* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #0a0a0a;
  color: #e0e0e0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  flex: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid #1a1a1a;
  background: #0d0d0d;
  flex-shrink: 0;
}

header a {
  color: #555;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s;
}
header a:hover { color: #aaa; }

header h1 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ddd;
}

.badge {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.2rem 0.6rem;
  border-radius: 10px;
  background: #1a1a1a;
  color: #555;
}

.badge.loading {
  background: #332b00;
  color: #eab308;
}

.stats {
  margin-left: auto;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.72rem;
  color: #444;
}

.chat {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.msg {
  max-width: 85%;
  padding: 0.7rem 1rem;
  border-radius: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  font-size: 0.9rem;
  word-wrap: break-word;
}

.msg.user {
  background: #1a2a3e;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
  color: #ddd;
}

.msg.ai {
  background: #151515;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  color: #bbb;
}

.input-wrap {
  border-top: 1px solid #1a1a1a;
  padding: 0.75rem 1.25rem;
  background: #0d0d0d;
  flex-shrink: 0;
}

.input-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  gap: 0.5rem;
}

.input-inner input {
  flex: 1;
  background: #141414;
  border: 1px solid #222;
  color: #ddd;
  padding: 0.65rem 0.9rem;
  border-radius: 8px;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s;
}

.input-inner input:focus {
  border-color: #10b98144;
}

.input-inner input:disabled {
  opacity: 0.4;
}

.input-inner button {
  background: #10b981;
  color: #000;
  border: none;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.input-inner button:hover {
  background: #34d399;
}

.input-inner button:disabled {
  background: #1a1a1a;
  color: #333;
  cursor: default;
}

.log {
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 0.63rem;
  color: #2a2a2a;
  background: #0d0d0d;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  max-height: 100px;
  overflow-y: auto;
  white-space: pre-wrap;
  border: 1px solid #151515;
  margin: 0 1.25rem 0.5rem;
  flex-shrink: 0;
}

footer {
  text-align: center;
  padding: 0.5rem;
  font-size: 0.65rem;
  color: #222;
  flex-shrink: 0;
}
footer a { color: #333; text-decoration: none; }