/* Motion is progressive enhancement: all content remains usable without it. */
:root{--ease-out:cubic-bezier(.2,.75,.25,1);--scroll-progress:0}
html.motion-on{scroll-behavior:smooth;scroll-padding-top:95px}
#snow{z-index:2;contain:strict;opacity:.85}
#snow canvas{display:block;pointer-events:none}
html:not(.motion-on) #snow{display:none}
.topbar{position:sticky;top:0;z-index:6;background:#0b1420ba;backdrop-filter:blur(24px) saturate(135%);-webkit-backdrop-filter:blur(24px) saturate(135%)}
.topbar::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;background:linear-gradient(90deg,transparent,var(--ice));transform:scaleX(var(--scroll-progress));transform-origin:left;opacity:.6;pointer-events:none}
.has-scrolled .topbar{background:#0b1420e6;box-shadow:0 8px 28px #00000014}
[data-theme=light] .topbar{background:#f3f9fcb8}
[data-theme=light] .has-scrolled .topbar{background:#f3f9fce8;box-shadow:0 8px 28px #3763810a}
.motion-on button{transition:background-color .2s,border-color .2s,color .2s,box-shadow .25s,transform .25s var(--ease-out)}
.motion-on button:active:not(:disabled){transform:translateY(0) scale(.97);transition-duration:.08s}
.motion-on nav button{transition:background-color .25s,color .25s,border-color .25s,transform .2s}
nav button.active{box-shadow:inset 2px 0 0 var(--ice)}
.motion-on nav button span:first-child{transition:transform .3s var(--ease-out)}
@media(hover:hover) and (pointer:fine){.motion-on nav button:hover span:first-child{transform:translateY(-2px)}.motion-on .chapter:hover,.motion-on .reward:hover{transform:translateY(-3px);border-color:#59819b;box-shadow:0 12px 32px #0002}.motion-on .card:hover{box-shadow:0 12px 32px #00000012}[data-theme=light].motion-on .chapter:hover,[data-theme=light].motion-on .reward:hover{border-color:#99bfd4;box-shadow:0 12px 32px #477c9c12}}
.motion-on .card{transition:border-color .3s,box-shadow .35s,transform .35s var(--ease-out)}
.motion-on .reveal-pending{opacity:0}
.motion-on .quest{transition:background-color .35s,border-color .35s}
.quest.done{border-color:#4d9a8066;background:#15332944}
[data-theme=light] .quest.done{background:#e8f6ee;border-color:#a8d0bb}
.check[aria-pressed=true]{background:#285543;color:#c2ffe3;border-color:#579d7b}
[data-theme=light] .check[aria-pressed=true]{background:#d4ebdd;color:#245e41;border-color:#79ad8d}
.motion-on input,.motion-on select,.motion-on textarea{transition:border-color .2s,box-shadow .2s,background-color .2s}
input:focus,select:focus,textarea:focus{border-color:var(--ice);box-shadow:0 0 0 3px #73ccef15}
.motion-on dialog[open]{animation:sheet-in .24s var(--ease-out)}
.motion-on dialog[open]::backdrop{animation:backdrop-in .2s ease-out}
.motion-on #toast{transition:opacity .25s,transform .35s var(--ease-out)}
.motion-on .xp-track span,.motion-on .track span{transition:width .7s var(--ease-out)}
.motion-on .companion-stage::after{animation:companion-shadow 3s ease-in-out infinite}
.motion-on .pet{filter:drop-shadow(0 6px 14px #70caff18)}
.motion-on .brand-icon{animation:frost-glow 7s ease-in-out infinite}
.motion-on details[open]>:not(summary){animation:detail-in .25s var(--ease-out)}
.prose summary{padding:4px 0;border-radius:5px;transition:color .2s}
.prose summary:hover{color:var(--ice)}
#back-to-top{position:fixed;right:25px;bottom:85px;z-index:9;width:42px;height:42px;padding:0;border-radius:50%;background:#14283ad9;border:1px solid #42647a;backdrop-filter:blur(18px);box-shadow:0 6px 22px #0002;font-size:20px}
[data-theme=light] #back-to-top{background:#f5fbffdf;border-color:#b4d1e2}
.focus-only #back-to-top{display:none}
.motion-on #back-to-top:not([hidden]){animation:detail-in .25s ease-out}
#motion-toggle[aria-pressed=true]{color:var(--ice);background:#8bdfff0b}
.motion-on .chart polyline{animation:chart-in .45s ease-out}
.motion-on .achievement.unlocked .achievement-symbol{filter:drop-shadow(0 0 6px #90e3ff30)}
body.page-hidden *,body.page-hidden *::before,body.page-hidden *::after{animation-play-state:paused!important}
@keyframes sheet-in{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes backdrop-in{from{opacity:0}to{opacity:1}}
@keyframes detail-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@keyframes chart-in{from{opacity:0}to{opacity:1}}
@keyframes companion-shadow{0%,100%{transform:scale(1);opacity:.8}50%{transform:scale(.82);opacity:.45}}
@keyframes frost-glow{0%,100%{filter:drop-shadow(0 0 0 transparent)}50%{filter:drop-shadow(0 0 6px #8bddff50)}}
@media(max-width:550px){.top-tools{gap:3px}.top-tools .icon-button{padding:5px 8px}#back-to-top{bottom:137px;right:14px}html.motion-on{scroll-padding-top:75px}}
@media(prefers-reduced-motion:reduce){html.motion-on{scroll-behavior:auto}.reveal-pending{opacity:1!important}#snow{display:none!important}*,*::before,*::after{animation:none!important;transition:none!important}}
body.still .reveal-pending{opacity:1!important}

.evolution-reveal{width:180px;height:180px;object-fit:contain;image-rendering:pixelated;filter:drop-shadow(0 0 18px #b987ff60)}.motion-on .evolution-reveal{animation:evolution-in .9s var(--ease-out)}@keyframes evolution-in{from{opacity:0;transform:translateY(15px) scale(.65);filter:brightness(2) drop-shadow(0 0 30px #b987ff)}to{opacity:1;transform:translateY(0) scale(1)}}

/* Gradients keep the glass appearance without repeatedly blurring page pixels. */
.card,.sidebar,.topbar,#timer-dock,#back-to-top{backdrop-filter:none;-webkit-backdrop-filter:none}
dialog::backdrop{backdrop-filter:none;-webkit-backdrop-filter:none}
.motion-on .brand-icon{animation:none}
.motion-on .card{transition:border-color .25s,transform .25s var(--ease-out)}
.chapter{content-visibility:auto;contain-intrinsic-size:auto 190px}
.topbar,.has-scrolled .topbar{background:#0b1420}
[data-theme=light] .topbar,[data-theme=light] .has-scrolled .topbar{background:#f3f9fc}

/* Phone layout: labeled tabs, safe areas, readable forms, and light rendering. */
.mobile-label,nav .mobile-more{display:none}
.mobile-menu{display:grid;gap:6px}
.mobile-menu button{display:flex;align-items:center;gap:14px;text-align:left;min-height:48px}
.mobile-menu button span:nth-child(2){flex:1}
.mobile-menu button[aria-current=page]{border-color:var(--ice);color:var(--ice)}
@media(max-width:700px),(max-height:500px) and (max-width:1000px){
 html{scroll-padding-top:80px}
 html.motion-on{scroll-padding-top:80px}
 body{-webkit-text-size-adjust:100%;font-size:16px}
 .sidebar{inset:auto 0 0;top:auto!important;width:100%;height:auto;padding:6px max(8px,env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));border-top:1px solid var(--line);border-right:0;z-index:20;background:var(--bg)}
 [data-theme=light] .sidebar{background:#f3f9fc}
 .brand,.season-label,.sidebar-bottom{display:none}
 #nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));height:60px;margin:0;gap:4px}
 #nav button{min-width:0;min-height:54px;display:none;padding:5px 2px;border-radius:12px;gap:2px;flex-direction:column;justify-content:center}
 #nav button[data-page=basecamp],#nav button[data-page=syllabus],#nav button[data-page=focus],#nav button[data-page=life],#nav .mobile-more{display:flex}
 #nav button[data-page=basecamp]{order:0}#nav button[data-page=syllabus]{order:1}#nav button[data-page=focus]{order:2}#nav button[data-page=life]{order:3}#nav .mobile-more{order:4}
 #nav .nav-label{display:none}
 #nav button span:first-child{font-size:22px;line-height:26px;width:auto}
 #nav .mobile-label{display:block;font-size:10px;line-height:16px;width:auto;flex:none;letter-spacing:.2px;text-align:center}
 #nav button.active{box-shadow:none}
 .shell{margin-left:0;padding-bottom:calc(92px + env(safe-area-inset-bottom))}
 .topbar{height:calc(64px + env(safe-area-inset-top));padding:env(safe-area-inset-top) max(12px,env(safe-area-inset-right)) 0 max(16px,env(safe-area-inset-left));gap:8px}
 .topbar>div:first-child{min-width:0;flex:1}
 .topbar .breadcrumb,.topbar .slash,.avatar-initial,#today-label{display:none}
 #page-label{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:600}
 .top-tools{gap:2px;flex-shrink:0}
 .top-tools .icon-button{width:44px;height:44px;padding:0;display:grid;place-items:center}
 main{padding:22px max(14px,env(safe-area-inset-right)) 24px max(14px,env(safe-area-inset-left));max-width:100%}
 main>*,.card,.two-col>*,.three-col>*,.settings-grid>*,.focus-layout>*{min-width:0}
 .page-heading{align-items:flex-start;flex-wrap:wrap;gap:14px;margin-bottom:22px}
 .page-heading>div{flex:1 1 230px;min-width:0}
 .page-heading h1{font-size:28px;line-height:1.2;letter-spacing:-.8px}
 .page-heading p{font-size:14px;line-height:1.55}
 button,button.small,.page-heading .primary{min-height:44px;font-size:14px;padding:10px 14px;touch-action:manipulation}
 .section-head{flex-wrap:wrap;align-items:flex-start;gap:12px}
 .section-head h2{font-size:18px}
 .card{padding:18px;border-radius:18px}
 .two-col,.focus-layout,.settings-grid{grid-template-columns:minmax(0,1fr);gap:16px}
 .three-col{grid-template-columns:minmax(0,1fr);gap:12px}
 .banner{min-height:270px;padding:24px 20px;border-radius:20px;background-position:64% center}
 .banner.has-art{background-position:64% center;background-image:linear-gradient(90deg,#071321df,#07132175),url('assets/winter-banner.png')}
 .banner h1{font-size:clamp(28px,7vw,36px);line-height:1.15;letter-spacing:-1px;max-width:440px}
 .banner p{font-size:13px;line-height:1.6}
 .banner-tags{gap:6px}
 .banner-tags .tag{font-size:10px;white-space:normal}
 .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
 .study-stats .stat,.study-stats .stat:nth-child(-n+2){grid-column:auto}
 .study-stats .stat:last-child{grid-column:1/-1}
 .stat{padding:14px}
 .stat-label{font-size:12px}
 .stat-value,.study-stats .stat:nth-child(-n+2) .stat-value,.study-totals .stat-value{font-size:clamp(23px,6vw,29px);letter-spacing:-.5px}
 .study-totals{gap:10px;margin-bottom:16px}
 .stat-foot{font-size:11px;line-height:1.5}
 .companion-stage{height:160px}
 .companion-stage .pet:not(.pixel-pet){width:154px;height:154px}
 .countdown-grid{grid-template-columns:repeat(auto-fit,minmax(108px,1fr));gap:8px}
 .countdown{padding:12px 10px}.countdown strong{font-size:26px}.countdown strong small{display:block;margin:0}
 .tabs{flex-wrap:nowrap;overflow-x:auto;max-width:100%;gap:8px;padding:3px 2px 7px;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
 .tabs button{flex-shrink:0;white-space:nowrap}
 .toolbar{display:grid;grid-template-columns:minmax(0,1fr);gap:10px}
 .toolbar input,.toolbar select{width:100%!important;min-width:0}
 input,select,textarea{font-size:16px;min-height:48px;padding:12px;scroll-margin:90px 0 120px}
 input[type=checkbox]{min-height:0;width:22px;height:22px;flex-shrink:0}
 .check-label{min-height:44px;margin-bottom:12px}
 .chapter-grid,.reward-grid,.achievement-grid{grid-template-columns:minmax(0,1fr);gap:12px}
 .chapter{min-height:180px}
 .chapter h3{font-size:18px}
 .quest{padding:12px;gap:10px}
 .quest .check{width:44px;height:44px;min-width:44px;padding:0;font-size:17px}
 .quest .xp-pill{display:none}
 .quest [data-action=quest-edit]{min-width:40px;padding:8px}
 .week{grid-template-columns:minmax(0,1fr) auto;gap:14px}
 .week-time{grid-column:1}.week-content{grid-row:2;grid-column:1/-1;grid-template-columns:minmax(0,1fr)}
 .week>button{grid-column:2;grid-row:1}
 .week-note{grid-column:auto}
 .focus-card{min-height:0;padding:24px 18px}
 .focus-clock{font-size:clamp(64px,18vw,88px);letter-spacing:-3px;line-height:1.15}
 .focus-controls{gap:8px;margin:22px 0}
 .focus-controls .primary{flex:1 1 100%}
 .focus-config,.form-grid{grid-template-columns:minmax(0,1fr);gap:12px}
 .form-grid .span-two,.focus-config .span-two{grid-column:auto}
 .error-card{flex-direction:column;gap:10px}.error-card>div{min-width:0}
 .table-wrap{overflow:visible}
 .table-wrap table,.table-wrap tbody{display:block;max-width:100%}
 .table-wrap thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
 .table-wrap tr{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:16px 0;border-bottom:1px solid var(--line);gap:12px}
 .table-wrap tr:last-child{border-bottom:0}
 .table-wrap td{display:block;padding:0;border:0;min-width:0;overflow-wrap:anywhere}
 .table-wrap td::before{content:attr(data-label);display:block;font-size:11px;color:var(--muted);margin-bottom:4px}
 .table-wrap td:first-child,.table-wrap td:last-child{grid-column:1/-1}
 .table-wrap td:last-child button{width:100%}
 .session-row{gap:12px;align-items:flex-start}.session-row>div{min-width:0}.session-row strong{flex-shrink:0}
 .quest-text,.weekly-goal,.prose,.chapter,.session-row small{overflow-wrap:anywhere}
 dialog{width:calc(100% - 24px);max-height:calc(var(--visible-height,100dvh) - 32px);padding:20px;overflow-y:auto;overscroll-behavior:contain;border-radius:22px;scroll-padding:16px}
 .dialog-heading{align-items:center;gap:12px}.dialog-heading h2{font-size:21px;overflow-wrap:anywhere}.dialog-heading button{width:44px;height:44px;padding:0;flex-shrink:0}
 .dialog-actions{position:sticky;bottom:-20px;background:var(--surface);padding:14px 0;margin-top:16px;z-index:2;flex-wrap:wrap}
 .dialog-actions button{flex:1}
 #tutorial{inset:auto 12px calc(12px + env(safe-area-inset-bottom));width:calc(100% - 24px);max-height:50dvh;max-height:min(50dvh,calc(var(--visible-height,100dvh) - 24px));padding:20px;border-radius:22px}
 #tutorial .row-actions{justify-content:space-between;position:sticky;bottom:-20px;background:var(--surface);padding:12px 0;margin-top:12px}
 .tour-highlight{scroll-margin-top:84px}
 #celebration{padding:30px 20px}
 .companion-picker{gap:10px}.companion-option{padding:12px 8px;min-width:0}.companion-option strong{font-size:14px}
 .companion-option img:not(.pixel-pet){width:min(110px,100%);height:110px}
 .companion-option img.pixel-pet{width:min(88px,100%);height:100px}
 .evolution-path{gap:6px}.evolution-form{padding:10px 4px}.evolution-form img{height:100px}.evolution-form strong{font-size:12px;display:block;overflow-wrap:anywhere}
 #timer-dock{left:12px;right:12px;bottom:calc(84px + env(safe-area-inset-bottom));padding:8px 12px;font-size:13px;display:flex;align-items:center;justify-content:space-between;gap:6px}
 #timer-dock button{margin-left:0;flex-shrink:0}
 #toast{left:50%;bottom:calc(86px + env(safe-area-inset-bottom));max-width:calc(100% - 24px);width:max-content;font-size:13px;padding:12px 16px}
 .timer-docked #toast{bottom:calc(156px + env(safe-area-inset-bottom))}
 #back-to-top{width:44px;height:44px;right:14px;bottom:calc(88px + env(safe-area-inset-bottom))}
 .timer-docked #back-to-top{bottom:calc(158px + env(safe-area-inset-bottom))}
 .focus-only .shell{padding-bottom:0}.focus-only #toast{bottom:calc(20px + env(safe-area-inset-bottom))}
 .keyboard-open .sidebar,.keyboard-open #timer-dock,.keyboard-open #back-to-top{display:none}
 .keyboard-open .shell{padding-bottom:16px}
 footer{padding:18px 16px;font-size:11px}footer span{display:none}
 #storage-warning{position:relative;font-size:12px;padding:10px 14px;overflow-wrap:anywhere}
 body.test-mode{padding-top:0}body.test-mode .topbar{top:0}
 #snow{opacity:.45}
 .motion-on .pet,.motion-on .companion-stage::after{animation:none}
}
@media(hover:none){button:hover:not(:disabled){transform:none}.motion-on .card:hover{transform:none;box-shadow:none}}