:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --sidebar: #0b1220;
  --sidebar-2: #101a2e;
  --sidebar-text: #dbe4f5;
  --sidebar-muted: #8291ad;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --accent: #4f46e5;
  --accent-2: #0ea5e9;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --shadow: 0 12px 32px rgba(15, 23, 42, .07);
  --radius: 16px;
}
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #080d18;
  --surface: #0f172a;
  --surface-2: #111c33;
  --sidebar: #060a13;
  --sidebar-2: #0b1324;
  --sidebar-text: #e5edf9;
  --sidebar-muted: #8b9ab5;
  --text: #e5edf9;
  --muted: #94a3b8;
  --line: #1e2a44;
  --accent: #818cf8;
  --accent-2: #38bdf8;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --shadow: 0 18px 45px rgba(0, 0, 0, .28);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Segoe UI", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.strong { font-weight: 700; }
.app-body { min-height: 100vh; }
.app-shell { min-height: 100vh; }
.sidebar {
  position: fixed; inset: 0 auto 0 0; width: 252px; z-index: 40;
  display: flex; flex-direction: column; gap: 28px;
  padding: 24px 18px; color: var(--sidebar-text);
  background: radial-gradient(circle at 10% 0%, #1c2c4d 0, var(--sidebar) 42%);
  border-right: 1px solid rgba(255,255,255,.06);
}
.brand { display: flex; align-items: center; gap: 12px; padding: 0 8px; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center;
  font-weight: 800; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 20px rgba(79,70,229,.35);
}
.brand strong { display: block; letter-spacing: .6px; font-size: 17px; }
.brand small { display: block; color: var(--sidebar-muted); font-size: 11px; letter-spacing: .8px; text-transform: uppercase; }
.side-nav { display: grid; gap: 6px; }
.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px;
  color: var(--sidebar-muted); font-weight: 500;
}
.nav-item svg { width: 18px; height: 18px; fill: currentColor; opacity: .85; }
.nav-item:hover { color: var(--sidebar-text); background: rgba(255,255,255,.06); text-decoration: none; }
.nav-item.active { color: #fff; background: linear-gradient(90deg, rgba(94,161,255,.22), rgba(139,124,255,.12)); box-shadow: inset 0 0 0 1px rgba(129,140,248,.22); }
.sidebar-bottom { margin-top: auto; display: grid; gap: 12px; }
.user-card { display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: 12px; background: rgba(255,255,255,.05); }
.avatar { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; font-weight: 800; color: #fff; background: linear-gradient(135deg, #6366f1, #06b6d4); }
.user-meta strong { display: block; font-size: 13px; }
.user-meta small { display: block; color: var(--sidebar-muted); font-size: 11px; }
.main { margin-left: 252px; min-height: 100vh; }
.topbar {
  height: 68px; display: flex; align-items: center; gap: 14px; padding: 0 28px;
  position: sticky; top: 0; z-index: 30;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px); border-bottom: 1px solid var(--line);
}
.topbar-title { font-weight: 700; font-size: 15px; }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.connection-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 4px color-mix(in srgb, var(--success) 18%, transparent); }
.icon-btn { width: 36px; height: 36px; padding: 0; display: grid; place-items: center; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--muted); }
.icon-btn svg { width: 18px; height: 18px; fill: currentColor; }
.icon-btn:hover { color: var(--text); border-color: var(--accent); text-decoration: none; }
.menu-btn { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: none; }
.content { max-width: 1440px; margin: 0 auto; padding: 28px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 22px; flex-wrap: wrap; }
.eyebrow { display: inline-block; margin-bottom: 8px; color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: 1.4px; }
h1, h2, h3 { margin: 0; line-height: 1.25; }
h1 { font-size: 28px; letter-spacing: -.5px; }
h2 { font-size: 17px; }
h3 { font-size: 14px; }
.page-head p { margin: 7px 0 0; color: var(--muted); }
.page-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.meta { color: var(--muted); font-size: 12px; }
.meta b { color: var(--text); font-family: ui-monospace, Consolas, monospace; }
.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 20px; }
.stat-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 17px 18px; box-shadow: var(--shadow); }
.stat-label { display: block; color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.stat-card strong { display: block; font-size: 25px; letter-spacing: -.5px; }
.stat-card small { display: block; color: var(--muted); margin-top: 5px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; box-shadow: var(--shadow); }
.panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.panel-head p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.control-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.inline { display: inline-flex; align-items: center; gap: 8px; margin: 0; }
.exit-form input { width: 90px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  border: 1px solid var(--line); border-radius: 10px; padding: 9px 13px;
  background: var(--surface-2); color: var(--text); font: inherit; font-weight: 600;
  cursor: pointer; transition: .18s ease;
}
.btn svg { width: 16px; height: 16px; fill: currentColor; }
.btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.btn-primary { color: #fff; border-color: transparent; background: linear-gradient(135deg, #4f46e5, #0ea5e9); box-shadow: 0 8px 20px rgba(79,70,229,.22); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-secondary { color: #fff; border-color: transparent; background: linear-gradient(135deg, #0f766e, #0891b2); }
.btn-danger { color: #fff; border-color: transparent; background: linear-gradient(135deg, #dc2626, #f43f5e); }
.btn-ghost { background: transparent; }
.btn-danger-ghost { color: var(--danger); background: transparent; border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); }
.btn-sm { padding: 6px 9px; font-size: 12px; border-radius: 8px; }
.btn-block { width: 100%; }
.status-pill {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface-2); color: var(--muted);
  font-size: 12px; font-weight: 700; text-transform: lowercase;
}
.status-pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.status-pill.ready, .status-pill.running { color: var(--success); border-color: color-mix(in srgb, var(--success) 35%, var(--line)); background: color-mix(in srgb, var(--success) 8%, var(--surface)); }
.status-pill.error, .status-pill.failed { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); background: color-mix(in srgb, var(--danger) 8%, var(--surface)); }
.status-pill.creating, .status-pill.starting, .status-pill.recovering { color: var(--warning); border-color: color-mix(in srgb, var(--warning) 35%, var(--line)); background: color-mix(in srgb, var(--warning) 8%, var(--surface)); }
.badge { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface-2); color: var(--muted); font-size: 11px; font-weight: 700; white-space: nowrap; }
.badge-success { color: var(--success); border-color: color-mix(in srgb, var(--success) 35%, var(--line)); background: color-mix(in srgb, var(--success) 8%, var(--surface)); }
.badge-warning { color: var(--warning); border-color: color-mix(in srgb, var(--warning) 35%, var(--line)); background: color-mix(in srgb, var(--warning) 8%, var(--surface)); }
.badge-danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); background: color-mix(in srgb, var(--danger) 8%, var(--surface)); }
.badge-muted { color: var(--muted); }
.badge-accent { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); background: color-mix(in srgb, var(--accent) 8%, var(--surface)); }
.live-dot { color: var(--success); font-size: 10px; font-weight: 800; letter-spacing: 1px; }
.grid-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.grid-two .panel { margin-bottom: 0; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .3px; white-space: nowrap; }
tbody tr:hover { background: color-mix(in srgb, var(--accent) 4%, transparent); }
tbody tr:last-child td { border-bottom: 0; }
.empty { padding: 24px; text-align: center; color: var(--muted); }
.row-actions { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.inline-details summary { color: var(--accent); cursor: pointer; font-size: 12px; font-weight: 600; }
.inline-details form { display: inline-flex; gap: 6px; margin-top: 6px; }
.inline-details input { width: 150px; }
.log-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.log-pane { min-width: 0; }
.log-title { color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .8px; text-transform: uppercase; margin-bottom: 7px; }
.log {
  margin: 0; padding: 13px; min-height: 220px; max-height: 380px; overflow: auto;
  background: #070b14; color: #b9c9e6; border: 1px solid #1d2b47; border-radius: 12px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px;
  white-space: pre-wrap; word-break: break-word;
}
.alert { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); margin-top: 12px; }
.alert-error { color: var(--danger); background: color-mix(in srgb, var(--danger) 8%, var(--surface)); border-color: color-mix(in srgb, var(--danger) 30%, var(--line)); }
.alert-warning { color: var(--warning); background: color-mix(in srgb, var(--warning) 8%, var(--surface)); border-color: color-mix(in srgb, var(--warning) 30%, var(--line)); }
.hint { margin: 12px 0 0; color: var(--muted); font-size: 12px; }
.subhead { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 22px 0 12px; padding-top: 18px; border-top: 1px solid var(--line); }
.form-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; align-items: end; }
.form-grid label, .field { display: flex; flex-direction: column; gap: 6px; color: var(--muted); font-size: 12px; font-weight: 600; }
.field input, .field select, input, select {
  width: 100%; background: var(--surface-2); color: var(--text); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 11px; font: inherit; min-width: 0;
}
input:focus, select:focus { outline: 2px solid color-mix(in srgb, var(--accent) 30%, transparent); border-color: var(--accent); }
.form-actions { display: flex; align-items: center; padding-top: 2px; }
.form-span { grid-column: 1 / -1; }
.advanced { border-top: 1px dashed var(--line); padding-top: 12px; }
.advanced summary { color: var(--accent); cursor: pointer; font-weight: 700; font-size: 12px; margin-bottom: 12px; }
.settings-grid { align-items: start; }
.flash-stack { display: grid; gap: 8px; margin-bottom: 16px; }
.flash { padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); }
.flash.success { color: var(--success); border-color: color-mix(in srgb, var(--success) 30%, var(--line)); }
.flash.error { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 30%, var(--line)); }
.toast { position: fixed; right: 24px; bottom: 24px; z-index: 80; max-width: min(420px, calc(100vw - 48px)); padding: 12px 14px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.toast.ok { color: var(--success); border-color: color-mix(in srgb, var(--success) 35%, var(--line)); }
.toast.err { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); }
.sidebar-overlay { display: none; }
.auth-body { min-height: 100vh; background: #0a1020; }
.auth-shell { min-height: 100vh; display: grid; grid-template-columns: 1.08fr .92fr; }
.auth-hero { position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 42px; padding: 42px 56px; color: #e5edf9; background: radial-gradient(circle at 15% 10%, #1d2d52 0, #0a1020 55%); }
.auth-copy { margin-top: auto; max-width: 540px; position: relative; z-index: 1; }
.auth-copy .eyebrow { color: #8fb8ff; }
.auth-copy h1 { font-size: clamp(38px, 5vw, 64px); line-height: 1.02; letter-spacing: -2px; }
.auth-copy p { color: #a9b8d4; font-size: 16px; line-height: 1.7; margin-top: 18px; }
.auth-points { display: grid; gap: 12px; color: #c4d2e9; font-size: 13px; position: relative; z-index: 1; }
.auth-points div { display: flex; align-items: center; gap: 10px; }
.point-dot { width: 7px; height: 7px; border-radius: 50%; background: #5eead4; box-shadow: 0 0 0 4px rgba(94,234,212,.12); }
.auth-glow { position: absolute; width: 420px; height: 420px; border-radius: 50%; right: -160px; bottom: -160px; background: radial-gradient(circle, rgba(79,70,229,.45), transparent 65%); filter: blur(10px); }
.auth-panel { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 42px; background: var(--bg); }
.auth-panel-inner { width: min(420px, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 28px; box-shadow: var(--shadow); }
.auth-title { margin-bottom: 20px; }
.auth-title h2 { font-size: 26px; letter-spacing: -.5px; }
.auth-title p { color: var(--muted); margin: 7px 0 0; }
.auth-form { display: grid; gap: 14px; }
.auth-form .btn { margin-top: 4px; padding: 11px; }
.auth-switch { color: var(--muted); font-size: 13px; text-align: center; margin: 18px 0 0; }
.auth-footnote { color: #7d8aa5; font-size: 11px; margin-top: 18px; }
.brand-light strong, .brand-light small { color: #e5edf9; }
.brand-light small { color: #8fa0bf; }
@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .auth-hero { padding: 36px; }
}
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); transition: transform .22s ease; box-shadow: 20px 0 60px rgba(0,0,0,.3); }
  .main { margin-left: 0; }
  .menu-btn { display: grid; }
  .sidebar-open .sidebar { transform: translateX(0); }
  .sidebar-open .sidebar-overlay { display: block; position: fixed; inset: 0; z-index: 35; background: rgba(2,6,23,.55); }
  .content { padding: 20px; }
  .topbar { padding: 0 18px; }
  .grid-two, .log-grid { grid-template-columns: 1fr; }
  .auth-shell { grid-template-columns: 1fr; }
  .auth-hero { display: none; }
  .auth-panel { min-height: 100vh; padding: 24px; }
}
@media (max-width: 620px) {
  .stats-grid, .form-grid { grid-template-columns: 1fr; }
  .page-head { display: block; }
  .page-actions { margin-top: 12px; }
  .control-row .inline, .control-row .btn { width: 100%; }
  .control-row .btn { justify-content: center; }
  .exit-form input { flex: 1; }
  h1 { font-size: 24px; }
  .panel { padding: 16px; }
}
/* Sidebar buttons need light text on the dark navigation surface. */
.sidebar .btn {
  color: var(--sidebar-text);
  border-color: rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
}
.sidebar .btn:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.32);
}