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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

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

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #ddd;
}

header h1 {
    color: #2c3e50;
}

.header-actions {
    display: flex;
    gap: 10px;
}

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #2c3e50;
}

/* Forms */
.form-container {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input:disabled {
    background-color: #f5f5f5;
    cursor: not-allowed;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #666;
    font-size: 12px;
}

.preview-url {
    padding: 10px;
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: monospace;
    word-break: break-all;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 30px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
}

.btn-primary {
    background-color: #667eea;
    color: white;
}

.btn-primary:hover {
    background-color: #5568d3;
}

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

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-light {
    background-color: #e9ecef;
    color: #495057;
    border: 1px solid #dee2e6;
}

.btn-light:hover {
    background-color: #dee2e6;
    border-color: #ced4da;
}

.btn-danger {
    background-color: #dc3545;
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
}

.btn-warning {
    background-color: #ffc107;
    color: #000;
}

.btn-warning:hover {
    background-color: #e0a800;
}

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

.btn-success:hover {
    background-color: #218838;
}

.btn-small {
    padding: 5px 10px;
    font-size: 12px;
}

.btn-qr {
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 4px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-qr:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.btn-qr img {
    display: block;
    width: 76px;
    height: 76px;
    object-fit: contain;
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 4px;
}

/* Search */
.search-section {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.search-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

/* Table */
.redirects-table-container {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow-x: auto;
}

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

.redirects-table th {
    background-color: #f8f9fa;
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: #2c3e50;
    border-bottom: 2px solid #ddd;
}

.redirects-table td {
    padding: 12px;
    border-bottom: 1px solid #eee;
}

.redirects-table tr:hover {
    background-color: #f8f9fa;
}

.redirects-table code {
    background-color: #f1f3f5;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: monospace;
    font-size: 12px;
}

.redirects-table a {
    color: #667eea;
    text-decoration: none;
}

.redirects-table a:hover {
    text-decoration: underline;
}

.text-center {
    text-align: center;
}

.redirect-count {
    margin-top: 20px;
    padding: 10px;
    background: white;
    border-radius: 8px;
    font-weight: 600;
    color: #2c3e50;
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

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

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

/* Messages */
.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 20px;
    border: 1px solid #f5c6cb;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 20px;
    border: 1px solid #c3e6cb;
}

.loading {
    text-align: center;
    padding: 20px;
    color: #666;
}

/* 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: 10% auto;
    padding: 30px;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    position: relative;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 15px;
}

.close:hover {
    color: #000;
}

.qr-url {
    margin: 20px 0;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 4px;
    font-family: monospace;
    word-break: break-all;
    text-align: center;
}

#qrCodeContainer {
    text-align: center;
    margin: 20px 0;
}

#qrCodeContainer img {
    max-width: 100%;
    height: auto;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .redirects-table {
        font-size: 12px;
    }

    .redirects-table th,
    .redirects-table td {
        padding: 8px;
    }

    .search-section {
        flex-direction: column;
    }

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