:root{--bg:#f0f2f5;--card:#ffffff;--card2:#f7f8fa;--border:#e2e5ea;--border2:#d1d5db;--text:#1f2937;--text2:#6b7280;--muted:#9ca3af;--green:#16a34a;--green-bg:#dcfce7;--red:#dc2626;--red-bg:#fee2e2;--yellow:#d97706;--yellow-bg:#fef3c7;--blue:#2563eb;--blue-bg:#dbeafe;--purple:#7c3aed;--shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04)}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.5}
.muted{color:var(--muted)}
.mono{font-variant-numeric:tabular-nums}
/* topbar */
/* app container - constrained width for readability */
.app{max-width:1140px;margin:0 auto;padding:0 20px;min-height:100vh;display:flex;flex-direction:column}
header{display:flex;align-items:center;gap:10px 14px;padding:12px 0;border-bottom:2px solid var(--border);margin-bottom:16px;flex-wrap:wrap}
.stat{display:flex;flex-direction:column;gap:1px}
.stat label{font-size:11px;color:var(--muted);font-weight:500}
.stat b{font-size:15px;color:var(--text)}
.stat b.green{color:var(--green)}.stat b.red{color:var(--red)}.stat b.yellow{color:var(--yellow)}
.divider{width:1px;height:30px;background:var(--border)}
.engine-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:5px}
.engine-dot.on{background:var(--green);box-shadow:0 0 6px var(--green)}
.engine-dot.off{background:var(--muted)}
.spacer{flex:1}
.btn{background:var(--card);border:1px solid var(--border2);color:var(--text);border-radius:6px;padding:6px 14px;cursor:pointer;font-size:13px;font-family:inherit;box-shadow:var(--shadow);white-space:nowrap}
.btn:hover{border-color:var(--blue);color:var(--blue)}
/* main content fills remaining space */
main{flex:1}
/* sections */
.section{margin-bottom:22px}
.section-head{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.section-head h2{font-size:15px;font-weight:700;color:var(--text)}
.section-head .count{font-size:12px;color:var(--text2);background:var(--card);border:1px solid var(--border);border-radius:4px;padding:2px 8px;white-space:nowrap}
.section-head .bar{flex:1;height:1px;background:var(--border);min-width:20px}
/* S-grade cards */
.rec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.rec-card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px;box-shadow:var(--shadow)}
.rec-card .rc-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:8px}
.rec-card .rc-name{font-size:17px;font-weight:700}
.rec-card .rc-code{color:var(--muted);font-size:12px;margin-left:5px}
.rec-card .rc-strat{font-size:11px;color:var(--blue);background:var(--blue-bg);border-radius:4px;padding:2px 8px;font-weight:600;white-space:nowrap}
.rc-scores{display:flex;gap:12px;margin-bottom:12px}
.rc-scores .sc{flex:1;text-align:center;background:var(--card2);border-radius:8px;padding:8px;min-width:0}
.rc-scores .sc label{display:block;font-size:10px;color:var(--muted);margin-bottom:3px}
.rc-scores .sc b{font-size:17px}
.rc-scores .sc b.ok{color:var(--green)}
.rc-plan{font-size:13px;margin-bottom:10px}
.rc-plan .row{display:flex;justify-content:space-between;align-items:center;padding:4px 0;border-bottom:1px solid var(--card2);gap:8px}
.rc-plan .row:last-child{border-bottom:none}
.rc-plan .row label{color:var(--text2);flex-shrink:0;min-width:70px;font-size:12px}
.rc-plan .buy{color:var(--green);font-weight:600}
.rc-plan .sell{color:var(--blue);font-weight:600}
.rc-plan .stop{color:var(--red);font-weight:600}
.rc-reasons{margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}
.rc-reasons .rc-reasons-title{font-size:12px;color:var(--muted);margin-bottom:4px;font-weight:600}
.rc-reasons li{margin:2px 0;list-style:none;padding-left:14px;position:relative;font-size:13px;color:var(--text)}
.rc-reasons li:before{content:"\25B8";position:absolute;left:0;color:var(--blue)}
/* shadow table */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:13px;min-width:560px}
th{text-align:left;padding:7px 8px;color:var(--muted);font-size:11px;font-weight:600;border-bottom:2px solid var(--border);white-space:nowrap}
td{padding:7px 8px;border-bottom:1px solid var(--border)}
tr:hover td{background:var(--card2)}
.tag{font-size:10px;padding:2px 6px;border-radius:4px;font-weight:600;white-space:nowrap}
.tag.up{color:var(--green);background:var(--green-bg)}
.tag.down{color:var(--red);background:var(--red-bg)}
.tag.wait{color:var(--yellow);background:var(--yellow-bg)}
.bar-cell{display:inline-block;width:40px;height:5px;background:var(--border);border-radius:3px;overflow:hidden;vertical-align:middle;margin-right:4px;flex-shrink:0}
.bar-cell i{display:block;height:100%;border-radius:3px}
/* limit pool */
.pool-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pool-card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:12px;box-shadow:var(--shadow)}
.pool-card h3{font-size:13px;margin-bottom:8px;display:flex;align-items:center;gap:6px}
.pool-card h3 .n{font-size:20px;font-weight:800}
.pool-card.up h3 .n{color:var(--green)}
.pool-card.down h3 .n{color:var(--red)}
.pool-list{display:flex;flex-wrap:wrap;gap:4px}
.pool-chip{font-size:11px;padding:3px 7px;border-radius:5px;background:var(--card2);border:1px solid var(--border);white-space:nowrap}
/* announcements */
.ann-list{max-height:260px;overflow-y:auto}
.ann-row{display:flex;gap:8px;padding:5px 0;border-bottom:1px solid var(--border);font-size:12px;align-items:baseline}
.ann-row .ann-dir{width:14px;flex-shrink:0;text-align:center;font-size:10px}
.ann-row .ann-dir.pos{color:var(--green)}.ann-row .ann-dir.neg{color:var(--red)}.ann-row .ann-dir.neu{color:var(--muted)}
.ann-row .ann-code{color:var(--muted);font-size:11px;width:54px;flex-shrink:0}
.ann-row .ann-title{flex:1;color:var(--text2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.ann-row .ann-time{color:var(--muted);font-size:10px;flex-shrink:0}
/* gate */
.gate{background:var(--card);border:1px solid var(--border);border-left:4px solid var(--yellow);border-radius:8px;padding:12px 16px;box-shadow:var(--shadow)}
.gate .gate-row{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text2)}
/* perf */
.perf-row{display:flex;gap:12px;flex-wrap:wrap}
.perf-item{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:10px 16px;min-width:100px;box-shadow:var(--shadow)}
.perf-item label{display:block;font-size:11px;color:var(--muted);margin-bottom:3px}
.perf-item b{font-size:19px}
.empty{text-align:center;padding:50px 20px;color:var(--muted);font-size:14px}
footer{text-align:center;padding:12px 0;border-top:1px solid var(--border);margin-top:16px}
/* settings modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.35);display:none;align-items:center;justify-content:center;z-index:1000}
.modal-overlay.show{display:flex}
.modal{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:24px;width:90%;max-width:440px;box-shadow:0 8px 30px rgba(0,0,0,.15);max-height:90vh;overflow-y:auto}
.modal h2{font-size:16px;font-weight:700;margin-bottom:16px;display:flex;justify-content:space-between;align-items:center}
.modal h2 .close-btn{cursor:pointer;font-size:20px;color:var(--muted);border:none;background:none;line-height:1}
.modal h2 .close-btn:hover{color:var(--text)}
.modal-row{margin-bottom:14px}
.modal-row label{display:block;font-size:12px;color:var(--text2);margin-bottom:4px;font-weight:500}
.modal-row input[type=text],.modal-row input[type=password],.modal-row input[type=number]{width:100%;border:1px solid var(--border2);border-radius:6px;padding:8px 10px;font-size:13px;font-family:inherit;box-sizing:border-box}
.modal-row input:focus{outline:none;border-color:var(--blue)}
.modal-row .hint{font-size:11px;color:var(--muted);margin-top:3px}
.modal-toggle{display:flex;align-items:center;gap:8px}
.modal-toggle input{width:16px;height:16px;cursor:pointer}
.modal-toggle label{font-size:13px;color:var(--text);font-weight:400;margin:0;cursor:pointer}
.modal-btns{display:flex;gap:8px;justify-content:flex-end;margin-top:18px}
.modal-btns .btn{min-width:72px}
.modal-status{font-size:12px;margin-top:8px;min-height:16px}
.modal-status.ok{color:var(--green)}
.modal-status.err{color:var(--red)}
.gear-btn{font-size:16px;padding:6px 10px;line-height:1}
/* responsive breakpoints */
@media(max-width:1024px){.rec-grid{grid-template-columns:1fr}.rc-scores{gap:8px}.rc-scores .sc b{font-size:15px}}
@media(max-width:760px){.pool-grid{grid-template-columns:1fr}header{gap:8px 10px}.divider{display:none}.stat b{font-size:13px}.perf-item{min-width:80px;padding:8px 12px}.perf-item b{font-size:16px}.rec-card{padding:12px}.section-head h2{font-size:14px}}
@media(max-width:480px){.app{padding:0 12px}.rc-scores{flex-wrap:wrap}.rc-scores .sc{flex:1 1 40%}.rc-plan .row label{min-width:60px;font-size:11px}.pool-chip{font-size:10px;padding:2px 5px}}

/* audit input */
.audit-input{display:flex;gap:8px;align-items:center}
.audit-input input:focus{outline:none;border-color:var(--blue)}
.rc-reasons li.risk{color:var(--red)}
.rc-rows .row label{min-width:70px;font-size:11px;color:var(--muted);display:inline-block}
.rc-rows .row span{font-size:13px}