:root {
  --bg: #171713;
  --panel: #202019;
  --panel2: #282419;
  --honey: #e7b94f;
  --honey2: #b98a2c;
  --text: #f3eddd;
  --muted: #a49c88;
  --border: #494026;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, sans-serif;
}
button, textarea, select { font: inherit; }
button, select {
  color: var(--text); background: var(--panel2);
  border: 1px solid var(--border); border-radius: 10px; padding: 10px;
}
button { cursor: pointer; }
button:hover { border-color: var(--honey); }
button:disabled { opacity: .5; cursor: wait; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 260px 1fr; }
.sidebar {
  background: #1d1c16; border-right: 1px solid var(--border);
  padding: 22px 16px; display: flex; flex-direction: column; gap: 15px;
}
.brand { color: var(--text); text-decoration: none; font-size: 18px; }
.brand b { color: var(--honey); }
.new-chat { text-align: left; }
.side-label, .eyebrow {
  color: var(--honey); font-size: 11px; letter-spacing: .13em;
  font-weight: 800; margin-top: 14px;
}
.side-chip { display: flex; gap: 10px; align-items: center; }
.side-chip span { display: grid; }
.side-chip small, .temperature small, .quota-box small { color: var(--muted); }
.model-label { font-size: 12px; color: var(--muted); }
#model-select { width: 100%; }
.temperature {
  margin-top: 10px; padding: 14px; display: flex; gap: 12px;
  align-items: center; border: 1px solid var(--border);
  background: var(--panel); border-radius: 12px;
}
.temperature strong { display: block; font-size: 22px; color: var(--honey); }
.temperature small { display: block; }
.quota-box { padding: 12px; border: 1px solid var(--border); border-radius: 12px; }
.quota-box strong { display: block; margin-bottom: 6px; }
.quota-track { height: 6px; background: #3b3525; border-radius: 8px; margin: 9px 0; overflow: hidden; }
#quota-bar { width: 0; height: 100%; background: var(--honey); transition: width .2s; }
.sidebar-note { color: var(--muted); font-size: 12px; margin-top: auto; }
.main { min-width: 0; min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  height: 62px; padding: 0 24px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.icon-button { font-size: 20px; }
.conversation {
  flex: 1; width: 100%; max-width: 900px; margin: 0 auto;
  padding: 35px clamp(16px, 4vw, 48px); overflow-y: auto;
}
.welcome { max-width: 650px; margin: 30px auto; }
.welcome-icon { font-size: 36px; }
.welcome h1 { font-size: clamp(34px, 5vw, 58px); line-height: 1.05; }
.welcome h1 em { color: var(--honey); }
.welcome p { color: var(--muted); }
.suggestions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.suggestions button { text-align: left; min-height: 60px; }
.message { display: flex; gap: 12px; margin: 0 auto 22px; max-width: 740px; align-items: flex-start; }
.message.user { flex-direction: row-reverse; }
.avatar {
  flex: 0 0 42px; padding: 6px; text-align: center;
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--panel2); font-size: 11px;
}
.bubble {
  flex: 1; min-width: 0; border: 1px solid var(--border);
  border-radius: 4px 14px 14px; background: var(--panel);
  padding: 13px 16px; white-space: pre-wrap; overflow-wrap: anywhere;
}
.message.user .bubble { background: #332a18; border-color: #76602a; }
.message.error .bubble { border-color: #8c4935; }
.composer-wrap { width: 100%; max-width: 900px; margin: 0 auto; padding: 0 20px 16px; }
.composer { border: 1px solid var(--border); background: var(--panel); border-radius: 15px; padding: 12px; }
textarea {
  display: block; width: 100%; resize: vertical; min-height: 48px; max-height: 180px;
  background: transparent; color: var(--text); border: 0; outline: none; padding: 8px;
}
.composer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; }
#send { background: var(--honey); color: #211a0d; font-weight: 800; }
.disclaimer { color: var(--muted); text-align: center; font-size: 11px; }
@media(max-width: 720px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--border); padding: 12px; }
  .side-label, .side-chip, .model-label, #model-select, .sidebar-note { display: none; }
  .temperature { margin-top: 0; padding: 8px 12px; }
  .temperature strong { font-size: 18px; }
  .quota-box { display: none; }
  .topbar { padding: 0 14px; }
  .conversation { padding-top: 20px; }
  .suggestions { grid-template-columns: 1fr; }
  .composer-wrap { padding: 0 10px 10px; }
}