 100%;
    background: var(--vsp-gradient);
    border-radius: 3px;
    transition: width 0.5s ease;
}

.vsp-remaining {
    font-size: 0.8rem;
    color: var(--vsp-success);
    font-weight: 600;
}

/* Settings */
.vsp-settings {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.vsp-setting-group {
    flex: 1;
    min-width: 140px;
}

.vsp-setting-group label {
    display: block;
    font-size: 0.75rem;
    color: var(--vsp-text-secondary);
    margin-bottom: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.vsp-setting-group select {
    width: 100%;
    padding: 0.6rem 0.75rem;
    background: var(--vsp-surface);
    border: 1px solid var(--vsp-border);
    border-radius: 8px;
    color: var(--vsp-text);
    font-size: 0.9rem;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238a8a9a' viewBox='0 0 16 16'%3E%3Cpath d='M8 12L2 6h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.vsp-setting-arrow {
    font-size: 1.2rem;
    color: var(--vsp-accent);
    padding-bottom: 0.5rem;
    font-weight: bold;
}

/* Mode Description */
.vsp-mode-desc {
    margin-bottom: 1.5rem;
}

.vsp-mode-info {
    display: none;
    font-size: 0.8rem;
    color: var(--vsp-text-secondary);
    padding: 0.6rem 0.8rem;
    background: var(--vsp-surface);
    border-radius: 8px;
    border-left: 3px solid var(--vsp-accent);
}

.vsp-mode-info.active {
    display: block;
}

/* Upload Area */
.vsp-upload-area {
    border: 2px dashed var(--vsp-border);
    border-radius: 16px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
    background: var(--vsp-surface);
}

.vsp-upload-area:hover,
.vsp-upload-area.vsp-dragover {
    border-color: var(--vsp-accent);
    background: var(--vsp-surface-2);
    transform: scale(1.01);
}

.vsp-upload-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.vsp-upload-text {
    font-size: 1rem;
    margin: 0.3rem 0;
}

.vsp-upload-subtext {
    font-size: 0.8rem;
    color: var(--vsp-text-secondary);
    margin: 0;
}

.vsp-upload-buttons {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.75rem;
    margin-bottom: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.vsp-btn-pick-file,
.vsp-btn-pick-folder {
    padding: 0.6rem 1.2rem;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.vsp-btn-pick-file {
    background: var(--vsp-accent);
    color: #000;
}

.vsp-btn-pick-file:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.vsp-btn-pick-folder {
    background: var(--vsp-surface-2);
    color: var(--vsp-text);
    border: 1px solid var(--vsp-border);
}

.vsp-btn-pick-folder:hover {
    background: var(--vsp-border);
    transform: translateY(-1px);
}

/* File Info */
.vsp-file-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--vsp-surface);
    border: 1px solid var(--vsp-border);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
}

.vsp-file-details {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.vsp-file-icon {
    font-size: 1.5rem;
}

.vsp-file-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.vsp-file-size {
    font-size: 0.75rem;
    color: var(--vsp-text-secondary);
}

.vsp-btn-remove {
    background: none;
    border: none;
    color: var(--vsp-text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: all 0.2s;
}

.vsp-btn-remove:hover {
    background: var(--vsp-error);
    color: #fff;
}

/* Buttons */
.vsp-actions {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.vsp-btn {
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.vsp-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.vsp-btn-clean {
    background: var(--vsp-surface-2);
    color: var(--vsp-text);
    border: 1px solid var(--vsp-border);
    flex: 1;
}

.vsp-btn-clean:hover:not(:disabled) {
    background: var(--vsp-border);
}

.vsp-btn-translate {
    background: var(--vsp-gradient);
    color: #fff;
    flex: 1;
    justify-content: center;
}

.vsp-btn-translate:hover:not(:disabled) {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
}

.vsp-btn-download {
    background: var(--vsp-success);
    color: #000;
    flex: 1;
    justify-content: center;
}

.vsp-btn-download:hover:not(:disabled) {
    opacity: 0.9;
}

.vsp-btn-new {
    background: var(--vsp-surface-2);
    color: var(--vsp-text);
    border: 1px solid var(--vsp-border);
}

.vsp-btn-new:hover {
    background: var(--vsp-border);
}

.vsp-btn-share {
    background: #1877f2;
    color: #fff;
    padding: 0.6rem 1.5rem;
}

.vsp-btn-share:hover {
    background: #166fe5;
}

.vsp-btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

/* Progress */
.vsp-progress {
    margin-bottom: 1rem;
}

.vsp-progress-bar {
    height: 8px;
    background: var(--vsp-surface-2);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.vsp-progress-fill {
    height: 100%;
    background: var(--vsp-gradient);
    border-radius: 4px;
    width: 0%;
    transition: width 0.5s ease;
    animation: vsp-shimmer 2s infinite;
}

@keyframes vsp-shimmer {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

.vsp-progress-text {
    font-size: 0.85rem;
    color: var(--vsp-text-secondary);
    text-align: center;
}

/* Results */
.vsp-results {
    background: var(--vsp-surface);
    border: 1px solid var(--vsp-border);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.vsp-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.vsp-results-header h3 {
    margin: 0;
    font-size: 1.1rem;
}

.vsp-results-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--vsp-text-secondary);
}

.vsp-stat-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.vsp-stat-value {
    color: var(--vsp-accent);
    font-weight: 700;
}

/* Preview */
.vsp-preview {
    margin-bottom: 1rem;
}

.vsp-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    color: var(--vsp-text-secondary);
}

.vsp-btn-toggle {
    background: none;
    border: none;
    color: var(--vsp-accent);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 2px 6px;
}

.vsp-preview-content {
    background: var(--vsp-surface-2);
    border: 1px solid var(--vsp-border);
    border-radius: 8px;
    padding: 1rem;
    font-size: 0.82rem;
    line-height: 1.8;
    max-height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'Consolas', 'Monaco', monospace;
    color: var(--vsp-text);
}

/* Download Area */
.vsp-download-area {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Error */
.vsp-error {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid var(--vsp-error);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--vsp-error);
}

/* Limit Reached */
.vsp-limit-reached {
    text-align: center;
    padding: 2rem 1rem;
    background: var(--vsp-surface);
    border-radius: 12px;
    border: 1px solid var(--vsp-border);
    margin-bottom: 1rem;
}

.vsp-limit-icon { font-size: 3rem; margin-bottom: 0.5rem; }
.vsp-limit-reached h3 { margin: 0.5rem 0; color: var(--vsp-accent); }
.vsp-limit-desc { color: var(--vsp-text-secondary); font-size: 0.9rem; margin-bottom: 0.5rem; }

/* Option Cards Grid */
.vsp-limit-options {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 1rem;
    margin-top: 1rem;
    text-align: left;
}

.vsp-option-card {
    position: relative;
    background: var(--vsp-surface-2);
    border: 1px solid var(--vsp-border);
    border-radius: 14px;
    padding: 1.3rem 1rem;
    text-align: center;
    transition: all 0.3s;
}

.vsp-option-card:hover {
    border-color: var(--vsp-accent);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.vsp-option-badge {
    position: absolute;
    top: -10px;
    right: 12px;
    background: var(--vsp-success);
    color: #000;
    font-size: 0.68rem;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 20px;
}

.vsp-option-icon { font-size: 2.2rem; margin-bottom: 0.4rem; }
.vsp-option-title { font-weight: 700; font-size: 0.95rem; margin-bottom: 0.3rem; }
.vsp-option-desc { font-size: 0.78rem; color: var(--vsp-text-secondary); margin-bottom: 0.8rem; }

.vsp-btn-watchad {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    color: #fff;
    padding: 0.55rem 1.3rem;
    border: none;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.vsp-btn-watchad:hover { opacity: 0.9; transform: translateY(-1px); }

/* Ad Modal Overlay */
.vsp-ad-overlay {
    position: fixed;
    inset: 0;
    z-index: 999999;
    background: rgba(0,0,0,0.88);
    backdrop-filter: blur(6px);
    display: none;
    align-items: center;
    justify-content: center;
}

.vsp-ad-overlay.show { display: flex !important; }

.vsp-ad-modal {
    background: #111120;
    border: 1px solid #2a2a3e;
    border-radius: 18px;
    width: 92%;
    max-width: 500px;
    overflow: hidden;
    box-shadow: 0 16px 60px rgba(0,0,0,0.6);
    animation: vsp-modal-pop 0.4s cubic-bezier(0.22,1,0.36,1);
}

@keyframes vsp-modal-pop {
    from { opacity: 0; transform: scale(0.88) translateY(24px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.vsp-ad-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.2rem;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid #2a2a3e;
    font-weight: 600;
    font-size: 0.88rem;
    color: #ccc;
}

.vsp-ad-timer-badge {
    background: var(--vsp-accent, #d4af37);
    color: #000;
    font-weight: 800;
    font-size: 0.78rem;
    padding: 3px 12px;
    border-radius: 20px;
}

.vsp-ad-content {
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    position: relative;
}

.vsp-ad-default {
    text-align: center;
    padding: 1.5rem;
}

.vsp-ad-default-icon { font-size: 3.5rem; margin-bottom: 0.6rem; }
.vsp-ad-default-title { font-weight: 700; font-size: 1.05rem; color: var(--vsp-accent, #d4af37); margin-bottom: 0.5rem; }
.vsp-ad-default-text { font-size: 0.85rem; color: #888; line-height: 1.7; }

.vsp-ad-footer {
    padding: 0.8rem 1.2rem 1rem;
    border-top: 1px solid #2a2a3e;
    text-align: center;
}

.vsp-ad-progressbar {
    height: 5px;
    background: rgba(255,255,255,0.06);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.7rem;
}

.vsp-ad-progressfill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #d4af37, #4ade80);
    border-radius: 3px;
    transition: width 1s linear;
}

.vsp-ad-status {
    font-size: 0.82rem;
    color: #888;
}

.vsp-btn-claim {
    background: linear-gradient(135deg, #4ade80, #16a34a);
    color: #000;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 0.7rem 1.8rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    font-family: inherit;
    animation: vsp-btn-glow 1.5s ease infinite;
}

.vsp-btn-claim:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 24px rgba(74,222,128,0.3);
}

@keyframes vsp-btn-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(74,222,128,0.4); }
    50% { box-shadow: 0 0 0 10px rgba(74,222,128,0); }
}

/* Rewarded Ad Slides */
.vsp-rad-wrap {
    width: 100%;
    text-align: center;
}

.vsp-rad-slide {
    display: none;
    padding: 1.5rem 1rem;
    animation: vsp-rad-fade 0.5s ease;
}

.vsp-rad-slide.active { display: block; }

@keyframes vsp-rad-fade {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.vsp-rad-emoji { font-size: 2.8rem; margin-bottom: 0.5rem; }

.vsp-rad-title {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 0.4rem;
    color: var(--vsp-accent, #d4af37);
}

.vsp-rad-desc {
    font-size: 0.85rem;
    color: #999;
    line-height: 1.6;
    margin-bottom: 0.8rem;
}

.vsp-rad-desc strong { color: #4ade80; }

.vsp-rad-cta {
    display: inline-block;
    background: linear-gradient(135deg, #d4af37, #f5d066);
    color: #000;
    font-weight: 700;
    font-size: 0.82rem;
    padding: 0.45rem 1.3rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.vsp-rad-cta:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(212,175,55,0.3);
}

.vsp-rad-dots {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 0.6rem;
}

.vsp-rad-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #333;
    cursor: pointer;
    transition: all 0.3s;
}

.vsp-rad-dot.active {
    background: #d4af37;
    width: 20px;
    border-radius: 4px;
}

/* Footer */
.vsp-footer {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--vsp-border);
    margin-top: 1rem;
}

.vsp-footer p {
    margin: 0.2rem 0;
    font-size: 0.8rem;
    color: var(--vsp-text-secondary);
}

.vsp-footer-note {
    font-size: 0.7rem !important;
}

/* History */
.vsp-history-container {
    max-width: 960px;
    margin: 1rem auto;
}

.vsp-history-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.vsp-history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--vsp-surface, #fff);
    border: 1px solid var(--vsp-border, #e0e0e0);
    border-radius: 10px;
    padding: 0.75rem 1rem;
}

.vsp-history-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.vsp-history-icon {
    font-size: 1.3rem;
}

.vsp-history-meta {
    display: block;
    font-size: 0.75rem;
    color: #888;
    margin-top: 2px;
}

.vsp-history-empty {
    text-align: center;
    color: #888;
    padding: 2rem;
}

/* Admin Styles */
.vsp-admin .vsp-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.vsp-stat-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.vsp-stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: #1a1a2e;
}

.vsp-stat-label {
    font-size: 0.85rem;
    color: #666;
    margin-top: 0.25rem;
}

.vsp-info-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.vsp-info-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 1.25rem;
}

.vsp-info-card h3 {
    margin-top: 0;
}

.vsp-status-ok { color: green; font-weight: 600; }
.vsp-status-error { color: red; font-weight: 600; }

/* Comparison Table */
.vsp-compare-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--vsp-border);
}

.vsp-compare-title {
    text-align: center;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
}

.vsp-compare-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--vsp-surface);
    border: 1px solid var(--vsp-border);
    border-radius: 12px;
    overflow: hidden;
}

.vsp-compare-table th {
    padding: 0.75rem 1rem;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--vsp-text-secondary);
    border-bottom: 1px solid var(--vsp-border);
    text-align: left;
    font-weight: 600;
}

.vsp-compare-table td {
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--vsp-border);
    vertical-align: top;
    line-height: 1.6;
}

.vsp-compare-table tr:last-child td {
    border-bottom: none;
}

.vsp-col-original {
    color: var(--vsp-text-secondary);
    width: 28%;
}

.vsp-col-google {
    color: var(--vsp-error);
    width: 36%;
}

.vsp-col-vsp {
    color: var(--vsp-success);
    width: 36%;
}

/* Feature Cards */
.vsp-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

/* File List (from folder selection) */
.vsp-file-list {
    background: var(--vsp-surface);
    border: 1px solid var(--vsp-border);
    border-radius: 14px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.vsp-file-list-header {
    font-size: 0.88rem;
    margin-bottom: 0.75rem;
    color: var(--vsp-text-secondary);
}

.vsp-file-list-items {
    max-height: 300px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.vsp-file-list-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.8rem;
    background: var(--vsp-surface-2);
    border: 1px solid var(--vsp-border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
}

.vsp-file-list-item:hover {
    border-color: var(--vsp-accent);
    background: var(--vsp-bg);
    transform: translateX(4px);
}

.vsp-fli-icon {
    font-size: 1.2rem;
}

.vsp-fli-name {
    flex: 1;
    font-size: 0.88rem;
    font-weight: 500;
}

.vsp-fli-size {
    font-size: 0.72rem;
    color: var(--vsp-text-secondary);
}

.vsp-feature-card {
    background: var(--vsp-surface);
    border: 1px solid var(--vsp-border);
    border-radius: 14px;
    padding: 1.2rem;
    text-align: center;
    transition: all 0.3s;
}

.vsp-feature-card:hover {
    border-color: var(--vsp-accent);
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.vsp-feature-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.vsp-feature-title {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}

.vsp-feature-desc {
    font-size: 0.75rem;
    color: var(--vsp-text-secondary);
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 640px) {
    .vsp-container {
        margin: 0.5rem;
        padding: 1rem;
    }
    .vsp-settings {
        flex-direction: column;
    }
    .vsp-setting-arrow {
        display: none;
    }
    .vsp-actions {
        flex-direction: column;
    }
    .vsp-info-row {
        grid-template-columns: 1fr;
    }
    .vsp-compare-table th,
    .vsp-compare-table td {
        padding: 0.5rem 0.6rem;
        font-size: 0.78rem;
    }
    .vsp-features {
        grid-template-columns: repeat(2, 1fr);
    }
    .vsp-limit-options {
        grid-template-columns: 1fr;
    }
}