:root{color-scheme:light;--bg:#eef2ed;--ink:#17322c;--muted:#687d74;--line:#d4ded5;--paper:#fbfcf7;--accent:#a6d854;--x:#de694e;--y:#447bb2;--z:#4f9870;font-family:Inter,"Noto Sans SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}button,input,select{font:inherit}button{cursor:pointer}.site-header{height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,4vw,70px);background:var(--paper)}.brand{display:flex;align-items:center;gap:14px;font-size:15px;font-weight:750;letter-spacing:.02em}.brand-mark{width:39px;height:39px;display:grid;place-items:center;border-radius:10px;background:var(--ink);color:var(--accent);font:700 14px ui-monospace,Consolas,monospace}.brand-sub{color:var(--muted);font-weight:500}.logout{border:0;background:transparent;color:var(--muted);font-size:13px;font-weight:700}.logout:hover{color:var(--ink)}.main-grid{max-width:1480px;margin:auto;padding:42px clamp(22px,4vw,70px) 30px;display:grid;grid-template-columns:minmax(0,1fr) 286px;gap:22px}.intro{grid-column:1/2}.eyebrow,.section-index{font:700 11px ui-monospace,Consolas,monospace;letter-spacing:.16em;color:#5a7d5c;text-transform:uppercase}.intro h1{font-size:clamp(32px,3.6vw,54px);letter-spacing:-.055em;line-height:1.1;margin:13px 0 12px}.title-dot{color:#8dbf41}.intro p{color:var(--muted);font-size:14px;margin:0 0 24px}.top-controls{grid-column:2/3;grid-row:1/2;align-self:center;display:grid;gap:10px}.top-controls label{font-size:12px;font-weight:750;color:var(--muted)}.top-controls select{height:45px;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:0 14px;color:var(--ink);font:650 14px ui-monospace,Consolas,monospace}.live-status{display:flex;align-items:center;gap:8px;min-height:25px;font-size:12px;color:var(--muted)}.status-dot{width:8px;height:8px;background:#aebbb1;border-radius:50%;box-shadow:0 0 0 4px #e1e8e0}.status-dot.live{background:#6ba54a;box-shadow:0 0 0 4px #d7eac9}.status-dot.stale{background:#e19c42;box-shadow:0 0 0 4px #f3e4c8}.chart-card{grid-column:1/2;background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:29px 30px 22px;box-shadow:0 12px 35px #2343320b}.chart-topline{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.chart-topline h2{font-size:22px;letter-spacing:-.035em;margin:10px 0 0}.unit-pill{border:1px solid var(--line);border-radius:100px;padding:7px 12px;color:var(--muted);font-size:11px;white-space:nowrap}.unit-pill strong{color:var(--ink);font-family:ui-monospace,Consolas,monospace;font-size:13px;margin-left:6px}.legend{display:flex;gap:19px;align-items:center;margin:23px 0 12px;font-size:13px}.legend span{white-space:nowrap}.legend b{color:var(--ink);font-weight:650;margin-left:3px}.legend-x{color:var(--x)}.legend-y{color:var(--y)}.legend-z{color:var(--z)}.chart-wrap{height:410px;position:relative}.chart-wrap canvas{height:100%;width:100%;display:block}.chart-empty{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:14px;background:#fbfcf7d6;text-align:center;padding:20px}.chart-empty.hidden{display:none}.axis-caption{border-top:1px solid var(--line);padding-top:15px;text-align:center;color:#5e756b;font-size:12px}.axis-caption span{color:#97a69c}.metrics{grid-column:2/3;display:flex;flex-direction:column;gap:12px}.metric{border:1px solid var(--line);background:var(--paper);border-radius:12px;min-height:91px;padding:18px 20px;display:flex;flex-direction:column;justify-content:space-between}.metric span{font-size:11px;font-weight:700;color:var(--muted)}.metric strong{font:700 16px ui-monospace,Consolas,monospace;white-space:normal;word-break:break-all}.footnote{grid-column:1/-1;color:#82968a;font-size:11px;padding:5px 0}.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 85% 15%,#dceac5 0,transparent 35%),var(--bg)}.login-card{width:min(100%,430px);background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 75px #193d261a;padding:38px}.login-card h1{font-size:32px;letter-spacing:-.055em;margin:20px 0 10px}.login-card p{font-size:14px;color:var(--muted);margin:0 0 35px}.login-card form{display:grid;gap:11px}.login-card label{font-size:12px;font-weight:750}.login-card input[type=password]{height:48px;border:1px solid #bdcfc0;border-radius:8px;padding:0 13px;background:#fff;outline:none}.login-card input:focus,.top-controls select:focus{border-color:#61944d;box-shadow:0 0 0 3px #a6d8545c}.login-card button{height:48px;border:0;border-radius:8px;background:var(--ink);color:#fff;font-weight:750;text-align:left;padding:0 18px;display:flex;justify-content:space-between;align-items:center}.login-card button:hover{background:#2b5644}.login-card small{display:block;color:#8ea196;margin-top:34px;font-size:11px}.form-error{background:#fceae4;color:#ab4d3d;border-radius:7px;padding:10px;font-size:12px;margin-bottom:17px}@media(max-width:850px){.main-grid{grid-template-columns:1fr;padding-top:30px}.intro,.top-controls,.chart-card,.metrics,.footnote{grid-column:1}.top-controls{grid-row:auto;align-self:auto}.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.chart-wrap{height:340px}.intro p{margin-bottom:0}}@media(max-width:520px){.brand-sub{display:none}.site-header{height:63px}.main-grid{gap:17px;padding-left:16px;padding-right:16px}.chart-card{padding:20px 15px 17px}.chart-topline h2{font-size:19px}.chart-wrap{height:280px}.axis-caption span{display:block;margin-top:3px}.metrics{gap:9px}.metric{min-height:84px;padding:14px}.metric strong{font-size:13px}.login-card{padding:29px}}