:root{--vr-bg: #f4f5f8;--vr-surface: #ffffff;--vr-surface-2: #eef0f4;--vr-border: #e2e5eb;--vr-text: #1c2130;--vr-muted: #6b7280;--vr-accent: #ea580c;--vr-accent-strong: #c2410c;--vr-danger: #dc2626;--vr-ok: #16a34a;--vr-warn: #d97706;--vr-radius: 12px;--vr-max: 720px;--vr-nav-h: 60px;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 24px;--vr-navy: #232838;--vr-navy-2: #2f3549;--vr-on-navy: #ffffff;--vr-on-navy-muted: #a7acbf;--vr-gold: #f5b400}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100%}body{background:var(--vr-bg);color:var(--vr-text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}p,h1,h2,h3,ul,ol{margin:0}a{color:var(--vr-accent);text-decoration:none;transition:color .15s ease}a:hover{color:var(--vr-accent-strong)}button,.btn{display:inline-block;text-align:center;font:inherit;font-weight:600;cursor:pointer;border:1px solid var(--vr-border);background:var(--vr-surface-2);color:var(--vr-text);padding:10px 14px;border-radius:var(--vr-radius);min-height:44px;transition:transform .1s ease,background-color .15s ease,border-color .15s ease,box-shadow .15s ease}button:hover:not(:disabled),.btn:hover{border-color:var(--vr-accent)}button:active:not(:disabled),.btn:active{transform:scale(.98)}button:disabled{cursor:not-allowed;opacity:.55}button:focus-visible,.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--vr-accent);outline-offset:2px}.btn-primary{background:var(--vr-accent);border-color:var(--vr-accent);color:#fff;box-shadow:0 4px 12px -2px #ea580c59}.btn-primary:hover:not(:disabled){background:var(--vr-accent-strong);border-color:var(--vr-accent-strong)}.btn-block{display:block;width:100%}input,select,textarea{font:inherit;width:100%;padding:10px 12px;border-radius:var(--vr-radius);border:1px solid var(--vr-border);background:var(--vr-surface);color:var(--vr-text);min-height:44px;transition:border-color .15s ease}input:hover,select:hover,textarea:hover{border-color:var(--vr-muted)}label{display:block;margin:0 0 var(--sp-1);color:var(--vr-muted);font-size:.85rem}.app-shell{min-height:100dvh;display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px calc(12px + env(safe-area-inset-top));background:var(--vr-navy);color:var(--vr-on-navy);border-bottom:1px solid var(--vr-navy-2)}.app-header .badge{border-color:#ffffff40;color:var(--vr-on-navy-muted)}.app-header a.badge:hover{color:var(--vr-on-navy);border-color:var(--vr-gold)}.session-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 16px;background:#fef3e2;border-bottom:1px solid #fce4b8;font-size:.82rem;color:#92620c}.session-bar strong{color:#6b3f04}.link-btn{background:none;border:none;min-height:unset;padding:0;color:var(--vr-accent);font-size:.82rem;font-weight:600;white-space:nowrap}.link-btn:hover{color:var(--vr-accent-strong);border-color:transparent}.app-header h1{font-size:1.05rem;margin:0;color:var(--vr-on-navy)}.app-main{flex:1;width:100%;max-width:var(--vr-max);margin:0 auto;padding:var(--sp-4) var(--sp-4) calc(var(--vr-nav-h) + var(--sp-5));display:flex;flex-direction:column;gap:var(--sp-4)}.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:10;display:flex;height:calc(var(--vr-nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--vr-navy);border-top:1px solid var(--vr-navy-2)}.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:.72rem;font-weight:600;color:var(--vr-on-navy-muted);transition:color .15s ease}.tabbar a:hover{color:var(--vr-on-navy)}.tabbar a.active{color:var(--vr-gold)}.tabbar .tab-icon{font-size:1.15rem;transition:transform .15s ease}.tabbar a.active .tab-icon{transform:translateY(-1px) scale(1.08)}.lang-toggle{min-height:unset;padding:4px 10px;font-weight:700;letter-spacing:.03em}.org-nav{display:flex;gap:8px;overflow-x:auto;padding:10px 16px;background:var(--vr-navy);border-bottom:1px solid var(--vr-navy-2);scrollbar-width:none}.org-nav::-webkit-scrollbar{display:none}.org-nav a{white-space:nowrap;padding:8px 12px;border-radius:999px;color:var(--vr-on-navy-muted);border:1px solid var(--vr-navy-2);font-weight:600;transition:color .15s ease,background-color .15s ease,border-color .15s ease}.org-nav a:hover{color:var(--vr-on-navy);border-color:var(--vr-on-navy-muted)}.org-nav a.active{color:#1c2130;background:var(--vr-gold);border-color:var(--vr-gold)}.org-subnav{display:flex;align-items:center;gap:6px;overflow-x:auto;padding:8px 16px;background:var(--vr-surface);border-bottom:1px solid var(--vr-border);scrollbar-width:none}.org-subnav::-webkit-scrollbar{display:none}.org-subnav-title{flex:none;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-right:6px;padding-right:12px;border-right:1px solid var(--vr-border);font-weight:700}.org-subnav a{white-space:nowrap;padding:6px 10px;border-radius:8px;color:var(--vr-muted);font-weight:600}.org-subnav a:hover{color:var(--vr-text);background:#1e22300d}.org-subnav a.active{color:var(--vr-accent);background:#ea580c1a}.checklist{list-style:none;margin:0;padding:0}.checklist li{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--vr-border)}.checklist li:last-child{border-bottom:0}.checklist .step{flex:none;width:24px;height:24px;display:grid;place-items:center;border-radius:50%;border:2px solid var(--vr-border);font-size:.8rem;font-weight:700;color:var(--vr-muted)}.checklist li.done .step{background:var(--vr-ok);border-color:var(--vr-ok);color:#fff}.checklist .step-body{flex:1;min-width:0}.checklist .step-body p{margin:0}.check-row{display:flex;align-items:center;justify-content:flex-start;gap:8px;cursor:pointer}.check-row input{flex:none;width:auto;min-height:unset}.empty-state{text-align:center;padding:32px 16px}.empty-state p{margin:0 0 12px}tr.clickable-row{cursor:pointer}tr.clickable-row:hover{background:#1e22300a}.challenge-card>summary{cursor:pointer;padding:2px 0 8px}.challenge-card[open]>summary{border-bottom:1px solid var(--vr-border);margin-bottom:8px}.option-card{display:flex;align-items:flex-start;gap:10px;padding:12px;margin:0 0 8px;border:1px solid var(--vr-border);border-radius:var(--vr-radius);cursor:pointer;color:var(--vr-text);font-size:1rem}.option-card:has(input:checked){border-color:var(--vr-accent);background:#ea580c0f}.option-card input{flex:none;width:auto;min-height:unset;margin-top:4px}.card{background:var(--vr-surface);border:1px solid var(--vr-border);border-radius:var(--vr-radius);padding:var(--sp-4);box-shadow:0 1px 3px #1e22300f}.card>*+*{margin-top:var(--sp-3)}.card>h3+*{margin-top:var(--sp-2)}.card>label+*{margin-top:var(--sp-1)}.card .card+.card{padding-top:var(--sp-4);border-top:1px solid var(--vr-border);border-radius:0}.card form.stack>*+*{margin-top:var(--sp-4)}.challenge-card>button{margin-top:var(--sp-4)}.card .card{padding:0;border:0;border-radius:0;box-shadow:none;background:transparent}.muted{color:var(--vr-muted)}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.stack>*+*{margin-top:12px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.badge{display:inline-block;flex:none;white-space:nowrap;padding:2px 8px;border-radius:999px;font-size:.72rem;border:1px solid var(--vr-border);color:var(--vr-muted)}.badge.ok{color:var(--vr-ok);border-color:var(--vr-ok)}.badge.bad{color:var(--vr-danger);border-color:var(--vr-danger)}.badge.warn{color:var(--vr-warn);border-color:var(--vr-warn)}.progress{height:8px;border-radius:999px;background:var(--vr-surface-2);overflow:hidden}.progress>span{display:block;height:100%;background:var(--vr-accent);transition:width .4s ease}.list{list-style:none;margin:0;padding:0}.list>li{padding:12px 0;border-bottom:1px solid var(--vr-border)}.list>li:last-child{border-bottom:none}.todo{font-size:.8rem;color:var(--vr-warn);border-left:3px solid var(--vr-warn);padding-left:8px}.page-title{margin:0;font-size:1.35rem}.page-sub{margin:var(--sp-1) 0 0;color:var(--vr-muted)}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{text-align:left;padding:10px var(--sp-2);border-bottom:1px solid var(--vr-border)}th{color:var(--vr-muted);font-weight:600}.center-screen{min-height:100dvh;display:grid;place-items:center;padding:24px;background:var(--vr-bg)}.auth-card{width:100%;max-width:380px}.guide summary{cursor:pointer;font-weight:600;color:var(--vr-accent);list-style:none}.guide summary::-webkit-details-marker{display:none}.guide summary:before{content:"▸";display:inline-block;margin-right:6px;transition:transform .15s ease}.guide[open] summary:before{transform:rotate(90deg)}.guide>p,.guide>div{margin-top:12px}.guide h3{font-size:.95rem;margin:0 0 4px}.guide ol{margin:0;padding-left:20px;color:var(--vr-muted)}.guide li{margin-bottom:4px}@media (min-width: 900px){:root{--vr-max: 960px}}.list>li>.row+*{margin-top:var(--sp-2)}.list h3{margin:0 0 var(--sp-1)}.checklist p{margin-top:2px}.card>.row+*{margin-top:var(--sp-3)}td select{margin-top:var(--sp-1);min-height:36px;padding:var(--sp-1) var(--sp-2)}@media (max-width: 640px){.app-main>table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}th,td{white-space:nowrap}}@media (max-width: 480px){.checklist li{flex-wrap:wrap}.checklist li>a.btn,.checklist li>button{flex:1 0 100%}}.grid-2>*{min-width:0}.list>li>.row+.grid-2{margin-top:var(--sp-3)}pre{font-size:.8rem;line-height:1.5}@media (max-width: 480px){.grid-2.stack-sm{grid-template-columns:1fr}}.back-link{display:inline-flex;align-items:center;gap:var(--sp-1);min-height:32px;margin-bottom:var(--sp-1);color:var(--vr-muted);font-size:.9rem;font-weight:600}.back-link:hover{color:var(--vr-accent)}.app-shell.no-tabbar .app-main{padding-bottom:var(--sp-5)}