/* ===== RESET & GLOBAL ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ===== INDEX PAGE - AVAILABILITY FORM ===== */
.container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 100%;
    overflow: hidden;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header {
    background: linear-gradient(135deg, #e60000 0%, #cc0000 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 2rem;
    margin-bottom: 5px;
}

.header p {
    opacity: 0.9;
    font-size: 0.95rem;
}

.content {
    padding: 40px;
}

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

label {
    display: block;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

select, input[type="date"] {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

select:focus, input[type="date"]:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.availability-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 8px;
}

.availability-option {
    position: relative;
}

.availability-option input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.availability-option label {
    display: block;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0;
    font-weight: 500;
}

.availability-option input[type="radio"]:checked + label {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: #667eea;
    transform: scale(1.05);
}

.availability-option label:hover {
    border-color: #667eea;
    transform: translateY(-2px);
}

.time-info {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 5px;
    display: block;
}

.btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn:active {
    transform: translateY(0);
}

.status-message {
    padding: 15px;
    border-radius: 10px;
    margin-top: 20px;
    text-align: center;
    font-weight: 500;
    display: none;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.status-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.status-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

.status-message.loading {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
    display: block;
}

.link-container {
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-top: 1px solid #e0e0e0;
}

.link-container a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.link-container a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* ===== SCHEDULE PAGE - GRAFIK ===== */
.schedule-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 1200px;
    width: 100%;
    overflow: hidden;
    animation: slideUp 0.5s ease;
}

.schedule-header {
    background: linear-gradient(135deg, #e60000 0%, #cc0000 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.schedule-header h1 {
    font-size: 2rem;
    margin-bottom: 5px;
}

.schedule-header p {
    opacity: 0.9;
    font-size: 0.95rem;
}

.schedule-actions {
    padding: 20px;
    display: flex;
    gap: 15px;
    justify-content: center;
    background: #f8f9fa;
    border-bottom: 1px solid #e0e0e0;
}

.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(40, 167, 69, 0.3);
}

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

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

#schedule-content {
    padding: 30px;
    min-height: 400px;
}

.loading-spinner {
    text-align: center;
    padding: 60px 20px;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.day-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.day-card:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.day-card h2 {
    color: #e60000;
    font-size: 1.5rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

.shift-item {
    padding: 12px 15px;
    margin: 10px 0;
    background: #f8f9fa;
    border-left: 4px solid #667eea;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.shift-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.shift-type {
    font-weight: 600;
    color: #333;
    font-size: 1.05rem;
}

.shift-employee {
    color: #667eea;
    font-weight: 500;
}

.shift-empty {
    border-left-color: #dc3545;
    background: #fff5f5;
}

.shift-empty .shift-employee {
    color: #dc3545;
    font-weight: 600;
}

.no-data {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.no-data h2 {
    color: #333;
    margin-bottom: 15px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .availability-grid {
        grid-template-columns: 1fr;
    }

    .schedule-actions {
        flex-direction: column;
    }

    .header h1, .schedule-header h1 {
        font-size: 1.5rem;
    }

    .content {
        padding: 25px;
    }

    #schedule-content {
        padding: 20px;
    }

    .day-card h2 {
        font-size: 1.25rem;
    }
}