:root {
  --bg: #f6f6f4;
  --panel: #ffffff;
  --text: #1c1c1a;
  --muted: #6b6b66;
  --line: #e2e1dc;
  --accent: #2f5bd3;
  --user: #e8eefc;
  --tool: #f1f0eb;
  --warn: #fff4d6;
  --warn-line: #e6c35c;
  --err: #fde8e6;
  --term-bg: #16171a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --panel: #1d1d1b;
    --text: #ecebe6;
    --muted: #9a998f;
    --line: #2f2f2c;
    --accent: #7c9cf5;
    --user: #22304f;
    --tool: #26261f;
    --warn: #3a3218;
    --warn-line: #8f7426;
    --err: #45201d;
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
}
.app { display: flex; height: 100dvh; }

.sidebar {
  width: 260px; flex-shrink: 0; background: var(--panel);
  border-right: 1px solid var(--line); display: flex; flex-direction: column;
}
.sidebar-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.task-list { list-style: none; margin: 0; padding: 6px; overflow-y: auto; flex: 1; }
.task-list li { padding: 10px 12px; border-radius: 8px; cursor: pointer; }
.task-list li:hover { background: var(--tool); }
.task-list li.active { background: var(--user); }
.task-list .t { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.task-list .s { font-size: 12px; color: var(--muted); }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.main-head { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--panel); }
.title-wrap { flex: 1; min-width: 0; }
.task-title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.task-state { font-size: 12px; color: var(--muted); }
#toggle-sidebar { display: none; }

.tabs { display: flex; gap: 4px; }
.tab { border: 1px solid var(--line); background: transparent; color: var(--text); padding: 6px 12px; border-radius: 8px; cursor: pointer; font: inherit; }
.tab.active { background: var(--text); color: var(--panel); border-color: var(--text); }

.pane { display: none; flex: 1; overflow-y: auto; }
.pane.active { display: block; }
#chat { padding: 16px; }
#term { background: var(--term-bg); padding: 8px; }
#xterm { height: 100%; }

.msg { max-width: 760px; margin: 0 auto 12px; padding: 10px 14px; border-radius: 10px; white-space: pre-wrap; word-break: break-word; }
.msg.user { background: var(--user); margin-left: auto; margin-right: 0; max-width: 85%; width: fit-content; }
.msg.assistant { background: var(--panel); border: 1px solid var(--line); }
.msg.tool { background: var(--tool); font-size: 13px; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.msg.result { background: transparent; color: var(--muted); font-size: 12px; text-align: center; padding: 4px; }
.msg.error { background: var(--err); }
.msg.approval { background: var(--warn); border: 1px solid var(--warn-line); }
.msg.approval pre { margin: 8px 0; font-size: 12px; white-space: pre-wrap; max-height: 200px; overflow: auto; }
.msg.approval .actions { display: flex; gap: 8px; }

.composer { display: flex; gap: 8px; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); background: var(--panel); }
.composer textarea { flex: 1; resize: none; border: 1px solid var(--line); border-radius: 10px; padding: 10px; font: inherit; background: var(--bg); color: var(--text); }

.btn { border: none; background: var(--accent); color: #fff; border-radius: 10px; padding: 0 16px; font: inherit; cursor: pointer; }
.btn.small { padding: 6px 10px; font-size: 13px; border-radius: 8px; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.deny { background: #b3403a; }
.btn:disabled { opacity: .5; cursor: default; }

@media (max-width: 720px) {
  .sidebar { position: fixed; inset: 0 auto 0 0; z-index: 10; transform: translateX(-100%); transition: transform .2s; width: 80%; max-width: 300px; }
  .sidebar.open { transform: none; box-shadow: 0 0 40px rgba(0,0,0,.3); }
  #toggle-sidebar { display: inline-block; }
  .main-head { padding: 8px 12px; }
  #chat { padding: 12px; }
  .composer { padding-left: 12px; padding-right: 12px; }
}

.new-options { display: none; gap: 16px; align-items: center; padding: 8px 16px 0; font-size: 13px; color: var(--muted); background: var(--panel); border-top: 1px solid var(--line); flex-wrap: wrap; }
.new-options.show { display: flex; }
.new-options select { font: inherit; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 2px 6px; }
.msg.plan, .msg.verdict, .msg.decision, .msg.done { background: var(--panel); border: 1px solid var(--line); }
.msg.plan h4, .msg.verdict h4, .msg.done h4, .msg.need h4 { margin: 0 0 6px; font-size: 14px; }
.msg.plan ol, .msg.plan ul, .msg.verdict ul, .msg.done ul { margin: 4px 0 0; padding-left: 20px; }
.msg.verdict.approve { border-color: #3a8a4f; }
.msg.verdict.revise, .msg.verdict.reject { border-color: var(--warn-line); }
.msg.need { background: var(--warn); border: 1px solid var(--warn-line); }
.msg.need .actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.msg.need input { flex: 1; min-width: 160px; border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; font: inherit; background: var(--bg); color: var(--text); }
.msg.system { background: transparent; color: var(--muted); font-size: 12px; text-align: center; padding: 2px; }
.badge { display: inline-block; font-size: 11px; padding: 1px 6px; border-radius: 6px; background: var(--tool); color: var(--muted); margin-left: 6px; }

.setup { display: none; padding: 10px 16px; gap: 8px; flex-wrap: wrap; align-items: center; background: var(--warn); border-bottom: 1px solid var(--warn-line); font-size: 14px; }
.setup.show { display: flex; }
.setup span { flex: 1; min-width: 180px; }
.gate { max-width: 420px; margin: 20vh auto; padding: 24px; text-align: center; color: var(--muted); }
.gate h2 { color: var(--text); }

.intake-form { display: grid; gap: 10px; margin: 8px 0; }
.intake-form .field { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
.intake-form textarea, .intake-form select, .intake-form input { font: inherit; font-size: 14px; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; width: 100%; }
.intake-error { color: #d9534f; font-size: 13px; min-height: 1em; }
.intake-form .check { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; color: var(--text); }
.intake-form .check input { flex: none; width: 18px; min-width: 0; height: 18px; padding: 0; margin: 2px 0 0; }
.intake-form .hint { font-size: 12px; color: var(--muted); }
.intake-form .cand-title { font-size: 13px; font-weight: 600; margin-top: 6px; }
.intake-form .choice { display: grid; gap: 6px; }