:root {
  /* GMP palette */
  --primary: #1890FF;
  --bg: #F5F7FA;
  --surface: #FFFFFF;
  --border: #d9dde2;
  --text: #1f2933;
  --muted: #5a6573;
  --accent: var(--primary);
  --accent-hover: #0c7cd5;
  --ok: #52C41A;
  --warn: #FAAD14;
  --danger: #F5222D;
  /* legacy aliases kept so existing inline styles keep working */
  --success: var(--ok);
  --pass: var(--ok);
  --fail: var(--danger);
  /* readable dark tints of the status colors for text on light pills */
  --ok-text: #389E0D;
  --warn-text: #AD6800;
  --danger-text: #CF1322;
  --ok-bg: #F6FFED;
  --warn-bg: #FFFBE6;
  --danger-bg: #FFF1F0;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 14px/1.45 -apple-system, "Segoe UI", "Microsoft YaHei", "微软雅黑", Inter, sans-serif;
  color: var(--text);
  background: var(--bg);
}
.hidden { display: none !important; }

/* ---- Login ---- */
#login-screen { display: flex; min-height: 100vh; align-items: center; justify-content: center; }
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 32px 36px;
  width: 320px;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.login-card h1 { margin: 0; font-size: 28px; letter-spacing: -0.02em; }
.subtitle { color: var(--muted); margin: 4px 0 24px; font-size: 13px; }
.login-card label { display: block; margin-bottom: 12px; font-size: 12px; color: var(--muted); }
.login-card input { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 4px; font: inherit; margin-top: 4px; }
.login-card button { width: 100%; padding: 9px; background: var(--accent); color: white; border: 0; border-radius: 4px; font: inherit; font-weight: 600; cursor: pointer; }
.login-card button:hover { background: var(--accent-hover); }
.login-card .error { color: var(--danger); font-size: 12px; margin: 8px 0 0; min-height: 14px; }

/* ---- Topbar + Layout ---- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  height: 48px; padding: 0 20px;
  background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 16px; }
.brand .tag { font-weight: 400; color: var(--muted); font-size: 12px; margin-left: 8px; }
.user { font-size: 13px; color: var(--muted); }
.user #user-name { margin-right: 12px; }
.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0; }
.link:hover { text-decoration: underline; }

.layout { display: grid; grid-template-columns: 200px 1fr; min-height: calc(100vh - 48px); }
.sidebar { background: var(--surface); border-right: 1px solid var(--border); padding: 16px 0; }
.sidebar a {
  display: flex; align-items: center; gap: 9px; padding: 8px 20px; color: var(--text); text-decoration: none; font-size: 13px;
  border-left: 3px solid transparent;
}
.sidebar a svg {
  width: 15px; height: 15px; flex: none; opacity: .7;
  fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.sidebar a.active svg { opacity: 1; }
.sidebar a.active { border-left-color: var(--accent); background: #eef4f9; color: var(--accent); font-weight: 600; }
.sidebar a:hover { background: #eef4f9; }

main { padding: 24px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 6px; margin-bottom: 20px; }
.panel h2 { margin: 0; padding: 12px 16px; font-size: 14px; font-weight: 600; border-bottom: 1px solid var(--border); }
.panel-body { padding: 14px 16px; }
.row { display: flex; gap: 12px; align-items: center; }
.row > * { flex-shrink: 0; }
.row label { font-size: 12px; color: var(--muted); display: flex; flex-direction: column; }
.row input, .row select { padding: 6px 8px; border: 1px solid var(--border); border-radius: 4px; font: inherit; }
.row button {
  padding: 8px 16px; background: var(--accent); color: white; border: 0; border-radius: 4px;
  cursor: pointer; font: inherit; font-weight: 500;
}
.row button:hover { background: var(--accent-hover); }
.row button.ghost { background: transparent; color: var(--accent); border: 1px solid var(--border); }
.row button.ghost:hover { background: #eef4f9; }
.row button.danger { background: var(--danger); }
.row button.danger:hover { background: #8e1e18; }

/* ---- Tables ---- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); }
th { background: #fafbfc; font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
tr:last-child td { border-bottom: 0; }
td.mono, .mono { font-family: var(--mono); font-size: 12px; }
td .pill, .pill { display: inline-block; padding: 2px 10px; border-radius: 10px; font-size: 12px; font-weight: 600; }
/* status word → color alignment (GMP):
   ok green = succeeded/passed/active/healthy · warn = pending/running/awaiting_approval
   danger   = failed/error/degraded/unhealthy */
.pill.pending, .pill.running, .pill.claimed, .pill.awaiting_approval
                { background: var(--warn-bg); color: var(--warn-text); }
.pill.succeeded, .pill.passed, .pill.active, .pill.healthy, .pill.success, .pill.approved
                { background: var(--ok-bg); color: var(--ok-text); }
.pill.failed, .pill.error, .pill.degraded, .pill.unhealthy, .pill.rejected
                { background: var(--danger-bg); color: var(--danger-text); }
.pill.gxp       { background: #f5e6d6; color: #885200; }

/* Alert badges */
.badge { display: inline-block; padding: 2px 10px; border-radius: 10px; font-size: 12px; font-weight: 600; }
.badge-critical { background: var(--danger-bg); color: var(--danger-text); }
.badge-warning  { background: var(--warn-bg); color: var(--warn-text); }
.badge-active   { background: var(--danger-bg); color: var(--danger-text); }
.badge-info     { background: #E6F4FF; color: #0958D9; }
.badge-success  { background: var(--ok-bg); color: var(--ok-text); }

.empty { padding: 24px; text-align: center; color: var(--muted); font-style: italic; }

/* Inline forms inside expandable rows */
.expand { background: #fafbfc; padding: 14px 16px; border-top: 1px solid var(--border); display: none; }
.expand.open { display: block; }
.expand h3 { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; color: var(--muted); letter-spacing: 0.04em; }
.expand .row { margin-bottom: 8px; }

/* ---- Toast ---- */
.toast {
  position: fixed; bottom: 20px; right: 20px;
  background: var(--text); color: white; padding: 10px 14px; border-radius: 4px;
  font-size: 13px; box-shadow: 0 4px 12px rgba(0,0,0,.15);
  transition: opacity .2s;
}
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }

/* ---- Stat cards (SLA Dashboard) ---- */
.stat-card {
  background: #fafbfc;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
  text-align: center;
}
.stat-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

.license-banner {
  padding: 8px 16px;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
}
.license-banner.info { background: #e3f2fd; color: #1565c0; }
.license-banner.warning { background: var(--warn-bg); color: var(--warn-text); }
.license-banner.error { background: var(--danger-bg); color: var(--danger-text); }

/* ---- Buttons (larger hit area, ≥12px gap between neighbours) ---- */
.btn, .btn-sm {
  padding: 8px 16px; background: var(--primary); color: #fff;
  border: 0; border-radius: 4px; cursor: pointer; font: inherit; font-weight: 500;
}
.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn:hover, .btn-sm:hover { background: var(--accent-hover); }
.btn.danger, .btn-danger, .btn-sm.btn-danger { background: var(--danger); }
.btn.danger:hover, .btn-danger:hover { background: #cf1322; }
.btn.primary { background: var(--primary); }
button.ghost { background: transparent; color: var(--accent); border: 1px solid var(--border); }
td button + button, td .link + .link { margin-left: 12px; }

/* ---- Topbar role + tamper-evident clock ---- */
.user { display: flex; align-items: center; gap: 12px; }
.user #user-name { margin-right: 0; }
#topbar-clock { font-family: var(--mono); font-size: 12px; color: var(--muted); }
#user-role {
  font-size: 12px; font-weight: 600; color: var(--primary);
  background: #E6F4FF; border-radius: 10px; padding: 2px 10px;
}

/* ---- High-risk double-signature modal ---- */
.hr-modal-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.6); z-index: 2000;
  display: flex; align-items: center; justify-content: center;
}
.hr-modal {
  background: var(--surface); border-radius: 8px; width: 460px; max-width: 92vw;
  max-height: 90vh; overflow: auto; box-shadow: 0 8px 30px rgba(0,0,0,.3);
}
.hr-modal-warning {
  background: var(--warn-bg); color: var(--warn-text);
  border-bottom: 2px solid var(--warn);
  padding: 12px 20px; font-weight: 600; font-size: 13px;
}
.hr-modal-body { padding: 20px; }
.hr-modal fieldset { border: 1px solid var(--border); border-radius: 6px; margin: 0 0 16px; padding: 12px 14px; }
.hr-modal legend { font-size: 12px; color: var(--muted); padding: 0 6px; font-weight: 600; }
.hr-modal label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 10px; }
.hr-modal input, .hr-modal select {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 4px; font: inherit; margin-top: 4px;
}
.hr-modal input[readonly] { background: var(--bg); color: var(--text); }
.hr-modal-error { color: var(--danger); font-size: 12px; min-height: 16px; margin: 4px 0 8px; }
.hr-modal-actions { display: flex; justify-content: flex-end; gap: 16px; }
.hr-modal-actions .confirm { background: var(--danger); }
.hr-modal-actions .confirm:hover { background: #cf1322; }
.hr-modal-actions .confirm:disabled { opacity: .6; cursor: not-allowed; }

/* ---- Audit before/after diff ---- */
pre.diff {
  margin: 0; padding: 4px 8px; border-radius: 4px; font-family: var(--mono);
  font-size: 12px; max-width: 260px; white-space: pre-wrap; word-break: break-all;
}
pre.diff.diff-before { background: var(--danger-bg); color: var(--danger-text); }
pre.diff.diff-after  { background: var(--ok-bg); color: var(--ok-text); }

/* ---- Print (audit "Export PDF" / "Print" render the table only) ---- */
@media print {
  .topbar, .sidebar, #license-banner, .toast, .no-print, .panel-body form { display: none !important; }
  .layout { display: block; }
  main { padding: 0; }
  .panel { border: 0; }
}