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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Main Content */
.main-content {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

/* Verification Box */
.verification-box {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 30px;
    border-left: 5px solid #3498db;
}

.verification-box h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 25px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.verify-btn {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
}

.verify-btn:hover {
    background: linear-gradient(135deg, #2980b9 0%, #3498db 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.3);
}

/* Certificate Result */
.certificate-result {
    background: white;
    border: 2px solid #e3e6f0;
    border-radius: 10px;
    padding: 30px;
    margin-top: 30px;
    position: relative;
}

.certificate-result h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-badge {
    display: inline-block;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

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

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

.certificate-details {
    display: grid;
    gap: 15px;
    margin-bottom: 30px;
}

.detail-row {
    display: flex;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.detail-label {
    font-weight: 600;
    color: #2c3e50;
    min-width: 250px;
}

.detail-value {
    color: #555;
    flex: 1;
}

.status-text {
    font-weight: 600;
}

/* Validity Note */
.validity-note {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
}

.validity-note p {
    margin-bottom: 10px;
    color: #856404;
}

.whatsapp-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #25d366;
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 10px;
    transition: all 0.3s ease;
}

.whatsapp-link:hover {
    background: #128c7e;
    transform: translateY(-2px);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.print-btn {
    background: #2c3e50;
    color: white;
}

.print-btn:hover {
    background: #34495e;
    transform: translateY(-2px);
}

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

.new-search-btn:hover {
    background: #7f8c8d;
}

/* Admin Panel */
.admin-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.add-btn {
    background: linear-gradient(135deg, #27ae60 0%, #219653 100%);
    color: white;
}

.view-site-btn {
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
    color: white;
}

/* Table */
.certificates-table {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    overflow-x: auto;
}

.certificates-table h2 {
    margin-bottom: 20px;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

table th {
    background: #f8f9fa;
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: #2c3e50;
    border-bottom: 2px solid #dee2e6;
}

table td {
    padding: 15px;
    border-bottom: 1px solid #dee2e6;
}

table tr:hover {
    background: #f8f9fa;
}

.action-cells {
    display: flex;
    gap: 8px;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

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

.renew-btn {
    background: #f39c12;
    color: white;
}

.renew-btn:hover {
    background: #e67e22;
}

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

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

/* Stats Box */
.stats-box {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat {
    background: white;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.stat h3 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 10px;
}

.stat p {
    color: #7f8c8d;
    font-weight: 600;
}

/* Forms */
.form-container {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

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

.form-group small {
    display: block;
    margin-top: 5px;
    color: #7f8c8d;
    font-size: 0.9rem;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.submit-btn {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
}

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

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

.back-btn {
    background: #7f8c8d;
    color: white;
    margin-bottom: 20px;
}

/* Messages */
.message {
    padding: 15px 20px;
    border-radius: 6px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

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

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 6px;
    margin-top: 20px;
    border: 1px solid #f5c6cb;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Current Dates */
.current-dates {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin: 20px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

.date-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* No Data */
.no-data {
    text-align: center;
    padding: 40px;
    color: #7f8c8d;
}

.no-data i {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.5;
}

/* Admin Link */
.admin-link {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.admin-link a {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
}

.admin-link a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
        flex-direction: column;
        gap: 10px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .detail-row {
        flex-direction: column;
        gap: 5px;
    }
    
    .detail-label {
        min-width: auto;
    }
    
    .stats-box {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .action-cells {
        flex-wrap: wrap;
    }
    
    table {
        font-size: 0.9rem;
    }
    
    table th,
    table td {
        padding: 10px;
    }
}