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

body {
    font-family: 'Sarabun', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 1200px;
    margin: 20px;
}

.header {
    text-align: center;
    margin-bottom: 2rem;
    color: #333;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-tabs {
    display: flex;
    background: #f8f9fa;
    border-radius: 10px;
    margin-bottom: 2rem;
    overflow: hidden;
}

.nav-tab {
    flex: 1;
    padding: 1rem;
    text-align: center;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    color: #666;
}

.nav-tab.active {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
}

.nav-tab:hover {
    background: rgba(102, 126, 234, 0.1);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: #333;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.btn {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: transform 0.3s ease;
}

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

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

.btn-danger {
    background: #dc3545;
}

.btn-success {
    background: #28a745;
}

.tracking-result {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    margin-top: 2rem;
}

.milestone {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    position: relative;
}

.milestone::after {
    content: '';
    position: absolute;
    left: 25px;
    top: 50px;
    width: 2px;
    height: 80px;
    background: #e0e0e0;
}

.milestone:last-child::after {
    display: none;
}

.milestone.completed::after {
    background: #28a745;
}

.milestone.current::after {
    background: linear-gradient(to bottom, #28a745 50%, #e0e0e0 50%);
}

.milestone-icon {
    font-family: 'Segoe UI Emoji', 'Noto Color Emoji', 'Apple Color Emoji', sans-serif;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    margin-right: 1rem;
    background: #e0e0e0;
    color: #666;
    border: 3px solid #e0e0e0;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.milestone.completed .milestone-icon {
    background: #28a745;
    color: white;
    border-color: #28a745;
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.2);
}

.milestone.current .milestone-icon {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: 3px solid #fff;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.3), 0 0 20px rgba(102, 126, 234, 0.4);
    animation: highlight-pulse 2s infinite;
    transform: scale(1.1);
}

.milestone.current .milestone-icon::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border-radius: 50%;
    background: linear-gradient(45deg, #667eea, #764ba2);
    opacity: 0.2;
    animation: ripple 2s infinite;
}

@keyframes highlight-pulse {
    0% { 
        transform: scale(1.1);
        box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.3), 0 0 20px rgba(102, 126, 234, 0.4);
    }
    50% { 
        transform: scale(1.15);
        box-shadow: 0 0 0 6px rgba(102, 126, 234, 0.5), 0 0 25px rgba(102, 126, 234, 0.6);
    }
    100% { 
        transform: scale(1.1);
        box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.3), 0 0 20px rgba(102, 126, 234, 0.4);
    }
}

@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 0.2;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.1;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.milestone-content h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.milestone-content p {
    color: #666;
    font-size: 0.9rem;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.table th,
.table td {
    padding: 0.8rem;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

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

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

.status-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.status-1 { background: #ffc107; color: #333; }
.status-2 { background: #17a2b8; color: white; }
.status-3 { background: #fd7e14; color: white; }
.status-4 { background: #6f42c1; color: white; }
.status-5 { background: #28a745; color: white; }

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
}

.close {
    float: right;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
}

.close:hover {
    color: #333;
}

.login-form {
    max-width: 400px;
    margin: 0 auto;
}

.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 8px;
}

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

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

.complaint-detail {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    border: 1px solid #e0e0e0;
}

.response-section {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.response-item {
    padding: 0.8rem;
    margin-bottom: 0.5rem;
    border-left: 4px solid #667eea;
    background: white;
    border-radius: 0 8px 8px 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.stats {
    display: flex;
    justify-content: space-around;
    margin-bottom: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    min-width: 150px;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: #667eea;
}

.stat-label {
    color: #666;
    font-size: 0.9rem;
}