:root{font-family:"Segoe UI",Arial,sans-serif;color:#172033;background:#f4f7fa;font-synthesis:none;--ink:#172033;--muted:#667386;--green:#147d6b;--blue:#2761d3;--rose:#bd4272;--gold:#ac7413;--line:#dce4eb;--surface:#fff;--radius:8px;letter-spacing:0}
*{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:default;opacity:.55}button:focus-visible,a:focus-visible{outline:3px solid #ffbd40;outline-offset:3px}button{transition:transform .12s,background .12s}button:active:not(:disabled){transform:translateY(2px)}a{color:var(--blue)}h1,h2,h3,p{margin:0}h1{font-size:28px;line-height:1.25}h2{font-size:21px;line-height:1.3}h3{font-size:17px}p{line-height:1.55}.muted{color:var(--muted)}.small{font-size:13px}.eyebrow{font-size:12px;font-weight:700;color:var(--green);text-transform:uppercase;line-height:2}.starting{min-height:100svh;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:16px;text-align:center;padding:24px}.starting img{animation:bounce .8s ease-in-out alternate infinite}.icon{width:23px;height:23px;display:inline-block;vertical-align:middle;flex-shrink:0}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;border:0;border-radius:8px;padding:11px 18px;font-weight:700;background:var(--green);color:#fff;text-decoration:none}.button img,.nav-item.active img{filter:brightness(0) invert(1)}.button.secondary{color:var(--ink);background:#e8eef3}.button.secondary img,.button.light img{filter:none}.button.light{color:var(--ink);background:#fff;border:1px solid var(--line)}.button.danger{background:#a72d46}.icon-button{display:grid;place-items:center;min-width:44px;min-height:44px;padding:9px;background:transparent;border:1px solid transparent;border-radius:8px}.icon-button:hover{background:#e8eef3}.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.button-row>*{flex:1}.block{width:100%}
.auth{max-width:440px;margin:6vh auto;padding:24px}.auth-brand{display:flex;align-items:center;gap:15px;margin-bottom:32px}.auth-brand h1{font-size:30px}.auth-brand img{width:66px;height:66px}.auth h2{margin:26px 0 18px}.segmented{display:flex;gap:4px;padding:4px;background:#e5ecf2;border-radius:8px;margin:18px 0}.segmented button{border:0;min-height:42px;background:transparent;color:#526071;font-weight:700;border-radius:6px;flex:1;padding:7px}.segmented .selected{background:#fff;color:var(--green);box-shadow:0 1px 4px #17203315}.form{display:grid;gap:15px}.field{display:grid;gap:6px;font-size:14px;font-weight:600}.field input,.field select,.field textarea{width:100%;padding:12px;border:1px solid #c7d2df;border-radius:7px;background:#fff;color:var(--ink);min-height:46px}.field input:focus,.field textarea:focus{outline:2px solid #b2d9d2;border-color:var(--green)}.field textarea{resize:vertical;min-height:92px}.form-error{color:#a72d46;font-size:14px;line-height:1.5;min-height:0}.form-error:empty{display:none}.checkbox{display:flex;gap:10px;align-items:center}.checkbox input{width:20px;height:20px;accent-color:var(--green)}
.app-shell{display:grid;grid-template-columns:218px minmax(0,1fr);min-height:100svh}.sidebar{position:sticky;top:0;height:100svh;background:#fff;border-right:1px solid var(--line);padding:26px 16px;display:flex;flex-direction:column;gap:22px}.brand{display:flex;gap:10px;align-items:center;color:var(--ink);font-weight:800;line-height:1.25}.brand img{width:42px;height:42px}.brand span{font-size:18px}.brand small{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:5px}.navigation{display:grid;gap:8px}.nav-item{border:0;background:transparent;display:flex;align-items:center;gap:12px;min-height:48px;border-radius:8px;padding:11px 14px;color:#526071;text-align:left;font-weight:650}.nav-item.active{background:var(--green);color:#fff}.sidebar-bottom{margin-top:auto}.main-panel{min-width:0}.topbar{height:82px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 32px;border-bottom:1px solid var(--line);background:#fff}.topbar-title{font-weight:700}.topbar-sub{font-size:12px;color:var(--muted);margin-top:5px}.coin-pill{display:flex;gap:8px;align-items:center;white-space:nowrap;background:#fff1cf;color:#81591b;border:1px solid #efdcad;border-radius:24px;padding:9px 14px;font-weight:800}.content{max-width:1180px;margin:auto;padding:30px 32px 48px}.page-heading{display:flex;align-items:start;justify-content:space-between;gap:18px;margin-bottom:25px}.page-heading p{color:var(--muted);margin-top:7px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:28px 0 14px}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0}.stat{border-left:4px solid var(--green);padding:12px 16px;background:#fff}.stat:nth-child(2){border-color:#dd9c32}.stat:nth-child(3){border-color:#cc5d85}.stat strong{font-size:28px;line-height:1.3;display:block}.stat span{font-size:13px;color:var(--muted)}.mission-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.mission{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;gap:16px;align-items:start}.mission.done{background:#f0faf6;border-color:#bddece}.mission .mission-icon{display:grid;place-items:center;width:46px;height:46px;background:#e5f4ec;border-radius:8px;flex-shrink:0}.mission:nth-child(2n) .mission-icon{background:#e9efff}.mission:nth-child(3n) .mission-icon{background:#fff0d8}.mission-body{min-width:0;flex:1}.mission p{font-size:14px;color:var(--muted);margin-top:7px}.mission .button-row{margin-top:14px}.mission .button{min-height:40px;font-size:13px;padding:9px 12px}.done-label{color:var(--green);font-weight:700;font-size:14px;display:flex;align-items:center;gap:7px;margin-top:14px}.reward-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.reward{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;min-width:0;gap:12px}.reward .gift-icon{width:50px;height:50px;border-radius:8px;background:#fce7ef;display:grid;place-items:center}.reward:nth-child(3n+2) .gift-icon{background:#e2f2ee}.reward:nth-child(3n) .gift-icon{background:#fff1d8}.reward p{color:var(--muted);font-size:14px;min-height:43px}.reward .price{font-weight:800;color:var(--gold);font-size:22px}.reward .button-row{margin-top:auto;padding-top:8px}.empty{padding:30px 0;color:var(--muted);line-height:1.6}.notice{border-left:4px solid #d49a2b;background:#fff5dc;padding:15px 18px;line-height:1.5;margin:16px 0}.subject-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.subject-tile{border:1px solid transparent;border-bottom:4px solid var(--tile);border-radius:8px;background:var(--soft);color:var(--ink);padding:20px;text-align:left;min-width:0;min-height:140px}.subject-tile .icon{height:30px;width:30px;margin-bottom:14px}.subject-tile strong{display:block;font-size:18px;overflow-wrap:anywhere}.subject-tile small{display:block;color:#546274;margin-top:8px}.subject-tile.selected{outline:2px solid var(--tile);outline-offset:1px}.grade-row{display:flex;gap:8px;align-items:center;margin:24px 0 18px;flex-wrap:wrap}.grade-row button{height:42px;width:46px;background:#fff;border:1px solid var(--line);border-radius:6px;font-weight:700}.grade-row .selected{color:#fff;background:var(--green);border-color:var(--green)}.map{position:relative;aspect-ratio:3/2;width:100%;max-width:860px;margin:18px auto 0;overflow:hidden;background:#29b8c7}.map>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}.map-node{position:absolute;transform:translate(-50%,-50%);width:54px;height:54px;border-radius:50%;border:4px solid #fff;background:#ffce55;color:#493c20;box-shadow:0 5px 0 #b78327,0 7px 14px #17203335;display:grid;place-items:center;font-size:20px;font-weight:800}.map-node:active:not(:disabled){transform:translate(-50%,-45%)}.map-node.done{background:#18816e;color:#fff;box-shadow:0 5px 0 #0c5a4d}.map-node:disabled{background:#d4dee5;opacity:1;border-color:#eff5f7;box-shadow:0 5px 0 #96a7b3}.chapter-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-top:15px}.chapter-item{border:0;background:#fff;padding:13px 9px;border-radius:6px;text-align:left;color:var(--ink);min-width:0}.chapter-item strong{display:block;font-size:13px;overflow-wrap:anywhere}.chapter-item small{color:var(--muted);display:block;margin-top:7px}.chapter-item:disabled{opacity:.5}.lesson{max-width:750px;margin:auto}.lesson-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.lesson-progress{width:100%;height:9px;accent-color:var(--green);border:0;background:#dde9e5;border-radius:9px;margin-bottom:30px}.question{font-size:25px;line-height:1.5;margin:18px 0 26px;overflow-wrap:anywhere}.lesson .field input{font-size:22px;min-height:58px}.lesson .button{min-height:49px}.lesson-tools{display:flex;gap:10px;justify-content:space-between;margin-top:16px}.hint{padding:17px 0;color:#506b77;line-height:1.7}.feedback{padding-top:20px}.feedback h2{color:var(--green)}.feedback p{margin-top:12px}.complete-scene{text-align:center;padding:36px 0}.complete-scene>img{width:85px;height:85px;animation:bounce .6s ease-in-out 2}.complete-scene h1{margin:22px 0 12px}.attempts{color:var(--muted);font-size:13px}.chart{height:155px;display:flex;align-items:end;gap:8px;border-bottom:1px solid var(--line);padding-top:10px;margin:22px 0}.chart-day{flex:1;min-width:0;height:100%;display:flex;justify-content:end;align-items:center;flex-direction:column;gap:7px;font-size:10px;color:var(--muted)}.chart-bar{width:100%;max-width:30px;background:#178675;min-height:2px;border-radius:4px 4px 0 0}.analytics-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.accuracy-row{display:grid;grid-template-columns:120px 1fr 48px;align-items:center;gap:14px;margin:15px 0;font-size:14px}.accuracy-row progress{width:100%;height:10px;accent-color:var(--green)}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{border-bottom:1px solid var(--line);text-align:left;padding:13px 10px;vertical-align:middle}.table th{color:var(--muted);font-size:12px;font-weight:650}.table th:first-child,.table td:first-child{padding-left:0}.table td:last-child{white-space:nowrap}.table .button{font-size:12px;min-height:36px;padding:7px 10px}.status{display:inline-block;padding:5px 9px;background:#e7edf3;border-radius:5px;font-size:12px}.status.approved,.status.paid{background:#def3e8;color:#166b51}.status.pending{background:#fff0cd;color:#825d1a}.status.rejected{background:#fae7ed;color:#a13557}.child-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}.child-row code{font-size:15px;font-weight:700;color:var(--green)}.settings-line{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:18px 0;gap:16px}.settings-line input[type=checkbox]{width:23px;height:23px;accent-color:var(--green)}.loading{opacity:.65;pointer-events:none}dialog{border:1px solid var(--line);border-radius:10px;width:min(94vw,490px);max-height:90svh;padding:25px;color:var(--ink);box-shadow:0 20px 80px #17203340}dialog::backdrop{background:#17203370}dialog h2{margin-bottom:20px}.dialog-close{float:right;margin:-10px -8px 8px 8px}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);max-width:calc(100vw - 32px);border-radius:8px;background:#172033;color:#fff;padding:13px 20px;box-shadow:0 6px 25px #0002;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:10}.toast.visible{opacity:1;transform:translate(-50%,0)}.mobile-only{display:none}.error-page{max-width:600px;margin:12vh auto;padding:24px}.error-page h1{margin:20px 0 12px}.error-page .button{margin-top:22px}.choice-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:16px 0}.choice{min-height:50px;border:1px solid #c9d6df;background:#fff;border-radius:7px;padding:12px;color:var(--ink);font-weight:650;overflow-wrap:anywhere}.choice.selected{border:2px solid var(--green);background:#e8f5ee}.mode-toggle{margin:8px 0 18px;max-width:300px}.reward-history{margin-top:36px}.readout{color:var(--green);font-size:13px;margin-top:12px}.skeleton{padding:60px;text-align:center;color:var(--muted)}
@keyframes bounce{to{transform:translateY(-7px) rotate(2deg)}}
@media(min-width:1400px){.content{padding-top:38px}.map{max-width:900px}}
@media(max-width:1000px){.reward-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.subject-tile{padding:17px 12px}.app-shell{grid-template-columns:190px minmax(0,1fr)}.topbar{padding:14px 22px}.content{padding:24px 22px 40px}.mission-list{grid-template-columns:1fr}.chapter-item strong{font-size:12px}}
@media(max-width:720px){.app-shell{display:block}.sidebar{position:fixed;top:auto;bottom:0;left:0;right:0;width:100%;height:auto;border-top:1px solid var(--line);border-right:0;padding:6px 8px calc(6px + env(safe-area-inset-bottom));z-index:5;gap:0}.sidebar>.brand,.sidebar-bottom{display:none}.navigation{display:flex;gap:4px;justify-content:space-around}.nav-item{flex:1;min-width:0;min-height:58px;flex-direction:column;gap:5px;justify-content:center;font-size:11px;padding:8px 2px}.nav-item .icon{width:22px;height:22px}.topbar{height:auto;min-height:72px;padding:calc(12px + env(safe-area-inset-top)) 18px 12px}.topbar-title{font-size:17px}.topbar-sub{font-size:11px}.coin-pill{font-size:14px;padding:8px 12px}.content{padding:24px 17px calc(100px + env(safe-area-inset-bottom))}.page-heading{margin-bottom:18px}.page-heading h1{font-size:25px}.page-heading>.button{padding:10px;min-width:44px}.page-heading>.button span{display:none}.stats{gap:8px}.stat{padding:11px 9px}.stat strong{font-size:23px}.stat span{font-size:11px}.mission{padding:17px 14px;gap:12px}.mission .mission-icon{width:40px;height:40px}.reward-grid{gap:10px}.reward{padding:15px}.reward h3{font-size:16px}.reward .price{font-size:20px}.reward .button{font-size:12px;padding:10px 8px;gap:5px}.reward p{font-size:13px}.subject-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.subject-tile{min-height:129px;padding:17px}.map{margin:18px -17px 0;width:calc(100% + 34px);max-width:none}.map-node{width:45px;height:45px;border-width:3px;font-size:17px}.chapter-list{grid-template-columns:1fr;gap:0;margin-top:16px}.chapter-item{background:transparent;border-bottom:1px solid var(--line);border-radius:0;padding:13px 0;display:flex;justify-content:space-between;gap:14px;align-items:center}.chapter-item strong{font-size:14px}.chapter-item small{margin:0;white-space:nowrap}.question{font-size:22px}.analytics-grid{grid-template-columns:1fr;gap:8px}.accuracy-row{grid-template-columns:105px 1fr 38px;gap:9px;font-size:13px}.chart{gap:5px}.toast{bottom:calc(88px + env(safe-area-inset-bottom));width:max-content;max-width:calc(100vw - 30px);font-size:14px}.mobile-only{display:block}.auth{margin:4vh auto}.table th,.table td{padding:12px 7px}.button-row{gap:8px}.lesson-tools .button{padding:10px 12px;font-size:13px}.choice-list{gap:8px}.lesson-meta{gap:7px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.coach-note{display:flex;align-items:flex-start;gap:10px;color:#506b77;font-size:14px;line-height:1.6;margin:0 0 20px}.coach-note .icon{flex-shrink:0;width:21px;height:21px;margin-top:1px}.coach-note span{min-width:0;overflow-wrap:anywhere}