:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2f81f7;
  --danger: #f85149;
  --ok: #3fb950;
  --user-bubble: #1f6feb;
  --assistant-bubble: #21262d;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); font-size: 14px; }

#app { height: 100%; display: flex; flex-direction: column; }

.view { flex: 1; display: flex; flex-direction: column; min-height: 0; }

/* Pairing */
.pair-box {
  margin: auto;
  width: min(90vw, 360px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px;
}
.pair-box h1 { margin: 0; text-align: center; }
.pair-box input {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 12px;
  font-size: 16px;
  outline: none;
}
.pair-box input:focus { border-color: var(--accent); }
.pair-box input[type="checkbox"] { width: auto; accent-color: var(--accent); }
.connection-status { padding: 8px 12px; font-size: 13px; color: var(--muted); border-bottom: 1px solid var(--border); }
.connection-status.error { color: var(--danger); }

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.topbar .title {
  flex: 1;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.icon-btn {
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 20px;
  padding: 4px 10px;
  cursor: pointer;
}

/* Panels */
.panel { flex: 1; overflow-y: auto; padding: 8px; }
.list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.list li {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
}
.list li .name { font-weight: 600; margin-bottom: 3px; word-break: break-word; }
.list li .sub { font-size: 13px; color: var(--muted); word-break: break-all; }
.list li:active { background: #1c2128; }

.ghost {
  margin: 10px auto;
  display: block;
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--muted);
  border-radius: 10px;
  padding: 10px;
  width: 100%;
  cursor: pointer;
}

/* Chat */
.chat { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 88%; padding: 10px 14px; border-radius: 14px; white-space: pre-wrap; word-break: break-word; line-height: 1.5; font-size: 15px; }
.msg.user { align-self: flex-end; background: var(--user-bubble); }
.msg.assistant { align-self: flex-start; background: var(--assistant-bubble); }
.msg.tool { align-self: flex-start; background: #1a1f27; color: var(--muted); font-family: monospace; font-size: 12.5px; border: 1px solid var(--border); }
.msg.error { align-self: flex-start; background: #2d1518; color: #ffb3ad; }

/* Approval banner */
.approval {
  background: #3a2410;
  border: 1px solid #b7813a;
  border-radius: 10px;
  padding: 10px 12px;
  margin: 8px 12px;
  font-size: 14px;
}
.approval .cmd { font-family: monospace; word-break: break-all; margin: 4px 0; }
.approval .actions { display: flex; gap: 8px; margin-top: 8px; }
.approval button { flex: 1; }

/* Composer */
.composer {
  display: flex;
  gap: 8px;
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  background: var(--panel);
  align-items: flex-end;
}
.composer textarea {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 16px;
  resize: none;
  max-height: 140px;
  outline: none;
  font-family: inherit;
}
.composer textarea:focus { border-color: var(--accent); }

button.primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 15px;
  cursor: pointer;
}
button.danger { background: var(--danger); color: #fff; border: none; border-radius: 10px; padding: 10px; cursor: pointer; }
button.ok { background: var(--ok); color: #fff; border: none; border-radius: 10px; padding: 10px; cursor: pointer; }
button:disabled { opacity: 0.5; }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  width: min(90vw, 400px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.modal-box input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 15px;
  outline: none;
}
.modal-box h3 { margin: 0; }
.modal-box .actions { display: flex; gap: 8px; justify-content: flex-end; }
.modal-box .actions button { padding: 8px 14px; }
button.plain { background: var(--panel); border: 1px solid var(--border); color: var(--text); border-radius: 10px; padding: 8px 14px; cursor: pointer; }

.status-pill { font-size: 12px; color: var(--muted); }
.status-pill.running { color: var(--ok); }