:root {
  --bg: #0b1020;
  --bg-soft: #0f1730;
  --panel: #131d39;
  --panel-2: #1b2850;
  --text: #ebf0ff;
  --muted: #9ba8d8;
  --accent: #6ea8ff;
  --accent-2: #8cf0d1;
  --border: #273562;
  --danger: #ff8f8f;
  --ok: #7fe2b7;
  --code-bg: #0a1023;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  color: var(--text);
  font-family: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 20% 0%, #1f2f65 0, var(--bg) 40%, var(--bg) 100%);
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 0.9em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px;
  backdrop-filter: blur(10px);
  background: rgba(11, 16, 32, 0.78);
  border-bottom: 1px solid var(--border);
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--accent-2);
  background: var(--panel-2);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.top-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.top-links a {
  color: var(--muted);
  font-size: 0.9rem;
}

.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(320px, 38%) minmax(420px, 62%);
}

.panel {
  background: linear-gradient(180deg, rgba(19, 29, 57, 0.96), rgba(19, 29, 57, 0.84));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}

.panel h2 {
  margin: 0;
  font-size: 1.15rem;
}

.panel h3 {
  margin: 16px 0 8px;
  font-size: 0.98rem;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 0.86rem;
}

.label {
  display: block;
  margin: 10px 0 6px;
  color: var(--muted);
  font-size: 0.85rem;
}

input, textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font: inherit;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(110, 168, 255, 0.22);
}

textarea {
  resize: vertical;
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 9px 14px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
}

.btn.primary {
  background: var(--accent);
  color: #071024;
}

.btn.primary:hover {
  background: #8dbdff;
}

.btn.ghost {
  border-color: var(--border);
  color: var(--text);
  background: transparent;
}

.btn.ghost:hover {
  background: rgba(255, 255, 255, 0.04);
}

.btn:disabled {
  cursor: progress;
  opacity: 0.66;
}

.chat {
  display: flex;
  flex-direction: column;
  min-height: 650px;
}

.chat-log {
  margin-top: 12px;
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(10, 16, 35, 0.58);
  padding: 14px;
  overflow: auto;
  min-height: 420px;
}

.msg {
  margin-bottom: 12px;
  max-width: 92%;
}

.msg-role {
  text-transform: lowercase;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
  color: var(--muted);
}

.msg-content {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  white-space: pre-wrap;
  line-height: 1.45;
}

.msg.user {
  margin-left: auto;
}

.msg.user .msg-content {
  background: #1c2f63;
}

.msg.assistant .msg-content {
  background: #122039;
}

.composer {
  margin-top: 12px;
  display: flex;
  gap: 10px;
}

.composer input {
  flex: 1;
}

.loading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  margin: 10px 0 2px;
  font-size: 0.9rem;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent-2);
  animation: bounce 1.2s infinite ease-in-out;
}

.dot:nth-child(2) { animation-delay: 0.16s; }
.dot:nth-child(3) { animation-delay: 0.32s; }

@keyframes bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

.hidden {
  display: none;
}

.output {
  margin-top: 10px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  white-space: pre-wrap;
  word-break: break-word;
  overflow: auto;
  color: #d9e1ff;
  font: 0.82rem/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.output.compact {
  max-height: 140px;
}

.mcp {
  max-width: 1280px;
  margin: 0 auto 20px;
}

.mcp-snippet {
  max-height: none;
}

footer {
  max-width: 1280px;
  margin: 0 auto 30px;
  padding: 8px 24px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

@media (max-width: 1040px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .chat {
    min-height: 480px;
  }

  .chat-log {
    min-height: 300px;
  }
}