/* Modern Dashboard Styling */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: #333;
    line-height: 1.6;
}

/* Layout */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 280px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.admin-main {
    flex: 1;
    margin-left: 280px;
    padding: 0;
}

/* Sidebar Styling */
.sidebar-brand {
    padding: 40px 30px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand h3 {
    color: white;
    font-size: 24px;
    font-weight: 700;
    margin: 0;
}

.sidebar-nav {
    padding: 30px 0;
}

.nav-section {
    margin-bottom: 40px;
}

.nav-section-title {
    padding: 0 30px 15px;
    font-size: 12px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 15px 30px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    position: relative;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-left-color: rgba(255, 255, 255, 0.5);
    transform: translateX(5px);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-left-color: white;
}

.nav-link i {
    font-size: 20px;
    width: 24px;
    text-align: center;
}

/* Alerts */
.alert {
    padding: 20px 25px;
    border-radius: 15px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 500;
    border: none;
}

.alert-success {
    background: linear-gradient(135deg, #56ab2f 0%, #a8e6cf 100%);
    color: white;
}

.alert-error {
    background: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%);
    color: white;
}

.alert i {
    font-size: 24px;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-main {
        margin-left: 0;
    }
    
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .admin-sidebar.open {
        transform: translateX(0);
    }
}

/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}