:root {
  --brand-primary: #1a56db;
  --brand-accent: #0e9f6e;
  --bg: #f4f6fb;
  --card: #ffffff;
  --ink: #1b2432;
  --muted: #64748b;
  --line: #e2e8f0;
  --danger: #dc2626;
  --warn: #d97706;
  --ok: #0e9f6e;
  --radius: 12px;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--ink); }
a { color: var(--brand-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; }
.small { font-size: 0.82rem; }
.muted { color: var(--muted); }
.hidden { display: none !important; }

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.7rem 1.2rem; background: #0f1f3d; color: #fff; position: sticky; top: 0; z-index: 10; }
.brand { display: flex; align-items: center; gap: 0.6rem; color: #fff; }
.brand:hover { text-decoration: none; }
.brand-logo { height: 34px; }
.brand-text { font-weight: 700; font-size: 1.05rem; line-height: 1.1; }
.brand-text small { display: block; font-weight: 400; font-size: 0.72rem; color: #b9c6e2; }
.topnav { display: flex; align-items: center; gap: 0.9rem; }
.topnav a { color: #dbe4f5; font-size: 0.92rem; }
.inline { display: inline; margin: 0; }

.container { max-width: 1100px; margin: 0 auto; padding: 1.4rem 1rem 3rem; }
.footer { text-align: center; color: var(--muted); padding: 1.5rem; }

.page-head { margin-bottom: 1.2rem; }
.page-head h1 { margin: 0.2rem 0 0.3rem; font-size: 1.6rem; display: flex; align-items: center; gap: 0.6rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; box-shadow: 0 1px 3px rgba(15,31,61,.06); }
.card-top { display: flex; align-items: center; gap: 0.6rem; }
.card-top h2 { margin: 0; font-size: 1.15rem; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem 1rem; margin: 0.8rem 0; }
.stats div { display: flex; flex-direction: column; }
.stats dt { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stats dd { margin: 0.1rem 0 0; font-weight: 600; overflow-wrap: anywhere; }

.status-dot { width: 12px; height: 12px; border-radius: 50%; background: #94a3b8; flex: none; }
.status-dot.running { background: var(--ok); box-shadow: 0 0 6px var(--ok); }
.status-dot.stopped, .status-dot.terminated { background: #94a3b8; }
.status-dot.crashed, .status-dot.starting { background: var(--warn); }

.btn { display: inline-block; border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 8px; padding: 0.5rem 0.95rem; font-size: 0.92rem; cursor: pointer; }
.btn:hover { background: #f1f5f9; text-decoration: none; }
.btn-primary { background: var(--brand-primary); border-color: var(--brand-primary); color: #fff; }
.btn-primary:hover { background: #1548b8; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-ghost { background: transparent; border-color: transparent; color: #dbe4f5; }
.btn-sm { padding: 0.32rem 0.65rem; font-size: 0.84rem; }
.btn-block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.45rem; align-items: center; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.auth-card { max-width: 400px; margin: 4rem auto; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; }
.alert { border-radius: 8px; padding: 0.6rem 0.8rem; margin-bottom: 0.8rem; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

label { display: block; margin: 0.7rem 0; font-size: 0.9rem; font-weight: 600; }
input, select, textarea { display: block; width: 100%; margin-top: 0.3rem; padding: 0.55rem 0.7rem; border: 1px solid var(--line); border-radius: 8px; font-size: 0.95rem; font-family: inherit; }
textarea { resize: vertical; }
.check { display: flex; align-items: center; gap: 0.5rem; font-weight: 600; }
.check input { width: auto; margin: 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
.form-grid .wide, .form-grid h3, .form-grid p { grid-column: 1 / -1; }

.tabs { display: flex; gap: 0.4rem; margin: 1rem 0; border-bottom: 2px solid var(--line); }
.tab { border: none; background: none; padding: 0.6rem 1rem; font-size: 0.95rem; cursor: pointer; color: var(--muted); border-bottom: 3px solid transparent; margin-bottom: -2px; }
.tab.active { color: var(--brand-primary); border-bottom-color: var(--brand-primary); font-weight: 700; }
.tab-panel { margin-top: 1rem; }

.log-controls { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; margin-bottom: 0.6rem; }
.log-controls select, .log-controls input[type="search"] { width: auto; margin: 0; }
.logview { background: #0b1526; color: #d7e3f4; border-radius: var(--radius); padding: 1rem; max-height: 480px; overflow: auto; font-size: 0.82rem; line-height: 1.5; }
.logview .lv-debug { color: #8b9bb8; }
.logview .lv-info { color: #d7e3f4; }
.logview .lv-warn { color: #fbbf24; }
.logview .lv-error { color: #f87171; }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.table th, .table td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.task-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 0.9rem 1rem; margin-bottom: 0.7rem; }
.task-item .head { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.pill { font-size: 0.75rem; font-weight: 700; padding: 0.15rem 0.55rem; border-radius: 999px; background: #e2e8f0; }
.pill.queued { background: #fef3c7; color: #92400e; }
.pill.processing { background: #dbeafe; color: #1e40af; }
.pill.done { background: #d1fae5; color: #065f46; }
.pill.failed { background: #fee2e2; color: #991b1b; }
.task-item pre { white-space: pre-wrap; background: #f8fafc; border: 1px solid var(--line); border-radius: 8px; padding: 0.6rem; font-size: 0.85rem; }

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .topnav { gap: 0.5rem; font-size: 0.85rem; }
  .brand-text small { display: none; }
}

/* Master-plan additions */
.status-dot.held { background: #f59e0b; box-shadow: 0 0 6px #f59e0b; }
.pill.held { background: #fef3c7; color: #92400e; }
.pill.pending { background: #fef3c7; color: #92400e; }
.pill.approved { background: #d1fae5; color: #065f46; }
.pill.rejected { background: #fee2e2; color: #991b1b; }

/* Hard-locked guardrail badge (2026-09-29, Faiz's rule) */
.badge-locked {
  display: inline-block;
  background: #12351f;
  color: #7ee2a8;
  border: 1px solid #2b7a44;
  border-radius: 999px;
  padding: 6px 14px;
  font-weight: 700;
  font-size: 14px;
}

/* Operation password gate (2026-09-29): warning banner + modal */
.alert-warning {
  background: #fef3c7;
  border: 1px solid #f59e0b;
  color: #92400e;
  border-radius: 10px;
  padding: 0.8rem 1rem;
  margin: 0 0 1rem 0;
  font-size: 0.95rem;
}
.alert-warning a { color: #92400e; font-weight: 700; }
.modal {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(15, 23, 42, 0.55);
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.modal.hidden { display: none; }
.modal-box {
  background: #fff; border-radius: 14px; padding: 1.4rem;
  width: 100%; max-width: 420px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}
.modal-box h3 { margin-top: 0; }
.modal-box label { display: block; margin: 0.7rem 0; font-size: 0.9rem; }
.modal-box input[type="password"], .modal-box input[type="text"] {
  width: 100%; padding: 0.6rem; margin-top: 0.3rem;
  border: 1px solid var(--line); border-radius: 8px; font-size: 1rem;
}
.error-msg { color: #b91c1c; min-height: 1.2em; }