:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #e2e5ea;
  --text: #16181d;
  --muted: #6b7280;
  --accent: #2f5fe0;
  --accent-soft: #eaf0ff;
  --code-bg: #0f1420;
  --code-text: #d7e0f4;
  --ok: #18a05a;
  --warn: #c2820a;
  --err: #cc3344;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11131a;
    --panel: #181b23;
    --border: #272b36;
    --text: #e8eaf0;
    --muted: #99a1b3;
    --accent: #6f93f5;
    --accent-soft: #1d2640;
    --code-bg: #0b0e16;
    --code-text: #cfd9f2;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 16px; margin: 0; font-weight: 650; }

.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.dot.ok { background: var(--ok); }
.dot.err { background: var(--err); }

.meta {
  font-size: 12px; color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.layout {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
  max-width: 1040px;
  width: 100%;
  margin: 0 auto;
  padding: 0 16px;
}

.chat {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 18px 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.msg { display: flex; }
.msg.user { justify-content: flex-end; }

.bubble {
  max-width: 88%;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.msg.user .bubble { background: var(--accent-soft); border-color: transparent; }
.bubble p { margin: 0 0 8px; }
.bubble p:last-child { margin-bottom: 0; }
.bubble .hint { color: var(--muted); font-size: 13px; }

.samples { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.samples button {
  font: inherit; font-size: 12.5px;
  background: transparent; color: var(--accent);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 4px 11px; cursor: pointer;
}
.samples button:hover { background: var(--accent-soft); }

.stats {
  display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 0;
  font-size: 11.5px; color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.stats span { border: 1px solid var(--border); border-radius: 999px; padding: 2px 8px; }
.stats span.blocked { color: var(--err); border-color: currentColor; }
.stats span.truncated { color: var(--warn); border-color: currentColor; }

details.sql { margin-top: 10px; }
details.sql summary {
  cursor: pointer; font-size: 12.5px; color: var(--muted); font-weight: 600;
}
pre {
  margin: 8px 0 0;
  background: var(--code-bg); color: var(--code-text);
  padding: 11px 13px; border-radius: 8px;
  overflow-x: auto; font-size: 12.5px; line-height: 1.5;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.table-wrap { overflow-x: auto; margin-top: 10px; max-height: 320px; overflow-y: auto; }
table { border-collapse: collapse; font-size: 12.5px; width: 100%; }
th, td {
  border-bottom: 1px solid var(--border);
  padding: 5px 9px; text-align: left; white-space: nowrap;
}
th { position: sticky; top: 0; background: var(--panel); font-weight: 600; }

.download {
  display: inline-block; margin-top: 10px;
  background: var(--accent); color: #fff; text-decoration: none;
  padding: 7px 14px; border-radius: 8px; font-size: 13px; font-weight: 600;
}

.composer {
  flex: 0 0 auto;
  display: flex; gap: 10px; align-items: flex-end;
  padding: 12px 0 18px;
  border-top: 1px solid var(--border);
}
textarea {
  flex: 1 1 auto; resize: vertical; min-height: 44px;
  font: inherit; color: var(--text);
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 11px 12px;
}
textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

button[type="submit"] {
  font: inherit; font-weight: 600;
  background: var(--accent); color: #fff;
  border: 0; border-radius: var(--radius);
  padding: 12px 20px; cursor: pointer;
}
button[type="submit"]:disabled { opacity: .55; cursor: progress; }

.spinner {
  display: inline-block; width: 11px; height: 11px;
  border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .7s linear infinite;
  vertical-align: -1px; margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }


.ghost {
  font: inherit; font-size: 12.5px;
  background: transparent; color: var(--accent);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 4px 12px; cursor: pointer;
}
.ghost:hover { background: var(--accent-soft); }

/* Правило .settings ниже задаёт display, а он перебивает атрибут hidden */
[hidden] { display: none !important; }

/* Шестерёнка в шапке, настройки LLM висят под ней и в глаза не лезут */
.gear-slot { position: relative; }
.gear {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; padding: 0;
  background: transparent; color: var(--muted);
  border: 1px solid var(--border); border-radius: 50%; cursor: pointer;
}
.gear:hover { color: var(--accent); background: var(--accent-soft); }
.gear[aria-expanded="true"] { color: var(--accent); border-color: var(--accent); }

.settings {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 10;
  width: 320px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 10px 28px rgb(0 0 0 / 18%);
}
.settings label {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 12.5px; color: var(--muted);
}
.settings input, .settings select {
  font: inherit; font-size: 13px; color: var(--text);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 10px; width: 100%; min-width: 0;
}
.settings input:focus, .settings select:focus {
  outline: 2px solid var(--accent); outline-offset: -1px;
}
.settings-actions { display: flex; gap: 8px; }
.settings-actions button {
  font: inherit; font-size: 13px; font-weight: 600;
  background: var(--accent); color: #fff;
  border: 0; border-radius: 8px; padding: 8px 16px; cursor: pointer;
}
.settings-actions .ghost {
  background: transparent; color: var(--muted);
  border: 1px solid var(--border); font-weight: 400;
}
.settings .hint { margin: 0; font-size: 12px; color: var(--muted); }

a.ghost { text-decoration: none; display: inline-block; }

.footer-row {
  display: flex; gap: 8px; align-items: center;
  padding: 0 0 16px;
}

/* страница входа */
.login {
  max-width: 320px; margin: 15vh auto; padding: 0 16px;
  display: flex; flex-direction: column; gap: 12px;
}
.login h1 { font-size: 20px; margin: 0; }
.login .hint { margin: 0; font-size: 12.5px; color: var(--muted); }
.login form { display: flex; flex-direction: column; gap: 12px; }
.login label {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 12.5px; color: var(--muted);
}
.login input {
  font: inherit; font-size: 13px; color: var(--text);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px;
}
.login input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.login button {
  font: inherit; font-size: 13px; font-weight: 600;
  background: var(--accent); color: #fff;
  border: 0; border-radius: 8px; padding: 9px 16px; cursor: pointer;
}
.login-error { margin: 0; font-size: 12.5px; color: var(--err); }