:root {
    --bg: #0d1117;
    --bg-card: #161b22;
    --bg-hover: #1c2129;
    --border: #30363d;
    --text: #e6edf3;
    --text-muted: #7d8590;
    --accent: #58a6ff;
    --green: #3fb950;
    --yellow: #d29922;
    --red: #f85149;
    --gray: #6e7681;
    --font-mono: "SF Mono", "Cascadia Code", "Fira Code", Consolas, monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    --radius: 6px;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
    gap: 16px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-link {
    padding: 4px 10px;
    border-radius: var(--radius);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.15s, background 0.15s;
}

.nav-link:hover {
    color: var(--text);
    background: var(--bg-hover);
}

.nav-link.active {
    color: var(--accent);
    background: rgba(88,166,255,0.1);
}

.nav-user {
    color: var(--text-muted);
    font-size: 12px;
}

.nav-logout-form {
    display: inline;
}

nav h1 {
    font-size: 18px;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--accent);
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

footer {
    text-align: center;
    padding: 24px;
    color: var(--text-muted);
    font-size: 12px;
    border-top: 1px solid var(--border);
    margin-top: 48px;
}

h2 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text);
}

/* Overview cards */
.overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 32px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.card-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-value {
    font-size: 28px;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text);
}

/* Stats grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-muted);
}

.stat-value {
    font-size: 22px;
    font-weight: 600;
    font-family: var(--font-mono);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

.status-active   { background: rgba(63,185,80,0.15); color: var(--green); }
.status-warming  { background: rgba(210,153,34,0.15); color: var(--yellow); }
.status-paused   { background: rgba(110,118,129,0.15); color: var(--gray); }
.status-retired  { background: rgba(248,81,73,0.15); color: var(--red); }
.status-unknown  { background: rgba(110,118,129,0.15); color: var(--gray); }

.health-healthy  { background: rgba(63,185,80,0.15); color: var(--green); }
.health-degraded { background: rgba(210,153,34,0.15); color: var(--yellow); }
.health-failed   { background: rgba(248,81,73,0.15); color: var(--red); }
.health-unknown  { background: rgba(110,118,129,0.15); color: var(--gray); }

.circuit-closed    { background: rgba(63,185,80,0.15); color: var(--green); }
.circuit-open      { background: rgba(248,81,73,0.15); color: var(--red); }
.circuit-half-open { background: rgba(210,153,34,0.15); color: var(--yellow); }
.circuit-unknown   { background: rgba(110,118,129,0.15); color: var(--gray); }

/* Circuit breaker section */
.circuit-section { margin-bottom: 32px; }

.circuit-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.circuit-reason {
    color: var(--text-muted);
    font-size: 13px;
}

.circuit-opened {
    color: var(--text-muted);
    font-size: 12px;
    font-family: var(--font-mono);
}

/* Buttons */
.btn {
    padding: 6px 14px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    font-size: 13px;
    font-family: var(--font-sans);
    transition: background 0.15s;
}

.btn:hover { background: var(--bg-hover); }

.btn-reset {
    border-color: var(--red);
    color: var(--red);
}

.btn-reset:hover {
    background: rgba(248,81,73,0.1);
}

/* Sections */
.stats-section { margin-bottom: 32px; }
.accounts-section { margin-bottom: 32px; }

.accounts-summary {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 12px;
}

/* Table */
.table-wrap { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

thead th {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

tbody td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

tbody tr:hover { background: var(--bg-hover); }

.mono { font-family: var(--font-mono); }
.muted { color: var(--text-muted); }
.loading { color: var(--text-muted); font-style: italic; }

.spinner {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
    margin-right: 4px;
}

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

.status-provisioning { color: var(--accent); }
.status-deprovisioning { color: var(--yellow); }
.empty { color: var(--text-muted); padding: 24px 0; text-align: center; }

/* Button variants */
.btn-primary {
    background: var(--accent);
    color: var(--bg);
    border-color: var(--accent);
    font-weight: 500;
}

.btn-primary:hover {
    background: #4393e6;
}

.btn-sm {
    padding: 3px 8px;
    font-size: 12px;
}

.btn-danger {
    border-color: var(--red);
    color: var(--red);
}

.btn-danger:hover {
    background: rgba(248,81,73,0.1);
}

.btn-included {
    border-color: var(--green);
    color: var(--green);
}

.btn-included:hover {
    background: rgba(63,185,80,0.1);
}

.btn-excluded {
    border-color: var(--red);
    color: var(--red);
}

.btn-excluded:hover {
    background: rgba(248,81,73,0.1);
}

/* Admin sections */
.admin-section { margin-bottom: 32px; }

.admin-form {
    margin-bottom: 24px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.form-row {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.form-input {
    padding: 6px 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 13px;
    font-family: var(--font-sans);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
}

.form-input-sm { max-width: 80px; }
.form-input-xs { max-width: 50px; }

.admin-edit-form {
    max-width: 500px;
    margin-top: 16px;
}

.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group .form-input {
    width: 100%;
}

.back-link {
    text-decoration: none;
    margin-bottom: 16px;
    display: inline-block;
}

.inline-form {
    display: inline;
}

/* Catalog controls */
.catalog-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--text-muted);
}

/* Login page */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-card {
    text-align: center;
    padding: 48px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.login-title {
    font-size: 28px;
    font-family: var(--font-mono);
    color: var(--accent);
    margin-bottom: 8px;
}

.login-subtitle {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 14px;
}

.login-btn {
    display: inline-block;
    text-decoration: none;
    padding: 10px 24px;
    font-size: 14px;
}

select.form-input {
    appearance: auto;
}

/* Responsive */
@media (max-width: 640px) {
    main { padding: 16px; }
    nav { padding: 12px 16px; flex-wrap: wrap; }
    .nav-links { flex-wrap: wrap; }
    .overview { grid-template-columns: repeat(2, 1fr); }
    .card-value { font-size: 22px; }
    .form-row { flex-direction: column; align-items: stretch; }
    .form-input-sm, .form-input-xs { max-width: none; }
}