:root {
  --bg: #0d1017;
  --bg-2: #151a23;
  --bg-3: #1c2330;
  --border: #283142;
  --text: #e6edf3;
  --muted: #8b97a7;
  --accent: #4c8dff;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f85149;
  --idle: #6e7b8f;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }

/* Login */
.login { display: flex; align-items: center; justify-content: center; height: 100vh; padding: 16px; }
.login-card {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 14px;
  padding: 28px; width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 12px;
}
.login-card h1 { margin: 0; font-size: 24px; letter-spacing: 0.5px; }
.login-card input, .composer input, .composer textarea, .composer select {
  background: var(--bg-3); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 10px 12px; font-size: 14px; outline: none;
}
.login-card input:focus { border-color: var(--accent); }
.login-card button, .composer button, .mini {
  background: var(--accent); color: #fff; border: none; border-radius: 8px;
  padding: 10px 14px; font-size: 14px; font-weight: 600; cursor: pointer;
}
.login-card button:hover { filter: brightness(1.08); }
.login-msg { min-height: 18px; margin: 0; font-size: 13px; color: var(--warn); }
.login-msg.err { color: var(--err); }

/* Top bar */
.app { height: 100vh; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; gap: 14px; padding: 10px 16px;
  border-bottom: 1px solid var(--border); background: var(--bg-2);
}
.brand { font-weight: 700; letter-spacing: 0.5px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }

/* Chips */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 999px;
  padding: 4px 10px; font-size: 12px; color: var(--muted); white-space: nowrap;
}
.chip .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--idle); }
.chip.ok .dot { background: var(--ok); }
.chip.warn .dot { background: var(--warn); }
.chip.err .dot { background: var(--err); }
.chip.run .dot { background: var(--accent); animation: pulse 1.1s infinite; }
.chip b { color: var(--text); font-weight: 600; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

/* Layout */
.layout { flex: 1; display: flex; min-height: 0; }
.sidebar {
  width: 280px; border-right: 1px solid var(--border); background: var(--bg-2);
  padding: 12px; overflow-y: auto; display: flex; flex-direction: column; gap: 12px;
}
.panel { background: var(--bg); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px;
  color: var(--muted); border-bottom: 1px solid var(--border);
}
.mini { padding: 0 8px; line-height: 20px; height: 22px; font-size: 16px; }
.list { list-style: none; margin: 0; padding: 6px; display: flex; flex-direction: column; gap: 2px; }
.list li {
  padding: 7px 10px; border-radius: 7px; cursor: pointer; color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.list li:hover { background: var(--bg-3); }
.list li.active { background: var(--bg-3); outline: 1px solid var(--accent); }
.list li::before { content: "›"; color: var(--muted); }
.list .empty { color: var(--muted); cursor: default; }
.list .empty::before { content: ""; }

/* Agent cards */
.agent-cards { padding: 8px; display: flex; flex-direction: column; gap: 8px; }
.agent-card { background: var(--bg-3); border: 1px solid var(--border); border-radius: 9px; padding: 10px; }
.agent-card .ac-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.agent-card .ac-name { font-weight: 600; }
.agent-card .ac-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.agent-card.off { opacity: 0.55; }

/* Main / output */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.output { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 90%; border-radius: 10px; padding: 9px 12px; white-space: pre-wrap; word-break: break-word; border: 1px solid var(--border); }
.msg .who { font-size: 11px; color: var(--muted); margin-bottom: 3px; text-transform: uppercase; letter-spacing: 0.5px; }
.msg .cost { font-size: 11px; color: var(--muted); margin-top: 6px; opacity: 0.8; }
.msg .cost:empty { display: none; }
.msg.user { align-self: flex-end; background: #1b2c4a; border-color: #2a4575; }
.msg.agent { align-self: flex-start; background: var(--bg-2); }
.msg.system { align-self: center; background: transparent; border: none; color: var(--muted); font-size: 12px; max-width: 100%; text-align: center; }
.msg.error { align-self: flex-start; background: #3a1d1d; border-color: #5c2a2a; color: #ffb4ad; }
/* Compact, tight log lines for the login/connect flow. */
.msg.login {
  align-self: stretch; max-width: 100%; text-align: left;
  background: transparent; border: none; color: var(--muted);
  font-size: 12px; line-height: 1.4; padding: 0; margin: -4px 0;
}
.msg.login a { color: var(--accent); }
.msg.login code { color: var(--text); background: var(--bg-3); padding: 1px 5px; border-radius: 4px; font-size: 12px; }

/* Composer */
.composer { border-top: 1px solid var(--border); background: var(--bg-2); padding: 10px 12px; display: flex; flex-direction: column; gap: 8px; }
.composer-row { display: flex; gap: 8px; align-items: center; }
.composer textarea { flex: 1; resize: vertical; min-height: 40px; font-family: inherit; }
.composer #send { align-self: stretch; }
.badge { font-size: 12px; color: var(--muted); border: 1px dashed var(--border); border-radius: 6px; padding: 4px 8px; }
.badge.set { color: var(--text); border-style: solid; }

/* Auto-route pill: shows the agent/model the orchestrator chose for this thread. */
.pill {
  display: inline-flex; align-items: center; font-size: 12px; white-space: nowrap;
  color: var(--muted); background: var(--bg-3); border: 1px solid var(--border);
  border-radius: 999px; padding: 4px 12px;
}
.pill.set { color: var(--text); border-color: var(--accent); }
.mini.ghost {
  background: transparent; color: var(--muted); border: 1px solid var(--border);
  font-size: 12px; font-weight: 500; height: auto; line-height: 1.4; padding: 4px 10px;
  margin-left: auto; align-self: center;
}
.mini.ghost:hover { color: var(--text); border-color: var(--accent); }

/* Modal (API key paste) */
.modal-overlay {
  position: fixed; inset: 0; z-index: 50; padding: 16px;
  background: rgba(0, 0, 0, 0.6);
  display: flex; align-items: center; justify-content: center;
}
.modal {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 14px;
  padding: 22px; width: 100%; max-width: 420px;
  display: flex; flex-direction: column; gap: 12px;
}
.modal h2 { margin: 0; font-size: 18px; }
.modal p { margin: 0; font-size: 13px; }
.modal p a { color: var(--accent); }
.modal input {
  background: var(--bg-3); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 10px 12px; font-size: 14px; outline: none;
}
.modal input:focus { border-color: var(--accent); }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }

@media (max-width: 720px) {
  .sidebar { position: absolute; z-index: 5; height: calc(100vh - 49px); transform: translateX(-100%); transition: transform 0.2s; }
  .sidebar.open { transform: none; }
}