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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #333;
}

/* Container Utama */
.container {
    width: 100%;
    max-width: 1200px;
    padding: 20px;
}

/* Halaman Utama */
.welcome-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.logo {
    margin-bottom: 30px;
}

.logo i {
    font-size: 4rem;
    color: #6a11cb;
    margin-bottom: 15px;
}

.logo h1 {
    color: #333;
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    color: #666;
    font-size: 1.2rem;
    margin-bottom: 40px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.feature {
    padding: 25px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.feature i {
    font-size: 2.5rem;
    color: #6a11cb;
    margin-bottom: 15px;
}

.feature h3 {
    margin-bottom: 10px;
    color: #333;
}

.feature p {
    color: #666;
    line-height: 1.6;
}

.action-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Form Container */
.form-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px;
    max-width: 500px;
    margin: 0 auto;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

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

.form-header i {
    font-size: 3rem;
    color: #6a11cb;
    margin-bottom: 15px;
}

.form-header h1 {
    color: #333;
    font-size: 2rem;
    margin-bottom: 10px;
}

.form-header p {
    color: #666;
}

/* Form Styles */
.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.form-group label i {
    margin-right: 8px;
    color: #6a11cb;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e1e1e1;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #6a11cb;
}

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
}

.form-text {
    display: block;
    margin-top: 5px;
    font-size: 0.85rem;
    color: #888;
}

/* Alert Styles */
.alert {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error {
    background: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.alert-success {
    background: #efe;
    color: #393;
    border: 1px solid #cfc;
}

.alert i {
    font-size: 1.2rem;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 30px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-block {
    width: 100%;
    display: flex;
}

.btn-primary {
    background: linear-gradient(to right, #6a11cb, #2575fc);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(106, 17, 203, 0.4);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

/* Form Footer */
.form-footer {
    margin-top: 30px;
    text-align: center;
    color: #666;
}

.form-footer a {
    color: #6a11cb;
    text-decoration: none;
    font-weight: 600;
}

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

/* Dashboard Styles */
.dashboard-container {
    display: flex;
    min-height: 100vh;
    background: #f8f9fa;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: linear-gradient(180deg, #2c3e50 0%, #1a2530 100%);
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: transform 0.3s ease;
    z-index: 1000;
}

.sidebar-header {
    padding: 25px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header i {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #6a11cb;
}

.sidebar-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
}

.user-info {
    padding: 25px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.avatar {
    font-size: 4rem;
    margin-bottom: 15px;
    color: #6a11cb;
}

.user-info h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.user-info p {
    color: #bbb;
    font-size: 0.9rem;
}

.kelas {
    background: rgba(106, 17, 203, 0.2);
    padding: 5px 10px;
    border-radius: 20px;
    margin-top: 10px;
    display: inline-block;
}

.sidebar-nav ul {
    list-style: none;
    padding: 20px 0;
}

.sidebar-nav li {
    margin-bottom: 5px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 25px;
    color: #bbb;
    text-decoration: none;
    transition: all 0.3s ease;
}

.sidebar-nav a:hover,
.sidebar-nav li.active a {
    background: rgba(106, 17, 203, 0.2);
    color: white;
    border-left: 4px solid #6a11cb;
}

.sidebar-nav i {
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 250px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-header {
    background: white;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #333;
    cursor: pointer;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.welcome {
    font-weight: 600;
    color: #555;
}

.date-time {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #666;
    font-size: 0.9rem;
}

/* Content Area */
.content {
    flex: 1;
    padding: 30px;
}

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

.stat-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
}

.bg-primary { background: linear-gradient(135deg, #6a11cb, #2575fc); }
.bg-secondary { background: linear-gradient(135deg, #ff416c, #ff4b2b); }
.bg-success { background: linear-gradient(135deg, #00b09b, #96c93d); }
.bg-info { background: linear-gradient(135deg, #17a2b8, #2dc9c9); }
.bg-warning { background: linear-gradient(135deg, #ff9966, #ff5e62); }
.bg-danger { background: linear-gradient(135deg, #ff416c, #ff4b2b); }
.bg-dark { background: linear-gradient(135deg, #343a40, #495057); }

.card-content h3 {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 5px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
}

/* Card Styles */
.card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    overflow: hidden;
}

.card-header {
    padding: 20px 30px;
    border-bottom: 1px solid #eee;
}

.card-header h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    color: #333;
}

.card-body {
    padding: 30px;
}

/* Student Info */
.student-info {
    display: grid;
    gap: 15px;
}

.info-row {
    display: flex;
    padding: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    width: 200px;
    font-weight: 600;
    color: #555;
}

.info-value {
    flex: 1;
    color: #333;
}

.status-active {
    color: #00b09b;
    font-weight: 600;
}

.status-active i {
    margin-right: 5px;
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
}

.quick-action:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    color: #6a11cb;
}

.action-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 10px;
}

.quick-action span {
    font-weight: 600;
}

/* Footer */
.footer {
    padding: 20px 30px;
    text-align: center;
    color: #666;
    border-top: 1px solid #eee;
    background: white;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .dashboard-container {
        flex-direction: column;
    }
    
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .header-right {
        flex-direction: column;
        align-items: flex-end;
        gap: 10px;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .stats-cards {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .form-container {
        padding: 25px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
    }
    
    .info-row {
        flex-direction: column;
        gap: 5px;
    }
    
    .info-label {
        width: 100%;
    }
}