/* Student Portal Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: #f5f5f5;
    color: #333;
}

/* Login Page */
.student-portal {
    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: 450px;
    padding: 20px;
}

.login-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

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

.login-header h1 {
    color: #667eea;
    font-size: 28px;
    margin-bottom: 10px;
}

.login-header h2 {
    color: #333;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
}

.login-header p {
    color: #666;
    font-size: 16px;
}

.login-form .form-group {
    position: relative;
    margin-bottom: 25px;
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.login-form input {
    width: 100%;
    padding: 12px 40px 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.login-form input:focus {
    outline: none;
    border-color: #667eea;
}

.login-form .form-group i {
    position: absolute;
    right: 15px;
    top: 42px;
    color: #999;
}

.login-form .btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.login-form .btn:hover {
    transform: translateY(-2px);
}

.login-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
}

.login-footer p {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
}

.login-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.login-footer a:hover {
    text-decoration: underline;
}

/* Dashboard Styles */
.student-dashboard {
    min-height: 100vh;
    background: #f5f5f5;
}

/* Dashboard Header */
.dashboard-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 24px;
    font-weight: bold;
}

.logo i {
    color: #ffd700;
    margin-right: 10px;
}

.student-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.student-info span {
    font-size: 16px;
    font-weight: 500;
}

.class-badge {
    background: rgba(255,255,255,0.2);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
}

/* Dashboard Navigation */
.dashboard-nav {
    background: white;
    border-bottom: 1px solid #e0e0e0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.dashboard-nav ul {
    list-style: none;
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.dashboard-nav li {
    border-right: 1px solid #e0e0e0;
}

.dashboard-nav li:last-child {
    border-right: none;
}

.dashboard-nav a {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: #666;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.dashboard-nav a:hover,
.dashboard-nav a.active {
    background: #f8f9fa;
    color: #667eea;
}

.dashboard-nav i {
    margin-right: 8px;
    font-size: 16px;
}

/* Dashboard Content */
.dashboard-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* Welcome Section */
.welcome-section {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.welcome-section h2 {
    color: #333;
    font-size: 28px;
    margin-bottom: 10px;
}

.welcome-section p {
    color: #666;
    font-size: 16px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-card:nth-child(1) .stat-icon {
    background: #3498db;
    color: white;
}

.stat-card:nth-child(2) .stat-icon {
    background: #2ecc71;
    color: white;
}

.stat-card:nth-child(3) .stat-icon {
    background: #f39c12;
    color: white;
}

.stat-card:nth-child(4) .stat-icon {
    background: #e74c3c;
    color: white;
}

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 5px;
}

.stat-info p {
    color: #666;
    font-size: 14px;
}

/* Recent Sections */
.recent-section {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.recent-section h2 {
    color: #333;
    font-size: 24px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #667eea;
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin-bottom: 20px;
}

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

table th,
table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
}

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

/* Grades */
.grade {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.grade-a { background: #d4edda; color: #155724; }
.grade-b { background: #cce5ff; color: #004085; }
.grade-c { background: #fff3cd; color: #856404; }
.grade-d { background: #f8d7da; color: #721c24; }

/* Status */
.status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-present { background: #d4edda; color: #155724; }
.status-absent { background: #f8d7da; color: #721c24; }
.status-late { background: #fff3cd; color: #856404; }

/* Notices */
.notices-list {
    margin-bottom: 20px;
}

.notice-item {
    background: #f8f9fa;
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.notice-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.notice-header h3 {
    color: #333;
    font-size: 18px;
}

.notice-date {
    color: #666;
    font-size: 14px;
}

.notice-item p {
    color: #666;
    margin-bottom: 10px;
}

.notice-type {
    display: inline-block;
    background: #667eea;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    text-transform: uppercase;
}

/* Section Footer */
.section-footer {
    text-align: right;
    margin-top: 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5a6fd8;
    transform: translateY(-2px);
}

.btn-danger {
    background: #e74c3c;
    color: white;
}

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

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .student-info {
        flex-direction: column;
        gap: 10px;
    }
    
    .dashboard-nav ul {
        flex-wrap: wrap;
    }
    
    .dashboard-nav li {
        border-right: none;
        border-bottom: 1px solid #e0e0e0;
    }
    
    .dashboard-nav li:last-child {
        border-bottom: none;
    }
    
    .dashboard-nav a {
        padding: 12px 15px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .notice-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .login-card {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .dashboard-content {
        padding: 20px 15px;
    }
    
    .recent-section {
        padding: 20px;
    }
    
    .welcome-section {
        padding: 20px;
    }
    
    .welcome-section h2 {
        font-size: 24px;
    }
    
    .stat-card {
        padding: 20px;
    }
    
    .stat-info h3 {
        font-size: 24px;
    }
    
    table th,
    table td {
        padding: 8px 10px;
        font-size: 14px;
    }
    
    .dashboard-nav i {
        margin-right: 5px;
        font-size: 14px;
    }
    
    .dashboard-nav a {
        padding: 10px 12px;
        font-size: 14px;
    }
}