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

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --light: #f8fafc;
    --dark: #1e293b;
    --border: #e2e8f0;
    --text: #334155;
    --text-light: #64748b;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navigation */
.navbar {
    background: white;
    border-bottom: 1px solid var(--border);
    padding: 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--primary);
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.2s;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-menu a:hover {
    color: var(--primary);
}

.nav-menu a.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    flex: 1;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h2 {
    font-size: 2rem;
    color: var(--dark);
}

.header-actions {
    display: flex;
    gap: 1rem;
}

/* Cards */
.card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.card h3 {
    font-size: 1.25rem;
    color: var(--dark);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.info-card {
    background: #eff6ff;
    border-left: 4px solid var(--primary);
}

.info-card h3 {
    color: var(--primary);
}

/* Status and Config Info */
.status-info, .config-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.status-item, .config-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.status-item .label, .config-item .label {
    font-weight: 500;
    color: var(--text-light);
}

.status-item .value, .config-item .value {
    font-weight: 600;
}

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

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

.status-running {
    color: var(--primary);
}

.status-idle {
    color: var(--text-light);
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

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

.table thead {
    background: var(--light);
}

.table th {
    text-align: left;
    padding: 0.75rem;
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.table tbody tr:hover {
    background: var(--light);
}

.table code {
    background: var(--light);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

/* Forms */
.form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--dark);
}

.form-control {
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-help {
    font-size: 0.875rem;
    color: var(--text-light);
}

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

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
}

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

.btn-secondary:hover:not(:disabled) {
    background: #475569;
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--success);
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--danger);
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border-left: 4px solid var(--warning);
}

.alert .close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
}

.alert .close:hover {
    opacity: 1;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-light);
}

.empty-state p {
    margin-bottom: 1rem;
}

/* Logs */
.logs-container {
    max-height: 600px;
    overflow-y: auto;
    background: var(--dark);
    border-radius: 6px;
}

.logs {
    color: #e2e8f0;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.4;
    padding: 1rem;
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Footer */
footer {
    background: white;
    border-top: 1px solid var(--border);
    padding: 1.5rem 0;
    margin-top: auto;
}

footer .container {
    text-align: center;
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .table {
        font-size: 0.875rem;
    }

    .container {
        padding: 1rem;
    }
}