:root{color-scheme:light;font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif;background:#f3f5f9}html,body,#root{margin:0;min-height:100%}body{background:linear-gradient(180deg,#eef3ff,#f7f8fb 18%,#fff)}.shell{min-height:100vh}.sidebar{background:#121826!important}.brand{display:flex;gap:12px;align-items:center;padding:20px 18px 10px;color:#fff}.brand-mark{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,#4f7cff,#29c3ff);display:grid;place-items:center;font-weight:700}.brand-name{font-size:18px;font-weight:700}.brand-sub{font-size:12px;color:#ffffffb3}.topbar{display:flex;align-items:center;justify-content:flex-end;background:#ffffffc7;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid #e6eaf2}.content{padding:24px}.page-stack{display:grid;gap:18px}.hero-card,.panel-card,.metric-card{border-radius:14px;box-shadow:0 12px 34px #1a2c5514}.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.result-grid{display:grid;gap:14px}.tier-row{display:grid;grid-template-columns:90px 88px 1fr;gap:10px;padding:10px 0;border-bottom:1px solid #edf0f5}.tier-row:last-child{border-bottom:0}.list{margin:0;padding-left:20px}.auth-shell{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 20%,#dbeafe 0,transparent 28%),linear-gradient(135deg,#f8fafc,#eef2ff)}.auth-card{width:min(420px,calc(100vw - 40px));border-radius:16px;box-shadow:0 18px 50px #23305324}