:root {
    --bg: #0f1117;
    --surface: #1a1d27;
    --surface-hover: #222633;
    --border: #2a2e3d;
    --text: #e1e4ed;
    --text-muted: #8b8fa3;
    --ok: #22c55e;
    --ok-bg: rgba(34, 197, 94, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.1);
    --unknown: #6b7280;
    --unknown-bg: rgba(107, 114, 128, 0.1);
}

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

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

header {
    text-align: center;
    padding: 2rem 1rem 1rem;
}

header h1 {
    font-size: 1.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.header-icon {
    font-size: 2rem;
    color: var(--ok);
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

main {
    flex: 1;
    padding: 1rem;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.loading {
    text-align: center;
    color: var(--text-muted);
    padding: 3rem;
}

.service-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: background 0.2s;
}

.service-card:hover {
    background: var(--surface-hover);
}

.status-indicator {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.status-indicator .material-symbols-outlined {
    font-size: 28px;
}

.status-ok .status-indicator {
    background: var(--ok-bg);
    color: var(--ok);
}

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

.status-error .status-indicator {
    background: var(--error-bg);
    color: var(--error);
}

.status-unknown .status-indicator {
    background: var(--unknown-bg);
    color: var(--unknown);
}

.service-info {
    flex: 1;
    min-width: 0;
}

.service-name {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.service-description {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

.service-message {
    font-size: 0.85rem;
}

.status-ok .service-message { color: var(--ok); }
.status-warning .service-message { color: var(--warning); }
.status-error .service-message { color: var(--error); }
.status-unknown .service-message { color: var(--unknown); }

.service-details {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.detail-badge {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
}

.status-badge {
    flex-shrink: 0;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.3rem 0.75rem;
    border-radius: 6px;
}

.status-ok .status-badge {
    background: var(--ok-bg);
    color: var(--ok);
}

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

.status-error .status-badge {
    background: var(--error-bg);
    color: var(--error);
}

.status-unknown .status-badge {
    background: var(--unknown-bg);
    color: var(--unknown);
}

footer {
    text-align: center;
    padding: 1rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Clickable cards */
.service-card.clickable {
    cursor: pointer;
}

.card-chevron {
    color: var(--text-muted);
    font-size: 24px;
    flex-shrink: 0;
    transition: transform 0.2s;
}

.service-card.clickable:hover .card-chevron {
    transform: translateX(3px);
    color: var(--text);
}

/* Detail page */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--text);
}

.detail-header {
    margin-bottom: 1rem;
}

.detail-header h2 {
    font-size: 1.4rem;
    font-weight: 600;
}

.summary-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

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

.summary-value {
    font-size: 1.6rem;
    font-weight: 700;
}

.summary-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.summary-value.ok { color: var(--ok); }
.summary-value.warning { color: var(--warning); }
.summary-value.error { color: var(--error); }

/* Device table */
.device-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.device-table th,
.device-table td {
    padding: 0.6rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}

.device-table th {
    background: var(--bg);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.device-table tr:last-child td {
    border-bottom: none;
}

.device-table tr:hover td {
    background: var(--surface-hover);
}

.device-table tr.problem td {
    background: rgba(239, 68, 68, 0.06);
}

.device-table tr.problem:hover td {
    background: rgba(239, 68, 68, 0.12);
}

.icon-ok {
    color: var(--ok);
}

.icon-error {
    color: var(--error);
}

.icon-muted {
    color: var(--text-muted);
}

.status-icon {
    font-size: 18px;
    vertical-align: middle;
}

/* Header bar with logout */
.header-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.logout-btn {
    position: absolute;
    right: 0;
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s, border-color 0.2s;
}

.logout-btn:hover {
    color: var(--text);
    border-color: var(--text-muted);
}

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

.login-form {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    width: 100%;
    max-width: 360px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.login-form h2 {
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 0.5rem;
}

.login-form label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.login-form input {
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
}

.login-form input:focus {
    border-color: var(--ok);
}

.login-form button {
    margin-top: 0.5rem;
    padding: 0.65rem;
    border: none;
    border-radius: 8px;
    background: var(--ok);
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.login-form button:hover {
    opacity: 0.9;
}

.login-error {
    display: none;
    text-align: center;
    font-size: 0.85rem;
    color: var(--error);
    background: var(--error-bg);
    padding: 0.5rem;
    border-radius: 8px;
}

.login-error.visible {
    display: block;
}

@media (max-width: 600px) {
    .service-card {
        flex-wrap: wrap;
    }
    .status-badge {
        margin-left: auto;
    }
}