:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-card: #1a1f2e;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: #1e293b;
    --success: #22c55e;
    --warning: #eab308;
    --danger: #ef4444;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

.navbar {
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.navbar .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.3s;
}

.navbar .nav-link:hover {
    color: var(--text-primary);
}

.navbar-brand {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-section {
    padding: 100px 0 80px;
    background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.1), transparent 50%),
                radial-gradient(ellipse at bottom, rgba(139, 92, 246, 0.05), transparent 50%);
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-weight: 700;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    margin: 10px auto 0;
    border-radius: 2px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.15);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: opacity 0.3s;
}

.product-card:hover::before {
    opacity: 1;
}

.product-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    margin-bottom: 16px;
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.product-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.product-material {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.product-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.product-quantity {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    padding: 10px 24px;
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.card {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 16px 20px;
}

.form-control, .form-select {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 10px;
    padding: 12px 16px;
}

.form-control:focus, .form-select:focus {
    background: var(--bg-secondary);
    border-color: var(--accent-primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-label {
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.table {
    margin-bottom: 0;
}

.table-dark {
    --bs-table-bg: var(--bg-card);
    --bs-table-border-color: var(--border-color);
}

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.stat-box {
    text-align: center;
    padding: 12px 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.stat-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge {
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
}

.alert {
    border-radius: 10px;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}