:root{font-family:Inter,Hiragino Sans,Yu Gothic,sans-serif;color:#10234f;background:#f7f9fc;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-width:320px;background:#f7f9fc}button,input{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;display:grid;grid-template-columns:244px minmax(0,1fr)}.sidebar{background:#fff;border-right:1px solid #dfe6f1;padding:28px 14px 18px;display:flex;flex-direction:column;min-height:100vh;position:sticky;top:0;height:100vh}.brand{color:#1268e8;font-size:25px;font-weight:800;letter-spacing:0;padding:0 14px 32px}.brand span{color:#64748b;font-size:13px;font-weight:700;margin-left:7px}.sidebar nav{display:grid;gap:4px}.nav-item{border:0;background:transparent;color:#4d5e7c;text-align:left;padding:12px 13px;display:flex;align-items:center;gap:13px;font-size:14px;font-weight:650;border-radius:5px}.nav-item:hover{background:#f0f5ff;color:#1268e8}.nav-item.selected{background:#eaf2ff;color:#1268e8;box-shadow:inset 3px 0 #1268e8}.sidebar-bottom{margin-top:auto;border-top:1px solid #e5ebf4;padding-top:16px}.admin-identity{display:flex;gap:10px;align-items:center;padding:0 10px 15px}.avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#173e91;color:#fff;font-size:13px;font-weight:800}.admin-identity strong,.admin-identity small{display:block;max-width:145px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.admin-identity strong{font-size:12px}.admin-identity small{font-size:11px;color:#7d8aa2;margin-top:3px}main{min-width:0}.topbar{height:78px;background:#fff;border-bottom:1px solid #dfe6f1;display:flex;justify-content:space-between;align-items:center;padding:0 38px}.search-box{height:40px;width:min(450px,48vw);border:1px solid #d8e1ee;color:#6b7a94;display:flex;align-items:center;gap:10px;padding:0 13px;border-radius:5px}.search-box:focus-within{border-color:#1268e8;box-shadow:0 0 0 3px #eaf2ff}.search-box input{min-width:0;border:0;outline:0;width:100%;color:#10234f;font-size:14px}.topbar-actions{display:flex;gap:15px;align-items:center}.timezone{font-size:12px;color:#71809a}.icon-button{width:38px;height:38px;display:grid;place-items:center;border:1px solid #d8e1ee;border-radius:5px;color:#31517f;background:#fff}.icon-button:hover{border-color:#1268e8;color:#1268e8}.page{max-width:1500px;padding:34px 38px 54px;margin:0 auto}.page-heading{display:flex;gap:20px;align-items:flex-start;justify-content:space-between;margin-bottom:28px}.page-heading h1{margin:0;font-size:26px;letter-spacing:0}.preview-notice,.section-description{margin:8px 0 0;color:#6a7891;font-size:13px}.date-control{display:flex;height:40px;background:#fff;border:1px solid #d8e1ee;border-radius:5px}.date-control button{width:38px;border:0;color:#445978;background:#fff;display:grid;place-items:center}.date-control button:first-child{border-right:1px solid #d8e1ee}.date-control button:last-child{border-left:1px solid #d8e1ee}.date-control label{padding:0 12px;display:flex;align-items:center;gap:8px}.date-control input{border:0;outline:0;color:#233657;font-size:13px}.notice{background:#fff8df;border:1px solid #f1d27b;color:#775400;padding:12px 14px;display:flex;gap:9px;align-items:center;border-radius:5px;margin-bottom:20px;font-size:13px}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:30px}.metric{background:#fff;border:1px solid #dfe6f1;padding:18px 20px;min-height:117px;border-radius:6px}.metric span{display:block;color:#61708a;font-size:13px;font-weight:650}.metric strong{display:block;margin-top:17px;font-size:29px;line-height:1;letter-spacing:0}.blue{color:#1268e8}.green{color:#169367}.coral{color:#dc4c55}.data-section{background:#fff;border:1px solid #dfe6f1;border-radius:6px;overflow:hidden;margin-bottom:20px}.section-title{min-height:62px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e4eaf3}.section-title h2{margin:0;font-size:16px;letter-spacing:0}.text-button{border:0;color:#1268e8;background:transparent;font-size:13px;font-weight:700;display:flex;gap:3px;align-items:center}.split-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.split-grid .data-section{min-width:0}table{width:100%;border-collapse:collapse;font-size:13px}th{height:40px;background:#f8faff;color:#66758e;text-align:left;padding:0 16px;font-weight:700;white-space:nowrap}td{border-top:1px solid #e6ebf3;min-height:52px;padding:11px 16px;color:#233657;vertical-align:middle}td strong,td small{display:block}td strong{font-size:13px}td small{color:#8290a6;font-size:11px;margin-top:3px}.mono{font-family:SF Mono,ui-monospace,monospace;color:#245eb7;font-size:12px}.status{display:inline-flex;align-items:center;min-height:24px;padding:0 8px;font-size:11px;font-weight:750;border-radius:4px}.status.success{color:#0e8057;background:#e6f6ee}.status.warning{color:#9b6200;background:#fff2d8}.status.neutral{color:#5f6f86;background:#eef2f7}.empty-cell{text-align:center;color:#71809a;padding:33px}.table-toolbar{padding:14px 20px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e4eaf3}.table-toolbar p{margin:0;color:#61708a;font-size:13px}.secondary-button,.primary-button{border:1px solid #1268e8;border-radius:5px;background:#fff;color:#1268e8;padding:8px 12px;font-size:13px;font-weight:750}.primary-button{background:#1268e8;color:#fff;padding:11px 15px;width:100%}.secondary-button:hover{background:#eaf2ff}.clickable-row{cursor:pointer}.clickable-row:hover td{background:#f0f5ff}.clickable-row:hover strong{color:#1268e8}.detail-modal-backdrop{position:fixed;z-index:50;top:0;right:0;bottom:0;left:0;background:#10234f59;padding:32px;overflow-y:auto}.user-detail{width:min(1180px,100%);margin:0 auto;padding:0 24px 24px;border-top:3px solid #1268e8;background:#f7f9fc;box-shadow:0 20px 56px #10234f3d}.detail-heading{display:flex;justify-content:space-between;align-items:flex-start;padding:22px 0 18px}.detail-heading h2{margin:0;font-size:23px}.detail-heading p{margin:7px 0 0;color:#71809a;font-size:13px}.detail-metrics{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));border:1px solid #dfe6f1;background:#fff;margin-bottom:20px}.detail-metrics>div{padding:15px;border-right:1px solid #e5ebf4}.detail-metrics>div:last-child{border-right:0}.detail-metrics span{display:block;color:#71809a;font-size:11px}.detail-metrics strong{display:block;margin-top:7px;color:#173e91;font-size:19px}.detail-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}.detail-grid .data-section{min-width:0}.problem-detail{width:min(780px,100%);margin:0 auto;padding:0 24px 24px;border-top:3px solid #1268e8;background:#f7f9fc;box-shadow:0 20px 56px #10234f3d}.problem-meta{margin:0 0 5px!important;color:#1268e8!important;font-weight:700}.problem-content{border:1px solid #dfe6f1;background:#fff;padding:20px;margin-bottom:16px}.problem-content h3{margin:0 0 14px;font-size:15px}.problem-content p{margin:0;color:#233657;font-size:15px;line-height:1.8}.problem-question{font-weight:700;font-size:18px!important}.choice-list{display:grid;gap:9px;margin-top:20px}.problem-choice{min-height:48px;display:flex;align-items:center;gap:12px;border:1px solid #dfe6f1;padding:9px 12px;color:#233657}.problem-choice b{width:26px;height:26px;display:grid;place-items:center;background:#eaf2ff;color:#1268e8;border-radius:50%;font-size:12px}.problem-choice span{flex:1}.problem-choice em{color:#0e8057;font-size:12px;font-style:normal;font-weight:700}.problem-choice.correct-choice{border-color:#79cfa9;background:#f1fbf6}.problem-content ol{margin:14px 0 0;padding-left:22px;color:#41536f;font-size:14px;line-height:1.9}.level-filter{display:flex;align-items:center;gap:8px;color:#61708a;font-size:12px;font-weight:700}.level-filter select{height:32px;border:1px solid #d8e1ee;border-radius:5px;background:#fff;color:#233657;padding:0 8px;font-size:13px}.login{display:grid;place-items:center;min-height:100vh;background:#f7f9fc}.login-panel{width:min(420px,calc(100vw - 40px));background:#fff;border:1px solid #dfe6f1;border-radius:7px;padding:40px;box-shadow:0 12px 42px #10234f14}.login-panel .brand{padding:0 0 28px}.login-panel h1{font-size:23px;margin:0 0 10px}.login-panel p{color:#64748b;font-size:14px;line-height:1.7;margin:0 0 24px}.login-label{display:grid;gap:7px;color:#41536f;font-size:12px;font-weight:700;margin:0 0 16px}.login-label input{height:43px;border:1px solid #d8e1ee;border-radius:5px;padding:0 12px;color:#10234f;outline:0}.login-label input:focus{border-color:#1268e8;box-shadow:0 0 0 3px #eaf2ff}.primary-button:disabled{opacity:.45;cursor:not-allowed}.login-resend{margin:12px auto 0}.login-message{margin-top:18px!important;color:#9b6200!important}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:980px){.app-shell{grid-template-columns:70px minmax(0,1fr)}.sidebar{padding:24px 8px 14px;align-items:center}.brand{font-size:0;padding:0 0 30px}.brand:first-letter{font-size:25px}.brand span,.nav-item:not(.selected):after,.nav-item{font-size:0}.nav-item{justify-content:center;padding:13px}.nav-item svg{flex:0 0 auto}.nav-item.selected{box-shadow:none}.admin-identity span:last-child,.sidebar-bottom .nav-item{display:none}.split-grid,.detail-grid{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.topbar,.page{padding-left:22px;padding-right:22px}}@media(max-width:640px){.app-shell{display:block}.sidebar{position:static;height:auto;min-height:0;flex-direction:row;padding:10px;border-right:0;border-bottom:1px solid #dfe6f1;overflow-x:auto}.brand,.sidebar-bottom{display:none}.sidebar nav{grid-auto-flow:column;grid-template-columns:repeat(6,48px)}.topbar{height:62px;padding:0 16px}.search-box{width:100%}.timezone{display:none}.page{padding:22px 16px 34px;overflow:hidden}.page-heading{display:grid;gap:16px}.metrics{gap:10px}.metric{padding:15px;min-height:95px}.metric strong{font-size:24px;margin-top:14px}.data-section{overflow-x:auto}.data-section table{min-width:680px}.split-grid{gap:14px}.detail-modal-backdrop{padding:12px}.user-detail{padding:0 14px 16px}.detail-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-metrics>div:nth-child(2n){border-right:0}}
