:root {
  --bg: #0d1117;
  --bg-elev: #161b22;
  --bg-elev2: #1c2330;
  --border: #2a3441;
  --text: #e6edf3;
  --text-dim: #8b949e;
  --accent: #2f81f7;
  --accent-dim: #1f6feb;
  --green: #3fb950;
  --red: #f85149;
  --amber: #d29922;
  --radius: 8px;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
}
.topbar .brand { display: inline-flex; align-items: center; gap: 0.6rem; font-weight: 700; font-size: 1.1rem; letter-spacing: -0.02em; text-decoration: none; }
.topbar .brand:hover { text-decoration: none; }
.topbar .brand span { color: var(--accent); }
.brand-img { height: 30px; width: auto; display: block; }
.brand-sub {
  font-size: 0.64rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-dim); border: 1px solid var(--border); border-radius: 100px; padding: 0.1rem 0.5rem;
}
.topbar .spacer { flex: 1; }
.topbar .op { color: var(--text-dim); font-size: 0.85rem; }

.layout { display: flex; min-height: calc(100vh - 53px); }
.sidebar {
  width: 200px;
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  padding: 1rem 0.5rem;
  flex-shrink: 0;
}
.sidebar a {
  display: block;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  color: var(--text-dim);
  margin-bottom: 2px;
}
.sidebar a:hover { background: var(--bg-elev2); color: var(--text); text-decoration: none; }
.sidebar a.active { background: var(--accent-dim); color: #fff; }
.sidebar .group { font-size: 0.7rem; text-transform: uppercase; color: var(--text-dim);
  padding: 0.75rem 0.75rem 0.25rem; letter-spacing: 0.06em; }

.main { flex: 1; padding: 1.5rem 2rem; max-width: 1100px; }
h1 { font-size: 1.5rem; margin: 0 0 1rem; letter-spacing: -0.02em; }
h2 { font-size: 1.05rem; margin: 1.5rem 0 0.75rem; color: var(--text); }
.muted { color: var(--text-dim); }
.small { font-size: 0.8rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; }
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}
.card .num { font-size: 2rem; font-weight: 700; }
.card .label { color: var(--text-dim); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }

.legrow { display: flex; align-items: center; gap: 0.6rem; padding: 0.5rem 0; border-bottom: 1px solid var(--border); }
.dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.dot.up { background: var(--green); }
.dot.down { background: var(--red); }
.dot.lib { background: var(--text-dim); }
.badge { font-family: var(--mono); font-size: 0.7rem; padding: 0.1rem 0.45rem; border-radius: 4px;
  background: var(--bg-elev2); color: var(--text-dim); border: 1px solid var(--border); }
.badge.lib { color: var(--amber); }

table { width: 100%; border-collapse: collapse; margin-top: 0.5rem; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); font-size: 0.85rem; }
th { color: var(--text-dim); font-weight: 600; text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.04em; }
td.mono, .mono { font-family: var(--mono); font-size: 0.8rem; }
tr:hover td { background: var(--bg-elev); }

.verdict { font-family: var(--mono); font-size: 0.72rem; padding: 0.1rem 0.4rem; border-radius: 4px; }
.verdict.APPROVED, .verdict.ALLOW, .verdict.allow { background: rgba(63,185,80,0.15); color: var(--green); }
.verdict.DENIED, .verdict.BLOCK, .verdict.block { background: rgba(248,81,73,0.15); color: var(--red); }
.verdict.REVIEW, .verdict.review { background: rgba(210,153,34,0.15); color: var(--amber); }

form.inline { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
input, select, textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
  font-size: 0.85rem;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { width: 100%; font-family: var(--mono); min-height: 90px; }
button, .btn {
  background: var(--accent-dim); color: #fff; border: none; border-radius: 6px;
  padding: 0.5rem 0.9rem; font-size: 0.85rem; cursor: pointer; font-weight: 500;
}
button:hover, .btn:hover { background: var(--accent); text-decoration: none; }
.btn.ghost { background: var(--bg-elev2); color: var(--text); border: 1px solid var(--border); }

.notice { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: 0.85rem; }
.notice.warn { background: rgba(210,153,34,0.1); border: 1px solid var(--amber); color: #e3b341; }
.notice.err { background: rgba(248,81,73,0.1); border: 1px solid var(--red); color: #ff7b72; }
.notice.ok { background: rgba(63,185,80,0.1); border: 1px solid var(--green); color: #56d364; }
.notice.info { background: rgba(47,129,247,0.08); border: 1px solid var(--accent); color: #79c0ff; }

.settings-leg { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.25rem; margin-bottom: 1rem; }
.settings-leg h3 { margin: 0 0 0.5rem; font-size: 0.95rem; }
.fieldrow { display: grid; grid-template-columns: 120px 1fr; gap: 0.5rem; align-items: center; margin-bottom: 0.5rem; }
.fieldrow label { color: var(--text-dim); font-size: 0.8rem; }

/* landing */
.hero { text-align: center; padding: 4rem 1rem 2rem; }
.hero h1 { font-size: 2.4rem; }
.hero p { color: var(--text-dim); font-size: 1.1rem; max-width: 560px; margin: 0.5rem auto 0; }
.center-box { max-width: 420px; margin: 3rem auto; background: var(--bg-elev);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; }
.center-box h1 { text-align: center; }
.center-box .fieldrow { grid-template-columns: 1fr; gap: 0.25rem; }
.center-box input { width: 100%; }
.leg-checks { display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem; margin: 0.5rem 0; }
.leg-checks label { display: flex; gap: 0.4rem; align-items: center; color: var(--text); font-size: 0.85rem; }
.stack > * + * { margin-top: 0.75rem; }

/* landing door-selector (app entry — customer vs operator vs agent) */
.doors { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem; max-width: 720px; margin: 1.5rem auto 0; padding: 0 1rem; }
.door { display: flex; flex-direction: column; gap: 0.4rem; padding: 1.5rem;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text); text-decoration: none; transition: border-color 0.12s, transform 0.12s; }
.door:hover { border-color: var(--accent); transform: translateY(-2px); text-decoration: none; }
.door .door-icon { font-size: 1.8rem; }
.door strong { font-size: 1.15rem; }
.door .door-cta { color: var(--accent); font-size: 0.85rem; font-weight: 600; margin-top: 0.4rem; }
.agent-strip { display: flex; align-items: center; gap: 1rem; max-width: 720px;
  margin: 1.25rem auto 0; padding: 1rem 1.25rem; background: var(--bg-elev2);
  border: 1px solid var(--border); border-radius: var(--radius); }
.agent-strip .agent-icon { font-size: 1.6rem; }
.agent-strip > div { display: flex; flex-direction: column; flex: 1; }
.agent-strip .btn { white-space: nowrap; }

/* inline code blocks (developer page) */
pre.code { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.25rem; overflow-x: auto; font-family: var(--mono); font-size: 0.8rem;
  line-height: 1.45; color: var(--text); }
table.data { width: 100%; border-collapse: collapse; margin-top: 0.5rem; }

/* key/value definition tables (settings "Current" + glossary) */
table.kv td { border-bottom: 1px solid var(--border); padding: 0.4rem 0.6rem; vertical-align: top; }
table.kv td:first-child { color: var(--text-dim); white-space: nowrap; width: 1%; padding-right: 1.25rem; }

/* C4: collapsible help / definitions glossary (customer Shield page) */
.glossary { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 0.6rem; }
.glossary > summary { cursor: pointer; padding: 0.7rem 1rem; font-weight: 600; font-size: 0.9rem;
  list-style: none; user-select: none; }
.glossary > summary::-webkit-details-marker { display: none; }
.glossary > summary::before { content: "▸ "; color: var(--accent); }
.glossary[open] > summary::before { content: "▾ "; }
.glossary > summary:hover { color: var(--accent); }
.glossary .glossary-body { padding: 0 1rem 1rem; border-top: 1px solid var(--border); }
.glossary .glossary-body p:first-child { margin-top: 0.75rem; }

/* Lock Q: provider catalog cards (connect page) */
.provider-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.75rem; margin: 0.75rem 0; }
.provider-card { border: 1px solid var(--border); border-radius: var(--radius);
  padding: 0.9rem 1rem; background: var(--bg-elev); }
.provider-head { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.35rem; }
.pill { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.03em; text-transform: uppercase;
  padding: 0.1rem 0.45rem; border-radius: 100px; background: var(--bg-elev2);
  color: var(--text-dim); border: 1px solid var(--border); }
.pill-free { background: rgba(63,185,80,0.15); color: var(--green); border-color: transparent; }
.pill-kind { background: rgba(47,129,247,0.12); color: var(--accent); border-color: transparent; }

/* Customer surface — subscribed-leg cards (Door-1 / role-filtered) */
.leg-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.75rem; margin: 0.75rem 0; }
.leg-card { display: flex; flex-direction: column; gap: 0.35rem; padding: 1rem; border: 1px solid var(--border, #30363d); border-radius: 8px; text-decoration: none; color: var(--text); background: rgba(255,255,255,0.02); transition: border-color 0.15s, transform 0.15s; }
.leg-card:hover { border-color: var(--accent, #2f81f7); transform: translateY(-2px); text-decoration: none; }
.leg-card-badge { width: 52px; height: 52px; object-fit: contain; border-radius: 10px; margin-bottom: 0.2rem; }

/* ── Split-screen auth (door-selector + customer/operator sign-in) ── */
.auth-split { display: grid; grid-template-columns: 1.05fr 1fr; min-height: 100vh; }
.auth-brand {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: center; gap: 1.6rem;
  padding: 3rem 3.5rem;
  background: linear-gradient(160deg, #0d1117 0%, #131a25 55%, #0b0e14 100%);
  border-right: 1px solid var(--border);
}
.auth-brand-mark { display: inline-block; }
.auth-brand-mark img { width: min(220px, 56%); height: auto; display: block; }
.auth-brand-tag { font-size: 1.18rem; font-weight: 600; color: var(--text); max-width: 430px; line-height: 1.45; }
.auth-legs { display: flex; gap: 0.9rem; flex-wrap: wrap; }
.auth-legs img {
  width: 54px; height: 54px; object-fit: contain; border-radius: 11px; opacity: 0.94;
  animation: legPulse 3.4s ease-in-out infinite; animation-delay: calc(var(--i, 0) * 0.32s);
}
@keyframes legPulse {
  0%, 100% { transform: translateY(0); filter: drop-shadow(0 0 0 transparent); opacity: 0.9; }
  50% { transform: translateY(-5px); filter: drop-shadow(0 7px 15px rgba(47,129,247,0.4)); opacity: 1; }
}
.auth-brand-foot { color: var(--text-dim); font-size: 0.82rem; letter-spacing: 0.01em; }
.auth-glow {
  position: absolute; bottom: -22%; left: -8%; width: 480px; height: 480px; pointer-events: none; z-index: 0;
  background: radial-gradient(closest-side, rgba(47,129,247,0.20), rgba(124,91,255,0.12), transparent 70%);
  filter: blur(34px); animation: glowDrift 13s ease-in-out infinite alternate;
}
.auth-brand > *:not(.auth-glow) { position: relative; z-index: 1; }
@keyframes glowDrift { from { transform: translate(0,0); } to { transform: translate(48px,-34px); } }

.auth-form { display: flex; align-items: center; justify-content: center; padding: 2.5rem 2rem; }
.auth-form-inner { width: 100%; max-width: 380px; }
.auth-form-inner.wide { max-width: 470px; }
.auth-form-inner h1 { font-size: 1.7rem; margin: 0 0 1.3rem; }
.auth-form-inner .fieldrow { grid-template-columns: 1fr; gap: 0.3rem; margin-bottom: 0.75rem; }
.auth-form-inner input { width: 100%; }
.auth-form-inner button[type=submit] { width: 100%; margin-top: 0.4rem; }
.auth-form-inner .doors { display: flex; flex-direction: column; gap: 0.8rem; }
.auth-form-inner .agent-strip { margin-top: 1.4rem; }

@media (max-width: 820px) {
  .auth-split { grid-template-columns: 1fr; min-height: auto; }
  .auth-brand { padding: 2.5rem 1.8rem; border-right: none; border-bottom: 1px solid var(--border); }
  .auth-legs img { width: 44px; height: 44px; }
  .auth-form { padding: 2rem 1.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  .auth-legs img, .auth-glow { animation: none; }
}