@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --bg:          #f0f2f8;
  --bg-card:     #ffffff;
  --bg-dark:     #0d1117;
  --sb-bg:       #0d1117;
  --sb-border:   rgba(255,255,255,0.05);
  --sb-text:     #e2e8f0;
  --sb-muted:    #4a5568;
  --sb-active:   rgba(56,189,248,0.12);
  --sb-active-c: #38bdf8;
  --cyan:        #06b6d4;
  --cyan-glow:   rgba(6,182,212,0.3);
  --cyan-bg:     rgba(6,182,212,0.08);
  --blue:        #3b82f6;
  --blue-glow:   rgba(59,130,246,0.3);
  --purple:      #8b5cf6;
  --purple-glow: rgba(139,92,246,0.3);
  --green:       #10b981;
  --green-glow:  rgba(16,185,129,0.25);
  --green-bg:    rgba(16,185,129,0.08);
  --yellow:      #f59e0b;
  --yellow-bg:   rgba(245,158,11,0.08);
  --red:         #ef4444;
  --red-glow:    rgba(239,68,68,0.3);
  --red-bg:      rgba(239,68,68,0.08);
  --orange:      #f97316;
  --text:        #0f172a;
  --text-2:      #334155;
  --text-3:      #64748b;
  --text-inv:    #f1f5f9;
  --border:      #e2e8f0;
  --border-2:    #cbd5e1;
  --sh-sm:  0 1px 3px rgba(0,0,0,0.08);
  --sh:     0 4px 20px rgba(0,0,0,0.08);
  --sh-lg:  0 12px 40px rgba(0,0,0,0.12);
  --r:    14px;
  --r-sm: 8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; }

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
}

/* ── SIDEBAR ─────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 220px;
  background: var(--sb-bg);
  border-right: 1px solid var(--sb-border);
  display: flex;
  flex-direction: column;
  z-index: 50;
  overflow: hidden;
}

.sidebar::before {
  content: '';
  position: absolute;
  top: -100px; left: -50px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(6,182,212,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px 18px;
  border-bottom: 1px solid var(--sb-border);
}

.brand-mark {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  display: grid; place-items: center;
  font-weight: 800; font-size: .78rem;
  color: #fff; flex-shrink: 0;
  box-shadow: 0 0 16px rgba(6,182,212,0.4);
  font-family: 'JetBrains Mono', monospace;
}

.brand h1 { font-size: .9rem; font-weight: 700; color: var(--sb-text); letter-spacing: .02em; }
.brand p  { font-size: .62rem; color: var(--sb-muted); margin-top: 1px; letter-spacing: .04em; text-transform: uppercase; }

.nav { display: flex; flex-direction: column; gap: 2px; padding: 14px 10px; flex: 1; }

.nav-label {
  font-size: .58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--sb-muted);
  padding: 10px 8px 4px;
}

.nav-item {
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  color: var(--sb-muted);
  padding: 8px 10px;
  border-radius: var(--r-sm);
  text-align: left;
  font-family: inherit;
  font-size: .8rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 130ms ease;
}
.nav-item:hover { color: var(--sb-text); background: rgba(255,255,255,0.04); }
.nav-item.active {
  color: var(--sb-active-c);
  background: var(--sb-active);
  border-color: rgba(56,189,248,0.2);
  font-weight: 600;
}
.nav-icon { width: 16px; text-align: center; flex-shrink: 0; font-size: .85rem; }

.sidebar-footer {
  padding: 14px 12px;
  border-top: 1px solid var(--sb-border);
}

.status-pill {
  display: flex; align-items: center; gap: 8px;
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: var(--r-sm);
  padding: 10px 12px;
}
.status-pill strong { display: block; font-size: .78rem; color: var(--sb-text); }
.status-pill small  { display: block; font-size: .64rem; color: var(--sb-muted); margin-top: 1px; font-family: 'JetBrains Mono', monospace; }

.pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); flex-shrink: 0;
  box-shadow: 0 0 0 0 rgba(16,185,129,0.4);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(16,185,129,0.5); }
  70%  { box-shadow: 0 0 0 6px rgba(16,185,129,0); }
  100% { box-shadow: 0 0 0 0 rgba(16,185,129,0); }
}

/* ── MAIN ────────────────────────────────────────── */
.main {
  margin-left: 220px;
  flex: 1;
  padding: 20px 24px 48px;
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}
.topbar-left { display: flex; flex-direction: column; gap: 2px; }
.eyebrow {
  font-size: .62rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .14em;
  color: var(--cyan);
}
.topbar h2 { font-size: 1.45rem; font-weight: 700; color: var(--text); letter-spacing: -.03em; }
.top-right { display: flex; align-items: center; gap: 10px; }

.session-chip {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: .68rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-3); font-weight: 600;
}
.chip-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); }

.tab-panel { display: none; animation: fadeUp 180ms ease both; }
.tab-panel.active { display: block; }
@keyframes fadeUp {
  from { opacity:0; transform:translateY(8px); }
  to   { opacity:1; transform:translateY(0); }
}

/* ── BUTTONS ─────────────────────────────────────── */
button { font: inherit; cursor: pointer; }

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #fff; border: none;
  padding: 9px 18px; border-radius: var(--r-sm);
  font-weight: 600; font-size: .82rem;
  box-shadow: 0 2px 12px var(--cyan-glow);
  transition: all 150ms ease;
}
.btn-primary:hover { opacity:.9; transform:translateY(-1px); box-shadow:0 4px 18px var(--cyan-glow); }
.btn-primary:disabled { opacity:.4; cursor:not-allowed; transform:none; }

.btn-secondary {
  background: var(--bg-card); color: var(--text-2);
  border: 1px solid var(--border-2);
  padding: 9px 16px; border-radius: var(--r-sm);
  font-weight: 600; font-size: .82rem;
  box-shadow: var(--sh-sm); transition: all 140ms ease;
}
.btn-secondary:hover { border-color: var(--cyan); color: var(--cyan); }

.btn-ghost {
  background: transparent; color: var(--text-3);
  border: 1px solid var(--border);
  padding: 8px 14px; border-radius: var(--r-sm);
  font-weight: 500; font-size: .82rem;
  transition: all 130ms ease;
}
.btn-ghost:hover { background: var(--bg-card); color: var(--text); }

.btn-danger {
  background: var(--red-bg); color: var(--red);
  border: 1px solid rgba(239,68,68,0.3);
  padding: 8px 14px; border-radius: var(--r-sm);
  font-weight: 600; font-size: .82rem;
  transition: all 140ms ease;
}
.btn-danger:hover { background: var(--red); color:#fff; }

.btn-accent {
  background: linear-gradient(135deg, var(--purple), var(--blue));
  color: #fff; border: none;
  padding: 9px 18px; border-radius: var(--r-sm);
  font-weight: 600; font-size: .82rem;
  box-shadow: 0 2px 12px var(--purple-glow);
  transition: all 150ms ease;
}
.btn-accent:hover { opacity:.9; transform:translateY(-1px); }
.btn-accent:disabled { opacity:.4; cursor:not-allowed; transform:none; }

.wide { width: 100%; }

/* ── CARDS ───────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: var(--sh-sm);
}

.card-head {
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 12px;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border);
}
.card-head h3 { font-size: .9rem; font-weight: 700; color: var(--text); letter-spacing: -.01em; }
.card-head p  { font-size: .76rem; color: var(--text-3); margin-top: 2px; }
.card-body { padding: 18px 20px; }

/* ── METRIC CARDS ────────────────────────────────── */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(5,1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 16px 18px;
  box-shadow: var(--sh-sm);
  position: relative; overflow: hidden;
  transition: all 160ms ease;
}
.metric-card:hover { transform:translateY(-2px); box-shadow:var(--sh); }
.metric-card::after {
  content:''; position:absolute;
  bottom:-24px; right:-24px;
  width:80px; height:80px; border-radius:50%; opacity:.06;
}
.metric-card.c-cyan::after   { background:var(--cyan); }
.metric-card.c-green::after  { background:var(--green); }
.metric-card.c-yellow::after { background:var(--yellow); }
.metric-card.c-red::after    { background:var(--red); }
.metric-card.c-purple::after { background:var(--purple); }

.metric-top { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:12px; }

.metric-icon { width:36px; height:36px; border-radius:8px; display:grid; place-items:center; font-size:1rem; }
.metric-icon.c-cyan   { background:var(--cyan-bg); color:var(--cyan); }
.metric-icon.c-green  { background:var(--green-bg); color:var(--green); }
.metric-icon.c-yellow { background:var(--yellow-bg); color:var(--yellow); }
.metric-icon.c-red    { background:var(--red-bg); color:var(--red); }
.metric-icon.c-purple { background:rgba(139,92,246,.08); color:var(--purple); }

.metric-trend {
  font-size:.68rem; font-weight:700;
  padding:2px 7px; border-radius:999px;
  font-family:'JetBrains Mono',monospace;
}
.metric-trend.up  { background:var(--green-bg); color:var(--green); }
.metric-trend.down{ background:var(--red-bg); color:var(--red); }
.metric-trend.neu { background:rgba(100,116,139,.08); color:var(--text-3); }

.metric-val {
  font-size:1.9rem; font-weight:700;
  letter-spacing:-.06em; color:var(--text);
  font-family:'JetBrains Mono',monospace;
  line-height:1; margin-bottom:4px;
}
.metric-val.c-green  { color:var(--green); }
.metric-val.c-yellow { color:var(--yellow); }
.metric-val.c-red    { color:var(--red); }

.metric-label { font-size:.68rem; font-weight:600; text-transform:uppercase; letter-spacing:.08em; color:var(--text-3); }
.sparkline { margin-top:10px; height:32px; }

/* ── LAYOUT ──────────────────────────────────────── */
.two-col   { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.three-col { display:grid; grid-template-columns:1fr 1fr 1fr; gap:16px; }
.workspace { display:grid; grid-template-columns:.9fr 1.1fr; gap:16px; }
.gap-sm    { margin-bottom:14px; }
.gap-md    { margin-bottom:18px; }

/* ── BADGES ──────────────────────────────────────── */
.badge {
  display:inline-flex; border-radius:999px;
  padding:2px 9px; font-weight:700;
  font-size:.64rem; letter-spacing:.07em;
  text-transform:uppercase;
  font-family:'JetBrains Mono',monospace;
}
.badge.ALLOW { background:var(--green-bg); color:var(--green); border:1px solid rgba(16,185,129,.25); }
.badge.WARN  { background:var(--yellow-bg); color:var(--yellow); border:1px solid rgba(245,158,11,.25); }
.badge.BLOCK { background:var(--red-bg); color:var(--red); border:1px solid rgba(239,68,68,.25); }

/* ── FORMS ───────────────────────────────────────── */
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; }

label {
  display:grid; gap:5px;
  font-size:.72rem; font-weight:700;
  color:var(--text-3);
  text-transform:uppercase; letter-spacing:.06em;
}

input,select,textarea {
  width:100%; font-family:inherit;
  font-size:.85rem; color:var(--text);
  background:var(--bg); border:1.5px solid var(--border-2);
  border-radius:var(--r-sm); padding:9px 12px; outline:none;
  transition:border-color 140ms, box-shadow 140ms;
}
input:focus,select:focus,textarea:focus {
  border-color:var(--cyan);
  box-shadow:0 0 0 3px var(--cyan-glow);
  background:#fff;
}
textarea { min-height:150px; resize:vertical; line-height:1.6; }

.chip-row { display:flex; gap:6px; flex-wrap:wrap; }
.chip {
  border:1px solid var(--border-2); color:var(--text-3);
  background:var(--bg); padding:4px 11px; border-radius:999px;
  font-size:.72rem; font-weight:600; cursor:pointer;
  transition:all 120ms ease;
}
.chip:hover { border-color:var(--cyan); color:var(--cyan); background:var(--cyan-bg); }

.inline-select {
  padding:7px 12px; border-radius:var(--r-sm);
  border:1px solid var(--border-2);
  font-family:inherit; font-size:.82rem; background:var(--bg-card);
}

/* ── DECISION REPORT ─────────────────────────────── */
.placeholder-box {
  min-height:380px; display:grid; place-items:center;
  text-align:center; border:2px dashed var(--border-2);
  border-radius:var(--r); background:var(--bg); padding:32px;
}
.placeholder-icon { font-size:3rem; margin-bottom:12px; opacity:.4; }
.placeholder-box h4 { font-size:1rem; font-weight:700; color:var(--text-3); margin-bottom:6px; }
.placeholder-box p  { color:var(--text-3); font-size:.82rem; }

.decision-card { display:grid; gap:12px; }

.decision-banner {
  border-radius:var(--r); padding:16px 20px;
  display:flex; gap:18px; align-items:center; border:1px solid;
}
.decision-banner.ALLOW { background:var(--green-bg); border-color:rgba(16,185,129,.25); }
.decision-banner.WARN  { background:var(--yellow-bg); border-color:rgba(245,158,11,.25); }
.decision-banner.BLOCK { background:var(--red-bg); border-color:rgba(239,68,68,.25); }

.risk-circle {
  width:80px; height:80px; border-radius:50%;
  display:grid; place-items:center; flex-shrink:0;
  background:conic-gradient(var(--rc,var(--cyan)) calc(var(--risk,0)*1%), rgba(0,0,0,.06) 0);
  position:relative;
}
.risk-circle::after {
  content:''; position:absolute; inset:8px;
  border-radius:50%; background:var(--bg-card);
}
.risk-circle strong,.risk-circle span { position:relative; z-index:1; display:block; text-align:center; }
.risk-circle strong { font-size:1.4rem; font-weight:800; font-family:'JetBrains Mono',monospace; letter-spacing:-.05em; }
.risk-circle span   { font-size:.58rem; color:var(--text-3); font-weight:700; text-transform:uppercase; letter-spacing:.06em; }

.decision-meta h4 { font-size:.95rem; font-weight:700; margin-bottom:6px; }
.meta-row { font-size:.76rem; color:var(--text-3); line-height:1.7; }
.meta-row strong { color:var(--text-2); }

.info-box {
  background:var(--bg); border:1px solid var(--border);
  border-radius:var(--r-sm); padding:14px 16px;
}
.info-box h5 {
  font-size:.64rem; font-weight:700;
  text-transform:uppercase; letter-spacing:.1em;
  color:var(--text-3); margin-bottom:10px;
}
.info-box pre {
  white-space:pre-wrap; word-break:break-word;
  font-family:'JetBrains Mono',monospace;
  font-size:.76rem; color:var(--text-2); line-height:1.7;
}

.det-list { display:grid; gap:8px; }
.det-item {
  border-left:3px solid var(--cyan); padding:10px 12px;
  background:var(--bg-card);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  border-top:1px solid var(--border);
  border-right:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.det-item strong { display:block; font-size:.82rem; color:var(--text); margin-bottom:4px; }
.det-item p { font-size:.76rem; color:var(--text-3); line-height:1.5; margin:2px 0; }

.trust-box {
  font-family:'JetBrains Mono',monospace; font-size:.68rem;
  word-break:break-all; background:var(--bg);
  border:1px solid var(--border); border-radius:var(--r-sm);
  padding:12px; color:var(--text-3); line-height:1.7;
}

/* ── TABLE ───────────────────────────────────────── */
.table-wrap { overflow:auto; border:1px solid var(--border); border-radius:var(--r-sm); }
.data-table { width:100%; border-collapse:collapse; min-width:700px; }
.data-table th {
  padding:10px 14px; background:var(--bg);
  font-size:.62rem; font-weight:700;
  text-transform:uppercase; letter-spacing:.1em; color:var(--text-3);
  border-bottom:1px solid var(--border); text-align:left; white-space:nowrap;
}
.data-table td {
  padding:10px 14px; border-bottom:1px solid var(--border);
  font-size:.8rem; color:var(--text-2); vertical-align:middle;
}
.data-table tr:last-child td { border-bottom:none; }
.data-table tr:hover td { background:var(--bg); }
.empty-cell { text-align:center !important; padding:40px !important; color:var(--text-3) !important; }

/* ── RECENT DECISIONS ────────────────────────────── */
.decision-row {
  display:grid; grid-template-columns:auto 1fr auto auto;
  gap:12px; align-items:center;
  padding:10px 0; border-bottom:1px solid var(--border);
}
.decision-row:last-child { border-bottom:none; }
.dr-time   { font-size:.7rem; color:var(--text-3); font-family:'JetBrains Mono',monospace; white-space:nowrap; }
.dr-prompt { font-size:.78rem; color:var(--text-2); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.dr-tool   { font-size:.7rem; color:var(--text-3); white-space:nowrap; }
.dr-score  { font-size:.76rem; font-weight:700; font-family:'JetBrains Mono',monospace; color:var(--text-3); }

/* ── HEALTH ──────────────────────────────────────── */
.health-row {
  display:flex; justify-content:space-between; align-items:center;
  padding:9px 0; border-bottom:1px solid var(--border);
  font-size:.8rem; font-weight:500; color:var(--text-2);
}
.health-row:last-child { border-bottom:none; }
.hbadge { font-size:.62rem; font-weight:700; padding:2px 8px; border-radius:999px; text-transform:uppercase; letter-spacing:.06em; }
.hbadge.ok   { background:var(--green-bg); color:var(--green); border:1px solid rgba(16,185,129,.2); }
.hbadge.warn { background:var(--yellow-bg); color:var(--yellow); }
.hbadge.err  { background:var(--red-bg); color:var(--red); }

/* ── CHARTS ──────────────────────────────────────── */
.chart-wrap { position:relative; }
.chart-wrap canvas { max-width:100%; }

/* ── BLAST RADIUS ────────────────────────────────── */
.blast-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:12px;
}
.blast-card {
  background:var(--bg-card); border:1px solid var(--border);
  border-left:4px solid; border-radius:var(--r-sm);
  padding:14px; box-shadow:var(--sh-sm); transition:all 140ms;
}
.blast-card:hover { transform:translateY(-2px); box-shadow:var(--sh); }
.blast-card.critical { border-left-color:var(--red); }
.blast-card.high     { border-left-color:var(--orange); }
.blast-card.medium   { border-left-color:var(--blue); }
.blast-card.low      { border-left-color:var(--green); }
.blast-score { font-size:1.8rem; font-weight:800; font-family:'JetBrains Mono',monospace; line-height:1; }
.irrev-tag {
  font-size:.58rem; font-weight:700; padding:1px 6px; border-radius:999px;
  background:var(--red-bg); color:var(--red); border:1px solid rgba(239,68,68,.2);
  letter-spacing:.04em; margin-left:4px; vertical-align:middle;
}

/* ── CAUSAL GRAPH ────────────────────────────────── */
.causal-timeline { display:flex; flex-direction:column; gap:2px; margin-top:4px; }
.c-wrap { display:flex; gap:10px; }
.c-left { display:flex; flex-direction:column; align-items:center; flex-shrink:0; }
.c-dot { width:12px; height:12px; border-radius:50%; flex-shrink:0; margin-top:5px; }
.c-dot.ALLOW { background:var(--green); box-shadow:0 0 8px var(--green-glow); }
.c-dot.WARN  { background:var(--yellow); box-shadow:0 0 8px rgba(245,158,11,.4); }
.c-dot.BLOCK { background:var(--red); box-shadow:0 0 8px var(--red-glow); }
.c-line { width:2px; background:var(--border-2); flex:1; margin-top:3px; min-height:18px; }
.c-body {
  flex:1; background:var(--bg); border:1px solid var(--border);
  border-radius:var(--r-sm); padding:9px 12px; margin-bottom:4px;
}
.c-title  { font-size:.82rem; font-weight:700; color:var(--text); margin-bottom:2px; }
.c-meta   { font-size:.72rem; color:var(--text-3); }
.c-prompt { font-size:.7rem; color:var(--text-3); margin-top:3px; font-style:italic; }
.cf-box {
  background:var(--cyan-bg); border:1px solid rgba(6,182,212,.2);
  border-radius:var(--r-sm); padding:11px 14px; margin-top:10px;
  font-size:.8rem; color:#0e7490; line-height:1.6;
}

/* ── RED TEAM ────────────────────────────────────── */
.case-item {
  background:var(--bg); border:1px solid var(--border);
  border-radius:var(--r-sm); padding:10px 14px; margin-bottom:8px;
}
.case-item strong { display:block; font-size:.82rem; color:var(--text); margin-bottom:3px; }
.case-item small  { color:var(--text-3); font-size:.74rem; line-height:1.5; }
.divider { border:none; border-top:1px solid var(--border); margin:18px 0; }

/* ── POLICY ──────────────────────────────────────── */
.guardrail-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-bottom:16px; }
.guardrail-item {
  background:var(--cyan-bg); border:1px solid rgba(6,182,212,.18);
  border-radius:var(--r-sm); padding:11px 13px;
  font-size:.78rem; color:#0e7490; font-weight:500; line-height:1.5;
}

/* ── ARCHITECTURE ────────────────────────────────── */
.arch-flow {
  display:flex; align-items:center; justify-content:center;
  gap:0; overflow-x:auto; padding:28px 0;
}
.arch-node {
  min-width:120px; min-height:80px; border-radius:var(--r-sm);
  padding:12px; display:flex; flex-direction:column;
  align-items:center; justify-content:center; text-align:center;
  font-weight:700; font-size:.76rem; line-height:1.4;
  border:1.5px solid; flex-shrink:0;
}
.arch-node small { font-weight:400; font-size:.66rem; opacity:.8; display:block; margin-top:3px; }
.arch-node-icon  { font-size:1.2rem; margin-bottom:5px; }
.arch-node.n0 { background:rgba(100,116,139,.06); border-color:var(--border-2); color:var(--text-3); }
.arch-node.n1 { background:var(--cyan-bg); border-color:rgba(6,182,212,.4); color:#0e7490; }
.arch-node.n2 { background:rgba(139,92,246,.06); border-color:rgba(139,92,246,.3); color:var(--purple); }
.arch-node.n3 { background:var(--green-bg); border-color:rgba(16,185,129,.4); color:#047857; }
.arch-arrow { font-size:1.2rem; color:var(--cyan); padding:0 6px; flex-shrink:0; font-weight:700; }

.arch-notes { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-top:20px; }
.arch-note { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--r-sm); padding:14px; }
.arch-note-tag {
  font-size:.6rem; font-weight:700; padding:2px 7px; border-radius:999px;
  text-transform:uppercase; letter-spacing:.06em; margin-bottom:7px; display:inline-block;
}
.arch-note-tag.cyan   { background:var(--cyan-bg); color:var(--cyan); }
.arch-note-tag.orange { background:rgba(249,115,22,.08); color:var(--orange); }
.arch-note-tag.red    { background:var(--red-bg); color:var(--red); }
.arch-note-tag.purple { background:rgba(139,92,246,.08); color:var(--purple); }
.arch-note h4 { font-size:.84rem; font-weight:700; margin-bottom:5px; color:var(--text); }
.arch-note p  { font-size:.74rem; color:var(--text-3); line-height:1.6; }

/* ── MISC ────────────────────────────────────────── */
.empty-state {
  color:var(--text-3); border:1.5px dashed var(--border-2);
  border-radius:var(--r-sm); padding:20px;
  font-size:.8rem; text-align:center; background:var(--bg);
}
.info-banner { padding:12px 16px; border-radius:var(--r-sm); font-size:.8rem; line-height:1.7; margin-bottom:18px; }
.info-banner.cyan { background:var(--cyan-bg); border:1px solid rgba(6,182,212,.2); color:#0e7490; }

.stat-row { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-bottom:16px; }
.stat-box { background:var(--bg); border:1px solid var(--border); border-radius:var(--r-sm); padding:12px 14px; text-align:center; }
.stat-box-val { font-size:1.4rem; font-weight:800; font-family:'JetBrains Mono',monospace; color:var(--text); }
.stat-box-lbl { font-size:.64rem; font-weight:700; text-transform:uppercase; letter-spacing:.08em; color:var(--text-3); margin-top:2px; }

.drift-turn { background:var(--bg); border:1px solid var(--border); border-radius:var(--r-sm); padding:11px 14px; margin-bottom:8px; }
.drift-turn-head { display:flex; justify-content:space-between; align-items:center; margin-bottom:7px; font-size:.74rem; }
.drift-bar-wrap { height:10px; background:var(--border); border-radius:999px; overflow:hidden; }
.drift-bar-fill { height:100%; border-radius:999px; transition:width .6s; }
.drift-prompt { font-size:.7rem; color:var(--text-3); margin-top:5px; font-style:italic; }

.rt-round {
  border-left:4px solid; padding:10px 14px; margin:6px 0;
  border-radius:0 var(--r-sm) var(--r-sm) 0; background:var(--bg);
  border-top:1px solid var(--border); border-right:1px solid var(--border); border-bottom:1px solid var(--border);
  font-size:.8rem;
}
.rt-round.blocked  { border-left-color:var(--green); }
.rt-round.bypassed { border-left-color:var(--red); }

.evolved-rule {
  background:var(--green-bg); border-left:3px solid var(--green);
  padding:7px 12px; margin:3px 0;
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:.75rem; color:#065f46; font-weight:500;
}

.toast {
  position:fixed; right:18px; bottom:18px; max-width:320px;
  padding:11px 16px; border-radius:var(--r-sm);
  background:var(--bg-dark); color:#f1f5f9;
  font-size:.8rem; font-weight:600; box-shadow:var(--sh-lg);
  opacity:0; transform:translateY(6px);
  pointer-events:none; transition:180ms ease; z-index:999;
  border-left:3px solid var(--cyan);
}
.toast.show { opacity:1; transform:translateY(0); }

::-webkit-scrollbar { width:5px; height:5px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--border-2); border-radius:999px; }

@media(max-width:1280px) { .metric-grid{grid-template-columns:repeat(3,1fr);} .arch-notes{grid-template-columns:repeat(2,1fr);} }
@media(max-width:1024px) {
  .sidebar{position:relative;width:100%;height:auto;border-right:none;border-bottom:1px solid var(--sb-border);padding:10px;}
  .nav{flex-direction:row;flex-wrap:wrap;padding:8px;gap:3px;} .nav-item{font-size:.74rem;padding:6px 9px;} .nav-label{display:none;}
  .main{margin-left:0;} .workspace,.two-col,.three-col{grid-template-columns:1fr;} body{flex-direction:column;}
}
@media(max-width:640px) {
  .main{padding:12px;} .metric-grid{grid-template-columns:1fr 1fr;}
  .form-grid,.guardrail-grid,.arch-notes{grid-template-columns:1fr;} .topbar{flex-direction:column;align-items:flex-start;}
}