/* AImobile — minimal mobile-first dark theme. */

:root {
  --bg: #0d1117;
  --bg-elev: #161b22;
  --bg-elev-2: #21262d;
  --fg: #e6edf3;
  --fg-dim: #8b949e;
  --accent: #2f81f7;
  --accent-hover: #1f6feb;
  --warn: #d29922;
  --danger: #f85149;
  --ok: #3fb950;
  --border: #30363d;
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "SF Pro Text", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.45;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: contain;
}

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
}
.topbar h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.pill {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 500;
}
.pill-online { background: rgba(63, 185, 80, 0.15); color: var(--ok); border: 1px solid rgba(63, 185, 80, 0.3); }
.pill-offline { background: rgba(139, 148, 158, 0.15); color: var(--fg-dim); border: 1px solid var(--border); }
.pill-error { background: rgba(248, 81, 73, 0.15); color: var(--danger); border: 1px solid rgba(248, 81, 73, 0.3); }

#app {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px;
}

.view { display: block; }
.view.hidden, .tab-pane.hidden { display: none; }

h2 { font-size: 17px; margin: 6px 0 12px; font-weight: 600; }
p { margin: 8px 0; }
.muted { color: var(--fg-dim); font-size: 13px; }
.msg { font-size: 13px; margin: 8px 0; min-height: 18px; }
.msg.error { color: var(--danger); }
.msg.ok { color: var(--ok); }

label {
  display: block;
  font-size: 12px;
  color: var(--fg-dim);
  margin: 12px 0 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input[type="text"], textarea {
  width: 100%;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 10px 12px;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 14px;
  resize: vertical;
}
textarea[readonly] {
  background: var(--bg-elev-2);
  word-break: break-all;
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 12px;
}

button {
  display: inline-block;
  border: none;
  border-radius: var(--radius);
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  margin: 8px 6px 8px 0;
  background: var(--bg-elev-2);
  color: var(--fg);
}
button:hover { background: var(--border); }
button:active { opacity: 0.8; }
button.primary { background: var(--accent); color: white; }
button.primary:hover { background: var(--accent-hover); }
button.small { font-size: 12px; padding: 6px 12px; }
button.danger { background: rgba(248, 81, 73, 0.15); color: var(--danger); border: 1px solid rgba(248, 81, 73, 0.3); }
button.danger:hover { background: rgba(248, 81, 73, 0.25); }
button.warning { background: rgba(210, 153, 34, 0.15); color: var(--warn); border: 1px solid rgba(210, 153, 34, 0.3); }
button.warning:hover { background: rgba(210, 153, 34, 0.25); }

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}
.tab {
  background: transparent;
  border-radius: 0;
  padding: 10px 16px;
  margin: 0;
  color: var(--fg-dim);
  font-weight: 500;
  border-bottom: 2px solid transparent;
}
.tab.active {
  color: var(--fg);
  border-bottom-color: var(--accent);
}

.session-list { list-style: none; padding: 0; margin: 0; }
.session-list li {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: background 0.1s;
}
.session-list li:hover { background: var(--bg-elev-2); }
.session-list .row1 {
  display: flex; align-items: center; gap: 8px;
  font-weight: 500;
  margin-bottom: 4px;
}
.session-list .project { color: var(--accent); font-family: ui-monospace, monospace; font-size: 13px; }
.session-list .ts { color: var(--fg-dim); font-size: 11px; margin-left: auto; }
.session-list .badge {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 999px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.session-list .badge-waiting { background: rgba(210, 153, 34, 0.2); color: var(--warn); }
.session-list .badge-running { background: rgba(63, 185, 80, 0.15); color: var(--ok); }
.session-list .preview {
  color: var(--fg-dim);
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.thread { list-style: none; padding: 0; }
.thread li {
  padding: 10px 12px;
  border-radius: var(--radius);
  margin: 6px 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  font-size: 14px;
  white-space: pre-wrap;
  word-break: break-word;
}
.thread li.role-user { background: rgba(47, 129, 247, 0.08); border-color: rgba(47, 129, 247, 0.2); }
.thread li.role-assistant { background: var(--bg-elev); }
.thread .role-tag {
  font-size: 11px;
  color: var(--fg-dim);
  display: block;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.composer {
  position: sticky; bottom: 0;
  background: var(--bg);
  padding-top: 10px;
  border-top: 1px solid var(--border);
  margin-top: 16px;
}
.composer textarea { margin-bottom: 8px; }

code {
  background: var(--bg-elev-2);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
}