:root {
  color-scheme: dark;
  --bg: #070b18;
  --panel: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
  --text: #e9ecff;
  --muted: rgba(233, 236, 255, 0.72);
  --accent: #a8b5ff;
  --accent-2: #7ef2c9;
  --danger: #ff6b8a;
  --shadow: rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 800px at 20% 10%, rgba(168, 181, 255, 0.16), transparent 60%),
    radial-gradient(1200px 800px at 90% 40%, rgba(126, 242, 201, 0.08), transparent 55%),
    var(--bg);
  color: var(--text);
}

.layout {
  width: min(1100px, 92vw);
  margin: 40px auto;
  display: grid;
  gap: 18px;
}

header {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  justify-content: space-between;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 18px;
  padding: 20px 22px;
  box-shadow: 0 12px 40px var(--shadow);
}

.eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 10px 0 6px;
  font-size: 26px;
}

.subtext {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.subtext code {
  color: var(--accent);
}

.status {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.18);
  min-width: 180px;
  text-align: center;
}

.status.ok {
  color: var(--accent-2);
  border-color: rgba(126, 242, 201, 0.38);
}

.chat-log {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 18px;
  padding: 18px;
  min-height: 360px;
  max-height: 56vh;
  overflow: auto;
  box-shadow: 0 12px 40px var(--shadow);
}

.message {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 12px 14px;
  margin-bottom: 12px;
  background: rgba(0, 0, 0, 0.18);
}

.message.user {
  border-color: rgba(168, 181, 255, 0.35);
}

.message.assistant {
  border-color: rgba(126, 242, 201, 0.25);
}

.message.pending {
  opacity: 0.7;
}

.message header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: none;
  background: transparent;
  padding: 0;
  box-shadow: none;
  margin-bottom: 8px;
}

.message-headline {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.message-role {
  font-weight: 650;
}

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

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

.message-body {
  margin: 0;
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13px;
  line-height: 1.5;
}

.field {
  display: grid;
  gap: 8px;
}

.field-label {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  padding: 12px 12px;
  resize: vertical;
  outline: none;
}

textarea:focus {
  border-color: rgba(168, 181, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(168, 181, 255, 0.18);
}

.controls {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
}

.toggle {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}

button {
  border: 1px solid rgba(168, 181, 255, 0.45);
  background: rgba(168, 181, 255, 0.15);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
}

button:hover {
  background: rgba(168, 181, 255, 0.22);
}