:root{
  --bg:#f4f5fa;
  --surface:#ffffff;
  --surface-alt:#f7f8fc;
  --border:#e3e5ef;
  --text:#1c1e2b;
  --text-muted:#70738d;
  --primary:#4338ca;
  --primary-hover:#372ea6;
  --primary-soft:#edecfd;
  --danger:#dc2626;
  --danger-soft:#fdecec;
  --success:#15803d;
  --success-soft:#e9f7ee;
  --warning:#b45309;
  --warning-soft:#fdf1e0;
  --sidebar-bg:#171a2e;
  --sidebar-text:#c7c9dd;
  --sidebar-active:#242749;
  --radius:10px;
  --radius-sm:6px;
  --shadow:0 1px 2px rgba(20,22,40,.04), 0 4px 14px rgba(20,22,40,.06);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-size:14px;
  line-height:1.5;
}
.hidden{display:none!important}
h1,h2,h3{margin:0;font-weight:600}
p{margin:0 0 8px}
code{
  background:var(--surface-alt);
  border:1px solid var(--border);
  border-radius:4px;
  padding:1px 5px;
  font-size:.85em;
}
.muted{color:var(--text-muted)}

/* ---------- buttons / inputs ---------- */
.btn{
  appearance:none;
  border:1px solid transparent;
  border-radius:var(--radius-sm);
  padding:9px 16px;
  font-size:13.5px;
  font-weight:600;
  cursor:pointer;
  transition:background .12s ease, border-color .12s ease, transform .05s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover)}
.btn-secondary{background:var(--primary-soft);color:var(--primary)}
.btn-secondary:hover{background:#e1dffb}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{background:var(--surface-alt)}
.btn-danger{background:var(--danger-soft);color:var(--danger)}
.btn-danger:hover{background:#fbdada}
.btn-sm{padding:6px 11px;font-size:12.5px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}

.link-btn{
  background:none;border:none;color:var(--text-muted);
  font-size:12.5px;cursor:pointer;text-decoration:underline;
  padding:4px 0;
}
.link-btn:hover{color:var(--text)}

input[type=text],input[type=email],input[type=password],input[type=number],
select,textarea{
  width:100%;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:9px 11px;
  font-size:13.5px;
  font-family:inherit;
  background:#fff;
  color:var(--text);
}
textarea{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12.5px;
  resize:vertical;
}
input:focus,select:focus,textarea:focus{
  outline:2px solid var(--primary-soft);
  border-color:var(--primary);
}
.field{display:block;margin-bottom:12px;font-size:12.5px;font-weight:600;color:var(--text-muted)}
.field > input,.field > select,.field > textarea{margin-top:5px;font-weight:400;color:var(--text)}
.checkbox-field{display:flex;align-items:center;gap:8px;flex-direction:row-reverse;justify-content:flex-end}
.checkbox-field input{width:auto}
.checkbox-inline{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--text-muted);white-space:nowrap}
.checkbox-inline input{width:auto}

/* ---------- auth screen ---------- */
.auth-screen{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
  background:
    radial-gradient(circle at 15% 20%, #eceafc 0%, transparent 45%),
    radial-gradient(circle at 85% 80%, #e7f3ee 0%, transparent 45%),
    var(--bg);
}
.auth-card{
  width:100%;
  max-width:380px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:var(--shadow);
  padding:32px 28px 24px;
}
.brand{display:flex;align-items:center;gap:10px;margin-bottom:4px}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--primary),#7c6ef0);
  color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-size:16px;flex:none;
}
.brand-name{font-size:18px;font-weight:700;letter-spacing:-.02em}
.auth-subtitle{color:var(--text-muted);font-size:12.5px;margin-bottom:22px}
.auth-tabs{display:flex;background:var(--surface-alt);border-radius:var(--radius-sm);padding:3px;margin-bottom:20px}
.auth-tab{
  flex:1;border:none;background:transparent;padding:8px 0;
  font-size:13px;font-weight:600;color:var(--text-muted);border-radius:5px;cursor:pointer;
}
.auth-tab.active{background:#fff;color:var(--text);box-shadow:0 1px 2px rgba(20,22,40,.08)}
.auth-form label{display:block;margin-bottom:12px;font-size:12.5px;font-weight:600;color:var(--text-muted)}
.auth-form input{margin-top:5px;font-weight:400}
.auth-hint{min-height:18px;font-size:12.5px;color:var(--danger);margin-top:10px}
.settings-toggle{display:block;margin:16px auto 0;text-align:center}

/* ---------- app shell ---------- */
.app-shell{display:flex;min-height:100vh}
.sidebar{
  width:216px;flex:none;
  background:var(--sidebar-bg);color:var(--sidebar-text);
  display:flex;flex-direction:column;
  padding:20px 14px;
  position:sticky;top:0;height:100vh;
}
.sidebar .brand-name{color:#fff}
.sidebar .brand{margin-bottom:26px;padding:0 6px}
.nav{display:flex;flex-direction:column;gap:2px;flex:1}
.nav-item{
  display:flex;align-items:center;gap:10px;
  background:transparent;border:none;color:var(--sidebar-text);
  padding:10px 12px;border-radius:8px;font-size:13.5px;font-weight:500;
  cursor:pointer;text-align:left;
}
.nav-item:hover{background:#1f2240;color:#fff}
.nav-item.active{background:var(--sidebar-active);color:#fff}
.nav-ico{width:18px;display:inline-block;text-align:center;opacity:.85}
.sidebar-settings{color:#8b8ec2;text-align:left;padding-left:6px}

.main-col{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  height:60px;flex:none;display:flex;align-items:center;justify-content:space-between;
  padding:0 28px;border-bottom:1px solid var(--border);background:var(--surface);
  position:sticky;top:0;z-index:5;
}
.topbar h1{font-size:16px}
.topbar-user{display:flex;align-items:center;gap:14px}
.user-email{font-size:12.5px;color:var(--text-muted)}
.content{padding:24px 28px 60px;max-width:1180px;width:100%;margin:0 auto}

.tab-panel{display:none}
.tab-panel.active{display:block}

/* ---------- cards ---------- */
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:20px 22px;
  margin-bottom:20px;
}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.card-head-actions{display:flex;gap:8px;flex-wrap:wrap}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
@media (max-width:880px){.grid-2{grid-template-columns:1fr}}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th{
  text-align:left;color:var(--text-muted);font-weight:600;font-size:11.5px;
  text-transform:uppercase;letter-spacing:.03em;
  padding:8px 10px;border-bottom:1px solid var(--border);white-space:nowrap;
}
.table td{padding:10px;border-bottom:1px solid var(--border);vertical-align:top}
.table tr:last-child td{border-bottom:none}
.table tr:hover td{background:var(--surface-alt)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}
.empty-row td{color:var(--text-muted);text-align:center;padding:22px 10px}

.pagination-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:12px;font-size:12.5px;color:var(--text-muted);
}
.pagination-row .btn{padding:5px 12px}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 9px;border-radius:999px;font-size:11.5px;font-weight:700;
  letter-spacing:.02em;text-transform:uppercase;white-space:nowrap;
}
.badge-allow{background:var(--success-soft);color:var(--success)}
.badge-hold{background:var(--warning-soft);color:var(--warning)}
.badge-escalate{background:var(--danger-soft);color:var(--danger)}
.badge-active{background:var(--success-soft);color:var(--success)}
.badge-deprecated{background:var(--surface-alt);color:var(--text-muted)}
.badge-revoked{background:var(--danger-soft);color:var(--danger)}
.badge-ok{background:var(--success-soft);color:var(--success)}
.badge-error{background:var(--danger-soft);color:var(--danger)}

/* ---------- builder ---------- */
.builder-card{border-color:var(--primary);border-width:1.5px}
.builder-section{margin:20px 0}
.builder-section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.builder-section-head h3{font-size:13.5px}
.hint{font-size:12px;color:var(--text-muted);margin-bottom:10px}

.step-row,.policy-row{
  background:var(--surface-alt);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:14px;margin-bottom:10px;
}
.step-row-head,.policy-row-head{display:flex;justify-content:flex-end;margin-bottom:4px}
.row-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px}
.row-grid.cols-3{grid-template-columns:1fr 1fr 1fr}
@media (max-width:700px){.row-grid,.row-grid.cols-3{grid-template-columns:1fr}}
.row-grid .field{margin-bottom:8px}

.inputs-editor{border:1px dashed var(--border);border-radius:var(--radius-sm);padding:10px;background:#fff}
.input-chip-row{display:grid;grid-template-columns:110px 1fr auto;gap:8px;margin-bottom:6px;align-items:center}
.input-chip-row select,.input-chip-row input{padding:6px 8px;font-size:12.5px}
.icon-btn{
  background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:15px;
  width:26px;height:26px;border-radius:6px;flex:none;
}
.icon-btn:hover{background:var(--danger-soft);color:var(--danger)}
.add-input-btn{margin-top:2px}

.json-preview{
  background:#191b2e;color:#d6d8ea;
  border-radius:var(--radius-sm);
  padding:14px;font-size:12px;line-height:1.55;
  max-height:320px;overflow:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  white-space:pre-wrap;word-break:break-word;
}
.builder-actions{display:flex;align-items:center;justify-content:flex-end;gap:14px;margin-top:16px}

.form-error{color:var(--danger);font-size:12.5px;display:block;margin:6px 0}
.form-error:empty{display:none}

/* ---------- evaluate result ---------- */
.eval-result{font-size:13px}
.result-verdict{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.result-verdict .badge{font-size:13px;padding:5px 14px}
.result-kv{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 12px;font-size:12.5px}
.result-kv dt{color:var(--text-muted)}
.result-kv dd{margin:0;word-break:break-word}
.reason-list{margin:10px 0 0;padding-left:18px}
.reason-list li{margin-bottom:3px}
.result-actions{margin-top:14px;display:flex;gap:8px}

.apikey-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.apikey-row input[type=text]{flex:1;min-width:220px}

.kv-list{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:13px;margin:0 0 18px}
.kv-list dt{color:var(--text-muted);font-weight:600}
.kv-list dd{margin:0}

.decision-result{margin-top:14px}

/* ---------- demo scenarios ---------- */
.demo-scenario{
  background:var(--surface-alt);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:12px 16px;margin-bottom:12px;
}
.demo-scenario:last-child{margin-bottom:0}
.demo-scenario-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.demo-scenario-head strong{font-size:13px}
.demo-scenario .json-preview{max-height:220px;margin-top:8px}
.replay-cards{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:12px}
.replay-cards .mini-card{
  background:var(--surface-alt);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:12px 16px;min-width:150px;
}
.replay-cards .mini-card .label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em;margin-bottom:6px}

/* ---------- modal ---------- */
.modal-backdrop{
  position:fixed;inset:0;background:rgba(15,17,32,.5);
  display:flex;align-items:center;justify-content:center;padding:20px;z-index:50;
}
.modal{
  background:#fff;border-radius:14px;max-width:640px;width:100%;max-height:86vh;
  display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.25);
}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.modal-head h3{font-size:15px}
.modal-close{background:none;border:none;font-size:16px;cursor:pointer;color:var(--text-muted);padding:4px}
.modal-close:hover{color:var(--text)}
.modal-body{padding:20px;overflow:auto}
.modal-body textarea{min-height:220px}
.raw-key-box{
  background:var(--surface-alt);border:1px dashed var(--primary);border-radius:var(--radius-sm);
  padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;
  word-break:break-all;margin:10px 0;
}

/* ---------- toasts ---------- */
.toast-stack{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:8px;z-index:100}
.toast{
  background:#1c1e2b;color:#fff;padding:11px 16px;border-radius:8px;font-size:13px;
  box-shadow:0 8px 24px rgba(0,0,0,.2);max-width:340px;
  animation:toast-in .15s ease-out;
}
.toast.toast-error{background:#7f1d1d}
.toast.toast-success{background:#166534}
@keyframes toast-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}