.concept-library{color:var(--text)}.concept-library button{font:inherit;cursor:pointer}.concept-library button:disabled{cursor:default;opacity:.4}.concept-library button:focus-visible,.concept-library input:focus-visible,.concept-library a:focus-visible{outline:3px solid var(--primary);outline-offset:3px}.concept-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:26px;display:flex}.concept-heading h1{letter-spacing:-.04em;margin:7px 0 8px;font-size:clamp(24px,3vw,32px)}.concept-heading p,.concept-panel header p{color:var(--muted);margin:0;line-height:1.65}.concept-eyebrow{letter-spacing:.12em;color:var(--primary);font-size:11px;font-weight:800}.concept-count{white-space:nowrap;border:1px solid var(--border);background:var(--surface);color:var(--muted);border-radius:8px;padding:8px 12px;font-size:12px}.concept-layout{grid-template-columns:230px minmax(0,1fr);align-items:start;gap:24px;display:grid}.concept-nav{gap:5px;display:grid}.concept-nav a{text-align:left;color:var(--muted);background:0 0;border:1px solid #0000;border-radius:8px;align-items:center;gap:10px;min-height:46px;padding:12px;font-size:13px;text-decoration:none;display:flex}.concept-nav a>span{opacity:.7;font-size:11px}.concept-nav a>svg{flex-shrink:0;margin-left:auto}.concept-nav a[aria-current=page]{background:var(--surface);border-color:var(--border);color:var(--primary);font-weight:700;box-shadow:0 2px 8px #00000004}.concept-nav a:hover{background:var(--surface-alt)}.concept-panel{background:var(--surface);border:1px solid var(--border);border-radius:8px;min-width:0;padding:28px}.concept-panel h2{letter-spacing:-.03em;margin:9px 0;font-size:24px}.concept-demo{border:1px solid var(--border);background:var(--surface-alt);border-radius:8px;margin:24px 0;padding:22px}.concept-step-controls{flex-wrap:wrap;gap:8px;display:flex}.concept-step-controls button,.concept-comparison-tabs button{color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:8px;align-items:center;gap:7px;min-height:44px;padding:10px 12px;font-size:12px;display:flex}.concept-step-controls button>span{background:var(--surface-alt);border-radius:50%;place-items:center;width:19px;height:19px;font-size:10px;display:grid}.concept-step-controls button[aria-pressed=true],.concept-comparison-tabs button[aria-pressed=true]{background:var(--primary);color:#fff;border-color:var(--primary)}.concept-step-controls button[aria-pressed=true]>span{background:#fff2}.concept-sequence{grid-template-columns:minmax(70px,1fr) minmax(90px,2fr) minmax(70px,1fr);align-items:center;gap:10px;padding:36px 0;display:grid}.concept-endpoint{border:1px solid var(--border);background:var(--surface);text-align:center;border-radius:8px;padding:18px 10px;font-size:13px;font-weight:700}.concept-message{color:var(--primary);text-align:center;overflow-wrap:anywhere;justify-items:center;gap:10px;font-size:12px;font-weight:700;display:grid}.concept-message svg{width:100%;height:25px}.concept-explain{color:var(--muted);margin:0;font-size:13px;line-height:1.8}.concept-explain>strong{color:var(--text);margin-bottom:5px;font-size:14px;display:block}.concept-pager{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:8px;margin-top:20px;padding-top:16px;display:flex}.concept-pager button{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:8px;align-items:center;gap:6px;min-height:44px;padding:10px;font-size:12px;display:flex}.concept-pager>span{color:var(--muted);font-size:12px}.concept-comparison-tabs{flex-wrap:wrap;gap:8px;display:flex}.concept-flow{grid-template-columns:minmax(0,1fr) 20px minmax(0,1fr) 20px minmax(0,1fr);align-items:center;gap:8px;margin:26px 0;display:grid}.concept-flow>div{border:1px solid var(--border);background:var(--surface);text-align:center;overflow-wrap:anywhere;border-radius:8px;flex-direction:column;justify-content:center;gap:10px;min-height:110px;padding:14px 10px;display:flex}.concept-flow small{color:var(--muted);font-size:10px}.concept-flow strong{font-size:13px;line-height:1.55}.concept-flow>svg{width:20px;color:var(--muted)}.concept-flow .concept-flow-focus{border-color:var(--primary);color:var(--primary)}.concept-comparison-summary{border-top:1px solid var(--border);grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:10px;margin-top:20px;padding-top:16px;display:grid}.concept-comparison-summary>div{gap:6px;font-size:12px;display:grid}.concept-comparison-summary span{color:var(--muted);line-height:1.6}.concept-takeaway{background:color-mix(in srgb, var(--primary) 7%, var(--surface));border-radius:8px;gap:12px;padding:17px;display:flex}.concept-takeaway>svg{color:var(--primary);flex-shrink:0;margin-top:2px}.concept-takeaway strong{font-size:13px}.concept-takeaway p{margin:4px 0 0;font-size:13px;line-height:1.8}.concept-small{color:var(--muted);font-size:12px;line-height:1.8}.concept-footer{border-top:1px solid var(--border);justify-content:space-between;align-items:flex-end;gap:20px;margin-top:22px;padding-top:18px;display:flex}.concept-footer>div{gap:7px;display:grid}.concept-footer strong{font-size:11px}.concept-footer span{color:var(--muted);font-size:11px}.concept-footer a{color:var(--primary);align-items:center;gap:5px;font-size:11px;text-decoration:none;display:inline-flex}.concept-footer a:hover{text-decoration:underline}.concept-footer .concept-practice{white-space:nowrap;background:var(--primary);color:#fff;border:0;border-radius:8px;align-items:center;gap:8px;min-height:44px;padding:12px 14px;font-size:12px;display:inline-flex}.concept-permission-output{background:var(--surface);border:1px solid var(--border);color:var(--primary);border-radius:8px;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-bottom:20px;padding:16px;font-size:14px;display:flex}.concept-permission-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.concept-permission-grid fieldset{border:1px solid var(--border);border-radius:8px;min-width:0;padding:8px}.concept-permission-grid legend{padding:0 3px;font-size:12px;font-weight:700}.concept-permission-grid label{align-items:center;gap:7px;min-height:42px;font-size:12px;display:flex}.concept-library input[type=checkbox]{accent-color:var(--primary);flex-shrink:0;width:17px;height:17px}.concept-special{gap:10px;margin-top:20px;display:grid}.concept-special>label{border:1px solid var(--border);border-radius:8px;align-items:start;gap:10px;padding:12px;font-size:12px;line-height:1.75;display:flex}.concept-special strong{font-size:13px;display:block}.concept-risk-controls{grid-template-columns:1fr 1fr;gap:20px;display:grid}.concept-risk-controls>label{font-size:13px}.concept-risk-controls strong{float:right;color:var(--primary)}.concept-risk-controls input{width:100%;accent-color:var(--primary);margin:16px 0;display:block}.concept-risk-layout{grid-template-columns:1fr 1fr;align-items:center;gap:22px;margin:10px 0 24px;display:grid}.concept-risk-matrix{grid-template-columns:repeat(5,1fr);gap:5px;display:grid}.concept-risk-matrix button{aspect-ratio:1;min-height:35px;color:var(--text);border:2px solid #0000;border-radius:5px;font-size:12px}.concept-risk-matrix button[data-band=low]{background:color-mix(in srgb, #24a987 13%, var(--surface))}.concept-risk-matrix button[data-band=mid]{background:color-mix(in srgb, #3280e8 16%, var(--surface))}.concept-risk-matrix button[data-band=high]{background:color-mix(in srgb, #eb5473 19%, var(--surface))}.concept-risk-matrix button[aria-pressed=true]{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary);font-weight:800}.concept-risk-result{font-size:12px;line-height:1.7}.concept-risk-result>strong{color:var(--primary);font-size:23px;display:block}.concept-risk-result small{color:var(--muted)}.concept-risk-result label{align-items:center;gap:8px;display:flex}@media (width<=1050px){.concept-layout{grid-template-columns:1fr}.concept-nav{padding-bottom:6px;display:flex;overflow-x:auto}.concept-nav a{flex-shrink:0}.concept-nav a>svg{display:none}}@media (width<=600px){.concept-heading{align-items:flex-start}.concept-count{display:none}.concept-panel{border-radius:8px;padding:18px 14px}.concept-panel h2{font-size:21px}.concept-demo{padding:14px 10px}.concept-footer{flex-direction:column;align-items:stretch}.concept-footer .concept-practice{justify-content:center}.concept-sequence{grid-template-columns:minmax(66px,1fr) minmax(95px,1.5fr) minmax(66px,1fr);gap:6px;padding:24px 0}.concept-endpoint{padding:14px 5px;font-size:12px}.concept-message{font-size:11px}.concept-flow{grid-template-columns:1fr;justify-items:stretch;gap:8px;margin:18px 0}.concept-flow>div{min-height:75px}.concept-flow>svg{justify-self:center;transform:rotate(90deg)}.concept-permission-grid{gap:6px}.concept-permission-grid fieldset{padding:5px}.concept-permission-grid label{gap:3px;font-size:11px}.concept-risk-layout{grid-template-columns:1fr}.concept-risk-matrix button{aspect-ratio:auto;min-height:44px}}:root{color:#202635;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--bg:#f7f8fa;--surface:#fff;--surface-alt:#f4f5f7;--text:#202635;--muted:#656c79;--border:#e3e6ec;--primary:#2558d9;--primary-hover:#1946b8;--primary-soft:#eef3ff;--success:#187354;--success-soft:#edf8f3;--danger:#b7383e;--danger-soft:#fff1f1;--warning:#895d12;--radius:8px;--shadow:0 2px 4px #18284803;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;background:#f7f8fa;font-family:Inter,Pretendard,Noto Sans KR,-apple-system,BlinkMacSystemFont,Segoe UI,Malgun Gothic,sans-serif}:root[data-theme=dark]{--bg:#111318;--surface:#1a1d25;--surface-alt:#222630;--text:#eef0f5;--muted:#a5afc0;--border:#343a47;--primary:#90b0ff;--primary-hover:#aec5ff;--primary-soft:#243457;--success:#7bddb5;--success-soft:#19382f;--danger:#ffa4aa;--danger-soft:#40242a;--warning:#efc47e;--shadow:none;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}a{color:inherit;text-decoration:none}a:hover{color:var(--primary)}button,select,input,textarea{color:var(--text)}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.035em;line-height:1.4}h1{margin-bottom:10px;font-size:28px;font-weight:750}h2{margin-bottom:14px;font-size:18px;font-weight:700}h3{margin-bottom:10px;font-size:15px}p{word-break:keep-all;overflow-wrap:anywhere;margin-bottom:12px;font-size:14px;line-height:1.75}b,strong{font-weight:650}svg{flex-shrink:0}ul,ol{padding-left:22px;font-size:14px;line-height:1.8}input,select,textarea{background:var(--surface);border:1px solid var(--border);border-radius:6px;max-width:100%;padding:11px 12px;font-size:14px}input,select{min-height:44px}input[type=checkbox]{min-height:unset}input[type=range]{padding:0}textarea{resize:vertical;outline-offset:2px;width:100%;min-height:260px;padding:20px;line-height:1.9}textarea::placeholder,input::placeholder{color:var(--muted);opacity:.85}label{font-size:13px;font-weight:600;line-height:1.5}label>input,label>select{width:100%;margin-top:8px;display:block}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--primary);outline-offset:3px}hr{border:0;border-top:1px solid var(--border);margin:22px 0}details{font-size:13px;line-height:1.8}summary{cursor:pointer;min-height:44px;padding:10px 0;font-weight:600;display:list-item}details>p,details>ul{color:var(--muted)}[hidden]{display:none!important}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.muted,.help{color:var(--muted)}.help{margin:8px 0 0;font-size:12px;font-weight:400;line-height:1.7;display:block}.preserve{white-space:pre-wrap;overflow-wrap:anywhere}.eyebrow{letter-spacing:.14em;color:var(--primary);margin-bottom:10px;font-size:10px;font-weight:750;display:block}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.button{text-align:center;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;gap:9px;min-height:44px;padding:10px 17px;font-size:13px;font-weight:600;line-height:1.5;display:inline-flex}.button.primary{background:var(--primary);color:#fff}.button.primary:hover{background:var(--primary-hover);color:#fff}.button.subtle{background:var(--surface);border-color:var(--border);color:var(--text)}.button.subtle:hover{background:var(--surface-alt)}[data-theme=dark] .button.primary{color:#13203f}.button-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.full-width{width:100%}.text-link{color:var(--primary);align-items:center;gap:7px;min-height:30px;font-size:12px;font-weight:600;display:inline-flex}.text-link:hover{text-decoration:underline}.icon-button{width:44px;height:44px;color:var(--muted);background:0 0;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;display:inline-flex}.icon-button:hover,.icon-button.selected{background:var(--primary-soft);color:var(--primary)}.async-control{vertical-align:middle;flex-direction:column;gap:8px;max-width:100%;display:inline-flex}.inline-error{color:var(--danger);max-width:360px;font-size:12px;line-height:1.7}.tag{background:var(--surface-alt);color:var(--muted);border-radius:4px;align-items:center;padding:4px 8px;font-size:10px;font-weight:600;line-height:1.5;display:inline-flex}.tag.blue{background:var(--primary-soft);color:var(--primary)}.tag.warning{color:var(--warning)}.tags{flex-wrap:wrap;gap:6px;display:flex}.notice{background:var(--primary-soft);border-radius:6px;align-items:flex-start;gap:12px;padding:14px 17px;font-size:13px;line-height:1.8;display:flex}.notice.danger{background:var(--danger-soft);color:var(--danger)}.notice.success{background:var(--success-soft);color:var(--success)}.note{color:var(--muted);font-size:12px;line-height:1.8}.bar{background:var(--surface-alt);border-radius:4px;height:5px;overflow:hidden}.bar>i{background:var(--primary);border-radius:4px;height:100%;display:block}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}.app-shell{background:var(--bg);min-height:100vh;color:var(--text);display:flex}.sidebar{background:var(--surface);border-right:1px solid var(--border);z-index:30;flex-direction:column;width:224px;padding:32px 18px 18px;display:flex;position:fixed;inset:0 auto 0 0}.brand{color:var(--text);letter-spacing:-.035em;align-items:center;gap:10px;padding:0 10px;font-size:16px;font-weight:650;line-height:1.3;display:flex}.brand-mark{background:var(--primary);color:#fff;border-radius:9px;place-items:center;width:40px;height:44px;display:grid}.brand b{font-weight:750}.sidebar-caption{color:var(--muted);margin:15px 10px 35px;font-size:10px}.nav-section-label{letter-spacing:.13em;color:var(--muted);margin-bottom:12px;padding:0 14px;font-size:9px}.nav-item{min-height:46px;color:var(--muted);white-space:nowrap;border-radius:6px;align-items:center;gap:11px;margin:4px 0;padding:12px 13px;font-size:12px;font-weight:550;display:flex}.nav-item:hover{background:var(--surface-alt)}.nav-item.active{background:var(--primary-soft);color:var(--primary);font-weight:700}.nav-count{background:var(--primary);color:#fff;border-radius:4px;margin-left:auto;padding:1px 5px;font-size:10px}.sidebar-bottom{margin-top:auto}.study-guide{border:1px solid var(--border);background:var(--surface-alt);border-radius:7px;margin:30px 3px 19px;padding:16px 13px}.study-guide>svg{color:var(--primary);margin-bottom:8px}.study-guide>b{font-size:11px;display:block}.study-guide p{color:var(--muted);margin:6px 0 10px;font-size:10px;line-height:1.8}.study-guide a{color:var(--primary);align-items:center;gap:8px;font-size:10px;font-weight:600;display:flex}.local-status{border-top:1px solid var(--border);color:var(--muted);align-items:center;gap:6px;margin-top:13px;padding:19px 10px 0;font-size:9px;display:flex}.status-dot{background:var(--success);border-radius:50%;flex-shrink:0;width:6px;height:6px;display:inline-block}.main-shell{width:calc(100% - 224px);min-width:0;margin-left:224px}.topbar{background:var(--surface);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:20px;height:70px;padding:0 40px;display:flex}.topbar-left{align-items:center;gap:12px;display:flex}.breadcrumb{color:var(--muted);gap:14px;font-size:11px;display:flex}.breadcrumb b{color:var(--text);font-weight:600}.topbar-status{color:var(--muted);align-items:center;gap:7px;font-size:10px;display:flex}.topbar-divider{background:var(--border);width:1px;height:12px;margin:0 10px}main{outline:none;max-width:1500px;min-height:calc(100vh - 120px);margin:auto;padding:38px 40px 30px}.page-heading{justify-content:space-between;align-items:center;gap:25px;margin-bottom:28px;display:flex}.page-heading p{color:var(--muted);margin:0;font-size:12px}.dday{background:var(--surface);border:1px solid var(--border);white-space:nowrap;border-radius:7px;align-items:center;gap:12px;padding:11px 16px;display:flex}.dday>svg{color:var(--muted)}.dday span{color:var(--muted);font-size:9px}.dday strong{color:var(--primary);letter-spacing:-.03em;margin-top:3px;font-size:17px;font-weight:700;display:block}.overview-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:24px;display:grid}.metric{min-height:152px;padding:20px;position:relative}.metric-label{color:var(--muted);justify-content:space-between;align-items:center;font-size:11px;font-weight:600;display:flex}.metric-icon{color:var(--muted);opacity:.8}.metric-value{letter-spacing:-.035em;align-items:baseline;gap:7px;margin:12px 0 6px;font-size:30px;font-weight:750;line-height:1.3;display:flex}.metric-value small{color:var(--muted);letter-spacing:0;font-size:12px;font-weight:500}.metric-value>a{color:var(--muted);margin-left:auto}.metric p{color:var(--muted);margin:0;font-size:10px}.metric>.bar{height:4px;margin-top:15px}.dashboard-main-grid{grid-template-columns:1.65fr 1fr;gap:22px;margin-bottom:24px;display:grid}.today-card{background:linear-gradient(110deg,#f0f4ff,#edf2ff);border:1px solid #dce5fa;border-radius:8px;align-items:center;min-height:284px;padding:28px 30px;display:flex;position:relative;overflow:hidden}.today-copy{z-index:2;max-width:62%;position:relative}.today-copy h2{white-space:pre-line;letter-spacing:-.05em;margin-bottom:12px;font-size:25px;line-height:1.4}.today-copy p{color:#60708d;max-width:285px;margin-bottom:22px;font-size:11px}.today-copy .eyebrow{letter-spacing:.16em;font-size:9px}.today-copy .button{min-height:40px;padding:10px 15px;font-size:11px}.resume-link{color:var(--primary);margin-top:13px;font-size:10px;display:block}.learning-illustration{place-items:center;width:235px;height:255px;display:grid;position:absolute;bottom:6px;right:5px}.illustration-orbit{opacity:.6;border:1px solid #cbd7f7;border-radius:50%;width:220px;height:220px;position:absolute}.orbit-two{width:175px;height:175px}.illustration-sheet{z-index:1;background:#fff;border:1px solid #dbe2ef;border-radius:8px;width:144px;height:182px;padding:20px 17px;position:relative;transform:rotate(-8deg);box-shadow:0 14px 32px #506eb219}.illus-label{letter-spacing:.1em;color:#6981b5;font-size:6px;font-weight:750}.illus-heading{background:#304d83;border-radius:2px;width:65%;height:9px;margin:12px 0 11px}.illus-line{background:#e8edf7;border-radius:2px;width:100%;height:4px;margin:7px 0}.illus-line.short{width:72%;margin-bottom:17px}.illus-check{color:#3872de;align-items:center;gap:7px;margin:8px 0;display:flex}.illus-check>span:last-child{background:#d4def2;border-radius:2px;width:65px;height:4px}.illus-check.faded{opacity:.6}.illus-circle{border:1px solid #a8bbdf;border-radius:50%;width:15px;height:15px;display:block}.illus-badge{color:#fff;z-index:2;background:#2558d9;border:5px solid #dce6ff;border-radius:15px;place-items:center;width:53px;height:53px;display:grid;position:absolute;bottom:35px;right:26px;transform:rotate(9deg)}.weekly-card{padding:24px}.section-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;display:flex}.section-heading h2{align-items:center;gap:9px;margin:0;font-size:16px;display:flex}.section-heading>.muted{font-size:11px}.weekly-card .section-heading{margin-bottom:6px}.weekly-card>.muted{font-size:10px}.weekly-chart{justify-content:space-between;gap:14px;height:141px;padding:8px 3px 0;display:flex}.day-column{color:var(--muted);flex-direction:column;flex:1;align-items:center;gap:8px;font-size:9px;display:flex}.day-column.today{color:var(--primary);font-weight:650}.day-value{height:14px;font-size:9px}.day-track{background:var(--surface-alt);border-radius:3px;align-items:flex-end;width:21px;max-width:100%;height:90px;display:flex;position:relative}.day-track i{background:#a9bff2;border-radius:3px;width:100%;display:block}.today .day-track i{background:var(--primary)}.weekly-footer{border-top:1px solid var(--border);color:var(--muted);justify-content:space-between;margin-top:18px;padding-top:14px;font-size:10px;display:flex}.weekly-footer b{color:var(--text)}.dashboard-lower-grid{grid-template-columns:1.35fr 1fr;gap:22px;margin-bottom:24px;display:grid}.domain-panel,.next-panel{padding:24px}.domain-panel>.muted{margin-bottom:20px;font-size:11px}.domain-row{border-top:1px solid var(--border);align-items:center;gap:12px;padding:12px 0;display:flex}.domain-name{align-items:center;gap:8px;width:45%;min-width:140px;font-size:11px;display:flex}.domain-name small{color:var(--muted);margin-left:auto;font-size:9px;font-weight:400}.domain-dot{background:var(--primary);opacity:.7;border-radius:2px;width:6px;height:6px}.domain-progress{flex:1;align-items:center;gap:10px;min-width:0;display:flex}.domain-progress .bar{flex:1}.domain-progress>span{text-align:right;width:34px;color:var(--muted);font-size:9px}.domain-row>svg{color:var(--muted)}.weak-focus{border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px;padding-top:15px;display:flex}.weak-focus>b{margin-right:4px;font-size:11px}.weak-focus .tag{color:var(--danger);background:var(--danger-soft)}.domain-panel .help{margin-top:12px;font-size:9px}.next-panel .eyebrow{font-size:9px}.learning-path a{border-bottom:1px solid var(--border);align-items:center;gap:13px;padding:16px 0;display:flex}.path-number{color:var(--primary);background:var(--primary-soft);border:1px solid color-mix(in srgb, var(--primary) 10%, transparent);border-radius:50%;flex-shrink:0;place-items:center;width:29px;height:29px;font-size:10px;font-weight:700;display:grid}.learning-path b{font-size:12px}.learning-path p{color:var(--muted);margin:3px 0 0;font-size:10px}.learning-path svg{color:var(--muted);margin-left:auto}.small-callout{background:var(--surface-alt);border-radius:6px;align-items:center;gap:11px;margin-top:20px;padding:14px;display:flex}.small-callout svg{color:var(--muted)}.small-callout p{color:var(--muted);margin:0;font-size:10px}.small-callout b{color:var(--text);font-weight:500}.recent-panel{padding:24px}.recent-row{border-top:1px solid var(--border);align-items:center;gap:16px;padding:16px 0;display:flex}.recent-row>div{flex:1}.recent-row b{font-size:12px}.recent-row small{color:var(--muted);margin-top:5px;font-size:10px;display:block}.result-pill{background:var(--danger-soft);color:var(--danger);border-radius:4px;padding:6px 10px;font-size:10px}.result-pill.good{background:var(--success-soft);color:var(--success)}.dashboard-footnote{text-align:center;color:var(--muted);margin:23px 0 0;font-size:9px}.app-footer{max-width:1500px;color:var(--muted);border-top:1px solid var(--border);justify-content:space-between;margin:auto;padding:20px 40px;font-size:9px;display:flex}.empty{text-align:center;padding:36px 20px}.empty-symbol{color:var(--primary);border:1px solid var(--border);background:var(--surface);border-radius:50%;place-items:center;width:42px;height:42px;margin:0 auto 14px;font-size:22px;display:grid}.empty h3{font-size:14px}.empty p{color:var(--muted);font-size:12px}.count{color:var(--primary);background:var(--primary-soft);border-radius:5px;padding:3px 7px;font-size:12px}.startup{text-align:center;max-width:600px;color:var(--text);margin:16vh auto;padding:30px}.startup>svg{color:var(--primary)}.startup h1{margin-top:20px;font-size:24px}.startup p{color:var(--muted)}.menu-toggle,.mobile-backdrop{display:none}.skip-link{z-index:100;background:var(--primary);color:#fff;padding:12px;position:fixed;top:-60px;left:240px}.skip-link:focus{top:8px}.update-banner{background:var(--primary-soft);border-radius:6px;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;padding:12px 16px;font-size:12px;display:flex}.library-summary{color:var(--muted);gap:25px;margin:-8px 0 22px;font-size:11px;display:flex}.library-summary strong{color:var(--primary);font-size:17px}.filter-panel{margin-bottom:27px;padding:22px}.search-field{color:var(--muted);align-items:center;gap:10px;margin-bottom:20px;display:flex}.search-field input{flex:1;min-width:0;margin:0}.filter-row{flex-wrap:wrap;gap:15px;display:flex}.filter-row>label{min-width:130px;color:var(--muted);flex:1;font-size:11px}.filter-row select,.filter-row input{font-size:12px}.filter-context{color:var(--primary);justify-content:space-between;margin-top:16px;font-size:12px;display:flex}.question-list{gap:10px;display:grid}.question-row{background:var(--surface);border:1px solid var(--border);border-radius:7px;align-items:center;gap:20px;padding:22px;display:flex}.question-row:hover{border-color:var(--primary);box-shadow:0 3px 12px #18284808}.row-number{color:var(--muted);align-self:flex-start;min-width:25px;padding-top:4px;font-size:12px}.question-row-main{flex:1;min-width:0}.question-row-main h3{margin:9px 0 4px;font-size:16px}.question-row-main p{color:var(--muted);margin:0;font-size:11px}.row-status{color:var(--muted);align-items:center;gap:14px;font-size:11px;display:flex}.studied{color:var(--success);align-items:center;gap:4px;font-size:11px;display:inline-flex}.workspace-nav{justify-content:space-between;align-items:center;margin-bottom:23px;display:flex}.workspace-nav>.muted{font-size:11px}.practice-layout{grid-template-columns:minmax(0,1fr) 245px;align-items:start;gap:24px;display:grid}.practice-main{gap:22px;min-width:0;display:grid}.problem-panel{padding:28px}.problem-top{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.problem-title{margin-bottom:22px;font-size:24px;line-height:1.5}.problem-prompt{margin:0;font-size:15px;line-height:1.9}.answer-panel{padding:25px}.step-label{color:var(--primary);margin-right:8px;font-size:11px;font-weight:750}.save-status{color:var(--muted);align-items:center;gap:5px;font-size:10px;display:flex}.answer-footer{justify-content:space-between;align-items:center;gap:15px;margin-top:16px;display:flex}.answer-footer>.muted{margin:0;font-size:10px}.practice-aside{gap:22px;display:grid}.side-note{border-left:1px solid var(--border);padding:24px 20px}.side-note h3{font-size:14px}.side-note p{color:var(--muted);font-size:11px}.side-note li{margin-bottom:15px;padding-left:5px;font-size:11px}.side-note ol{padding-left:15px}.side-note ol p{margin:6px 0 0;font-size:10px}.side-note>.text-link{font-size:10px;display:flex}.side-note>svg{color:var(--primary);margin-bottom:12px}.result-panel{padding:28px;scroll-margin-top:24px}.evaluation-head{justify-content:space-between;align-items:center;gap:20px;margin-bottom:15px;display:flex}.evaluation-head h2{margin:0;font-size:20px}.evaluation .note{background:var(--surface-alt);border-radius:6px;padding:12px}.score{color:var(--muted);white-space:nowrap;text-align:right;font-size:12px}.score strong{color:var(--primary);margin-right:3px;font-size:32px;font-weight:750}.score small{font-size:10px;display:block}.feedback-grid{grid-template-columns:1fr 1fr;gap:22px;padding:20px 0;display:grid}.feedback-grid h3{font-size:13px}.feedback-grid ul{color:var(--muted);margin-bottom:0;padding-left:17px;font-size:12px}.feedback-grid p{font-size:12px}.evaluation>details{border-top:1px solid var(--border);margin-top:15px}.evaluation details a{color:var(--primary);text-decoration:underline}.model-answer{background:var(--primary-soft);border-left:3px solid var(--primary);border-radius:0 6px 6px 0;margin:18px 0 23px;padding:20px}.model-answer p{margin:0}.self-evaluation{border-top:1px solid var(--border);margin-top:24px;padding-top:24px}.self-evaluation h3{font-size:16px}.self-evaluation>.muted{font-size:12px}.score-input{align-items:center;gap:10px;margin:20px 0;display:flex}.score-input input{width:80px;margin:0}.score-input>span{color:var(--muted);font-weight:400}.rating-group{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.rating{background:var(--surface);color:var(--muted);border:1px solid var(--border);border-radius:6px;min-height:68px;padding:13px 7px;font-size:11px}.rating small{margin-top:6px;font-size:10px;display:block}.rating.active{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}.next-question{float:right;margin-top:20px}.self-evaluation:after{content:"";clear:both;display:block}.review-tabs{border-bottom:1px solid var(--border);gap:8px;margin-bottom:27px;display:flex;overflow-x:auto}.review-tabs>a{white-space:nowrap;color:var(--muted);border-bottom:2px solid #0000;align-items:center;gap:9px;padding:14px 16px;font-size:12px;display:flex}.review-tabs>a.active{border-color:var(--primary);color:var(--primary);font-weight:650}.review-tabs>a>span{background:var(--surface-alt);border-radius:4px;padding:2px 5px;font-size:10px}.review-row{padding:23px}.review-row-heading{justify-content:space-between;align-items:center;gap:18px;display:flex}.review-row h3{margin-top:11px}.algorithm-note{margin-top:28px;padding:12px 23px}.algorithm-note p{font-size:12px}.mock-setup-grid{grid-template-columns:minmax(0,1.5fr) minmax(240px,1fr);gap:24px;margin-bottom:32px;display:grid}.mock-setup,.exam-guide{padding:28px}.mock-setup>p{font-size:12px}.mock-counts{grid-template-columns:repeat(4,1fr);gap:14px;margin:26px 0;display:grid}.mock-counts label{font-size:12px}.mock-counts label small{color:var(--muted);font-size:10px;font-weight:400}.number-with-unit{align-items:center;gap:6px;margin:8px 0;display:flex}.number-with-unit input{width:100%;min-width:0}.number-with-unit>span{white-space:nowrap;color:var(--muted);font-size:10px}.duration-label{max-width:300px;display:block}.mock-summary{background:var(--surface-alt);border-radius:6px;flex-wrap:wrap;gap:20px;margin:23px 0;padding:15px;font-size:12px;display:flex}.mock-summary>span:last-child{color:var(--muted);align-self:center;font-size:10px}.exam-guide>svg{color:var(--primary);margin-bottom:17px}.exam-guide dl{margin:20px 0;font-size:12px}.exam-guide dl>div{border-bottom:1px solid var(--border);justify-content:space-between;gap:20px;padding:11px 0;display:flex}.exam-guide dt{color:var(--muted)}.exam-guide dd{margin:0;font-weight:600}.resume-banner{background:var(--primary-soft);border:1px solid var(--border);border-radius:8px;justify-content:space-between;align-items:center;gap:18px;margin-bottom:24px;padding:20px;display:flex}.resume-banner b{font-size:14px}.resume-banner p{color:var(--muted);margin:5px 0 0;font-size:11px}.history-list{padding:0 25px}.history-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:20px;padding:20px 0;display:flex}.history-row:last-child{border:0}.history-row b{font-size:14px}.history-row p{color:var(--muted);margin:6px 0 0;font-size:11px}.history-row>span{color:var(--primary);align-items:center;gap:10px;font-size:11px;display:flex}.exam-timer{font-variant-numeric:tabular-nums;color:var(--primary);background:var(--surface);border:1px solid var(--border);border-radius:7px;align-items:center;gap:10px;padding:9px 15px;font-size:23px;font-weight:700;display:flex}.exam-timer.urgent{color:var(--danger)}.mock-progress{color:var(--muted);justify-content:space-between;gap:15px;margin-bottom:20px;font-size:12px;display:flex}.answer-label{margin-bottom:14px;font-size:16px;display:block}.exam-navigator{padding:23px}.exam-navigator h3{font-size:14px}.exam-navigator p{font-size:11px}.number-grid{grid-template-columns:repeat(4,1fr);gap:8px;margin:20px 0;display:grid}.number-grid button{background:var(--surface);border:1px solid var(--border);border-radius:6px;min-height:40px;font-size:12px;position:relative}.number-grid button.answered{background:var(--primary-soft);color:var(--primary)}.number-grid button.current{border:2px solid var(--primary)}.number-grid button svg{color:var(--primary);position:absolute;top:2px;right:2px}.submit-confirm{gap:12px;display:grid}.submit-confirm>b{color:var(--danger);font-size:12px}.mock-result-summary{align-items:center;gap:40px;margin-bottom:15px;padding:28px;display:flex}.result-total{min-width:180px}.result-total>span{color:var(--muted);font-size:12px}.result-total>strong{letter-spacing:-.04em;color:var(--primary);font-size:44px;line-height:1.5;display:block}.result-total small{color:var(--muted);font-size:15px;font-weight:400}.result-total p{color:var(--muted);margin:0;font-size:11px}.type-results{flex:1;grid-template-columns:1fr 1fr;gap:25px;display:grid}.type-results>div{grid-template-columns:1fr auto;gap:10px;font-size:12px;display:grid}.type-results span{color:var(--muted)}.type-results .bar{grid-column:1/3}.result-navigation{justify-content:space-between;align-items:flex-end;gap:20px;margin:26px 0;display:flex}.result-navigation>label{flex:1;max-width:65%}.submitted-answer{border:1px solid var(--border);background:var(--surface-alt);border-radius:6px;margin:24px 0;padding:20px}.submitted-answer h3{color:var(--muted);font-size:12px}.submitted-answer p{margin:0}.self-evaluation>.filter-row{margin:20px 0}.settings-grid{grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px;display:grid}.settings-section{margin-bottom:24px;padding:28px}.settings-grid .settings-section{margin:0}.settings-section h2{align-items:center;gap:9px;display:flex}.settings-section>label{margin:20px 0;display:block}.settings-section .help{font-size:11px}.settings-section p{font-size:13px}.data-counts{border-top:1px solid var(--border);border-bottom:1px solid var(--border);grid-template-columns:repeat(3,1fr);margin:24px 0;padding:20px 0;display:grid}.data-counts>div{gap:7px;display:grid}.data-counts strong{color:var(--primary);font-size:25px}.data-counts span{color:var(--muted);font-size:11px}.backup-grid{grid-template-columns:1fr 1fr;gap:35px;margin-top:24px;display:grid}.backup-grid>div+div{border-left:1px solid var(--border);padding-left:35px}.backup-grid h3{font-size:14px}.file-label{margin:12px 0 18px;font-size:11px;display:block}.file-label input{font-size:12px}.import-preview{border-top:1px solid var(--border);margin-top:25px;padding-top:24px}.backup-section>.notice{margin-top:22px}[data-theme=dark] .today-card{background:linear-gradient(110deg,#202b44,#242f49);border-color:#394561}[data-theme=dark] .today-copy p{color:var(--muted)}[data-theme=dark] .learning-illustration{opacity:.8}[data-theme=dark] .brand-mark{color:#112044}@media (width>=1600px){main{padding:42px 52px}.topbar{padding:0 52px}.today-card{min-height:300px}.learning-illustration{right:45px}.today-copy h2{font-size:29px}}@media (width<=1200px){.sidebar{width:206px;padding-left:13px;padding-right:13px}.main-shell{width:calc(100% - 206px);margin-left:206px}main{padding:30px 26px}.topbar{padding:0 26px}.page-heading h1{font-size:25px}.overview-grid{gap:12px}.metric{padding:17px}.metric p{font-size:9px}.learning-illustration{right:-20px;transform:scale(.85)}.today-copy{max-width:70%}.today-copy h2{font-size:23px}.dashboard-main-grid{grid-template-columns:1.5fr 1fr;gap:18px}.dashboard-lower-grid{gap:18px}.weekly-card{padding:20px}.practice-layout{grid-template-columns:minmax(0,1fr) 205px;gap:18px}.rating-group,.mock-counts{grid-template-columns:1fr 1fr}.domain-name{min-width:120px}.topbar-status{font-size:9px}}@media (width<=980px){.sidebar{width:190px;padding-left:10px;padding-right:10px}.main-shell{width:calc(100% - 190px);margin-left:190px}main{padding:27px 22px}.topbar{padding:0 22px}.nav-item{gap:8px;padding-left:10px;font-size:11px}.brand{gap:8px;padding:0 8px;font-size:14px}.brand-mark{width:34px;height:38px}.overview-grid{grid-template-columns:repeat(2,1fr)}.dashboard-main-grid,.dashboard-lower-grid{grid-template-columns:1fr}.today-card{min-height:270px}.learning-illustration{right:25px;transform:none}.today-copy{max-width:60%}.weekly-card{min-height:240px}.weekly-chart{height:120px}.day-track{width:28px}.page-heading{align-items:flex-start}.page-heading h1{font-size:24px}.dday{gap:8px;padding:10px}.practice-layout{grid-template-columns:1fr}.practice-aside{display:none}.exam-navigator{position:static}.number-grid{grid-template-columns:repeat(8,1fr)}.mock-setup-grid{grid-template-columns:1fr}.mock-counts{grid-template-columns:repeat(4,1fr)}.settings-grid{grid-template-columns:1fr}.topbar-status>.topbar-divider,.topbar-status>span:last-child{display:none}.library-summary{gap:16px}.backup-grid{gap:25px}.backup-grid>div+div{padding-left:25px}}@media (width<=700px){.sidebar{visibility:hidden;width:248px;padding:24px 18px;transition:transform .18s;transform:translate(-100%)}.sidebar.open{visibility:visible;transform:translate(0)}.main-shell{width:100%;margin:0}.mobile-backdrop{z-index:25;background:#101b3755;border:0;display:none;position:fixed;inset:0}.mobile-backdrop.visible{display:block}.menu-toggle{width:36px;height:40px;display:inline-flex}.brand{font-size:16px}.nav-item{min-height:49px;font-size:13px}.topbar{gap:10px;height:62px;padding:0 17px}.topbar-left{gap:9px}.breadcrumb{gap:8px;font-size:10px}.breadcrumb>span{display:none}.breadcrumb{font-size:0}.breadcrumb b{font-size:12px}.topbar-status{font-size:9px}.topbar-status>span:last-child{display:initial}.topbar-status>.topbar-divider+span{display:none}main{padding:25px 18px 28px}.page-heading{flex-wrap:wrap;gap:16px;margin-bottom:23px}.page-heading h1{margin-bottom:8px;font-size:23px;line-height:1.45}.page-heading p{font-size:12px;line-height:1.7}.page-heading>.dday{gap:8px;padding:7px 12px}.dday span{align-items:center;gap:10px;font-size:10px;display:flex}.dday strong{margin:0;font-size:14px}.eyebrow{font-size:9px}.overview-grid{gap:10px;margin-bottom:18px}.metric{min-height:140px;padding:16px 14px}.metric-label{font-size:11px}.metric-icon svg{width:17px;height:17px}.metric-value{font-size:28px}.metric p{font-size:9px;line-height:1.7}.metric-value small{font-size:11px}.dashboard-main-grid,.dashboard-lower-grid{gap:18px;margin-bottom:18px}.today-card{min-height:268px;padding:24px}.today-copy{max-width:70%}.today-copy h2{font-size:24px}.today-copy p{max-width:230px;font-size:11px}.learning-illustration{opacity:.7;bottom:8px;right:-65px;transform:scale(.72)}.today-copy{z-index:3}.today-copy .button{font-size:12px}.weekly-card,.domain-panel,.next-panel,.recent-panel{padding:21px}.weekly-chart{height:125px}.domain-name{min-width:140px}.domain-name b{font-size:12px}.domain-name small{font-size:10px}.domain-row{padding:15px 0}.domain-row>svg{display:none}.domain-progress>span{font-size:10px}.learning-path b{font-size:13px}.learning-path p,.small-callout p{font-size:11px}.recent-row{flex-wrap:wrap;gap:10px}.recent-row>.tag{font-size:9px}.recent-row>div{min-width:170px}.recent-row b{font-size:12px}.recent-row>.result-pill{margin-left:auto}.recent-row>svg{display:none}.dashboard-footnote{font-size:9px;line-height:1.8}.app-footer{flex-wrap:wrap;gap:10px;padding:20px 18px}.skip-link{left:10px}.empty{padding:30px 6px}.library-summary{flex-wrap:wrap;gap:10px 18px;font-size:10px}.library-summary span:last-child{display:none}.filter-panel{padding:18px}.filter-row{gap:14px 10px}.filter-row>label{flex:1;min-width:calc(50% - 10px)}.filter-row select{padding:10px 8px;font-size:12px}.question-row{gap:9px;padding:18px 15px}.row-number{display:none}.question-row-main h3{font-size:15px}.row-status{flex-direction:column;gap:5px;font-size:10px}.row-status>svg:last-child{display:none}.row-status .studied{font-size:9px}.section-heading>.muted{text-align:right;max-width:110px;font-size:9px}.workspace-nav{margin-bottom:17px}.workspace-nav>.muted{font-size:10px}.problem-panel,.answer-panel,.result-panel{padding:21px}.problem-title{margin-bottom:18px;font-size:21px}.problem-prompt{font-size:14px;line-height:1.9}.practice-main{gap:18px}.save-status{font-size:9px}.answer-panel .section-heading{gap:8px}.answer-panel .section-heading h2{font-size:15px}textarea{min-height:270px;padding:15px;font-size:14px}.answer-footer{flex-wrap:wrap;gap:12px}.answer-footer>.async-control{margin-left:auto}.keyboard-hint{display:none}.evaluation-head h2{font-size:17px}.evaluation-head .eyebrow{font-size:8px}.score strong{font-size:29px}.score small{font-size:9px}.feedback-grid{gap:15px}.feedback-grid ul{font-size:12px}.self-evaluation h3{font-size:14px}.self-evaluation>.muted{font-size:12px}.rating-group{gap:8px}.rating{font-size:12px}.rating small{font-size:11px}.review-tabs{margin-left:-18px;margin-right:-18px;padding:0 18px}.review-tabs>a{gap:7px;padding:13px 10px;font-size:11px}.review-tabs>a svg{width:16px}.review-row{padding:19px}.review-row-heading{flex-wrap:wrap;align-items:flex-start}.review-row-heading .button{min-height:40px;padding:9px 12px;font-size:11px}.review-row-heading h3{font-size:15px}.mock-setup,.exam-guide{padding:22px}.mock-counts{grid-template-columns:1fr 1fr}.mock-summary{gap:10px 17px}.resume-banner{flex-wrap:wrap;padding:18px}.history-row{gap:12px}.history-row b{font-size:12px}.history-row>span{font-size:10px}.history-list{padding:0 18px}.mock-progress{font-size:10px}.exam-timer{padding:8px 12px;font-size:19px}.exam-timer svg{width:17px}.number-grid{grid-template-columns:repeat(6,1fr)}.exam-navigator .note{font-size:11px}.mock-result-summary{flex-direction:column;align-items:stretch;gap:22px;padding:23px}.result-total{text-align:center}.type-results{gap:20px}.result-navigation{flex-wrap:wrap;gap:15px}.result-navigation>label{flex:auto;width:100%;max-width:100%}.result-navigation>.button-row{margin-left:auto}.settings-section{padding:22px}.backup-grid{grid-template-columns:1fr;gap:25px}.backup-grid>div+div{border:0;border-top:1px solid var(--border);padding:24px 0 0}.update-banner,.notice{flex-wrap:wrap}.button{font-size:12px}.app-footer{padding-bottom:calc(20px + env(safe-area-inset-bottom))}}@media (width<=360px){main{padding-left:14px;padding-right:14px}.page-heading h1{font-size:21px}.metric-label{font-size:10px}.metric-icon{display:none}.metric p{font-size:9px}.today-card{padding:20px}.today-copy{max-width:85%}.learning-illustration{opacity:.3;right:-78px}.domain-name{min-width:128px}.domain-progress{gap:6px}.domain-panel{padding:17px}.topbar-status{display:none}}
