:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --accent: #1abc9c;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --gradient-start: #3498db;
    --gradient-end: #2ecc71;
    --shadow: 0 10px 30px rgba(0,0,0,0.1);
    --border-radius: 12px;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--light);
    color: var(--dark);
}

/* Login Styles */
.login-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo-container {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.logo-container i {
    font-size: 40px;
    color: white;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--dark);
}

.login-header p {
    color: #7f8c8d;
    font-size: 14px;
}

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

.login-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
}

.login-form label i {
    margin-right: 8px;
    color: var(--secondary);
}

.login-form input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
}

.login-form input:focus {
    border-color: var(--secondary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.btn-primary {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(52, 152, 219, 0.4);
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
    font-size: 12px;
    color: #95a5a6;
}

/* Dashboard Styles */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--dark);
    color: white;
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 20px;
}

.sidebar-brand h2 {
    font-size: 18px;
    margin-bottom: 5px;
}

.sidebar-brand small {
    font-size: 12px;
    opacity: 0.7;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active {
    background: rgba(255,255,255,0.1);
    color: white;
    border-left-color: var(--secondary);
}

.sidebar-menu li a i {
    margin-right: 12px;
    width: 20px;
    text-align: center;
}

.main-content {
    margin-left: 260px;
    padding: 20px;
    width: calc(100% - 260px);
}

/* Cards */
.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    cursor: pointer;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.stat-card .stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    margin-bottom: 15px;
}

.stat-card h3 {
    font-size: 28px;
    font-weight: 700;
    margin: 10px 0 5px;
}

.stat-card p {
    color: #7f8c8d;
    font-size: 14px;
    margin: 0;
}

/* Tables */
.table-container {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    margin-top: 20px;
}

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

.table th {
    background: var(--light);
    padding: 12px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: 12px;
    border-bottom: 1px solid #e0e0e0;
}

.table tr:hover {
    background: #f8f9fa;
}

/* Badge */
.badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-warning {
    background: #fff3cd;
    color: #856404;
}

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}