:root {
  --ink: #14213d;
  --ink-2: #2c3a5a;
  --gold: #c9a227;
  --gold-soft: #f4ead0;
  --line: #d7dce8;
  --bg: #f4f5f8;
  --card: #fff;
  --muted: #5b6478;
  --ok: #1b7a3d;
  --warn: #8a5a00;
  --danger: #9b1c1c;
  --shadow: 0 8px 28px rgba(20, 33, 61, 0.08);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", "Liberation Sans", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  min-height: 100vh;
}
a { color: #1a4a9e; }
img { max-width: 100%; }
.skip {
  position: absolute; left: -999px; top: 0;
}
.skip:focus { left: 8px; top: 8px; background: #fff; padding: 8px; z-index: 20; }
.topbar {
  background: var(--ink);
  color: #fff;
  font-size: 0.85rem;
  padding: 8px 20px;
}
.topbar strong { color: var(--gold); font-weight: 600; }
.header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-mark {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--ink); color: var(--gold);
  display: grid; place-items: center; font-family: Georgia, serif; font-size: 1.2rem;
}
.brand h1 { font-size: 1.15rem; margin: 0; letter-spacing: 0.01em; }
.brand small { display: block; color: var(--muted); font-weight: 400; }
nav { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
nav a {
  color: var(--ink); text-decoration: none; padding: 8px 12px; border-radius: 8px;
  min-height: 44px; display: inline-flex; align-items: center;
}
[hidden] { display: none !important; }
nav a[aria-current="page"], nav a:hover { background: var(--gold-soft); }
.lang { display: flex; gap: 4px; }
button, .btn {
  font: inherit; cursor: pointer; border-radius: 8px;
  border: 1px solid var(--ink); background: var(--ink); color: #fff;
  padding: 10px 14px; min-height: 44px;
}
button.secondary, .btn.secondary { background: #fff; color: var(--ink); }
button.gold, .btn.gold { background: var(--gold); border-color: var(--gold); color: var(--ink); }
button.linkish { background: none; border: 0; color: #1a4a9e; min-height: 36px; padding: 6px 8px; }
button[aria-pressed="true"] { outline: 3px solid var(--gold); }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid #1a73e8; outline-offset: 2px;
}
.wrap { max-width: 1120px; margin: 0 auto; padding: 20px 16px 48px; }
.hero {
  background: linear-gradient(135deg, var(--ink), #24365c);
  color: #fff; border-radius: 16px; padding: 28px 28px 24px; margin-bottom: 20px;
}
.hero h2 { margin: 0 0 8px; font-size: 1.7rem; }
.hero p { margin: 0; color: #e8eaf2; max-width: 62ch; }
.disclosure {
  background: var(--gold-soft); border-left: 4px solid var(--gold);
  padding: 10px 14px; margin: 16px 0; border-radius: 0 8px 8px 0;
}
.grid { display: grid; gap: 16px; }
@media (min-width: 900px) {
  .grid-2 { grid-template-columns: 1.4fr 0.8fr; }
  .grid-case { grid-template-columns: 1fr 1fr; }
  .kpi { grid-template-columns: repeat(4, 1fr); }
}
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 16px; box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.thread {
  display: flex; flex-direction: column; gap: 10px;
  min-height: 280px; max-height: 52vh; overflow: auto; padding: 4px;
}
.msg { border-radius: 12px; padding: 10px 12px; max-width: 92%; }
.msg.user { align-self: flex-end; background: #e8eef9; }
.msg.bot { align-self: flex-start; background: #fff; border: 1px solid var(--line); }
.msg.sys { align-self: stretch; background: var(--gold-soft); }
.cite { font-size: 0.85rem; color: var(--muted); margin-top: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.chip {
  background: #fff; color: var(--ink); border: 1px solid var(--line);
  border-radius: 999px; padding: 8px 12px; min-height: 40px;
}
.ask { display: flex; gap: 8px; margin-top: 12px; }
.ask input, .ask textarea { flex: 1; }
input, textarea, select {
  font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  width: 100%; background: #fff;
}
textarea { min-height: 160px; resize: vertical; }
label { display: block; font-weight: 600; margin: 10px 0 4px; }
.muted { color: var(--muted); font-size: 0.92rem; }
.kpi { display: grid; gap: 12px; margin-bottom: 16px; }
.kpi .card strong { display: block; font-size: 1.6rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { border-bottom: 1px solid var(--line); text-align: left; padding: 10px 8px; vertical-align: top; }
th { color: var(--ink-2); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
.badge {
  display: inline-block; border-radius: 999px; padding: 2px 8px; font-size: 0.75rem;
  background: #eef1f7; white-space: nowrap;
}
.badge.new { background: #e8eef9; }
.badge.pending-approval { background: var(--gold-soft); }
.badge.sent { background: #dcefe3; color: var(--ok); }
.phone-shell {
  max-width: 420px; margin: 0 auto; background: #0e1526; color: #fff;
  border-radius: 32px; padding: 18px 16px 24px; box-shadow: var(--shadow);
}
.phone-shell .screen { background: #1b2744; border-radius: 20px; padding: 16px; min-height: 420px; }
.phone-shell .msg.bot { background: #24365c; border: 0; color: #fff; }
.phone-shell .msg.user { background: #c9a227; color: var(--ink); }
.accounts { background: #f8f5ea; border-radius: 10px; padding: 12px; font-size: 0.9rem; }
.accounts code { font-size: 0.85rem; }
.footer {
  border-top: 1px solid var(--line); padding: 16px 20px; color: var(--muted); font-size: 0.85rem;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.alert { color: var(--danger); margin: 8px 0; }
.ok { color: var(--ok); }
.userchip { font-size: 0.85rem; color: var(--muted); }
@media (max-width: 640px) {
  .ask { flex-direction: column; }
  .hero { padding: 20px 16px; }
  .header { padding: 10px 12px; }
}