/* =============================================
   Bulk Processing Page Styles
   Super Modern — Glassmorphism & Animations
   ============================================= */

/* Upload Area — Premium Drop Zone for multi-file */
.bulk-upload-area {
    width: 100%;
    min-height: 240px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    position: relative;
    overflow: hidden;
}

/* Animated gradient border */
.bulk-upload-area::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-xl);
    padding: 2px;
    background: linear-gradient(
        135deg,
        var(--primary-color),
        var(--accent-color),
        #ec4899,
        var(--primary-color),
        var(--accent-color)
    );
    background-size: 300% 300%;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-normal);
    animation: border-sweep 3s ease infinite;
}

@keyframes border-sweep {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Floating particles */
.bulk-upload-area::after {
    content: '♪ ♫ ♩ ♬';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.2rem;
    opacity: 0;
    transition: all 0.6s ease;
    letter-spacing: 1.5rem;
    color: var(--primary-color);
    filter: blur(0);
    pointer-events: none;
}

.bulk-upload-area:hover::after {
    bottom: 15px;
    opacity: 0.25;
    filter: blur(1px);
}

.bulk-upload-area:hover::before {
    opacity: 1;
}

.bulk-upload-area:hover {
    border-color: transparent;
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover), var(--glow-primary);
}

.bulk-upload-area.dragover {
    border-color: transparent;
    background: rgba(99, 102, 241, 0.08);
    transform: scale(1.02);
    box-shadow: var(--card-shadow-hover), var(--glow-primary);
}

.bulk-upload-area.dragover::before {
    opacity: 1;
}

.bulk-upload-prompt {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem;
    gap: 0.75rem;
    z-index: 1;
}

.bulk-upload-prompt .upload-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 0.5rem;
    opacity: 0.8;
    transition: all var(--spring);
    filter: hue-rotate(30deg);
}

.bulk-upload-area:hover .upload-icon {
    opacity: 1;
    transform: translateY(-8px) scale(1.1);
}

.bulk-upload-prompt .upload-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    font-family: 'Space Grotesk', 'Outfit', sans-serif;
}

.bulk-upload-prompt .upload-subtitle {
    font-size: 0.875rem;
    color: var(--text-light);
}

.bulk-upload-prompt .upload-formats {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.format-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    border: 1px solid rgba(99, 102, 241, 0.15);
    transition: all var(--transition-fast);
}

.format-badge:hover {
    background: rgba(99, 102, 241, 0.18);
    transform: translateY(-1px);
}

:root.dark-mode .format-badge {
    background: rgba(129, 140, 248, 0.12);
    border-color: rgba(129, 140, 248, 0.15);
}

/* =============================================
   Stats Cards — Glassmorphic
   ============================================= */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    padding: 1.3rem 1rem;
    box-shadow: var(--card-shadow);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

/* Gradient top accent */
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--card-shadow-hover);
}

.stat-card.success::before {
    background: linear-gradient(90deg, var(--success-color), var(--success-dark));
}

.stat-card.error::before {
    background: linear-gradient(90deg, var(--danger-color), var(--danger-dark));
}

.stat-card.pending::before {
    background: linear-gradient(90deg, var(--secondary-color), var(--secondary-dark));
}

.stat-value {
    font-family: 'Space Grotesk', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.4rem;
}

.stat-card.success .stat-value {
    color: var(--success-color);
}

.stat-card.error .stat-value {
    color: var(--danger-color);
}

.stat-card.pending .stat-value {
    color: var(--secondary-color);
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

/* =============================================
   File Queue — with slide-in animations
   ============================================= */
.file-queue-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.75rem;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--glass-border);
}

.file-queue-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.file-queue-header h2 {
    font-family: 'Space Grotesk', 'Outfit', sans-serif;
    font-size: 1.3rem;
    color: var(--primary-color);
    margin: 0;
    font-weight: 600;
}

.file-queue-actions {
    display: flex;
    gap: 0.5rem;
}

.file-queue-empty {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.95rem;
}

.file-queue-list {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.file-queue-item {
    display: flex;
    align-items: center;
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
    transition: all var(--transition-fast);
    gap: 1rem;
    animation: queue-slide-in 0.35s ease both;
}

@keyframes queue-slide-in {
    from {
        opacity: 0;
        transform: translateX(-16px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.file-queue-item:last-child {
    border-bottom: none;
}

.file-queue-item:nth-child(even) {
    background: rgba(99, 102, 241, 0.02);
}

:root.dark-mode .file-queue-item:nth-child(even) {
    background: rgba(129, 140, 248, 0.03);
}

.file-queue-item:hover {
    background: rgba(99, 102, 241, 0.05);
}

:root.dark-mode .file-queue-item:hover {
    background: rgba(129, 140, 248, 0.06);
}

.file-queue-item .file-icon {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: var(--radius-sm);
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 700;
}

:root.dark-mode .file-queue-item .file-icon {
    background: linear-gradient(135deg, rgba(129, 140, 248, 0.12), rgba(167, 139, 250, 0.12));
}

.file-queue-item .file-details {
    flex: 1;
    min-width: 0;
}

.file-queue-item .file-name {
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-color);
}

.file-queue-item .file-size {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.file-queue-item .file-status {
    flex-shrink: 0;
}

.file-queue-item .remove-btn {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: none;
    background-color: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: 1.1rem;
    padding: 0;
}

.file-queue-item .remove-btn:hover {
    background: rgba(244, 63, 94, 0.1);
    color: var(--danger-color);
    transform: scale(1.1);
}

/* Status Badges — with glow */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.28rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.status-badge.pending {
    background: rgba(148, 163, 184, 0.1);
    color: var(--secondary-color);
}

.status-badge.processing {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    animation: badge-pulse 1.5s infinite;
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.15);
}

.status-badge.done {
    background: rgba(6, 214, 160, 0.1);
    color: var(--success-color);
    box-shadow: 0 0 8px rgba(6, 214, 160, 0.1);
}

.status-badge.error {
    background: rgba(244, 63, 94, 0.1);
    color: var(--danger-color);
}

@keyframes badge-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* =============================================
   Progress Bar — with shimmer
   ============================================= */
.progress-container {
    margin-bottom: 1.75rem;
    display: none;
}

.progress-container.active {
    display: block;
    animation: fadeInUp 0.4s ease;
}

.progress-bar-wrapper {
    width: 100%;
    height: 10px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--success-color));
    background-size: 200% 100%;
    border-radius: var(--radius-full);
    width: 0%;
    transition: width 0.4s ease;
    position: relative;
    animation: shimmer-progress 2s linear infinite;
}

@keyframes shimmer-progress {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.progress-text {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 500;
}

/* =============================================
   Mapping Config Panel (bulk-specific)
   ============================================= */
.bulk-mapping-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    margin-bottom: 1.75rem;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--glass-border);
}

.bulk-mapping-panel h2 {
    font-family: 'Space Grotesk', 'Outfit', sans-serif;
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.bulk-preset-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.preset-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-color);
}

.preset-group select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card-solid);
    color: var(--text-color);
    font-family: 'Outfit', sans-serif;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.preset-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-glow);
    transform: translateY(-1px);
}

:root.dark-mode .preset-group select {
    background-color: var(--bg-color);
    color: var(--text-color);
    border-color: var(--border-color);
}

.mapping-info-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 0.5rem;
}

/* =============================================
   Action Buttons (bulk)
   ============================================= */
.bulk-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.bulk-actions button {
    min-width: 190px;
    padding: 0.9rem 1.8rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.bulk-actions button:hover:not(:disabled) {
    transform: translateY(-3px) scale(1.02);
}

.bulk-actions button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    filter: grayscale(30%);
}

.btn-icon {
    display: inline-flex;
    font-size: 1.1rem;
}

/* =============================================
   Results Summary — Glassmorphic
   ============================================= */
.results-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    margin-bottom: 1.75rem;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--glass-border);
    display: none;
    position: relative;
    overflow: hidden;
}

/* Success gradient accent */
.results-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--success-color), var(--success-dark), var(--primary-color));
}

.results-panel.visible {
    display: block;
    animation: fadeInUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.results-panel h2 {
    font-family: 'Space Grotesk', 'Outfit', sans-serif;
    font-size: 1.3rem;
    color: var(--success-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 768px) {
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }

    .bulk-preset-grid {
        grid-template-columns: 1fr;
    }

    .bulk-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .bulk-actions button {
        min-width: auto;
    }

    .file-queue-item {
        padding: 0.6rem 0.75rem;
        gap: 0.75rem;
    }

    .file-queue-item .file-icon {
        width: 28px;
        height: 28px;
        font-size: 0.65rem;
    }

    .file-queue-header {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .stats-bar {
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }

    .stat-card {
        padding: 0.8rem 0.5rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }
}