:root {
  --bg: #0f1410;
  --panel: #17201a;
  --panel-2: #1e2a22;
  --border: #2d3d32;
  --text: #e8f0ea;
  --muted: #8fa396;
  --accent: #6bcf8e;
  --accent-2: #c9a84c;
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #1a2e22 0%, var(--bg) 55%);
  color: var(--text);
}
.app { max-width: 1200px; margin: 0 auto; min-height: 100%; padding: 16px; }
.top {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; margin-bottom: 16px; flex-wrap: wrap;
}
.brand { display: flex; gap: 12px; align-items: center; }
.brand strong { display: block; }
.logo {
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(145deg, var(--accent), #2f6b4a);
  color: #06210f; font-weight: 700;
}
.muted { color: var(--muted); font-size: 0.85rem; }
.auth-form { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.auth-form input {
  width: 100%; padding: 8px 10px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  font: inherit;
}
.auth-form input:focus { outline: 1px solid var(--accent); }
.lang-switch { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; }
.lang-switch select {
  background: var(--panel); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 4px 6px; font: inherit;
}
.top-actions { display: flex; gap: 8px; align-items: center; }
.stage-pill {
  font-size: 0.72rem; letter-spacing: 0.04em;
  padding: 6px 10px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--panel); color: var(--accent);
}
.layout {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px;
  min-height: calc(100vh - 100px);
}
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }
.chat-panel, .card {
  background: color-mix(in srgb, var(--panel) 92%, black);
  border: 1px solid var(--border); border-radius: var(--radius);
}
.chat-panel { display: flex; flex-direction: column; min-height: 70vh; overflow: hidden; }
.progress { height: 4px; background: var(--panel-2); }
.progress-bar {
  height: 100%; width: 5%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.35s ease;
}
.messages {
  flex: 1; overflow-y: auto; padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
}
.msg {
  max-width: 90%; padding: 12px 14px; border-radius: 16px;
  line-height: 1.45; white-space: pre-wrap; word-break: break-word;
}
.msg.assistant {
  align-self: flex-start; background: var(--panel-2); border: 1px solid var(--border);
}
.msg.user {
  align-self: flex-end; background: #243d2d; border: 1px solid #355744;
}
.msg .who { display: block; font-size: 0.72rem; color: var(--muted); margin-bottom: 4px; }
.msg strong { color: var(--accent); font-weight: 600; }
.composer {
  display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--border);
}
.composer input {
  flex: 1; border-radius: 12px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); padding: 12px 14px; font: inherit;
}
.composer input:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 50%, transparent);
}
.btn {
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  border-radius: 12px; padding: 10px 14px; font: inherit; cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn.primary {
  background: linear-gradient(145deg, #3d9b63, #2a6b46);
  border-color: #3d9b63; color: #f3fff7; font-weight: 600;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.hint { padding: 0 12px 12px; margin: 0; }
.side { display: flex; flex-direction: column; gap: 12px; }
.card { padding: 14px; }
.card h2 {
  margin: 0 0 10px; font-size: 0.85rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--muted); font-weight: 600;
}
.companion-row { display: flex; gap: 12px; align-items: center; }
.avatar {
  width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center;
  background: #2a4033; border: 2px solid var(--accent); font-weight: 700;
}
.companion-name { font-size: 1.1rem; font-weight: 600; }
.profile-body { line-height: 1.4; font-size: 0.92rem; }
.profile-body ul { margin: 6px 0 0; padding-left: 18px; }
.proposals { display: flex; flex-direction: column; gap: 10px; }
.proposal {
  border: 1px solid var(--border); border-radius: 12px; padding: 12px;
  background: var(--panel-2); cursor: pointer; transition: border-color 0.15s, transform 0.15s;
}
.proposal:hover { border-color: var(--accent); transform: translateY(-1px); }
.proposal.selected { border-color: var(--accent-2); box-shadow: 0 0 0 1px var(--accent-2); }
.proposal .id { font-size: 0.7rem; color: var(--accent-2); font-weight: 700; }
.proposal h3 { margin: 4px 0; font-size: 1rem; }
.proposal p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.proposal .meta {
  display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px;
  font-size: 0.75rem; color: var(--muted);
}
.proposal .meta span {
  border: 1px solid var(--border); border-radius: 999px; padding: 2px 8px;
}
#planEditor {
  width: 100%; border-radius: 12px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); padding: 10px;
  font: 0.82rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  resize: vertical;
}
.row { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.evolve-card ul, #evolveList { margin: 0; padding-left: 18px; }
#evolveList li { margin-bottom: 8px; }
.hidden { display: none !important; }
.busy { opacity: 0.7; pointer-events: none; }
.handoff-body { font-size: 0.88rem; }
.handoff-list { list-style: none; margin: 0; padding: 0; }
.handoff-list li {
  display: flex; gap: 0.5rem; align-items: flex-start;
  margin-bottom: 0.4rem; line-height: 1.35;
}
.handoff-list .mark { font-weight: 700; min-width: 1rem; }
.handoff-list .ok { color: var(--accent); }
.handoff-list .todo { color: var(--accent-2); }
.handoff-list .block { color: #e07070; }
.handoff-list code { font-size: 0.78rem; color: var(--accent); word-break: break-all; }
a.btn {
  display: inline-flex; align-items: center; text-decoration: none;
  color: inherit;
}