:root {
    --primary-color: #6B7A54;
    --primary-light: #8a9c6d;
    --primary-dark: #8c9e6f;
    --secondary-color: #1f2937;
    --text-color: #e5e7eb;
    --text-light: #9ca3af;
    --bg-color: #111827;
    --sidebar-bg: #1f2937;
    --border-color: #374151;
    
    /* Status Colors */
    --status-active: #4caf50;
    --status-approved: #9c27b0;
    --status-pending: #ab47bc;
    --status-rejected: #f44336;
    --status-waiting: #ba68c8;
    --status-suspended: #d32f2f;
    --status-warning: #ff9800;

    --font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.sidebar-header h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.sidebar-menu {
    list-style: none;
    padding: 20px 0;
    flex-grow: 1;
}

.sidebar-menu li {
    margin-bottom: 5px;
}

.sidebar-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-color);
    text-decoration: none;
    transition: background-color 0.2s, color 0.2s;
    font-weight: 500;
}

.sidebar-menu a:hover, .sidebar-menu a.active {
    background-color: var(--primary-color);
    color: #ffffff;
}

/* Main Content */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    width: calc(100% - 260px);
}

.topbar {
    background-color: var(--sidebar-bg);
    height: 60px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

.content-area {
    padding: 30px;
    overflow-y: auto;
    flex-grow: 1;
}

/* Cards */
.card {
    background: var(--sidebar-bg);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
    padding: 20px;
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-dark);
}

/* Stats Row */
.stats-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.stat-box {
    flex: 1;
    min-width: 200px;
    background: var(--sidebar-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
    border-left: 4px solid var(--primary-color);
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.2s, opacity 0.2s;
    font-size: 0.9rem;
}

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

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

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: #e2e6ea;
}

.btn-danger {
    background-color: var(--status-rejected);
    color: white;
}

.btn-sm {
    padding: 4px 8px;
    font-size: 0.8rem;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--secondary-color);
    font-weight: 600;
    color: var(--text-light);
    white-space: nowrap;
}

th.sortable {
    cursor: pointer;
}

th.sortable:hover {
    color: var(--primary-color);
}

tr:hover {
    background-color: var(--secondary-color);
}

/* Badges / Status */
.badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    display: inline-block;
}
.badge-active { background-color: var(--status-active); }
.badge-approved { background-color: var(--status-approved); }
.badge-pending { background-color: var(--status-pending); }
.badge-rejected { background-color: var(--status-rejected); }
.badge-waiting { background-color: var(--status-waiting); }
.badge-suspended { background-color: var(--status-suspended); }
.badge-warning { background-color: var(--status-warning); color: #fff; }

/* Forms */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(107, 122, 84, 0.2);
}

/* Filters */
.filters-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    background: var(--sidebar-bg);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.filters-bar select {
    padding: 6px 10px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -260px;
        height: 100vh;
    }
    
    .sidebar.open {
        left: 0;
    }
    
    .main-content {
        width: 100%;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .stats-row {
        flex-direction: column;
    }
}