:root {
  --bg: #16181d;
  --panel: #1f2229;
  --line: #2e323c;
  --text: #e8eaed;
  --muted: #9aa0ab;
  --accent: #d97757;
  --on: #4cc38a;
  --warn: #e5b454;
  --off: #8b909a;
  --busy: #6aa9f7;
  --danger: #ef6f6c;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f5f2;
    --panel: #ffffff;
    --line: #dedcd6;
    --text: #1d1f23;
    --muted: #6b7078;
    --on: #1f9d60;
    --warn: #a8750a;
    --busy: #2f6fd0;
    --danger: #c9403d;
    color-scheme: light;
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", system-ui, sans-serif; -webkit-text-size-adjust: 100%; }
#app { max-width: 820px; margin: 0 auto; height: 100%; }
main { padding: 0 16px 32px; }
h1 { font-size: 18px; margin: 0; }
h2 { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin: 0; }
h3 { font-size: 13px; color: var(--muted); margin: 20px 0 6px; }
h4 { margin: 10px 0 4px; font-size: 15px; }
section { margin-top: 22px; }
a { color: var(--accent); }
p { margin: 8px 0; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; }
code { background: var(--line); padding: 1px 5px; border-radius: 4px; }
pre { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px; margin: 8px 0; overflow-x: auto; white-space: pre-wrap; word-break: break-word; }
.muted { color: var(--muted); }
.grow { flex: 1; min-width: 0; }
.center { text-align: center; }
.pad { padding: 10px 14px; }

.top { display: flex; align-items: center; gap: 10px; padding: 12px 0; position: sticky; top: 0; background: var(--bg); z-index: 2; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }

.btn { appearance: none; border: 1px solid var(--line); background: var(--panel); color: var(--text); border-radius: 8px; padding: 9px 14px; font: inherit; cursor: pointer; text-decoration: none; display: inline-block; min-height: 40px; }
.btn.small { padding: 5px 10px; min-height: 32px; font-size: 13px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn:disabled { opacity: .45; cursor: default; }
[hidden] { display: none !important; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 24px; margin: 12vh 16px 0; }
.card h1 { font-size: 22px; margin-bottom: 8px; }
.card h2 { margin-top: 20px; }
.card .btn { margin-top: 12px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.chip { color: inherit; text-decoration: none; background: var(--panel); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--off); display: inline-block; flex: none; }
.dot.on { background: var(--on); }
.dot.wait { background: var(--warn); }
.links { list-style: none; padding: 0; }
.links li { display: flex; align-items: center; gap: 8px; padding: 6px 0; }

.row { display: flex; align-items: center; gap: 10px; padding: 12px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; margin-bottom: 8px; color: inherit; text-decoration: none; }
.row-main { flex: 1; min-width: 0; }
.row-title { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row-sub { color: var(--muted); font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.badge { font-size: 12px; padding: 2px 9px; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap; flex: none; }
.badge.on { color: var(--on); }
.badge.busy { color: var(--busy); }
.badge.warn { color: var(--warn); }
.badge.wait { color: var(--warn); }
.badge.off { color: var(--off); }

.form { display: grid; gap: 8px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin-bottom: 12px; }
input, select, textarea { font: inherit; font-size: 16px; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 9px 10px; width: 100%; }
textarea { resize: none; }

.banner { border: 1px solid var(--line); border-left-width: 4px; border-radius: 8px; padding: 10px 12px; margin: 8px 0; background: var(--panel); font-size: 14px; }
.banner.warn { border-left-color: var(--warn); }
.banner.off { border-left-color: var(--off); }
.banner.wait, .banner.info { border-left-color: var(--busy); }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.warn-text { color: var(--warn); }

.session { display: flex; flex-direction: column; height: 100dvh; padding-bottom: 0; }
.session .title { min-width: 0; }
.timeline { flex: 1; overflow-y: auto; padding: 8px 0 16px; overscroll-behavior: contain; }
.timeline.empty::before { content: "아직 대화가 없습니다."; display: block; text-align: center; color: var(--muted); margin-top: 20vh; }
.msg { display: flex; margin: 10px 0; }
.msg.user { justify-content: flex-end; }
.bubble { max-width: 100%; overflow-wrap: anywhere; }
.msg.user .bubble { background: var(--panel); border: 1px solid var(--line); border-radius: 14px 14px 4px 14px; padding: 8px 12px; max-width: 88%; white-space: pre-wrap; }
.msg.assistant .bubble p:first-child { margin-top: 0; }
.tool { border: 1px solid var(--line); border-radius: 8px; margin: 6px 0; font-size: 13px; background: var(--panel); }
.tool summary { padding: 6px 10px; cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tool pre { margin: 0 8px 8px; max-height: 320px; overflow: auto; }
.tool.error { border-color: var(--danger); }
.folder { border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; font-size: 13px; margin: 6px 0; }
.folder summary { cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.repo { padding: 4px 0; overflow-wrap: anywhere; }

.menu { position: absolute; right: 16px; z-index: 5; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; display: grid; min-width: 220px; box-shadow: 0 8px 24px rgba(0,0,0,.35); overflow: hidden; }
.menu button { appearance: none; background: none; border: 0; border-bottom: 1px solid var(--line); color: var(--text); font: inherit; text-align: left; padding: 12px 14px; cursor: pointer; }
.menu button:last-child { border-bottom: 0; }
.menu button:disabled { opacity: .45; }
.menu .danger { color: var(--danger); }

.screen, .dialog { border: 1px solid var(--line); border-radius: 10px; padding: 10px; margin: 6px 0; background: var(--panel); }
.dialog { border-color: var(--warn); }
.screen pre { max-height: 40vh; overflow: auto; white-space: pre; font-size: 11px; }
.dialog pre { border: 0; padding: 0; margin: 0; background: none; max-height: 30vh; overflow: auto; }
.dialog .btn { text-align: left; flex: 1 1 100%; }

.composer { display: flex; gap: 8px; align-items: flex-end; padding: 10px 0 calc(10px + env(safe-area-inset-bottom)); background: var(--bg); }
.composer .btn { flex: none; white-space: nowrap; }
.composer textarea { min-height: 42px; max-height: 30vh; field-sizing: content; }

.toasts { position: fixed; left: 0; right: 0; bottom: 84px; display: grid; justify-items: center; gap: 6px; pointer-events: none; z-index: 10; }
.toast { background: var(--text); color: var(--bg); padding: 8px 14px; border-radius: 10px; max-width: min(92vw, 560px); font-size: 14px; }
.toast.low { opacity: .8; }

.log { font-size: 11px; color: var(--muted); max-height: 160px; overflow: auto; border: 0; padding: 0; background: none; }

.logs { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; margin-top: 10px; }
.logline { padding: 6px 8px; border-left: 3px solid var(--line); border-bottom: 1px solid var(--line); overflow-wrap: anywhere; white-space: pre-wrap; }
.logline.warn { border-left-color: var(--warn); }
.logline.error { border-left-color: var(--danger); }
.logline.error b { color: var(--danger); }
.logline.warn b { color: var(--warn); }

.status { margin-top: 8px; }
.status .grid, .status .sess { display: grid; gap: 0; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); padding: 4px 12px; }
.status .sess { margin-top: 8px; }
.status .sess h3 { margin: 8px 0 2px; }
.kv { display: flex; gap: 12px; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.kv:last-child { border-bottom: 0; }
.kv > :first-child { flex: none; max-width: 45%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kv > :last-child { text-align: right; overflow-wrap: anywhere; }
.danger-text { color: var(--danger); }