:root{color:#1d120a;background:radial-gradient(circle at top left,rgba(236,190,145,.75),transparent 28%),radial-gradient(circle at bottom right,rgba(89,121,140,.22),transparent 24%),#f6efe4}*{box-sizing:border-box}body{margin:0;min-width:1200px;font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;color:#1d120a}.login-shell{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;padding:48px;gap:32px}.login-hero{padding:24px}.login-hero .eyebrow{color:#915424;text-transform:uppercase;letter-spacing:.18em;font-size:12px;margin-bottom:16px}.login-hero h1{font-size:64px;line-height:1.05;margin:0 0 16px}.login-hero p{max-width:520px;font-size:18px;line-height:1.7}.login-card{border-radius:28px;box-shadow:0 24px 60px #44270c14}.admin-layout{min-height:100vh}.admin-sider{background:#fffaf5d9!important;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-right:1px solid rgba(145,84,36,.12)}.brand-block{padding:28px 24px 20px;display:flex;flex-direction:column;gap:6px}.brand-block p{margin:0;color:#915424;font-size:12px;letter-spacing:.12em;text-transform:uppercase}.brand-block strong{font-size:24px}.brand-block span{color:#7c644d}.admin-header{display:flex;justify-content:space-between;align-items:center;padding:0 24px;background:transparent}.admin-content{padding:8px 24px 24px}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.trend-row{display:grid;grid-template-columns:64px 1fr 60px;align-items:center;gap:12px;width:100%}.trend-bar{height:10px;background:#ead8c0;border-radius:999px;overflow:hidden}.trend-bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#c45a1b,#d48d52)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 16px}.form-grid.narrow{grid-template-columns:180px 1fr}.review-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.dimension-score-grid{display:grid;grid-template-columns:repeat(2,minmax(260px,1fr));gap:12px 20px;margin-bottom:24px}.dimension-score-row{display:grid;grid-template-columns:190px minmax(0,1fr);align-items:center;gap:12px}.dimension-score-label{display:flex;justify-content:space-between;gap:8px;white-space:nowrap}.dimension-score-label span{color:#7c644d}.class-toolbar{display:flex;width:100%;align-items:center;justify-content:space-between;gap:12px}