/* Base color variables */
:root {
    --primary-color: #D2691E;      /* Orange */
    --primary-dark: #A05016;       /* Darker Orange for hover */
    --secondary-color: #F5F5DC;    /* Beige/Brown */
    --text-color: #333333;         /* Dark Gray/Black */
    --accent-color: #2F4F4F;       /* Blue-Green accent */
    --accent-light: #3E6666;       /* Lighter Blue-Green */
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --danger: #dc3545;
    --success: #28a745;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--secondary-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

/* Layout */
.app {
    display: flex;
    flex: 1;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--accent-color); /* Changed to accent for better contrast */
    color: white;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    background: rgba(0,0,0,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 10px;
    border: 3px solid rgba(255,255,255,0.2);
}

.sidebar h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    color: var(--secondary-color);
    letter-spacing: 0.5px;
}

.nav-links {
    list-style: none;
    padding: 20px 0;
    flex: 1;
}

.nav-links li a {
    display: flex;
    align-items: center;
    padding: 12px 25px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: var(--transition);
    border-left: 4px solid transparent;
    font-size: 0.95rem;
}

.nav-links li a:hover,
.nav-links li a.active {
    background: rgba(255,255,255,0.1);
    color: white;
    border-left-color: var(--primary-color);
}

.nav-links .icon {
    margin-right: 12px;
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

/* Dropdown */
.dropdown-btn {
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dropdown-btn .arrow {
    font-size: 0.8rem;
    transition: transform 0.3s;
}

.dropdown-btn.open .arrow {
    transform: rotate(180deg);
}

.dropdown-content {
    display: none;
    background: rgba(0,0,0,0.2);
    padding: 5px 0;
}

.dropdown-content li a {
    padding-left: 55px;
    font-size: 0.9rem;
}

.logout-item {
    margin-top: auto;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px; /* Match sidebar width */
    padding: 30px 40px;
    background-color: #f4f6f8;
}

/* Headers */
header {
    margin-bottom: 30px;
}

.centered-header {
    color: var(--accent-color);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.centered-subtitle {
    color: #666;
    font-size: 1rem;
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow-md);
    margin-bottom: 25px;
    border: 1px solid var(--gray-200);
}

/* Dashboard Grid */
.quick-access-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
}

.quick-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-decoration: none;
    color: var(--text-color);
    position: relative;
    overflow: hidden;
}

.quick-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.quick-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    opacity: 0;
    transition: var(--transition);
}

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

.quick-card h4 {
    font-size: 1.1rem;
    color: var(--accent-color);
    margin-bottom: 8px;
    font-weight: 600;
}

.quick-card p {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--accent-color);
    font-size: 0.95rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--gray-100);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: white;
    box-shadow: 0 0 0 3px rgba(210, 105, 30, 0.1);
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.data-table, .item-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.data-table th, .item-table th {
    background: var(--accent-color);
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td, .item-table td {
    padding: 15px;
    border-bottom: 1px solid var(--gray-200);
    color: var(--text-color);
}

.data-table tr:hover, .item-table tr:hover {
    background-color: var(--gray-100);
}

/* Buttons */
.btn-submit, .btn-action {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.btn-submit:hover, .btn-action:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-remove {
    background-color: #ffebee;
    color: var(--danger);
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid #ffcdd2;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-remove:hover {
    background-color: var(--danger);
    color: white;
    border-color: var(--danger);
}

/* Footer */
.footer-brand {
    margin-left: 260px;
    padding: 20px;
    background: white;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    color: #666;
    font-size: 0.9rem;
}

.footer-logo {
    height: 30px;
    opacity: 0.8;
}

/* Select2 Customization */
.select2-container--default .select2-selection--single {
    height: 45px !important;
    padding: 8px !important;
    border: 1px solid var(--gray-300) !important;
    border-radius: 8px !important;
    background-color: var(--gray-100) !important;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 43px !important;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 0;
        overflow: hidden;
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .footer-brand {
        margin-left: 0;
    }
}