:root {
  color-scheme: light;
  --bg: #f5f6f1;
  --panel: #ffffff;
  --ink: #1d2528;
  --muted: #657174;
  --line: #d9ded8;
  --accent: #245b5f;
  --accent-2: #8a4b33;
  --warn: #b42318;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}
button, input, textarea { font: inherit; }
button {
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: white;
  padding: 0.75rem 1rem;
  cursor: pointer;
}
button.secondary { background: #e7ebe7; color: var(--ink); }
.shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-panel {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
}
.auth-panel h1 { margin: 0 0 20px; }
.tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 16px; }
.tabs button { background: #e7ebe7; color: var(--ink); }
.tabs button.active { background: var(--accent); color: white; }
form { display: grid; gap: 12px; }
input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.75rem;
  background: white;
  color: var(--ink);
}
.error { color: var(--warn); min-height: 1.25rem; margin: 0; }
.chat-app {
  width: min(1180px, 100%);
  height: min(820px, calc(100vh - 48px));
  display: grid;
  grid-template-columns: 300px 1fr;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.sidebar {
  border-right: 1px solid var(--line);
  padding: 20px;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto auto;
  gap: 18px;
  min-width: 0;
}
.sidebar h2, .conversation h1 { margin: 0; }
.sidebar p, #modelStatus { color: var(--muted); margin: 4px 0 0; }
.crisis-panel {
  border-left: 4px solid var(--warn);
  background: #fff0ee;
  padding: 12px;
  display: grid;
  gap: 4px;
}
.memory-box {
  min-height: 0;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.memory-box h3 { margin: 0 0 8px; font-size: 0.95rem; }
.admin-panel {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  display: grid;
  gap: 10px;
  min-width: 0;
}
.admin-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.admin-panel h3 { margin: 0; font-size: 0.95rem; }
.admin-panel button { padding: 0.45rem 0.7rem; }
.admin-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  max-height: 150px;
  overflow: auto;
}
.admin-panel li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 0.85rem;
}
.admin-panel code {
  overflow-wrap: anywhere;
  color: var(--ink);
}
.admin-panel .unused { color: var(--accent); }
.admin-panel .used { color: var(--muted); }
pre {
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--muted);
  margin: 0;
  font-family: inherit;
  font-size: 0.9rem;
}
.conversation { display: grid; grid-template-rows: auto 1fr auto; min-width: 0; }
.conversation header {
  padding: 20px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.messages {
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.message {
  max-width: 78%;
  padding: 12px 14px;
  border-radius: 8px;
  line-height: 1.45;
  white-space: pre-wrap;
}
.message.user { align-self: flex-end; background: var(--accent); color: white; }
.message.assistant { align-self: flex-start; background: #edf1ec; color: var(--ink); }
.message.flagged { outline: 2px solid var(--warn); }
.composer {
  border-top: 1px solid var(--line);
  padding: 16px;
  grid-template-columns: 1fr auto;
  align-items: end;
}
.composer textarea { resize: vertical; min-height: 72px; max-height: 180px; }

@media (max-width: 760px) {
  .shell { padding: 0; place-items: stretch; }
  .chat-app {
    height: 100vh;
    border: 0;
    border-radius: 0;
    grid-template-columns: 1fr;
  }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); grid-template-rows: auto auto auto auto; }
  .memory-box { max-height: 140px; overflow: auto; }
  .message { max-width: 92%; }
  .composer { grid-template-columns: 1fr; }
}