:root {
  --navy-900: #071c42;
  --navy-800: #0a2a5e;
  --blue: #0b3d8f;
  --blue-soft: #eaf0fb;
  --gold: #c9a227;
  --gold-light: #f0d48a;
  --cream: #f7f4ec;
  --paper: #ffffff;
  --ink: #1a2333;
  --muted: #5b6472;
  --border: #e6e2d6;
  --shadow: 0 20px 50px -20px rgba(7, 28, 66, 0.25);
  --ok: #1e8e5a;
  --err: #c23b3b;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #fbfaf6 0%, #f3f0e7 100%);
  min-height: 100vh;
}

.container { max-width: 980px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  background: var(--navy-900);
  color: #fff;
  border-bottom: 3px solid var(--gold);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.wordmark { display: flex; align-items: center; gap: 12px; }
.crest { width: 46px; height: 46px; }
.wordmark-text { display: flex; flex-direction: column; line-height: 1.1; }
.bank-name { font-family: "Merriweather", Georgia, serif; font-size: 19px; font-weight: 700; letter-spacing: 0.2px; }
.bank-sub { font-size: 11.5px; color: var(--gold-light); letter-spacing: 0.4px; text-transform: uppercase; }

.header-right { display: flex; align-items: center; gap: 10px; }
.pill {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.3px;
  padding: 5px 12px;
  border-radius: 999px;
}
.pill-secure { background: rgba(201, 162, 39, 0.16); color: var(--gold-light); border: 1px solid rgba(201, 162, 39, 0.4); }

/* Hero */
.hero { padding: 56px 0 32px; text-align: center; }
.eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
}
.hero h1 {
  font-family: "Merriweather", Georgia, serif;
  font-size: 42px;
  line-height: 1.12;
  margin: 0 0 16px;
  color: var(--navy-900);
  letter-spacing: -0.5px;
}
.hero-sub { font-size: 17px; color: var(--muted); max-width: 620px; margin: 0 auto 22px; line-height: 1.6; }
.hero-hints { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.hero-hints span {
  font-size: 13px;
  font-weight: 500;
  color: var(--navy-800);
  background: var(--paper);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 999px;
  box-shadow: 0 1px 2px rgba(7,28,66,0.04);
}

/* Assistant card */
.assistant-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 48px;
}
.assistant-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #ffffff, #faf9f5);
}
.assistant-title { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--navy-800));
}
.assistant-title strong { display: block; font-size: 15px; color: var(--navy-900); }
.assistant-sub { font-size: 12px; color: var(--muted); }

.status { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--muted); }
.status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.status.ready .dot { background: var(--ok); }
.status.busy .dot { background: var(--gold); animation: pulse 1s infinite; }
.status.error .dot { background: var(--err); }
@keyframes pulse { 50% { opacity: 0.4; } }

/* Chat */
.chat {
  height: 420px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  background: var(--cream);
}
.message { display: flex; }
.message.user { justify-content: flex-end; }
.message.assistant { justify-content: flex-start; }

.bubble {
  max-width: 82%;
  padding: 12px 16px;
  border-radius: 14px;
  line-height: 1.55;
  font-size: 14.5px;
  white-space: normal;
  word-wrap: break-word;
}
.message.user .bubble {
  background: var(--navy-800);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.message.assistant .bubble {
  background: var(--paper);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
  box-shadow: 0 1px 3px rgba(7,28,66,0.06);
}

.bubble ul { margin: 8px 0; padding-left: 20px; }
.bubble li { margin: 4px 0; }
.bubble strong { color: var(--navy-900); }

.sources {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}
.source-tag {
  display: inline-block;
  background: var(--blue-soft);
  border: 1px solid #d3def2;
  border-radius: 999px;
  padding: 2px 10px;
  margin: 3px 4px 0 0;
  font-size: 11.5px;
  color: var(--navy-800);
}
.source-tag .ticket { color: var(--blue); font-weight: 600; }

/* Composer */
.composer {
  display: flex;
  gap: 10px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
}
.composer input {
  flex: 1;
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--ink);
  font-size: 15px;
  padding: 12px 14px;
  outline: none;
}
.composer input:focus { border-color: var(--blue); background: #fff; }
.composer input::placeholder { color: var(--muted); }
.composer button {
  background: linear-gradient(135deg, var(--blue), var(--navy-800));
  border: none;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 0 26px;
  border-radius: 10px;
  cursor: pointer;
}
.composer button:hover { filter: brightness(1.08); }
.composer button:disabled { opacity: 0.55; cursor: not-allowed; }

/* Assistant footer */
.assistant-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 20px;
  border-top: 1px solid var(--border);
  font-size: 11.5px;
  color: var(--muted);
  background: #faf9f5;
}
.datasources { font-weight: 500; }
.datasources.live { color: var(--ok); }
.datasources.partial { color: var(--gold); }
.datasources.error { color: var(--err); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  background: #fff;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12.5px;
  color: var(--muted);
}

@media (max-width: 640px) {
  .hero h1 { font-size: 30px; }
  .chat { height: 360px; }
}