/* Reset y variables CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-color: #dee2e6;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --border-radius: 0.375rem;
    --transition: all 0.15s ease-in-out;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--light-color);
    color: var(--dark-color);
    line-height: 1.5;
}

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

/* Header */
header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

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

/* Tabs */
.tabs {
    display: flex;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 20px;
    overflow: hidden;
}

.tab-button {
    flex: 1;
    padding: 15px 20px;
    border: none;
    background: white;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--secondary-color);
    transition: var(--transition);
    border-bottom: 3px solid transparent;
}

.tab-button:hover {
    background-color: var(--light-color);
    color: var(--primary-color);
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background-color: var(--light-color);
}

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.stat-card {
    background: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.stat-card h3 {
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
    text-transform: uppercase;
    font-weight: 600;
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.status-healthy {
    color: var(--success-color);
}

.status-error {
    color: var(--danger-color);
}

/* Section */
.section {
    background: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 20px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.section h2 {
    color: var(--dark-color);
    margin-bottom: 20px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #0056b3;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #545b62;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

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

.btn-small {
    padding: 5px 12px;
    font-size: 0.8rem;
}

/* Forms */
.config-form {
    max-width: 600px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-group textarea {
    height: 100px;
    resize: vertical;
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 8px;
}

/* Queues List */
.queues-list {
    display: grid;
    gap: 15px;
}

.queue-item {
    background: var(--light-color);
    padding: 15px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.queue-key {
    font-weight: bold;
    color: var(--dark-color);
    margin-bottom: 5px;
}

.queue-info {
    font-size: 0.9rem;
    color: var(--secondary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

/* Clients List */
.clients-list {
    display: grid;
    gap: 20px;
}

.client-card {
    background: var(--light-color);
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.client-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.client-title {
    font-weight: bold;
    font-size: 1.1rem;
    color: var(--dark-color);
}

.client-id {
    font-size: 0.8rem;
    color: var(--secondary-color);
    background: white;
    padding: 2px 8px;
    border-radius: 12px;
}

.client-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.client-detail {
    font-size: 0.9rem;
}

.client-detail strong {
    color: var(--dark-color);
}

.client-instances {
    margin-top: 10px;
}

.instance-tag {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    margin: 2px;
}

.client-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

/* 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);
    animation: fadeIn 0.3s ease-in-out;
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideIn 0.3s ease-in-out;
}

@keyframes slideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    color: var(--dark-color);
}

.close {
    color: var(--secondary-color);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    color: var(--dark-color);
}

.modal-form {
    padding: 20px;
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* Logs */
.logs-container {
    max-height: 400px;
    overflow-y: auto;
}

.logs-list {
    background: var(--dark-color);
    color: white;
    padding: 15px;
    border-radius: var(--border-radius);
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    margin-bottom: 15px;
    min-height: 200px;
}

.log-entry {
    margin-bottom: 5px;
    padding: 2px 0;
}

.log-timestamp {
    color: var(--info-color);
}

.log-level-error {
    color: var(--danger-color);
}

.log-level-warn {
    color: var(--warning-color);
}

.log-level-info {
    color: var(--info-color);
}

/* Utility Classes */
.no-data {
    text-align: center;
    color: var(--secondary-color);
    font-style: italic;
    padding: 20px;
}

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

.text-success {
    color: var(--success-color);
}

.text-danger {
    color: var(--danger-color);
}

.text-warning {
    color: var(--warning-color);
}

.text-info {
    color: var(--info-color);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .tabs {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .client-details {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .client-actions,
    .queue-actions,
    .modal-actions {
        flex-direction: column;
    }
}