:root {
    --sb-bg: #0d1117;
    --sb-bg-secondary: #161b22;
    --sb-bg-tertiary: #1c2128;
    --sb-border: #30363d;
    --sb-text: #e6edf3;
    --sb-text-muted: #8b949e;
    --sb-accent: #1f6feb;
    --sb-sidebar-width: 220px;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-size: 14px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, monospace;
}

.sb-body {
    background-color: var(--sb-bg);
    color: var(--sb-text);
    min-height: 100vh;
}

.sb-wrapper {
    min-height: 100vh;
}

.sb-sidebar {
    width: var(--sb-sidebar-width);
    min-width: var(--sb-sidebar-width);
    background-color: var(--sb-bg-secondary);
    border-right: 1px solid var(--sb-border);
    min-height: 100vh;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sb-brand {
    color: var(--sb-text);
    font-size: 1.1rem;
    font-weight: 600;
}

.sb-brand:hover { color: var(--sb-text); }

.sb-brand-icon {
    font-size: 1.4rem;
    color: var(--sb-accent);
}

.sb-brand-name { letter-spacing: 0.05em; }

.sb-sidebar .nav-link {
    color: var(--sb-text-muted);
    padding: 0.45rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    transition: background-color 0.15s, color 0.15s;
}

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

.sb-sidebar .nav-link.active {
    color: #fff;
    background-color: var(--sb-accent);
}

.sb-content { background-color: var(--sb-bg); }

.sb-footer {
    font-size: 0.75rem;
    color: var(--sb-text-muted);
}

/* Cards */
.sb-card {
    background-color: var(--sb-bg-secondary);
    border: 1px solid var(--sb-border);
    border-radius: 8px;
    padding: 1.25rem;
}

.sb-stat-card {
    background-color: var(--sb-bg-secondary);
    border: 1px solid var(--sb-border);
    border-radius: 8px;
    padding: 1rem 1.25rem;
}

.sb-stat-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.1;
}

.sb-stat-label {
    font-size: 0.75rem;
    color: var(--sb-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Tables */
.sb-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.sb-table th {
    background-color: var(--sb-bg-tertiary);
    color: var(--sb-text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--sb-border);
    white-space: nowrap;
}

.sb-table td {
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--sb-border);
    vertical-align: middle;
}

.sb-table tr:hover td { background-color: var(--sb-bg-tertiary); }
.sb-table tr:last-child td { border-bottom: none; }

/* Badges */
.sb-badge {
    display: inline-block;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    white-space: nowrap;
}

.sb-badge-running   { background-color: #1a4731; color: #3fb950; }
.sb-badge-active    { background-color: #1a4731; color: #3fb950; }
.sb-badge-failed    { background-color: #4c1a1a; color: #f85149; }
.sb-badge-inactive  { background-color: #2d2d2d; color: #8b949e; }
.sb-badge-unknown   { background-color: #2d2d2d; color: #8b949e; }
.sb-badge-activating{ background-color: #2d2e1a; color: #e3b341; }
.sb-badge-deactivating { background-color: #2d2e1a; color: #e3b341; }

.sb-badge-valid      { background-color: #1a4731; color: #3fb950; }
.sb-badge-expiring   { background-color: #2d2e1a; color: #e3b341; }
.sb-badge-expired    { background-color: #4c1a1a; color: #f85149; }
.sb-badge-notfound   { background-color: #2d2d2d; color: #8b949e; }
.sb-badge-error      { background-color: #4c1a1a; color: #f85149; }

.sb-badge-healthy    { background-color: #1a4731; color: #3fb950; }
.sb-badge-unhealthy  { background-color: #4c1a1a; color: #f85149; }
.sb-badge-unreachable{ background-color: #4c1a1a; color: #f85149; }

.sb-badge-warning   { background-color: #2d2e1a; color: #e3b341; }

/* Forms */
.sb-input {
    background-color: var(--sb-bg-tertiary);
    border: 1px solid var(--sb-border);
    color: var(--sb-text);
    border-radius: 6px;
    padding: 0.35rem 0.75rem;
    font-size: 0.875rem;
}

.sb-input:focus {
    background-color: var(--sb-bg-tertiary);
    border-color: var(--sb-accent);
    color: var(--sb-text);
    outline: none;
    box-shadow: 0 0 0 2px rgba(31,111,235,0.3);
}

.sb-select {
    background-color: var(--sb-bg-tertiary);
    border: 1px solid var(--sb-border);
    color: var(--sb-text);
    border-radius: 6px;
    padding: 0.35rem 0.75rem;
    font-size: 0.875rem;
}

/* Page heading */
.sb-page-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 0;
}

.sb-page-subtitle {
    font-size: 0.8rem;
    color: var(--sb-text-muted);
}

/* Log output */
.sb-log {
    background-color: #010409;
    border: 1px solid var(--sb-border);
    border-radius: 6px;
    padding: 1rem;
    font-family: 'Cascadia Code', 'Fira Code', 'Courier New', monospace;
    font-size: 0.75rem;
    color: #c9d1d9;
    max-height: 400px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.sb-log .log-error   { color: #f85149; }
.sb-log .log-warning { color: #e3b341; }

/* Config block */
.sb-config-block {
    background-color: #010409;
    border: 1px solid var(--sb-border);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    font-family: monospace;
    font-size: 0.78rem;
    color: #c9d1d9;
    white-space: pre-wrap;
}

/* Login page */
.sb-login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--sb-bg);
}

.sb-login-box {
    background-color: var(--sb-bg-secondary);
    border: 1px solid var(--sb-border);
    border-radius: 10px;
    padding: 2rem;
    width: 100%;
    max-width: 380px;
}

/* Warning banner */
.sb-warning {
    background-color: #2d2e1a;
    border: 1px solid #56461c;
    color: #e3b341;
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
}

/* Sort links */
.sb-sort-link {
    color: var(--sb-text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.sb-sort-link:hover { color: var(--sb-text); text-decoration: underline; }

a { color: var(--sb-accent); }
a:hover { color: #58a6ff; }

@media (max-width: 768px) {
    .sb-sidebar { width: 180px; min-width: 180px; }
    .sb-stat-value { font-size: 1.5rem; }
}