:root {
  --bg: #0f1117;
  --card: #181b24;
  --card2: #20242f;
  --text: #e8e6e1;
  --muted: #9aa0ad;
  --accent: #e0a458;
  --accent2: #7fb4d6;
  --danger: #d97b7b;
  --ok: #7fbf8a;
  --border: #2a2f3c;
  --bar-h: calc(86px + env(safe-area-inset-bottom));
}
body.light {
  --bg: #f6f4ef;
  --card: #ffffff;
  --card2: #f0ede6;
  --text: #23201b;
  --muted: #6f6a61;
  --accent: #b97e2e;
  --accent2: #3c7ca6;
  --danger: #b3564f;
  --ok: #3d8a53;
  --border: #ddd8cd;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  min-height: 100vh;
}
body.has-bar { padding-bottom: var(--bar-h); }
#app { max-width: 720px; margin: 0 auto; padding: 12px 14px 20px; }
#bottom-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 25;
  max-width: 720px; margin: 0 auto; padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  background: var(--card); border-top: 1px solid var(--border);
}
.page-header {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 0 12px; position: sticky; top: 0; z-index: 5;
  background: var(--bg);
}
.page-header h1 { font-size: 19px; margin: 0; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.btn {
  background: var(--card2); color: var(--text); border: 1px solid var(--border);
  border-radius: 12px; padding: 10px 16px; font-size: 15px; cursor: pointer; min-height: 44px;
}
.btn:active { opacity: .75; }
.btn.primary { background: var(--accent); color: #14100a; border-color: var(--accent); font-weight: 700; }
.btn.danger { color: var(--danger); }
.btn.small { min-height: 32px; padding: 5px 10px; font-size: 13px; border-radius: 9px; }
.btn.big { width: 100%; padding: 14px; font-size: 17px; border-radius: 14px; }
.btn:disabled { opacity: .45; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 14px; margin-bottom: 12px;
}
.card.tap { cursor: pointer; }
.card-title { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.card-sub { color: var(--muted); font-size: 13px; line-height: 1.6; margin: 4px 0; }
.card-meta { color: var(--muted); font-size: 12px; margin-top: 6px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.empty { text-align: center; color: var(--muted); padding: 44px 20px; line-height: 1.9; }
.big-text { font-size: 18px; color: var(--text); }
.hint { color: var(--muted); font-size: 12px; line-height: 1.7; margin: 6px 0 12px; }
.ver { font-size: 11px; color: var(--muted); border: 1px solid var(--border); border-radius: 8px; padding: 3px 7px; margin-left: 8px; }
.link-btn {
  color: var(--accent2); font-size: 13px; background: none; border: 0;
  text-decoration: none; padding: 8px; cursor: pointer;
}
.link-btn.warn { color: var(--danger); }
.tool-row { display: flex; gap: 6px; align-items: center; margin-bottom: 10px; }
.hero { text-align: center; padding: 14px 0 16px; }
.hero-title { font-size: 23px; font-weight: 800; line-height: 1.45; margin-bottom: 8px; }
.hero-sub { color: var(--muted); font-size: 13px; line-height: 1.8; }
input[type=text], input[type=password], textarea {
  width: 100%; background: var(--card2); color: var(--text);
  border: 1px solid var(--border); border-radius: 12px;
  padding: 11px 13px; font-size: 15px; font-family: inherit;
}
textarea { resize: vertical; line-height: 1.75; }
#idea-text { border-style: dashed; font-size: 15px; }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; }
.prose {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 16px; margin: 10px 0; line-height: 1.95; font-size: 16px;
  white-space: pre-wrap; word-break: break-word;
}
.crumb { font-size: 13px; color: var(--muted); margin: 8px 0; overflow-x: auto; white-space: nowrap; }
.crumb a { color: var(--accent2); text-decoration: none; }
.node-title { font-size: 18px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
.chip {
  border: 1px solid var(--border); background: var(--card2); color: var(--text);
  border-radius: 999px; padding: 9px 16px; font-size: 14px; cursor: pointer; min-height: 40px;
}
.chip.active { background: var(--accent); color: #14100a; border-color: var(--accent); font-weight: 700; }
.chip.ghost { color: var(--muted); }
.chip-strip { display: flex; gap: 8px; overflow-x: auto; padding: 4px 0 10px; }
.chip-strip .chip { flex: none; }
.group { margin-bottom: 6px; }
.group-title { color: var(--accent); font-size: 14px; font-weight: 700; margin: 16px 0 8px; }
.card-item input[type=text] { margin-bottom: 8px; }
.keep-check { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.keep-check input { width: 18px; height: 18px; accent-color: var(--accent); }
.write-row { display: flex; gap: 10px; align-items: flex-end; }
.write-row textarea { flex: 1; max-height: 90px; }
#write-go { flex: none; width: 76px; }
.gen-box { margin-top: 12px; }
.gen-text {
  background: var(--card2); border: 1px dashed var(--border); border-radius: 14px;
  padding: 14px; line-height: 1.9; font-size: 15px; white-space: pre-wrap; word-break: break-word;
}
.gen-text .cursor::after { content: "▍"; color: var(--accent); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.ok-box {
  background: rgba(127, 191, 138, .12); color: var(--ok); border: 1px solid var(--ok);
  border-radius: 12px; padding: 12px; font-size: 15px; font-weight: 700; margin-bottom: 10px;
}
.warn-box {
  background: var(--card2); border: 1px solid var(--border); border-radius: 12px;
  padding: 11px 13px; font-size: 13px; color: var(--muted); line-height: 1.7; margin: 10px 0;
}
.warn-box.warn { border-color: var(--danger); color: var(--danger); }
.preview {
  background: var(--card2); border-radius: 12px; padding: 12px; font-size: 13px;
  color: var(--muted); line-height: 1.7; margin-bottom: 12px; white-space: pre-wrap;
}
.violation {
  border: 1px solid var(--border); border-left: 3px solid var(--danger);
  border-radius: 10px; padding: 10px 12px; margin-bottom: 10px; font-size: 13px;
}
.violation .quote { color: var(--muted); font-style: italic; margin: 6px 0; }
.violation .reason { line-height: 1.6; margin: 4px 0; }
.violation .suggestion { color: var(--accent2); line-height: 1.6; margin: 4px 0 0; }
.badge { font-size: 11px; padding: 3px 9px; border-radius: 999px; background: var(--card2); color: var(--muted); }
.badge.warn { background: rgba(217, 123, 123, .15); color: var(--danger); }
.badge.sev-blocker { background: rgba(217, 123, 123, .18); color: var(--danger); }
.badge.sev-warning { background: rgba(224, 164, 88, .18); color: var(--accent); }
.badge.sev-notice { background: var(--card2); color: var(--muted); }
.ver-tag {
  display: inline-block; background: var(--card2); border: 1px solid var(--border);
  color: var(--accent); border-radius: 8px; font-size: 12px; font-weight: 700; padding: 2px 8px;
}
.choice {
  display: block; width: 100%; text-align: left; background: var(--card2);
  border: 1px solid var(--border); border-radius: 12px; padding: 13px 15px;
  margin-bottom: 10px; color: var(--text); cursor: pointer; font-size: 14px;
}
.choice .sub { color: var(--muted); font-size: 12px; margin-top: 4px; line-height: 1.5; }
.toast {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
  background: var(--card2); color: var(--text); border: 1px solid var(--border);
  padding: 10px 20px; border-radius: 999px; font-size: 13px; z-index: 40;
  box-shadow: 0 4px 18px rgba(0,0,0,.35);
}
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 30;
  display: flex; align-items: flex-end; justify-content: center;
}
.modal {
  background: var(--card); border-radius: 18px 18px 0 0; width: 100%; max-width: 720px;
  padding: 18px 16px calc(18px + env(safe-area-inset-bottom));
}
.modal h3 { margin: 0 0 12px; }
.modal .row { margin-top: 12px; justify-content: flex-end; }
.login-wrap { padding: 18vh 20px 0; text-align: center; }
.login-wrap h1 { font-size: 24px; letter-spacing: 2px; }
.login-wrap p { color: var(--muted); margin: 8px 0 26px; }
.login-wrap form { max-width: 360px; margin: 0 auto; }
.login-wrap button { width: 100%; margin-top: 12px; }