/* FormKit 界面样式：深色主题 + 少量浅色覆盖 */
:root {
  --bg: #0a0f1e;
  --bg-glow-1: #1b2a5a;
  --bg-glow-2: #2a1b5e;
  --panel: rgba(20, 28, 51, 0.86);
  --panel-solid: #141c33;
  --panel-2: #1a2440;
  --line: #24304f;
  --line-soft: rgba(255, 255, 255, 0.07);
  --text: #e9eefc;
  --muted: #95a2c4;
  --faint: #6b7899;
  --primary: #5b8cff;
  --primary-2: #8a6bff;
  --primary-soft: rgba(91, 140, 255, 0.14);
  --ok: #2dd4a7;
  --warn: #f4b740;
  --err: #ff6b81;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.42);
  --font: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
}

[data-theme="light"] {
  --bg: #f3f6fd;
  --bg-glow-1: #dbe6ff;
  --bg-glow-2: #e8ddff;
  --panel: rgba(255, 255, 255, 0.92);
  --panel-solid: #ffffff;
  --panel-2: #f6f8ff;
  --line: #dde4f4;
  --line-soft: rgba(10, 20, 50, 0.08);
  --text: #121a33;
  --muted: #5d6b8c;
  --faint: #8b97b2;
  --primary-soft: rgba(91, 140, 255, 0.12);
  --shadow: 0 18px 44px rgba(26, 42, 90, 0.12);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 500px at 12% -8%, var(--bg-glow-1) 0%, transparent 62%),
    radial-gradient(800px 480px at 96% 4%, var(--bg-glow-2) 0%, transparent 58%);
  opacity: 0.85;
  pointer-events: none;
  z-index: 0;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0; font-weight: 650; letter-spacing: -0.01em; }
p { margin: 0; }
button { font-family: inherit; }
code, .mono { font-family: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace; }

.app-root { position: relative; z-index: 1; min-height: 100vh; }
.container { width: min(1220px, calc(100% - 40px)); margin: 0 auto; }
.container-narrow { width: min(760px, calc(100% - 40px)); margin: 0 auto; }
.boot { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; min-height: 70vh; color: var(--muted); }

/* ---------------------------------------------------------------- loading */
.spinner {
  width: 26px; height: 26px; border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.14);
  border-top-color: var(--primary);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-block { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 60px 20px; color: var(--muted); }

/* ------------------------------------------------------------------ topbar */
.topbar {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(10, 15, 30, 0.72);
  border-bottom: 1px solid var(--line-soft);
}
[data-theme="light"] .topbar { background: rgba(255, 255, 255, 0.78); }
.topbar-inner { display: flex; align-items: center; gap: 18px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 750; font-size: 17px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  display: grid; place-items: center; color: #fff; font-size: 15px; font-weight: 800;
  box-shadow: 0 6px 18px rgba(91, 140, 255, 0.35);
}
.nav { display: flex; gap: 4px; margin-left: 10px; flex: 1; }
.nav-link {
  padding: 7px 13px; border-radius: 9px; color: var(--muted); font-size: 14px; font-weight: 550;
  white-space: nowrap; flex: none;
}
.nav-link:hover { background: var(--primary-soft); color: var(--text); text-decoration: none; }
.nav-link.active { background: var(--primary-soft); color: var(--text); }
.user-chip { display: flex; align-items: center; gap: 10px; }
.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, #2b3c6d, #4a3a78);
  display: grid; place-items: center; font-size: 13px; font-weight: 700; color: #cbd6ff;
  border: 1px solid var(--line);
}
.user-name { font-size: 13px; color: var(--muted); max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ----------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 16px; border-radius: 11px; border: 1px solid var(--line);
  background: var(--panel-2); color: var(--text); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: transform 0.12s ease, background 0.16s ease, border-color 0.16s ease, opacity 0.16s;
  white-space: nowrap;
}
.btn:hover { border-color: #35446d; background: #1f2a4a; text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
[data-theme="light"] .btn { background: #fff; border-color: var(--line); }
[data-theme="light"] .btn:hover { background: #f4f7ff; }
[data-theme="light"] .btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); border-color: transparent; color: #fff; }
[data-theme="light"] .btn-primary:hover { background: linear-gradient(135deg, #6b98ff, #977cff); }
[data-theme="light"] .btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
[data-theme="light"] .btn-ghost:hover { background: var(--primary-soft); color: var(--text); }
[data-theme="light"] .btn-danger { background: rgba(255, 107, 129, 0.1); border-color: rgba(255, 107, 129, 0.45); color: #d43c55; }
[data-theme="light"] .btn-danger:hover { background: rgba(255, 107, 129, 0.18); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-color: transparent; color: #fff;
  box-shadow: 0 8px 22px rgba(91, 140, 255, 0.28);
}
.btn-primary:hover { background: linear-gradient(135deg, #6b98ff, #977cff); border-color: transparent; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--primary-soft); color: var(--text); border-color: transparent; }
.btn-danger { background: rgba(255, 107, 129, 0.12); border-color: rgba(255, 107, 129, 0.4); color: #ff8fa0; }
.btn-danger:hover { background: rgba(255, 107, 129, 0.2); border-color: rgba(255, 107, 129, 0.6); }
.btn-sm { padding: 6px 11px; font-size: 13px; border-radius: 9px; }
.btn-icon { padding: 7px 9px; font-size: 13px; line-height: 1; }
.btn-block { width: 100%; }

/* ------------------------------------------------------------------ inputs */
.label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
.input, .textarea, .select {
  width: 100%; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: rgba(9, 14, 28, 0.55); color: var(--text);
  font-size: 14px; font-family: inherit; transition: border-color 0.15s, box-shadow 0.15s;
}
[data-theme="light"] .input, [data-theme="light"] .textarea, [data-theme="light"] .select { background: #fff; }
.input:focus, .textarea:focus, .select:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.18);
}
.textarea { resize: vertical; min-height: 84px; line-height: 1.55; }
.select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 34px; }
.field { margin-bottom: 14px; }
.hint { font-size: 12px; color: var(--faint); margin-top: 5px; }
.error-text { color: var(--err); font-size: 12.5px; margin-top: 5px; }
.input.invalid, .textarea.invalid, .select.invalid { border-color: var(--err); }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1 1 180px; min-width: 0; }
.row > .btn { flex: 0 0 auto; }
.stack { display: grid; gap: 14px; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.small { font-size: 12.5px; }

/* ------------------------------------------------------------------- cards */
.card {
  background: var(--panel); border: 1px solid var(--line-soft);
  border-radius: var(--radius); box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset;
  margin-bottom: 18px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--line-soft); }
.card-title { font-size: 15px; font-weight: 650; display: flex; align-items: center; gap: 8px; }
.card-sub { font-size: 12.5px; color: var(--faint); }
.card-body { padding: 18px 20px; }
.card-body.tight { padding: 12px 14px; }

/* ------------------------------------------------------------------- pages */
.page { padding: 30px 0 70px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.page-title { font-size: 26px; font-weight: 720; }
.page-sub { color: var(--muted); font-size: 14px; margin-top: 6px; }
.page-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.section-title { font-size: 15px; font-weight: 650; margin: 26px 0 12px; color: var(--muted); }

/* ------------------------------------------------------------------ badges */
.badge {
  display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; flex: none;
  padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600;
  border: 1px solid transparent;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-draft { color: #b9c4e0; background: rgba(185, 196, 224, 0.12); }
.badge-published { color: #4fe3b8; background: rgba(45, 212, 167, 0.13); }
.badge-closed { color: #ffb27a; background: rgba(255, 138, 76, 0.14); }
.badge-new { color: #8fb2ff; background: rgba(91, 140, 255, 0.15); }
.badge-reviewed { color: #4fe3b8; background: rgba(45, 212, 167, 0.13); }
.badge-archived { color: #b9c4e0; background: rgba(185, 196, 224, 0.1); }
.tag { display: inline-block; padding: 2px 8px; border-radius: 7px; background: var(--primary-soft); color: #a9c2ff; font-size: 11.5px; font-weight: 600; }

/* --------------------------------------------------------------- form cards */
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.form-card {
  background: var(--panel); border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 18px; display: flex; flex-direction: column; gap: 12px; transition: border-color 0.16s, transform 0.16s;
}
.form-card:hover { border-color: #33436d; transform: translateY(-2px); }
.form-card-top { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.form-card-title { font-size: 16px; font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.form-meta { display: flex; gap: 14px; color: var(--faint); font-size: 12.5px; flex-wrap: wrap; }
.form-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: auto; padding-top: 6px; }
.empty { text-align: center; padding: 56px 20px; color: var(--muted); border: 1px dashed var(--line); border-radius: var(--radius); background: rgba(255, 255, 255, 0.015); }
.empty-icon { font-size: 30px; margin-bottom: 8px; }

/* ------------------------------------------------------------------ builder */
.builder-top {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line-soft); margin-bottom: 18px;
  position: sticky; top: 74px; z-index: 30; backdrop-filter: blur(14px);
}
.builder-title { flex: 1 1 260px; }
.builder-title .input { font-size: 16px; font-weight: 650; }
.builder-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.split { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 18px; align-items: stretch; }
.sticky { position: sticky; top: 150px; }

.field-item { border: 1px solid var(--line-soft); border-radius: 12px; margin-bottom: 10px; background: rgba(255, 255, 255, 0.014); overflow: hidden; }
.field-item.open { border-color: #33436d; background: rgba(91, 140, 255, 0.05); }
.field-item-head { display: flex; align-items: center; gap: 10px; padding: 11px 13px; cursor: pointer; }
.field-index { width: 24px; height: 24px; border-radius: 7px; background: var(--panel-2); display: grid; place-items: center; font-size: 11.5px; color: var(--muted); font-weight: 700; flex: none; }
.field-name { font-weight: 600; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.field-tools { margin-left: auto; display: flex; gap: 4px; align-items: center; }
.field-item-body { padding: 4px 14px 16px; border-top: 1px solid var(--line-soft); display: grid; gap: 12px; }
.field-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.opt-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.opt-chip { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 3px 9px; font-size: 12.5px; }

/* --------------------------------------------------------------- ai section */
.dropzone {
  border: 1.5px dashed #33436d; border-radius: 14px; padding: 26px 18px; text-align: center;
  color: var(--muted); cursor: pointer; transition: all 0.16s; background: rgba(91, 140, 255, 0.03);
}
.dropzone:hover, .dropzone.drag { border-color: var(--primary); background: rgba(91, 140, 255, 0.08); color: var(--text); }
.dropzone-icon { font-size: 24px; margin-bottom: 6px; }
.dropzone-hint { font-size: 12px; color: var(--faint); margin-top: 4px; }
.file-chip { display: flex; align-items: center; gap: 10px; padding: 10px 13px; border-radius: 11px; background: var(--panel-2); border: 1px solid var(--line); margin-top: 10px; }
.file-chip-name { font-size: 13.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-result { margin-top: 14px; border: 1px solid var(--line-soft); border-radius: 12px; padding: 14px; background: rgba(45, 212, 167, 0.04); }
.ai-result-list { display: grid; gap: 6px; margin: 10px 0; max-height: 260px; overflow: auto; }
.ai-field-row { display: flex; gap: 8px; align-items: baseline; font-size: 13px; }
.ai-warn { font-size: 12.5px; color: var(--warn); background: rgba(244, 183, 64, 0.1); border-radius: 8px; padding: 8px 10px; margin-top: 8px; }
.ai-meta { font-size: 12px; color: var(--faint); display: flex; gap: 10px; flex-wrap: wrap; }

/* ----------------------------------------------------------------- preview */
.preview-card { background: var(--panel); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.preview-head { padding: 20px; border-bottom: 1px solid var(--line-soft); background: linear-gradient(135deg, rgba(91, 140, 255, 0.12), rgba(138, 107, 255, 0.06)); }
.preview-title { font-size: 19px; font-weight: 700; }
.preview-desc { color: var(--muted); font-size: 13.5px; margin-top: 6px; white-space: pre-wrap; }
.preview-body { padding: 18px 20px 24px; display: grid; gap: 16px; max-height: 68vh; overflow: auto; }
.pf { display: grid; gap: 6px; }
.pf-label { font-size: 13.5px; font-weight: 600; }
.pf-req { color: var(--err); margin-left: 3px; }
.pf-help { font-size: 12px; color: var(--faint); }
.pf .input, .pf .textarea, .pf .select { pointer-events: none; }
.choice { display: flex; align-items: center; gap: 8px; font-size: 13.5px; padding: 7px 10px; border: 1px solid var(--line-soft); border-radius: 9px; }
.choice input { accent-color: var(--primary); }
.rating-stars { display: flex; gap: 4px; font-size: 19px; color: var(--faint); }
.rating-stars .on { color: var(--warn); }
.consent-line { display: flex; gap: 8px; align-items: flex-start; font-size: 13.5px; }

/* ------------------------------------------------------------------ tables */
.table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--line-soft); }
.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.table th, .table td { padding: 10px 13px; text-align: left; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.table th { background: rgba(255, 255, 255, 0.025); font-size: 12.5px; color: var(--muted); font-weight: 600; white-space: nowrap; }
.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: rgba(91, 140, 255, 0.05); }
.table-actions { display: flex; gap: 6px; justify-content: flex-end; }
.cell-clip { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.toolbar .input, .toolbar .select { width: auto; min-width: 160px; }
.pager { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; color: var(--muted); font-size: 13px; flex-wrap: wrap; }

/* ------------------------------------------------------------------- stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--panel); border: 1px solid var(--line-soft); border-radius: 13px; padding: 14px 16px; }
.stat-value { font-size: 24px; font-weight: 720; letter-spacing: -0.02em; }
.stat-label { font-size: 12.5px; color: var(--faint); margin-top: 2px; }
.spark { display: flex; align-items: flex-end; gap: 4px; height: 70px; margin-top: 10px; }
.spark-bar { flex: 1; background: linear-gradient(180deg, var(--primary), rgba(91, 140, 255, 0.24)); border-radius: 4px 4px 0 0; min-height: 3px; position: relative; }
.spark-bar:hover::after { content: attr(data-tip); position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); background: #0b1226; border: 1px solid var(--line); padding: 3px 7px; border-radius: 6px; font-size: 11px; white-space: nowrap; color: var(--text); }

/* ------------------------------------------------------------------ toasts */
.toasts { position: fixed; right: 20px; bottom: 22px; display: flex; flex-direction: column; gap: 10px; z-index: 90; max-width: min(400px, calc(100vw - 40px)); }
.toast {
  display: flex; align-items: center; gap: 9px; padding: 11px 15px; border-radius: 11px;
  background: rgba(20, 28, 51, 0.96); border: 1px solid var(--line); color: var(--text);
  font-size: 13.5px; box-shadow: var(--shadow); opacity: 0; transform: translateY(10px); transition: all 0.22s;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); flex: none; }
.toast-success .toast-dot { background: var(--ok); }
.toast-error .toast-dot { background: var(--err); }

/* ------------------------------------------------------------------ modals */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(4, 8, 18, 0.66); backdrop-filter: blur(4px);
  display: grid; place-items: center; padding: 20px; z-index: 80; opacity: 0; transition: opacity 0.18s;
}
.modal-overlay.show { opacity: 1; }
.modal {
  width: min(560px, 100%); max-height: 88vh; display: flex; flex-direction: column;
  background: var(--panel-solid); border: 1px solid var(--line); border-radius: 18px;
  box-shadow: var(--shadow); transform: translateY(8px) scale(0.99); transition: transform 0.18s;
}
.modal-overlay.show .modal { transform: none; }
.modal-wide { width: min(860px, 100%); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--line-soft); }
.modal-head h3 { font-size: 16px; }
.modal-body { padding: 20px; overflow: auto; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 20px; border-top: 1px solid var(--line-soft); }
.modal-text { color: var(--muted); font-size: 14px; }

/* -------------------------------------------------------------------- auth */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 30px 20px; }
.auth-card { width: min(430px, 100%); background: var(--panel); border: 1px solid var(--line-soft); border-radius: 20px; padding: 30px; box-shadow: var(--shadow); }
.auth-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; font-weight: 750; font-size: 18px; }
.auth-title { font-size: 22px; font-weight: 720; margin-bottom: 6px; }
.auth-sub { color: var(--muted); font-size: 13.5px; margin-bottom: 22px; }
.auth-foot { text-align: center; font-size: 13px; color: var(--muted); margin-top: 18px; }
.auth-note { margin-top: 16px; font-size: 12.5px; color: var(--faint); background: rgba(91, 140, 255, 0.08); border-radius: 10px; padding: 10px 12px; }

/* ------------------------------------------------------------- public form */
.public-shell { min-height: 100vh; padding: 40px 20px 70px; }
.public-card { width: min(680px, 100%); margin: 0 auto; background: var(--panel); border: 1px solid var(--line-soft); border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); }
.public-head { padding: 30px 32px 24px; background: linear-gradient(135deg, rgba(91, 140, 255, 0.18), rgba(138, 107, 255, 0.08)); border-bottom: 1px solid var(--line-soft); }
.public-title { font-size: 24px; font-weight: 740; letter-spacing: -0.02em; }
.public-desc { color: var(--muted); margin-top: 8px; font-size: 14px; white-space: pre-wrap; }
.public-body { padding: 26px 32px 32px; }
.public-field { margin-bottom: 20px; }
.public-field .pf-label { font-size: 14px; }
.choices { display: grid; gap: 8px; }
.choices .choice { cursor: pointer; background: var(--panel-2); }
.choices .choice:hover { border-color: #33436d; }
.public-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 8px; flex-wrap: wrap; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.success-box { text-align: center; padding: 46px 24px; }
.success-icon { width: 62px; height: 62px; border-radius: 50%; background: rgba(45, 212, 167, 0.14); color: var(--ok); display: grid; place-items: center; font-size: 28px; margin: 0 auto 16px; }
.powered { text-align: center; color: var(--faint); font-size: 12px; margin-top: 20px; }

/* --------------------------------------------------------------- misc bits */
.switch { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; font-size: 13.5px; color: var(--muted); }
.switch input { appearance: none; width: 38px; height: 22px; border-radius: 999px; background: #2a3557; position: relative; transition: background 0.16s; cursor: pointer; border: none; }
.switch input::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform 0.16s; }
.switch input:checked { background: var(--primary); }
.switch input:checked::after { transform: translateX(16px); }
.danger-zone { border-color: rgba(255, 107, 129, 0.3); }
.divider { height: 1px; background: var(--line-soft); margin: 18px 0; }
.kbd { font-family: monospace; font-size: 11.5px; border: 1px solid var(--line); padding: 1px 6px; border-radius: 5px; color: var(--muted); }
.copy-row { display: flex; gap: 8px; align-items: center; }
.copy-row .input { flex: 1; font-size: 12.5px; }
.answer-list { display: grid; gap: 12px; }
.answer-item { border-bottom: 1px solid var(--line-soft); padding-bottom: 10px; }
.answer-label { font-size: 12.5px; color: var(--faint); margin-bottom: 3px; }
.answer-value { font-size: 14px; white-space: pre-wrap; word-break: break-word; }
.skeleton { background: linear-gradient(90deg, rgba(255,255,255,0.04), rgba(255,255,255,0.09), rgba(255,255,255,0.04)); background-size: 200% 100%; animation: shimmer 1.2s infinite; border-radius: 8px; height: 14px; }
@keyframes shimmer { to { background-position: -200% 0; } }

/* --------------------------------------------------------------- responsive */
@media (max-width: 1080px) {
  .split { grid-template-columns: 1fr; }
  .sticky { position: static; }
  .preview-body { max-height: none; }
}
@media (max-width: 720px) {
  .container, .container-narrow { width: calc(100% - 28px); }
  .topbar-inner { height: 56px; gap: 8px; }
  .brand { font-size: 15px; }
  .brand-mark { width: 26px; height: 26px; border-radius: 8px; font-size: 13px; }
  .nav { margin-left: 0; overflow-x: auto; scrollbar-width: none; }
  .nav::-webkit-scrollbar { display: none; }
  .nav-link { padding: 6px 9px; font-size: 13px; }
  .user-name { display: none; }
  .user-chip { gap: 6px; }
  .user-chip .btn { padding: 5px 8px; }
  .builder-top { top: 64px; }
  .page { padding-top: 20px; }
  .public-head, .public-body { padding-left: 20px; padding-right: 20px; }
  .field-grid-2 { grid-template-columns: 1fr; }
  .page-title { font-size: 22px; }
}
@media print {
  .topbar, .builder-actions, .toolbar, .pager { display: none; }
}

/* ============================================================ 统计页面 */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

.spark-lg { height: 150px; gap: 5px; }
.spark-sm { height: 82px; gap: 2px; }
.spark-axis { display: flex; justify-content: space-between; color: var(--faint); font-size: 11.5px; margin-top: 6px; }
.spark-bar { transition: filter 0.15s; }
.spark-bar:hover { filter: brightness(1.25); }

.bar-row { display: grid; grid-template-columns: minmax(80px, 150px) 1fr auto; gap: 10px; align-items: center; margin-bottom: 7px; font-size: 13px; }
.bar-label { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { height: 9px; background: rgba(255, 255, 255, 0.06); border-radius: 999px; overflow: hidden; }
[data-theme="light"] .bar-track { background: rgba(10, 20, 50, 0.08); }
.bar-fill { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--primary), var(--primary-2)); }
.bar-value { color: var(--faint); font-size: 12px; white-space: nowrap; }

.stat-field { border-bottom: 1px solid var(--line-soft); padding: 14px 0; }
.stat-field:first-child { padding-top: 2px; }
.stat-field:last-child { border-bottom: none; padding-bottom: 0; }
.stat-field-head { display: flex; align-items: center; gap: 9px; margin-bottom: 10px; flex-wrap: wrap; }
.stat-field-label { font-weight: 640; font-size: 14px; }
.stat-numbers { display: flex; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: 13px; margin-bottom: 10px; }
.stat-numbers strong { color: var(--text); font-size: 15px; }
.stat-samples { display: grid; gap: 6px; }
.stat-sample { background: rgba(255, 255, 255, 0.03); border-left: 2px solid var(--line); padding: 6px 10px; border-radius: 0 8px 8px 0; font-size: 13px; color: var(--muted); }
[data-theme="light"] .stat-sample { background: rgba(10, 20, 50, 0.03); }

.sentiment { margin: 14px 0 18px; }
.sentiment-bar { display: flex; height: 12px; border-radius: 999px; overflow: hidden; background: rgba(255, 255, 255, 0.06); }
.sentiment-bar span { display: block; height: 100%; }
.sentiment-bar .pos { background: #2dd4a7; }
.sentiment-bar .neu { background: #6b7899; }
.sentiment-bar .neg { background: #ff6b81; }
.sentiment-legend { display: flex; gap: 16px; margin-top: 8px; font-size: 12.5px; color: var(--muted); flex-wrap: wrap; }
.sentiment-legend .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 5px; }
.sentiment-legend .dot.pos { background: #2dd4a7; }
.sentiment-legend .dot.neu { background: #6b7899; }
.sentiment-legend .dot.neg { background: #ff6b81; }

.summary-overview { font-size: 15px; line-height: 1.75; color: var(--text); }
.summary-section { margin-top: 18px; }
.summary-section h4 { font-size: 13.5px; color: var(--muted); margin-bottom: 8px; font-weight: 650; }
.summary-list { margin: 0; padding-left: 20px; display: grid; gap: 6px; font-size: 14px; }
.summary-highlights { display: grid; gap: 8px; }
.summary-highlight { display: flex; gap: 10px; align-items: baseline; font-size: 13.5px; }
.summary-quote { margin: 0 0 8px; padding: 10px 14px; border-left: 3px solid var(--primary); background: rgba(91, 140, 255, 0.07); border-radius: 0 10px 10px 0; font-size: 13.5px; color: var(--muted); }
.summary-meta { margin-top: 16px; display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--faint); }

/* ============================================================ 只读文档 */
.doc-shell { padding: 26px 0 70px; }
.doc-toolbar { width: min(920px, 100%); margin: 0 auto 14px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.readonly-banner {
  width: min(920px, 100%); margin: 0 auto 14px; padding: 9px 14px; border-radius: 10px;
  background: rgba(91, 140, 255, 0.1); color: var(--muted); font-size: 12.5px;
  border: 1px solid rgba(91, 140, 255, 0.18);
}
.doc-paper {
  width: min(920px, 100%); margin: 0 auto; background: #ffffff; color: #1b2237;
  border-radius: 14px; padding: 48px 56px 64px; box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}
.doc-title { font-size: 30px; line-height: 1.3; margin: 0 0 8px; color: #101728; letter-spacing: -0.01em; }
.doc-meta { color: #7a849c; font-size: 12.5px; margin-bottom: 24px; padding-bottom: 14px; border-bottom: 1px solid #e8ecf5; }
.doc-content { font-size: 15.5px; line-height: 1.85; color: #232b40; word-break: break-word; }
.doc-content h1, .doc-content h2, .doc-content h3, .doc-content h4, .doc-content h5, .doc-content h6 { color: #101728; line-height: 1.35; margin: 1.6em 0 0.6em; }
.doc-content h1 { font-size: 25px; }
.doc-content h2 { font-size: 21px; }
.doc-content h3 { font-size: 18px; }
.doc-content h4 { font-size: 16px; }
.doc-content p { margin: 0 0 1em; }
.doc-content ul, .doc-content ol { margin: 0 0 1em; padding-left: 1.6em; }
.doc-content li { margin: 0.25em 0; }
.doc-content blockquote { margin: 1em 0; padding: 0.4em 1em; border-left: 3px solid #c9d4ee; color: #4a5570; background: #f6f8fd; border-radius: 0 8px 8px 0; }
.doc-content code { background: #f0f3fa; padding: 0.12em 0.4em; border-radius: 5px; font-size: 0.9em; color: #334; }
.doc-content pre { background: #f6f8fd; border: 1px solid #e8ecf5; border-radius: 10px; padding: 14px 16px; overflow: auto; }
.doc-content pre code { background: none; padding: 0; }
.doc-content table { width: 100%; border-collapse: collapse; margin: 1em 0; font-size: 14px; }
.doc-content th, .doc-content td { border: 1px solid #e2e8f4; padding: 8px 10px; text-align: left; vertical-align: top; }
.doc-content th { background: #f6f8fd; font-weight: 650; }
.doc-content a { color: #2f6df6; }
.doc-content hr { border: none; border-top: 1px solid #e8ecf5; margin: 1.6em 0; }
.doc-content img { max-width: 100%; }
.doc-frame-wrap { width: min(1100px, 100%); margin: 0 auto; }
.doc-frame { width: 100%; height: calc(100vh - 220px); border: 1px solid var(--line-soft); border-radius: 12px; background: #fff; }
@media (max-width: 720px) {
  .doc-paper { padding: 28px 20px 40px; border-radius: 10px; }
  .doc-title { font-size: 23px; }
  .doc-content { font-size: 15px; }
  .doc-frame { height: calc(100vh - 260px); }
}

/* ============================================================ 条件显示 */
.tag-cond { background: rgba(244, 183, 64, 0.16); color: #f4b740; }
.cond-editor { border: 1px dashed var(--line); border-radius: 10px; padding: 12px; background: rgba(255, 255, 255, 0.02); }
.cond-value-row { display: flex; gap: 8px; align-items: center; }
.cond-value-row .select, .cond-value-row .input { min-width: 0; }
.cond-options { display: flex; flex-wrap: wrap; gap: 8px 14px; }
.cond-option { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; color: var(--muted); }
.cond-option input { accent-color: var(--primary); }
.cond-hint { margin-top: 8px; font-size: 12.5px; color: var(--warn); }
.pf-cond { font-size: 11.5px; color: var(--warn); background: rgba(244, 183, 64, 0.1); border-radius: 6px; padding: 3px 8px; display: inline-block; margin-bottom: 6px; }
.public-field[hidden] { display: none !important; }