:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --secondary: #0f172a;
    --accent: #3b82f6;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #10b981;
    --surface: #ffffff;
    --background: #f8fafc;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --glass: rgba(255, 255, 255, 0.7);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Outfit', 'Inter', sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.5;
}

.dashboard-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    background-color: var(--secondary);
    color: white;
    padding: 2rem 1.5rem;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1rem;
    color: #94a3b8;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    margin-bottom: 0.5rem;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255, 255, 255, 0.05);
    color: white;
}

.nav-link.active {
    background-color: var(--primary);
    color: white;
}

/* Main Content */
.main-content {
    padding: 2rem;
    overflow-y: auto;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.header h1 {
    font-size: 1.875rem;
    font-weight: 700;
}

/* Cards */
.card {
    background: var(--surface);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 1rem;
    border-left: 4px solid var(--primary);
    box-shadow: var(--shadow);
}

.stat-card h3 {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.stat-card .value {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Tables */
.table-container {
    background: var(--surface);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    background: #f8fafc;
    padding: 1rem;
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-light);
    font-weight: 600;
}

td {
    padding: 1rem;
    border-top: 1px solid var(--border);
}

tr:hover {
    background-color: #f1f5f9;
}

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background: #dcfce7;
    color: #166534;
}

.badge-warning {
    background: #fef9c3;
    color: #854d0e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

/* Buttons */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-outline {
    border: 1px solid var(--border);
    background: transparent;
}

/* Mobile Bottom Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    justify-content: space-around;
    padding: 0.75rem 0;
    border-top: 1px solid var(--border);
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.65rem;
    gap: 0.25rem;
}

.mobile-nav-item.active {
    color: var(--primary);
}

.mobile-nav-item i {
    width: 20px;
    height: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-layout {
        grid-template-columns: 1fr;
        padding-bottom: 70px;
        /* Space for bottom nav */
    }

    .sidebar {
        display: none;
    }

    .mobile-nav {
        display: flex;
    }

    .main-content {
        padding: 1rem;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .stat-grid {
        grid-template-columns: 1fr;
    }
}

/* Print Styles for Slips/Invoices */
@media print {

    .sidebar,
    .mobile-nav,
    .header,
    .btn,
    form {
        display: none !important;
    }

    .main-content {
        padding: 0 !important;
    }

    .card {
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
    }
}