:root {
    --bg-dark: #0f172a;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --danger: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Blobs */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.4;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: var(--primary);
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: #a855f7;
}

/* Dashboard Layout */
.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.dashboard-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 16px 24px;
    border-radius: 16px;
    margin-bottom: 24px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), #a855f7);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.logout-link {
    font-size: 12px;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.logout-link:hover {
    color: var(--danger);
}

/* Grid Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 24px;
}

@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Sections */
.upload-section,
.history-section {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
}

h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

/* Upload Area */
.upload-area {
    margin-top: 20px;
    border: 2px dashed var(--glass-border);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
}

.upload-area:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.upload-icon {
    color: var(--primary);
    margin-bottom: 12px;
}

/* History List */
.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--glass-border);
}

.history-list {
    flex: 1;
    overflow-y: auto;
    max-height: calc(100vh - 250px);
    padding-right: 5px;
}

/* Scrollbar */
.history-list::-webkit-scrollbar {
    width: 6px;
}

.history-list::-webkit-scrollbar-track {
    background: transparent;
}

.history-list::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 3px;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid var(--glass-border);
    transition: background 0.2s;
    border-radius: 8px;
    margin-bottom: 4px;
}

.history-item:hover,
.history-item.selected {
    background: rgba(255, 255, 255, 0.03);
}

.history-item.selected {
    border-left: 3px solid var(--primary);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.file-icon {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.file-name {
    font-weight: 500;
    color: var(--text-main);
}

.file-meta {
    margin-top: 2px;
    color: var(--text-muted);
}

/* Badges */
.sku-badge {
    font-size: 10px;
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid rgba(16, 185, 129, 0.2);
    font-weight: 600;
}

/* Buttons */
.print-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.print-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.bulk-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.bulk-btn {
    padding: 6px 12px;
    border-radius: 6px;
    border: none;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: filter 0.2s;
}

.bulk-btn.print {
    background: var(--primary);
    color: white;
}

.bulk-btn.delete {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.bulk-btn:hover {
    filter: brightness(1.1);
}

.bulk-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Custom Checkbox */
.custom-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary);
}

/* Batch Filter */
#batch-filter-container {
    padding-bottom: 0 !important;
}