/* ── Variables ─────────────────────────────────────────────────── */
:root {
    --bg:       #0f1117;
    --card:     #1a1d27;
    --border:   #2a2d3a;
    --text:     #e2e8f0;
    --muted:    #64748b;
    --accent:   #4f8ef7;
    --success:  #22c55e;
    --warning:  #f59e0b;
    --danger:   #ef4444;
    --purple:   #a78bfa;
    --sidebar-w: 220px;
    --topbar-h:  52px;
}

/* ── Reset ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body { background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont,
    'Segoe UI', Roboto, sans-serif; line-height: 1.5; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Topbar ────────────────────────────────────────────────────── */
.topbar {
    position: fixed; top: 0; left: 0; right: 0; height: var(--topbar-h);
    background: var(--card); border-bottom: 1px solid var(--border);
    display: flex; align-items: center; padding: 0 1rem; gap: 1rem; z-index: 100;
}
.topbar-logo { display: flex; align-items: center; gap: 0.5rem;
    font-weight: 600; font-size: 1rem; flex: 1; }
.topbar-logout { margin-left: auto; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none;
    border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text);
    border-radius: 2px; transition: transform 0.2s; }

/* ── Layout ────────────────────────────────────────────────────── */
.layout { display: flex; padding-top: var(--topbar-h); min-height: 100vh; }

/* ── Sidebar ───────────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-w); min-height: calc(100vh - var(--topbar-h));
    background: var(--card); border-right: 1px solid var(--border);
    padding: 1rem 0; position: fixed; top: var(--topbar-h);
    left: 0; bottom: 0; overflow-y: auto;
    transition: transform 0.25s ease;
}
.sidebar ul { list-style: none; }
.sidebar li a {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.6rem 1.25rem; color: var(--muted); font-size: 0.9rem;
    transition: color 0.15s, background 0.15s; border-radius: 0;
}
.sidebar li a:hover { color: var(--text); background: rgba(255,255,255,0.04);
    text-decoration: none; }
.sidebar li a.active { color: var(--accent); background: rgba(79,142,247,0.08);
    border-right: 2px solid var(--accent); }
.sidebar-sep { height: 1px; background: var(--border); margin: 0.5rem 1rem; }

/* ── Main ──────────────────────────────────────────────────────── */
.main {
    flex: 1; margin-left: var(--sidebar-w);
    padding: 1.5rem; max-width: 100%;
    overflow-x: hidden;
}

/* ── Page Header ───────────────────────────────────────────────── */
.page-header { display: flex; align-items: center; gap: 0.75rem;
    margin-bottom: 1.5rem; }
.page-header h2 { font-size: 1.25rem; font-weight: 600; }

/* ── Cards / Grid ──────────────────────────────────────────────── */
.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card { background: var(--card); border: 1px solid var(--border);
    border-radius: 10px; padding: 1.25rem; }
.card-title { font-size: 0.78rem; color: var(--muted); text-transform: uppercase;
    letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.card-value { font-size: 1.6rem; font-weight: 700; }
.card-sub { font-size: 0.8rem; color: var(--muted); margin-top: 0.25rem; }

/* ── Service Status ────────────────────────────────────────────── */
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem; }
.service-card { background: var(--card); border: 1px solid var(--border);
    border-radius: 10px; padding: 1rem 1.25rem;
    display: flex; align-items: center; gap: 0.875rem; }
.service-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.service-dot.online   { background: var(--success); box-shadow: 0 0 6px var(--success); }
.service-dot.offline  { background: var(--danger); }
.service-dot.degraded { background: var(--warning); }
.service-dot.loading  { background: var(--muted); animation: blink 1s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }
.service-info { flex: 1; min-width: 0; }
.service-name { font-size: 0.88rem; font-weight: 500; white-space: nowrap;
    overflow: hidden; text-overflow: ellipsis; }
.service-meta { font-size: 0.75rem; color: var(--muted); margin-top: 1px; }
.service-restart { background: none; border: none; color: var(--muted); cursor: pointer;
    padding: 4px; border-radius: 4px; transition: color 0.15s; font-size: 0.85rem; }
.service-restart:hover { color: var(--accent); }

/* ── GPU ───────────────────────────────────────────────────────── */
.gpu-card { background: var(--card); border: 1px solid var(--border);
    border-radius: 10px; padding: 1.25rem; }
.gpu-name { font-weight: 600; font-size: 0.95rem; margin-bottom: 0.75rem; }
.gpu-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem;
    margin-bottom: 0.75rem; font-size: 0.8rem; }
.gpu-stat-label { color: var(--muted); margin-bottom: 2px; }
.gpu-stat-value { font-weight: 600; font-size: 1rem; }
.progress { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.progress-bar { height: 100%; border-radius: 3px; transition: width 0.5s ease; }
.progress-bar.green  { background: var(--success); }
.progress-bar.yellow { background: var(--warning); }
.progress-bar.red    { background: var(--danger); }
.progress-label { font-size: 0.75rem; color: var(--muted); margin-top: 4px;
    display: flex; justify-content: space-between; }

/* ── Buttons ───────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.5rem 1rem;
    border-radius: 7px; border: 1px solid var(--border); background: var(--card);
    color: var(--text); cursor: pointer; font-size: 0.875rem; font-weight: 500;
    transition: background 0.15s, border-color 0.15s; }
.btn:hover { background: rgba(255,255,255,0.06); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { opacity: 0.9; }
.btn-danger { background: rgba(239,68,68,0.15); border-color: var(--danger); color: var(--danger); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn[disabled] { opacity: 0.4; cursor: not-allowed; }

/* ── Actions ───────────────────────────────────────────────────── */
.actions-grid { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ── Queue ─────────────────────────────────────────────────────── */
.stat-row { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-item .num { font-size: 1.75rem; font-weight: 700; line-height: 1; }
.stat-item .lbl { font-size: 0.75rem; color: var(--muted); margin-top: 2px; }
.stat-item .num.danger { color: var(--danger); }
.stat-item .num.warn   { color: var(--warning); }

/* ── Table ─────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: 8px; border: 1px solid var(--border); }
.table { width: 100%; border-collapse: collapse; }
.table th { background: rgba(255,255,255,0.03); padding: 0.65rem 1rem;
    text-align: left; font-size: 0.78rem; color: var(--muted);
    text-transform: uppercase; letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border); }
.table td { padding: 0.65rem 1rem; font-size: 0.875rem;
    border-bottom: 1px solid rgba(255,255,255,0.04); }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover td { background: rgba(255,255,255,0.02); }
.transcript-cell { max-width: 300px; }
.transcript-preview { color: var(--muted); font-size: 0.8rem; cursor: help; }
td.empty { text-align: center; color: var(--muted); padding: 2rem; }

/* ── Badges ────────────────────────────────────────────────────── */
.badge { display: inline-flex; align-items: center; padding: 0.2rem 0.6rem;
    border-radius: 999px; font-size: 0.72rem; font-weight: 600; }
.badge-green  { background: rgba(34,197,94,0.15);  color: var(--success); }
.badge-red    { background: rgba(239,68,68,0.15);  color: var(--danger); }
.badge-yellow { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-blue   { background: rgba(79,142,247,0.15); color: var(--accent); }
.badge-purple { background: rgba(167,139,250,0.15);color: var(--purple); }
.badge-gray   { background: rgba(100,116,139,0.15);color: var(--muted); }

/* ── Section ───────────────────────────────────────────────────── */
.section { margin-bottom: 1.75rem; }
.section-title { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em;
    color: var(--muted); margin-bottom: 0.75rem; }

/* ── Alerts ────────────────────────────────────────────────────── */
.alert { padding: 0.75rem 1rem; border-radius: 8px; font-size: 0.875rem;
    margin-bottom: 1rem; }
.alert-danger  { background: rgba(239,68,68,0.12); border: 1px solid var(--danger);
    color: var(--danger); }
.alert-success { background: rgba(34,197,94,0.12); border: 1px solid var(--success);
    color: var(--success); }
.alert-info    { background: rgba(79,142,247,0.12); border: 1px solid var(--accent);
    color: var(--accent); }

/* ── Toast ─────────────────────────────────────────────────────── */
#toast { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 999;
    background: var(--card); border: 1px solid var(--border);
    padding: 0.75rem 1.25rem; border-radius: 8px; font-size: 0.875rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.4);
    transform: translateY(100px); opacity: 0;
    transition: transform 0.3s, opacity 0.3s; }
#toast.show { transform: translateY(0); opacity: 1; }
#toast.ok   { border-color: var(--success); }
#toast.err  { border-color: var(--danger); }

/* ── Misc ──────────────────────────────────────────────────────── */
.mono  { font-family: monospace; }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }
.search-bar { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.search-input { flex: 1; min-width: 220px; padding: 0.5rem 0.875rem;
    background: var(--card); border: 1px solid var(--border); border-radius: 7px;
    color: var(--text); font-size: 0.875rem; }
.search-input:focus { outline: none; border-color: var(--accent); }
.pagination { display: flex; align-items: center; gap: 1rem; margin-top: 1rem;
    justify-content: center; }

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .hamburger { display: flex; }
    .sidebar {
        transform: translateX(-100%);
        z-index: 90;
    }
    .sidebar.open { transform: translateX(0); }
    .main { margin-left: 0; padding: 1rem; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr 1fr; }
    .topbar-logo span { display: none; }
    .gpu-stats { grid-template-columns: repeat(3,1fr); }
}
@media (max-width: 480px) {
    .services-grid { grid-template-columns: 1fr; }
    .stat-row { gap: 1rem; }
    .actions-grid .btn { width: 100%; justify-content: center; }
}