:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --border: #e4e7ec;
  --border-strong: #d0d5dd;
  --text: #1b2430;
  --text-2: #475467;
  --text-3: #98a2b3;
  --accent: #4f46e5;
  --accent-soft: #eef2ff;
  --green: #12b76a;
  --green-soft: #ecfdf3;
  --amber: #f79009;
  --amber-soft: #fffaeb;
  --red: #f04438;
  --red-soft: #fef3f2;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1);
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100%; }
body {
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: .92em; }

/* ---------- layout ---------- */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 224px; flex-shrink: 0; background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 20px 14px;
  position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 10px 22px; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px; background: var(--accent);
  color: #fff; font-weight: 700; font-size: 13px;
  display: flex; align-items: center; justify-content: center; letter-spacing: -.5px;
}
.brand-name { font-weight: 700; font-size: 15px; letter-spacing: -.2px; }
.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav a {
  display: flex; align-items: center; gap: 10px; padding: 9px 10px;
  border-radius: 8px; color: var(--text-2); font-weight: 500;
}
.nav a:hover { background: var(--bg); text-decoration: none; }
.nav a.active { background: var(--accent-soft); color: var(--accent); }
.nav svg { width: 17px; height: 17px; flex-shrink: 0; }
.sidebar-foot { font-size: 12px; color: var(--text-3); padding: 8px 10px 0; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 17px; font-weight: 650; letter-spacing: -.2px; }
.user-chip { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-2); }
.avatar {
  width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft);
  color: var(--accent); font-weight: 700; font-size: 12px;
  display: flex; align-items: center; justify-content: center;
}
/* 内容铺满主区：去掉 1120px 上限，列表/表格不再右侧留大片空白 */
.page { padding: 28px 32px 48px; width: 100%; }

/* ---------- components ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px; border: 1px solid transparent;
  border-radius: 8px; padding: 8px 14px; font-size: 13.5px; font-weight: 550;
  cursor: pointer; background: var(--surface); color: var(--text);
  border-color: var(--border-strong); transition: all .12s;
  font-family: inherit;
}
.btn:hover { background: var(--bg); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #4338ca; }
.btn-danger { color: var(--red); border-color: var(--border-strong); }
.btn-danger:hover { background: var(--red-soft); border-color: var(--red); }
.btn-sm { padding: 5px 10px; font-size: 12.5px; border-radius: 7px; }
.btn-ghost { border-color: transparent; background: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--bg); }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
.card-pad { padding: 22px; }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 550; margin-bottom: 6px; }
.field .hint { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.input, textarea.input, select.input {
  width: 100%; padding: 8px 12px; border: 1px solid var(--border-strong);
  border-radius: 8px; font: inherit; color: var(--text); background: var(--surface);
}
.input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
textarea.input { resize: vertical; min-height: 96px; }
.input-row { display: flex; gap: 8px; align-items: center; }
.input-row .input { flex: 1; }

.badge {
  display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 999px;
  font-size: 11.5px; font-weight: 600;
}
.badge-choice { background: var(--accent-soft); color: var(--accent); }
.badge-score  { background: var(--amber-soft); color: #b54708; }
.badge-bool   { background: var(--green-soft); color: #067647; }
.badge-auto   { background: var(--green-soft); color: #067647; }
.badge-review { background: var(--amber-soft); color: #b54708; }
.badge-off    { background: var(--bg); color: var(--text-3); }

table.list { width: 100%; border-collapse: collapse; }
table.list th {
  text-align: left; font-size: 12px; color: var(--text-3); font-weight: 600;
  padding: 10px 16px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
table.list td { padding: 13px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.list tr:last-child td { border-bottom: none; }
table.list tr.clickable { cursor: pointer; }
table.list tr.clickable:hover td { background: #fafbfc; }

.empty {
  text-align: center; padding: 56px 20px; color: var(--text-3);
}
.empty .big { font-size: 30px; margin-bottom: 10px; }
.empty p { margin-bottom: 16px; }

/* confidence bar */
.conf-wrap { display: flex; align-items: center; gap: 10px; min-width: 170px; }
.conf-bar { flex: 1; height: 6px; background: var(--border); border-radius: 99px; overflow: hidden; }
.conf-fill { height: 100%; border-radius: 99px; }
.conf-hi { background: var(--green); }
.conf-mid { background: var(--amber); }
.conf-lo { background: var(--red); }
.conf-num { font-size: 12.5px; color: var(--text-2); font-family: var(--mono); width: 44px; text-align: right; }

/* stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat { padding: 18px 20px; }
.stat .k { font-size: 26px; font-weight: 700; letter-spacing: -.5px; }
.stat .l { font-size: 12.5px; color: var(--text-3); margin-top: 2px; }

/* code block */
.codeblock {
  background: #101828; color: #e4e7ec; border-radius: 10px; padding: 16px 18px;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.7;
  overflow-x: auto; position: relative; white-space: pre;
}
.codeblock .copy-btn {
  position: absolute; top: 10px; right: 10px; background: rgba(255,255,255,.08);
  border: none; color: #98a2b3; border-radius: 6px; padding: 4px 10px;
  font-size: 11.5px; cursor: pointer; font-family: inherit;
}
.codeblock .copy-btn:hover { background: rgba(255,255,255,.16); color: #fff; }
.codeblock .copy-btn.copied { background: var(--green-soft); color: #067647; }

/* steps */
.steps { display: flex; flex-direction: column; gap: 14px; }
.step { display: flex; gap: 14px; }
.step-n {
  width: 24px; height: 24px; border-radius: 50%; background: var(--accent-soft);
  color: var(--accent); font-size: 12px; font-weight: 700; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; margin-top: 1px;
}

/* modal */
.modal-mask {
  position: fixed; inset: 0; background: rgba(16, 24, 40, .45);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 6vh 20px; z-index: 50; overflow-y: auto;
}
.modal {
  background: var(--surface); border-radius: 14px; width: 560px; max-width: 100%;
  box-shadow: 0 20px 50px rgba(16, 24, 40, .25); padding: 24px;
}
.modal h3 { font-size: 16px; margin-bottom: 18px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }

/* toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: #101828; color: #fff; padding: 10px 18px; border-radius: 8px;
  font-size: 13px; z-index: 99; opacity: 0; transition: opacity .2s;
  pointer-events: none;
}
.toast.show { opacity: 1; }

/* misc */
.row { display: flex; gap: 12px; align-items: center; }
.row-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; } .mb-8 { margin-bottom: 8px; }
.muted { color: var(--text-3); font-size: 12.5px; }
.pill { font-family: var(--mono); font-size: 12.5px; background: var(--bg); border: 1px solid var(--border); padding: 2px 8px; border-radius: 6px; }
.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* auth pages */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(160deg, #f5f6ff 0%, var(--bg) 45%); padding: 20px; }
.auth-card { width: 400px; max-width: 100%; padding: 36px 32px; }
.auth-card .brand { justify-content: center; padding-bottom: 8px; }
.auth-card h2 { text-align: center; font-size: 18px; margin-bottom: 4px; }
.auth-sub { text-align: center; color: var(--text-3); font-size: 13px; margin-bottom: 24px; }
.form-err { color: var(--red); font-size: 12.5px; margin-top: 10px; min-height: 16px; }

/* playground */
.play-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 20px; align-items: start; }
@media (max-width: 960px) { .play-grid { grid-template-columns: 1fr; } }
.rule-check { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 8px; cursor: pointer; }
.rule-check:hover { border-color: var(--border-strong); }
.rule-check input { accent-color: var(--accent); }
.rule-check .rc-body { flex: 1; min-width: 0; }
.rule-check .rc-name { font-weight: 550; font-size: 13.5px; }
.rule-check .rc-code { font-family: var(--mono); font-size: 11.5px; color: var(--text-3); }

.answer-card { border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin-bottom: 12px; }
.answer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; gap: 10px; }
.answer-value { font-size: 20px; font-weight: 700; letter-spacing: -.3px; }
.prob-row { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-2); margin-top: 5px; }
.prob-row .plabel { width: 90px; font-family: var(--mono); font-size: 11.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.prob-row .pbar { flex: 1; height: 5px; background: var(--border); border-radius: 99px; overflow: hidden; }
.prob-row .pfill { height: 100%; background: var(--accent); border-radius: 99px; }
.meta-line { font-size: 12px; color: var(--text-3); font-family: var(--mono); margin-top: 12px; }

/* logs */
.log-row-summary { display: flex; gap: 14px; align-items: center; cursor: pointer; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.log-row-summary:hover { background: #fafbfc; }
.log-text { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.log-detail { padding: 0 16px 14px; border-bottom: 1px solid var(--border); background: #fafbfc; }
.expand-arrow { color: var(--text-3); font-size: 11px; width: 12px; }

/* config row editor */
.cfg-row { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.cfg-row .cfg-label { width: 150px; flex-shrink: 0; }
.cfg-row .cfg-desc { flex: 1; }
.cfg-row .cfg-level { flex: 1; }
.cfg-row .cfg-idx {
  width: 20px; flex-shrink: 0; text-align: center; font-family: var(--mono);
  font-size: 12px; color: var(--text-3);
}
.cfg-row .cfg-del { flex-shrink: 0; }
.mt-8 { margin-top: 8px; }

/* confirm dialog */
.btn-danger-solid { background: var(--red); border-color: var(--red); color: #fff; }
.btn-danger-solid:hover { background: #d92d20; }
.cd-warn {
  background: var(--red-soft); border: 1px solid #fecdca; border-radius: 10px;
  padding: 14px 16px; margin-bottom: 14px;
}
.cd-warn .cd-title { font-weight: 650; font-size: 15px; }
.cd-warn .cd-sub { font-size: 13px; color: #b42318; margin-top: 4px; line-height: 1.65; }
.cd-list { border: 1px solid var(--border); border-radius: 10px; max-height: 240px; overflow-y: auto; }
.cd-list .cd-head {
  padding: 8px 14px; font-size: 12px; color: var(--text-3); font-weight: 600;
  border-bottom: 1px solid var(--border); background: #fafbfc;
}
.cd-item { display: flex; align-items: center; gap: 10px; padding: 9px 14px; border-bottom: 1px solid var(--border); font-size: 13px; }
.cd-item:last-child { border-bottom: none; }
.cd-item .mono { color: var(--text-3); font-size: 12px; width: 80px; flex-shrink: 0; }
.cd-item .cd-name { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* pagination */
.pager {
  display: flex; align-items: center; gap: 6px; margin-top: 14px; flex-wrap: wrap;
}
.pager .muted { margin-left: auto; }
.pager .btn { min-width: 32px; justify-content: center; }

/* platform shell */
.brand { text-decoration: none; color: inherit; }
.tool-chip {
  margin: 0 10px 14px; padding: 8px 12px; border-radius: 9px;
  background: var(--bg); border: 1px solid var(--border);
  font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 8px;
}
.tool-chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); flex-shrink: 0; }
.tool-chip .muted { font-weight: 400; font-size: 11.5px; margin-left: auto; }

/* shared user menu (avatar dropdown) */
.umenu { position: relative; }
.umenu-btn {
  display: flex; align-items: center; gap: 8px; border: none; background: transparent;
  cursor: pointer; font: inherit; font-size: 13px; color: var(--text-2); padding: 6px 8px;
  border-radius: 8px;
}
.umenu-btn:hover { background: var(--bg); }
.umenu-caret { font-size: 10px; color: var(--text-3); }
.umenu-pop {
  position: absolute; right: 0; top: calc(100% + 6px); min-width: 150px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: 0 8px 24px rgba(16,24,40,.12); padding: 6px; display: none; z-index: 40;
}
.umenu.open .umenu-pop { display: block; }
.umenu-pop a, .umenu-pop button {
  display: block; width: 100%; text-align: left; padding: 8px 12px; border-radius: 7px;
  font: inherit; font-size: 13px; color: var(--text); background: transparent; border: none;
  cursor: pointer; text-decoration: none;
}
.umenu-pop a:hover, .umenu-pop button:hover { background: var(--bg); }
.umenu-pop button { color: var(--red); }

.badge-cat { background: var(--bg); color: var(--text-2); border: 1px solid var(--border); }