/* Variables */
:root {
    --sidebar-bg: #1e293b;
    --sidebar-text: #94a3b8;
    --sidebar-hover-bg: #0f172a;
    --sidebar-hover-text: #f8fafc;
    --sidebar-active-text: #3b82f6;
    --accent-color: #3b82f6;
    --body-bg: #f8fafc;
}

body {
    background-color: var(--body-bg);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    overflow-x: hidden;
}

/* Sidebar Styling */
.sidebar {
    width: 250px;
    height: 100vh;
    background-color: var(--sidebar-bg);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1.5rem;
    text-align: center;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-nav {
    padding: 1rem 0;
    flex-grow: 1;
}

.sidebar-nav .nav-link {
    color: var(--sidebar-text);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    transition: all 0.2s;
}

.sidebar-nav .nav-link:hover {
    color: var(--sidebar-hover-text);
    background-color: var(--sidebar-hover-bg);
}

.sidebar-nav .nav-link.active {
    color: var(--sidebar-active-text);
    background-color: var(--sidebar-hover-bg);
    border-left: 3px solid var(--accent-color);
}

/* Main Content Styling */
.main-content {
    margin-left: 250px;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

.navbar {
    padding: 1rem 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

/* Cards & Tables */
.card {
    border: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    color: #64748b;
}

.product-thumb {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 4px;
    background-color: #e2e8f0;
}

/* Utilities */
.text-primary {
    color: var(--accent-color) !important;
}
.bg-primary {
    background-color: var(--accent-color) !important;
}
.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}
.btn-primary:hover {
    background-color: #2563eb;
    border-color: #2563eb;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
}