/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 100%;
    margin: 0;
    background-color: white;
    min-height: 100vh;
}

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

header h1 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
}

/* Navigation */
nav {
    background-color: #2c3e50;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav li {
    margin: 0;
}

nav a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

nav a:hover, nav a.active {
    background-color: #34495e;
    border-bottom-color: #3498db;
}

/* Main content */
main {
    padding: 2rem;
    max-width: 100%;
    width: 100%;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

/* Location selection */
.location-selection {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    text-align: center;
}

.location-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 1.5rem 0;
}

.location-btn {
    background-color: rgba(255,255,255,0.2);
    border: 2px solid rgba(255,255,255,0.3);
    color: white;
    padding: 1rem 2rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    font-weight: 500;
}

.location-btn:hover {
    background-color: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

.location-btn.active {
    background-color: white;
    color: #f5576c;
}

.selected-location {
    margin-top: 1.5rem;
    font-size: 1.1rem;
    background-color: rgba(255,255,255,0.1);
    padding: 1rem;
    border-radius: 5px;
}

/* Quick stats */
.quick-stats {
    margin-top: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    border-left: 4px solid #3498db;
}

.stat-card h4 {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-card span {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: #2c3e50;
}

/* Forms */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2c3e50;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-right: 1rem;
    margin-bottom: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background-color: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
    transform: translateY(-2px);
}

/* Search form */
.search-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.search-form input {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

/* Filter form */
.filter-form {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 2rem;
}

.filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.filter-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2c3e50;
}

.filter-group select {
    width: 100%;
    padding: 0.5rem;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.filter-buttons {
    text-align: center;
    margin-top: 1.5rem;
}

/* Import/Export grid */
.import-export-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-left: 4px solid #3498db;
}

.card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.card code {
    background-color: #f1f2f6;
    padding: 1rem;
    border-radius: 5px;
    display: block;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
    margin: 1rem 0;
}

/* Results display */
#search-results, #filter-results {
    margin-top: 2rem;
}

.member-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

.member-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.member-name {
    font-size: 1.2rem;
    font-weight: 500;
}

.member-location {
    background-color: rgba(255,255,255,0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

.member-body {
    padding: 1rem;
}

.member-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-size: 0.8rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.25rem;
}

.detail-value {
    font-weight: 500;
    color: #2c3e50;
}

.member-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.btn-edit, .btn-delete {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-edit {
    background-color: #3498db;
    color: white;
}

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

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

.btn-delete:hover {
    background-color: #c0392b;
}

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

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 10px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: #999;
}

.close:hover {
    color: #333;
}

/* Payment section */
.payment-section {
    margin-top: 2rem;
    border-top: 2px solid #eee;
    padding-top: 2rem;
}

.year-selector {
    margin-bottom: 1rem;
}

.year-selector label {
    margin-right: 0.5rem;
    font-weight: 500;
}

.year-selector select {
    padding: 0.5rem;
    border: 2px solid #ddd;
    border-radius: 5px;
}

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

.payment-table th,
.payment-table td {
    padding: 0.75rem;
    text-align: center;
    border: 1px solid #ddd;
}

.payment-table th {
    background-color: #f8f9fa;
    font-weight: 500;
    color: #2c3e50;
}

.payment-input {
    width: 80px;
    padding: 0.25rem;
    border: 1px solid #ddd;
    border-radius: 3px;
    text-align: center;
}

.payment-status {
    padding: 0.25rem 0.5rem;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 500;
}

.payment-paid {
    background-color: #d4edda;
    color: #155724;
}

.payment-unpaid {
    background-color: #f8d7da;
    color: #721c24;
}

/* Status messages */
.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 5px;
    margin: 1rem 0;
    border-left: 4px solid #28a745;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 5px;
    margin: 1rem 0;
    border-left: 4px solid #dc3545;
}

.info-message {
    background-color: #d1ecf1;
    color: #0c5460;
    padding: 1rem;
    border-radius: 5px;
    margin: 1rem 0;
    border-left: 4px solid #17a2b8;
}

/* Loading spinner */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Status styling */
.status-active {
    color: #27ae60;
    font-weight: bold;
}

.status-inactive {
    color: #e74c3c;
    font-weight: bold;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        margin: 0;
        box-shadow: none;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    nav a {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    main {
        padding: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .location-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .location-btn {
        width: 100%;
        max-width: 200px;
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .filter-row {
        grid-template-columns: 1fr;
    }
    
    .import-export-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
        padding: 1rem;
    }
    
    .member-details {
        grid-template-columns: 1fr;
    }
    
    .member-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    header {
        padding: 1rem 0;
    }
    
    header h1 {
        font-size: 1.5rem;
    }
    
    nav ul {
        flex-direction: column;
    }
    
    nav a {
        text-align: center;
        border-bottom: 1px solid #34495e;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row-3 {
        grid-template-columns: 1fr;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        margin-right: 0;
    }
}