/* styles.css */
:root {
    --primary: #3498db;
    --secondary: #2980b9;
    --dark: #2c3e50;
    --light: #ecf0f1;
    --success: #2ecc71;
    --warning: #e67e22;
    --danger: #e74c3c;
    --sidebar-blue: #1e88e5;
    --sidebar-blue-dark: #1565c0;
    --hover-blue: rgba(255, 255, 255, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f7fa;
    color: #333;
}

.container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: linear-gradient(135deg, #1e88e5, #1565c0);
    color: white;
    padding: 30px 0;
    box-shadow: 2px 0 10px rgba(0, 123, 255, 0.2); 
    position: fixed;
    height: 100%;
}

.brand {
    padding: 0 25px 25px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 20px;
}

.brand h1 {
    margin: 0;
    font-size: 1.8rem;
    color: white;
}

.brand p {
    margin: 5px 0 0;
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

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

.menu li a,
.menu li a.active,
.menu li a:hover {
    font-size: 1.1rem;
    font-weight: 500;
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    background: none;
    transition: all 0.3s ease;
    border-radius: 0;
}

.menu li a:hover, .menu li a.active {
    background: #2196F3;
    border-left: 4px solid #ffffff;
    color: #fff;
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.4);
}

.menu li a.active {
    background: #2196F3;
    color: #fff;
    font-weight: 600;
}

.menu li a:hover:not(.active) {
    background: #2196F3;
    color: #fff;
}

.menu li a i {
    margin-right: 15px;
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

.submenu {
    display: none;
    background: linear-gradient(135deg, #1e88e5, #1565c0);
    padding-left: 0;
}

.submenu li a {
    padding-left: 60px;
    font-size: 0.95rem;
    border-left: none;
}

.submenu li a:hover {
    background: #2196F3;
    color: #fff;
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.4);
    transform: translateX(3px);
}

.has-submenu.active .submenu {
    display: block;
}

.main-content {
    flex: 1;
    padding: 30px;
    margin-left: 280px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.welcome-box {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.welcome-box h1 {
    margin-top: 0;
    color: var(--dark);
}

.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    text-align: center;
}

.stat-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.stat-card h3 {
    margin: 0;
    font-size: 1.8rem;
    color: var(--dark);
}

.stat-card p {
    margin: 5px 0 0;
    color: #777;
}

.user-actions button {
    background: none;
    border: none;
    color: var(--dark);
    font-size: 1.2rem;
    margin-left: 15px;
    cursor: pointer;
}

.logout-container {
    position: absolute;
    bottom: 100px;
    left: 0;
    width: 100%;
    text-align: center;
}

.logout-btn {
    background: #e74c3c;
    color: #fff;
    border: none;
    padding: 12px 30px;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    width: 80%;
    margin: 0 auto;
    transition: background 0.2s;
}

.logout-btn:hover {
    background: #c0392b;
}