:root {
  --bg: #0f1115;
  --panel: #161a22;
  --panel-2: #1c212c;
  --border: #2a2f3a;
  --text: #e6e8ee;
  --muted: #8a93a6;
  --accent: #6ea8ff;
  --pos: #4ade80;
  --neg: #f87171;
  --shadow: 0 1px 0 rgba(255,255,255,0.04), 0 8px 24px rgba(0,0,0,0.35);
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.topbar .brand a { color: var(--text); font-weight: 600; letter-spacing: 0.3px; }
.topbar nav { display: flex; gap: 16px; align-items: center; }
.topbar nav a { color: var(--muted); }
.topbar nav a:hover { color: var(--text); }

main { padding: 20px; max-width: 1400px; margin: 0 auto; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.span-2 { grid-column: span 2; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
  gap: 12px;
}
.card h2 { margin: 0; font-size: 16px; font-weight: 600; }

.muted { color: var(--muted); }
.small { font-size: 12px; }

button, .linkish {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  font: inherit;
  cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.ghost { background: transparent; }
.linkish { background: none; border: none; color: var(--muted); padding: 0; }
.linkish:hover { color: var(--text); text-decoration: underline; }
form.inline { display: inline; }

table { width: 100%; border-collapse: collapse; }
table th, table td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
table th { color: var(--muted); font-weight: 500; font-size: 12px; }
table .num { text-align: right; font-variant-numeric: tabular-nums; }
.pos { color: var(--pos); }
.neg { color: var(--neg); }
.totals { font-weight: 600; }

.chat-log {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  height: 320px;
  overflow-y: auto;
  margin-bottom: 10px;
}
.msg { padding: 6px 0; border-bottom: 1px dashed var(--border); }
.msg:last-child { border-bottom: none; }
.msg .role { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.msg-user .content { color: var(--text); }
.msg-assistant .content { color: #cdd5e3; white-space: pre-wrap; }

.chat-form { display: flex; gap: 8px; align-items: center; }
.chat-form input[type=text] {
  flex: 1;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px;
}

.htmx-indicator { color: var(--muted); margin-left: 8px; display: none; }
.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator { display: inline; }

.md {
  color: #d8dde8;
  font-size: 14px;
  line-height: 1.55;
}
.md h1, .md h2, .md h3, .md h4 {
  color: #fff;
  margin: 1.2em 0 0.4em;
  line-height: 1.3;
}
.md h1 { font-size: 1.4em; }
.md h2 { font-size: 1.2em; border-bottom: 1px solid var(--border); padding-bottom: 0.2em; }
.md h3 { font-size: 1.05em; }
.md h4 { font-size: 1em; color: #b8bfd0; }
.md > :first-child { margin-top: 0; }
.md p { margin: 0.5em 0; }
.md ul, .md ol { margin: 0.5em 0; padding-left: 1.4em; }
.md li { margin: 0.15em 0; }
.md a { color: #7ab7ff; text-decoration: none; }
.md a:hover { text-decoration: underline; }
.md strong { color: #fff; }
.md code {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font: 12px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
}
.md pre {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  overflow-x: auto;
  font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
}
.md blockquote {
  border-left: 3px solid var(--border);
  margin: 0.5em 0;
  padding: 0.2em 0.8em;
  color: #b8bfd0;
}

.login-card {
  max-width: 360px; margin: 80px auto;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px; box-shadow: var(--shadow);
}
.login-card h1 { margin-top: 0; font-size: 20px; }
.login-card form { display: grid; gap: 12px; margin-top: 12px; }
.login-card label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
.login-card input { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; }
.login-card button { margin-top: 4px; }
.error { color: var(--neg); }

.prefs-form textarea {
  width: 100%;
  box-sizing: border-box;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  resize: vertical;
  min-height: 84px;
}
.prefs-row {
  display: flex; align-items: center; gap: 12px;
  margin-top: 8px;
}

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: span 1; }
}