:root{
  color-scheme:dark;--bg:#07100f;--panel:#0d1917;--panel2:#11231f;--line:#203832;
  --text:#ecf6f2;--muted:#88a69d;--mint:#55e6b2;--mint2:#1ba97c;--warn:#ffbd59;
  --danger:#ff6b6b;--blue:#70a7ff;--radius:18px;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif
}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 70% 0,#123029 0,transparent 34%),var(--bg);color:var(--text)}
button,input,select,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.muted{color:var(--muted)}.error{color:var(--danger);min-height:1.4em}
.eyebrow{color:var(--mint);font-size:11px;font-weight:800;letter-spacing:.16em;margin:0 0 8px}
.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:100%;max-width:420px;min-width:0;padding:38px;background:rgba(13,25,23,.94);border:1px solid var(--line);border-radius:26px;box-shadow:0 24px 80px #0008}.login-card h1{font-size:32px;margin:0 0 8px}.login-card label{display:grid;gap:8px;margin:22px 0;color:var(--muted)}input,select,textarea{background:#091411;color:var(--text);border:1px solid var(--line);border-radius:10px;padding:11px 12px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--mint)}
button{border:0;border-radius:10px;padding:11px 16px;background:var(--mint);color:#06110e;font-weight:800}.login-card button{width:100%}.secondary{background:#17342c;color:var(--mint)}.ghost{background:transparent;color:var(--muted);padding:6px}
.app-shell{min-height:100vh;display:grid;grid-template-columns:230px 1fr}aside{position:sticky;top:0;height:100vh;padding:26px 18px;background:#081310e8;border-right:1px solid var(--line);display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;padding:0 8px 25px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;background:var(--mint);color:#06110e;border-radius:12px;font-weight:900}.brand small{display:block;color:var(--muted);margin-top:3px}nav{display:grid;gap:5px}nav button{text-align:left;color:var(--muted);background:transparent;font-weight:650}nav button.active,nav button:hover{color:var(--text);background:#142a24}.aside-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;color:var(--muted);padding:12px 8px}
main{min-width:0;padding:34px clamp(20px,4vw,56px) 60px}header{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}header h2{font-size:30px;margin:0}.header-actions{display:flex;align-items:end;gap:10px}.header-actions label{display:grid;gap:5px;color:var(--muted);font-size:12px}
.grid{display:grid;gap:14px}.metrics{grid-template-columns:repeat(5,minmax(0,1fr))}.two{grid-template-columns:1.25fr .75fr}.three{grid-template-columns:repeat(3,1fr)}.card{background:linear-gradient(145deg,rgba(18,38,33,.96),rgba(11,24,21,.96));border:1px solid var(--line);border-radius:var(--radius);padding:18px;overflow:hidden}.card h3{margin:0 0 16px;font-size:16px}.metric .label{font-size:12px;color:var(--muted)}.metric .value{font-size:28px;font-weight:850;margin:10px 0 4px}.delta{font-size:12px}.up{color:var(--mint)}.down{color:var(--danger)}.flat{color:var(--muted)}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:26px 0 12px}.section-head h3{margin:0}.badge{display:inline-block;border-radius:999px;padding:4px 8px;font-size:11px;font-weight:800;background:#17342c;color:var(--mint);white-space:nowrap}.badge.danger{background:#421e20;color:#ff9494}.badge.warn{background:#3b2d17;color:#ffd17e}.badge.neutral{background:#1c2926;color:var(--muted)}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap}th{position:sticky;top:0;background:#10211d;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.05em}tbody tr:hover{background:#132720}tbody tr:last-child td{border-bottom:0}.right{text-align:right}.empty{padding:48px;text-align:center;color:var(--muted)}
.watermark{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--line)}.watermark:last-child{border:0}.alert{display:grid;grid-template-columns:8px 1fr auto;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}.alert-dot{width:8px;height:8px;border-radius:50%;margin-top:6px;background:var(--warn)}.alert-dot.danger{background:var(--danger)}.alert-dot.opportunity{background:var(--mint)}.alert h4{margin:0 0 6px}.alert p{margin:4px 0;color:var(--muted)}.action-form,.experiment-form{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.action-form .wide,.experiment-form .wide{grid-column:1/-1}textarea{min-height:88px;resize:vertical}
#toast{position:fixed;right:22px;bottom:22px;background:#18372e;color:var(--text);padding:12px 16px;border:1px solid #2c5b4d;border-radius:10px;opacity:0;transform:translateY(8px);transition:.2s;pointer-events:none}#toast.show{opacity:1;transform:none}
@media(max-width:1100px){.metrics{grid-template-columns:repeat(3,1fr)}.two{grid-template-columns:1fr}}@media(max-width:760px){.app-shell{display:block}aside{height:auto;position:static;padding:14px}.brand{padding:0 4px 12px}nav{display:flex;overflow:auto}nav button{white-space:nowrap}.aside-foot{display:none}main{padding:22px 14px}header{align-items:start;flex-direction:column}.metrics,.three{grid-template-columns:repeat(2,1fr)}.action-form,.experiment-form{grid-template-columns:1fr}.action-form .wide,.experiment-form .wide{grid-column:auto}}@media(max-width:430px){.login-shell{padding:16px}.login-card{padding:28px 22px}.login-card h1{font-size:28px}.metrics,.three{grid-template-columns:1fr}.metric .value{font-size:25px}}