:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --info: #9b59b6;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --gray: #95a5a6;
    --border-radius: 12px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
.header {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px 30px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo i {
    font-size: 2.5rem;
    color: var(--secondary);
}

.logo h1 {
    color: var(--primary);
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.logo p {
    color: var(--gray);
    font-size: 0.9rem;
}

.date-time {
    text-align: right;
}

#current-date {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
}

#current-time {
    font-size: 1rem;
    color: var(--gray);
}

/* Main Content */
.main-content {
    display: grid;
    gap: 30px;
}

.card {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.card h2 {
    color: var(--primary);
    margin-bottom: 25px;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card h2 i {
    color: var(--secondary);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
}

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

.suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.suggestion-item {
    padding: 10px 15px;
    cursor: pointer;
    transition: var(--transition);
}

.suggestion-item:hover {
    background: var(--light);
}

.info-box {
    background: #e8f4fc;
    border-left: 4px solid var(--secondary);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.info-box i {
    color: var(--secondary);
    font-size: 1.2rem;
}

.info-box p {
    color: var(--primary);
    margin: 0;
}

/* Button Group */
.button-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.button-group button {
    padding: 20px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 600;
    color: white;
}

.button-group button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.button-group button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.button-group button i {
    font-size: 2rem;
}

.button-group button span {
    font-size: 1.2rem;
}

.button-group button small {
    font-weight: 400;
    opacity: 0.9;
    font-size: 0.9rem;
}

.btn-hadir {
    background: linear-gradient(135deg, var(--success), #219653);
}

.btn-sakit {
    background: linear-gradient(135deg, var(--warning), #d68910);
}

.btn-izin {
    background: linear-gradient(135deg, var(--info), #8e44ad);
}

/* Notification */
.notification {
    background: white;
    border-radius: 10px;
    padding: 20px;
    border: 2px solid var(--success);
    animation: slideIn 0.3s ease;
}

.notification.hidden {
    display: none;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.notification-content i {
    font-size: 2rem;
    color: var(--success);
}

.notification-content h3 {
    color: var(--primary);
    margin-bottom: 5px;
}

.notification-content p {
    color: var(--gray);
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    font-size: 1.2rem;
    margin-left: auto;
}

.close-btn:hover {
    color: var(--danger);
}

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

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

thead {
    background: var(--primary);
    color: white;
}

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

tbody tr:hover {
    background: #f8f9fa;
}

.status-hadir {
    color: var(--success);
    font-weight: 600;
}

.status-sakit {
    color: var(--warning);
    font-weight: 600;
}

.status-izin {
    color: var(--info);
    font-weight: 600;
}

.btn-refresh {
    background: var(--secondary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-refresh:hover {
    background: #2980b9;
}

.refresh-container {
    display: flex;
    justify-content: center;
}

/* Navigation */
.navigation {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.nav-link {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.nav-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    color: var(--secondary);
}

.nav-link i {
    font-size: 1.2rem;
}

/* Footer */
.footer {
    text-align: center;
    color: white;
    margin-top: 40px;
    padding: 20px;
}

.footer p {
    margin: 5px 0;
}

/* Animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .date-time {
        text-align: center;
    }
    
    .button-group {
        grid-template-columns: 1fr;
    }
    
    .card {
        padding: 20px;
    }
    
    .navigation {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}