:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --panel-2: #f0f2f5;
  --border: #e3e6eb;
  --text: #1b1f27;
  --muted: #6b7280;
  --faint: #9aa1ad;
  --accent: #3b5bdb;
  --accent-soft: #e7ecff;
  --up: #0f9d6b;
  --up-soft: #e3f6ee;
  --down: #d9434f;
  --down-soft: #fdebed;
  --warn: #c77d0a;
  --warn-soft: #fdf3e1;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1116; --panel: #161a21; --panel-2: #1d222b; --border: #262c37; --text: #e6e9ef;
    --muted: #9aa3b2; --faint: #6b7483; --accent: #7c93ff; --accent-soft: #1f2748;
    --up: #2fbf88; --up-soft: #12301f; --down: #f0616d; --down-soft: #3a1a1e; --warn: #e6a23c; --warn-soft: #33270f;
    --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e1116; --panel: #161a21; --panel-2: #1d222b; --border: #262c37; --text: #e6e9ef;
  --muted: #9aa3b2; --faint: #6b7483; --accent: #7c93ff; --accent-soft: #1f2748;
  --up: #2fbf88; --up-soft: #12301f; --down: #f0616d; --down-soft: #3a1a1e; --warn: #e6a23c; --warn-soft: #33270f;
  --shadow: none; color-scheme: dark;
}
/* 红涨绿跌 */
:root[data-colors="cn"] { --up: #d9434f; --up-soft: #fdebed; --down: #0f9d6b; --down-soft: #e3f6ee; }
:root[data-colors="cn"][data-theme="dark"] { --up: #f0616d; --up-soft: #3a1a1e; --down: #2fbf88; --down-soft: #12301f; }

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; }
button { font: inherit; color: inherit; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.up { color: var(--up); } .down { color: var(--down); } .muted { color: var(--muted); } .faint { color: var(--faint); }
.hidden { display: none !important; }

/* ---------- login ---------- */
#login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-box { width: 100%; max-width: 360px; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 28px; box-shadow: var(--shadow); }
.login-box h1 { margin: 0 0 4px; font-size: 20px; }
.login-box p { margin: 0 0 20px; color: var(--muted); }
.login-box input { width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); font-size: 15px; }
.login-box button { margin-top: 12px; width: 100%; padding: 10px; border: 0; border-radius: 8px; background: var(--accent); color: #fff; font-weight: 600; cursor: pointer; }
.login-err { color: var(--down); min-height: 20px; margin-top: 8px; font-size: 13px; }

/* ---------- layout ---------- */
.wrap { max-width: 1440px; margin: 0 auto; padding: 16px; display: grid; gap: 16px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); min-width: 0; }
.panel-h { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.panel-h h2 { margin: 0; font-size: 15px; font-weight: 650; }
.panel-b { padding: 14px 16px; }
.help { display: inline-grid; place-items: center; width: 17px; height: 17px; border-radius: 50%; border: 1px solid var(--border); color: var(--muted); font-size: 11px; cursor: help; position: relative; flex: none; }
.help:hover::after, .help:focus::after { content: attr(data-tip); position: absolute; z-index: 50; top: 22px; left: 50%; transform: translateX(-50%); width: min(280px, 70vw); background: var(--text); color: var(--bg); padding: 8px 10px; border-radius: 8px; font-size: 12px; line-height: 1.5; white-space: normal; font-weight: 400; }

/* ---------- top bar ---------- */
.topbar { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.brand h1 { margin: 0; font-size: 18px; letter-spacing: .2px; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); white-space: nowrap; }
.badge.live { background: var(--up-soft); color: var(--up); border-color: transparent; }
.badge.mock { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); display: inline-block; }
.dot.ok { background: var(--up); } .dot.bad { background: var(--down); } .dot.warn { background: var(--warn); }
.top-actions { display: flex; gap: 6px; align-items: center; }
.icon-btn { border: 1px solid var(--border); background: var(--panel); border-radius: 8px; padding: 5px 9px; cursor: pointer; font-size: 12px; color: var(--muted); }
.icon-btn:hover { color: var(--text); }

.stats { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow); min-width: 0; }
.stat .k { color: var(--muted); font-size: 12px; display: flex; gap: 6px; align-items: center; }
.stat .v { font-size: 20px; font-weight: 650; margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stat .s { color: var(--muted); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- symbol cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); cursor: pointer; transition: border-color .15s; min-width: 0; position: relative; }
.card.sel { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.card-top { display: flex; align-items: center; gap: 8px; }
.card-top .sym { font-weight: 700; font-size: 15px; }
.card-top .chip { margin-left: auto; }
.chip { display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 12px; font-weight: 600; background: var(--panel-2); color: var(--muted); white-space: nowrap; }
.chip.long { background: var(--up-soft); color: var(--up); }
.chip.short { background: var(--down-soft); color: var(--down); }
.chip.warn { background: var(--warn-soft); color: var(--warn); }
.chip.acc { background: var(--accent-soft); color: var(--accent); }
.price-row { display: flex; align-items: baseline; gap: 10px; margin-top: 6px; }
.price { font-size: 24px; font-weight: 650; transition: color .4s; }
.price.flash-up { color: var(--up); } .price.flash-down { color: var(--down); }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; margin-top: 10px; font-size: 13px; }
.kv .k { color: var(--muted); } .kv .v { text-align: right; }
.view { margin-top: 12px; padding: 10px 12px; border-radius: 10px; background: var(--panel-2); }
.view .t { display: flex; align-items: baseline; gap: 8px; }
.view .big { font-size: 18px; font-weight: 700; }
.view .sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.bar { height: 6px; border-radius: 3px; background: var(--border); overflow: hidden; margin-top: 6px; }
.bar > i { display: block; height: 100%; background: var(--accent); border-radius: 3px; }
.rangebar { position: relative; height: 22px; margin: 12px 2px 2px; }
.rangebar .track { position: absolute; top: 9px; left: 0; right: 0; height: 4px; border-radius: 2px; background: linear-gradient(90deg, var(--down-soft), var(--panel-2) 50%, var(--up-soft)); }
.rangebar .m { position: absolute; top: 3px; width: 2px; height: 16px; border-radius: 1px; }
.rangebar .m.sl { background: var(--down); } .rangebar .m.tp { background: var(--up); } .rangebar .m.en { background: var(--faint); }
.rangebar .m.px { background: var(--text); width: 3px; top: 1px; height: 20px; }
.rangebar-l { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); }
.card-foot { display: flex; align-items: center; gap: 8px; margin-top: 12px; font-size: 12px; color: var(--muted); }
.card-foot .cd { margin-left: auto; }
.menu-btn { border: 0; background: transparent; cursor: pointer; color: var(--muted); padding: 0 4px; font-size: 18px; line-height: 1; }
.menu { position: absolute; right: 12px; top: 40px; z-index: 30; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,.15); padding: 4px; min-width: 140px; }
.menu button { display: block; width: 100%; text-align: left; border: 0; background: transparent; padding: 8px 10px; border-radius: 6px; cursor: pointer; }
.menu button:hover { background: var(--panel-2); }
.menu button.danger { color: var(--down); }

/* ---------- main area ---------- */
.main { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.seg { display: inline-flex; background: var(--panel-2); border-radius: 8px; padding: 2px; }
.seg button { border: 0; background: transparent; padding: 3px 10px; border-radius: 6px; cursor: pointer; font-size: 12px; color: var(--muted); }
.seg button.on { background: var(--panel); color: var(--text); box-shadow: var(--shadow); }
.chart { height: 380px; }
.eq-chart { height: 150px; border-top: 1px solid var(--border); }
.legend { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--muted); padding: 8px 16px; }
.legend i { display: inline-block; width: 12px; height: 2px; vertical-align: middle; margin-right: 4px; }

/* ---------- thinking panel ---------- */
.step { padding: 12px 16px; border-bottom: 1px solid var(--border); }
.step:last-child { border-bottom: 0; }
.step-h { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); font-weight: 600; margin-bottom: 8px; }
.step-h .n { display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-size: 11px; }
.spec { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 4px 10px; align-items: center; margin-bottom: 10px; }
.spec:last-child { margin-bottom: 0; }
.spec .name { font-weight: 600; font-size: 13px; }
.gauge { position: relative; height: 8px; border-radius: 4px; background: linear-gradient(90deg, var(--down-soft), var(--panel-2), var(--up-soft)); }
.gauge i { position: absolute; top: -3px; width: 4px; height: 14px; border-radius: 2px; background: var(--text); transform: translateX(-2px); }
.spec .desc { grid-column: 2; font-size: 12px; color: var(--muted); }
.probs { display: grid; gap: 4px; }
.prow { display: grid; grid-template-columns: 92px minmax(0, 1fr) 42px; gap: 8px; align-items: center; font-size: 12px; }
.prow .pb { height: 8px; border-radius: 4px; background: var(--panel-2); overflow: hidden; }
.prow .pb i { display: block; height: 100%; background: var(--faint); }
.prow.top .pb i { background: var(--accent); }
.prow.top { font-weight: 650; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 6px 8px; text-align: right; white-space: nowrap; font-size: 12px; }
th { color: var(--muted); font-weight: 600; border-bottom: 1px solid var(--border); }
th:first-child, td:first-child { text-align: left; }
tr.best td { background: var(--accent-soft); }
tbody tr + tr td { border-top: 1px solid var(--border); }
.tbl-wrap { overflow-x: auto; }
.verdict { padding: 10px 12px; border-radius: 10px; font-size: 13px; line-height: 1.6; }
.verdict.exec { background: var(--up-soft); }
.verdict.block { background: var(--panel-2); }
.gates { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 3px; font-size: 12px; }
.gates li { display: flex; gap: 6px; }
.gates .ok { color: var(--up); } .gates .no { color: var(--down); }
.empty { color: var(--muted); padding: 24px 16px; text-align: center; font-size: 13px; }

/* ---------- tabs ---------- */
.tabs-h { display: flex; gap: 4px; padding: 8px 12px 0; border-bottom: 1px solid var(--border); overflow-x: auto; }
.tabs-h button { border: 0; background: transparent; padding: 8px 12px; cursor: pointer; color: var(--muted); border-bottom: 2px solid transparent; white-space: nowrap; font-weight: 600; }
.tabs-h button.on { color: var(--text); border-bottom-color: var(--accent); }
.tab-tools { display: flex; gap: 8px; align-items: center; padding: 10px 16px; flex-wrap: wrap; }
.tab-tools select { padding: 4px 8px; border-radius: 6px; border: 1px solid var(--border); background: var(--panel); color: var(--text); }
.feed { list-style: none; margin: 0; padding: 0; }
.feed li { display: grid; grid-template-columns: 64px 80px 96px 60px minmax(0, 1fr); gap: 10px; padding: 9px 16px; border-top: 1px solid var(--border); font-size: 13px; cursor: pointer; align-items: center; }
.feed li:hover { background: var(--panel-2); }
.feed li .reason { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.feed li.exec .reason { color: var(--text); }
.more { display: block; margin: 8px auto 14px; }
.score-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; padding: 0 16px 16px; }
.score-card { border: 1px solid var(--border); border-radius: 10px; padding: 12px; display: grid; grid-template-columns: minmax(0, 1fr) 120px; gap: 10px; }
.score-card h3 { margin: 0 0 6px; font-size: 13px; }
.score-card .kv { margin-top: 0; font-size: 12px; }
.doc { padding: 4px 20px 20px; max-width: 900px; line-height: 1.75; }
.doc h3 { margin: 18px 0 6px; font-size: 15px; }
.doc p, .doc li { color: var(--text); font-size: 13.5px; }
.doc code { font-family: var(--mono); background: var(--panel-2); padding: 1px 5px; border-radius: 4px; font-size: 12px; }

/* ---------- modal & toast ---------- */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 100; display: grid; place-items: center; padding: 16px; }
.modal-box { background: var(--panel); border-radius: 14px; width: min(920px, 100%); max-height: 90vh; overflow: auto; border: 1px solid var(--border); }
.modal-box .panel-h { position: sticky; top: 0; background: var(--panel); z-index: 1; }
.modal-box .close { margin-left: auto; }
pre.json { font-family: var(--mono); font-size: 12px; background: var(--panel-2); padding: 12px; border-radius: 8px; overflow: auto; max-height: 360px; white-space: pre-wrap; word-break: break-word; }
details { margin-top: 10px; }
summary { cursor: pointer; color: var(--accent); font-size: 13px; }
.toasts { position: fixed; right: 16px; bottom: 16px; z-index: 120; display: grid; gap: 8px; max-width: min(360px, calc(100vw - 32px)); }
.toast { background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 10px; font-size: 13px; box-shadow: 0 8px 24px rgba(0,0,0,.2); animation: tin .2s ease-out; }
@keyframes tin { from { transform: translateY(8px); opacity: 0; } }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .main { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 760px) {
  .wrap { padding: 12px 16px; gap: 12px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .stat .v { font-size: 17px; }
  .cards { grid-template-columns: minmax(0, 1fr); }
  .chart { height: 300px; }
  .feed li { grid-template-columns: 56px 70px minmax(0, 1fr); }
  .feed li .conf, .feed li .res { display: none; }
  .feed li .reason { grid-column: 1 / -1; white-space: normal; }
  .score-card { grid-template-columns: minmax(0, 1fr); }
}