:root {
  /* Kontinuum frame */
  --void: #09090b;
  --surface: #101013;
  --line: rgba(240, 237, 230, 0.09);
  --line-strong: rgba(240, 237, 230, 0.16);
  --cream: #f0ede6;
  --silver: #a3a7ae;
  --steel: #6f7278;
  --signal: #d9422e;

  /* Clinic widget */
  --w-bg: #faf8f4;
  --w-panel: #ffffff;
  --w-ink: #1b1c1f;
  --w-muted: #6b6e75;
  --w-line: #e7e3da;
  --w-user: #1b1c1f;
  --w-accent: #c9862a;
  --w-accent-soft: #f6ead6;

  --font: "Geist", "Noto Sans Georgian", system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--void);
  color: var(--cream);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: inherit; }

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
}
.brand {
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.tag, .eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--silver);
}
.tag {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 2px 10px;
}

/* Layout */
.layout {
  flex: 1;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 40px 28px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 56px;
  align-items: start;
}

.intro { padding-top: 12px; }
.eyebrow { margin: 0 0 14px; color: var(--signal); }
h1 {
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.12;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}
.lede { color: var(--silver); margin: 0 0 24px; max-width: 46ch; }
.facts { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 10px; }
.facts li { display: flex; align-items: center; gap: 10px; }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); flex: none; }
.sample-note {
  font-size: 13px;
  color: var(--steel);
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin: 0;
  max-width: 52ch;
}
.sample-note strong { color: var(--silver); font-weight: 500; }
.linklike {
  background: none;
  border: 0;
  padding: 0;
  color: var(--cream);
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

/* Widget */
.widget {
  background: var(--w-bg);
  color: var(--w-ink);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: min(720px, calc(100vh - 150px));
  min-height: 520px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}
.widget-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--w-panel);
  border-bottom: 1px solid var(--w-line);
}
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, #ffd27a 0 22%, var(--w-accent) 23% 34%, var(--w-accent-soft) 35%);
  flex: none;
}
.clinic { font-weight: 600; }
.status { font-size: 12px; color: var(--w-muted); }

.log {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.msg { display: flex; flex-direction: column; max-width: 88%; }
.msg.user { align-self: flex-end; align-items: flex-end; }
.msg.bot { align-self: flex-start; }
.bubble {
  padding: 11px 14px;
  border-radius: 14px;
  background: var(--w-panel);
  border: 1px solid var(--w-line);
  overflow-wrap: anywhere;
}
.bubble .ka { display: block; margin-top: 6px; color: var(--w-muted); }
.msg.user .bubble { background: var(--w-user); color: #fff; border-color: var(--w-user); white-space: pre-wrap; }
.msg.error .bubble { background: #fff3f1; border-color: #f2c9c2; color: #8a2a1c; }
.bubble p { margin: 0 0 8px; }
.bubble p:last-child, .bubble ul:last-child { margin-bottom: 0; }
.bubble ul { margin: 4px 0 8px; padding-left: 20px; }
.bubble sup {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--w-accent);
  font-weight: 500;
  margin-left: 1px;
}

.sources {
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--w-muted);
  display: grid;
  gap: 4px;
}
.sources details summary { cursor: pointer; list-style: none; }
.sources details summary::-webkit-details-marker { display: none; }
.sources .n {
  display: inline-grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background: var(--w-accent-soft);
  color: #8a5a14;
  font-family: var(--mono);
  font-size: 10px;
  margin-right: 6px;
}
.sources .lang-pill {
  font-family: var(--mono);
  font-size: 10px;
  border: 1px solid var(--w-line);
  border-radius: 4px;
  padding: 0 4px;
  margin-left: 4px;
}
.sources blockquote {
  margin: 4px 0 4px 22px;
  padding-left: 10px;
  border-left: 2px solid var(--w-line);
  color: var(--w-ink);
  white-space: pre-wrap;
}
.retrieved { font-size: 12px; color: var(--w-muted); margin-top: 4px; }
.retrieved summary { cursor: pointer; }
.retrieved ol { margin: 4px 0 0; padding-left: 20px; }
.retrieved .score { font-family: var(--mono); }

/* Handoff form */
.handoff {
  margin-top: 8px;
  background: var(--w-panel);
  border: 1px dashed var(--w-accent);
  border-radius: 12px;
  padding: 12px;
  display: grid;
  gap: 8px;
  max-width: 340px;
}
.handoff p { margin: 0; font-size: 13px; }
.handoff input {
  font: inherit;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--w-line);
  background: var(--w-bg);
  color: var(--w-ink);
}
.handoff button {
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 8px;
  border: 0;
  background: var(--w-ink);
  color: #fff;
  cursor: pointer;
}
.handoff .fine { font-size: 11.5px; color: var(--w-muted); }

.typing { display: inline-flex; gap: 4px; padding: 4px 0; }
.typing i {
  width: 6px; height: 6px; border-radius: 50%; background: var(--w-muted);
  animation: blink 1.2s infinite ease-in-out;
}
.typing i:nth-child(2) { animation-delay: 0.15s; }
.typing i:nth-child(3) { animation-delay: 0.3s; }
@keyframes blink { 0%, 80%, 100% { opacity: 0.25; } 40% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .typing i { animation: none; opacity: 0.6; } }

.examples {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 0 20px 12px;
}
.examples button {
  flex: none;
  font: inherit;
  font-size: 13px;
  color: var(--w-ink);
  background: var(--w-panel);
  border: 1px solid var(--w-line);
  border-radius: 999px;
  padding: 6px 12px 6px 6px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.examples button:hover { border-color: var(--w-accent); }
.examples .lang {
  font-family: var(--mono);
  font-size: 10px;
  background: var(--w-accent-soft);
  color: #8a5a14;
  border-radius: 999px;
  padding: 2px 7px;
}

.composer {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  padding: 12px 16px 16px;
  border-top: 1px solid var(--w-line);
  background: var(--w-panel);
}
.composer textarea {
  flex: 1;
  resize: none;
  font: inherit;
  font-size: 15px;
  line-height: 1.4;
  max-height: 120px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--w-line);
  background: var(--w-bg);
  color: var(--w-ink);
}
.composer textarea::placeholder { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.composer textarea:focus, .handoff input:focus { outline: 2px solid var(--w-accent); outline-offset: -1px; }
.composer button {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 0;
  background: var(--w-ink);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
}
.composer button:disabled { opacity: 0.4; cursor: default; }

.foot {
  text-align: center;
  font-size: 12.5px;
  color: var(--steel);
  padding: 20px 28px 28px;
}

/* Knowledge base dialog */
.kb-dialog {
  width: min(760px, calc(100vw - 32px));
  max-height: calc(100vh - 64px);
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--surface);
  color: var(--cream);
}
.kb-dialog::backdrop { background: rgba(0, 0, 0, 0.6); }
.kb-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}
.kb-sub { color: var(--steel); font-size: 13px; flex: 1; }
.close {
  background: none;
  border: 0;
  color: var(--silver);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.kb-tabs { display: flex; flex-wrap: wrap; gap: 6px; padding: 12px 20px 0; }
.kb-tabs button {
  font: inherit;
  font-size: 12.5px;
  background: none;
  color: var(--silver);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 3px 10px;
  cursor: pointer;
}
.kb-tabs button[aria-pressed="true"] { background: var(--cream); color: var(--void); border-color: var(--cream); }
.kb-body {
  margin: 0;
  padding: 16px 20px 24px;
  font-family: var(--font);
  font-size: 13.5px;
  white-space: pre-wrap;
  overflow: auto;
  max-height: calc(100vh - 200px);
  color: var(--silver);
}

@media (max-width: 880px) {
  .topbar { padding: 14px 16px; }
  .layout { grid-template-columns: 1fr; gap: 28px; padding: 24px 16px; }
  .widget { order: -1; height: calc(100svh - 120px); min-height: 460px; border-radius: 14px; }
  .examples { padding: 0 12px 10px; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .log { padding: 14px; }
  .composer { padding: 10px 12px 12px; }
}