:root {
  --bg: #0f1117;
  --surface: #171a23;
  --surface-alt: #1f2430;
  --border: #2c3344;
  --text: #e6e9ef;
  --muted: #9aa3b2;
  --accent: #d4a359;
  --accent-hover: #e4b770;
  --gm-bg: #1b202c;
  --player-bg: #222b3a;
  --danger: #e06c75;
  --success: #73c991;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 1.2rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand h1 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
}

.controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.field-inline {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--muted);
}

select, input[type="text"] {
  background: var(--surface-alt);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.6rem;
  font-size: 0.85rem;
}

.btn {
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #111;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--surface-alt);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: #282e3d;
}

.btn-dice {
  background: var(--surface-alt);
  color: var(--accent);
  border-color: var(--border);
  padding: 0.25rem 0.6rem;
  font-size: 0.8rem;
}

.btn-dice:hover {
  border-color: var(--accent);
}

.status-badge {
  font-size: 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-weight: 600;
}

.status-connected {
  background: rgba(115, 201, 145, 0.15);
  color: var(--success);
}

.status-disconnected {
  background: rgba(224, 108, 117, 0.15);
  color: var(--danger);
}

.split-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  flex: 1;
  min-height: 0;
}

.pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.pane-chat {
  border-right: 1px solid var(--border);
}

.messages-feed {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.message {
  padding: 0.8rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  line-height: 1.5;
  font-size: 0.92rem;
}

.message-assistant {
  background: var(--gm-bg);
  border-left: 3px solid var(--accent);
}

.message-user {
  background: var(--player-bg);
  align-self: flex-end;
  max-width: 88%;
}

.message-error {
  background: rgba(224, 108, 117, 0.12);
  border-color: var(--danger);
  color: var(--danger);
}

.message-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.message-sender {
  font-weight: 600;
  color: var(--accent);
}

.message-body p + p {
  margin-top: 0.5rem;
}

.action-bar {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.quick-rolls {
  display: flex;
  gap: 0.45rem;
}

.input-row {
  display: flex;
  gap: 0.6rem;
}

.input-row textarea {
  flex: 1;
  resize: none;
  background: var(--surface-alt);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.55rem 0.75rem;
  font-family: inherit;
  font-size: 0.9rem;
}

.docs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.9rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  gap: 0.5rem;
}

.tabs {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.tab {
  background: transparent;
  color: var(--muted);
  border: none;
  border-radius: 6px;
  padding: 0.35rem 0.65rem;
  font-size: 0.83rem;
  cursor: pointer;
}

.tab.active {
  background: var(--surface-alt);
  color: var(--accent);
  font-weight: 600;
}

.docs-actions {
  display: flex;
  gap: 0.4rem;
}

.lore-bar {
  padding: 0.5rem 0.9rem;
  background: var(--surface-alt);
  border-bottom: 1px solid var(--border);
}

.doc-viewer {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.2rem;
  line-height: 1.55;
  font-size: 0.9rem;
}

.doc-viewer h1, .doc-viewer h2, .doc-viewer h3 {
  color: var(--accent);
  margin: 0.8rem 0 0.4rem;
}

.doc-viewer h1:first-child {
  margin-top: 0;
}

.doc-viewer ul {
  padding-left: 1.25rem;
  margin: 0.4rem 0;
}

.doc-viewer code {
  background: var(--surface-alt);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.85em;
}

.doc-editor {
  flex: 1;
  width: 100%;
  border: none;
  resize: none;
  background: #12151d;
  color: var(--text);
  padding: 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.86rem;
  line-height: 1.5;
  outline: none;
}

.hidden {
  display: none !important;
}

@media (max-width: 900px) {
  .split-layout {
    grid-template-columns: 1fr;
    grid-template-rows: 1.2fr 0.8fr;
  }
  .pane-chat {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}