:root{--motion-fast:180ms;--motion-enter:560ms;--motion-ease:cubic-bezier(.2,.7,.2,1)}
html[data-motion=full]{scroll-behavior:smooth}html[data-motion=reduce]{scroll-behavior:auto}
.hero{position:relative;isolation:isolate}.aurora{position:absolute;inset:-25px -12px;z-index:-1;overflow:hidden;pointer-events:none;border-radius:32px;contain:paint}.aurora i{position:absolute;width:75%;height:90%;border-radius:45%;background:radial-gradient(ellipse,rgba(66,151,121,.24),rgba(75,171,158,.09) 48%,transparent 70%);opacity:.75}.aurora i:nth-child(1){left:-12%;top:-20%}.aurora i:nth-child(2){right:-20%;bottom:-35%;background:radial-gradient(ellipse,rgba(219,155,76,.23),rgba(181,148,108,.08) 50%,transparent 70%)}.aurora i:nth-child(3){width:42%;height:65%;right:10%;top:-30%;background:radial-gradient(ellipse,rgba(76,146,189,.20),transparent 70%)}
html[data-motion=full] .aurora i{animation:aurora-drift 17s ease-in-out infinite alternate}html[data-motion=full] .aurora i:nth-child(2){animation-duration:23s;animation-delay:-7s}html[data-motion=full] .aurora i:nth-child(3){animation-duration:19s;animation-delay:-11s}
@keyframes aurora-drift{from{transform:translate3d(-4%,-3%,0) rotate(-9deg) scale(.94)}to{transform:translate3d(17%,12%,0) rotate(13deg) scale(1.1)}}
html[data-motion=full] .hero-art .sun{animation:garden-float 6s ease-in-out infinite alternate;transform-box:fill-box;transform-origin:center}html[data-motion=full] .hero-art .leaf{animation:garden-sway 8s ease-in-out infinite alternate;transform-box:fill-box;transform-origin:bottom center}@keyframes garden-float{from{transform:translateY(-5px)}to{transform:translateY(6px)}}@keyframes garden-sway{from{transform:rotate(-1.5deg)}to{transform:rotate(2deg)}}html[data-motion-paused=true] .hero-art .sun,html[data-motion-paused=true] .hero-art .leaf,.hero-art[data-visible=false] .sun,.hero-art[data-visible=false] .leaf{animation-play-state:paused!important}
html[data-motion-paused=true] .aurora i,.aurora[data-visible=false] i{animation-play-state:paused!important}
.motion-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.motion-toggle{font-size:12px;padding:8px 12px;border:1px solid var(--line);border-radius:20px;background:var(--surface);color:var(--text);min-height:44px;cursor:pointer}
html[data-motion=full] :is(.button,.news-card,.project,.entry,nav a,.tool-card){transition:transform var(--motion-fast) var(--motion-ease),box-shadow var(--motion-fast) var(--motion-ease),background-color var(--motion-fast)}
html[data-motion=full] [data-press=true]{transform:scale(.975)!important;box-shadow:0 0 0 3px var(--wash)}
@media(hover:hover) and (pointer:fine){html[data-motion=full] :is(.news-card,.project,.tool-card):hover{transform:translateY(-4px);box-shadow:0 9px 22px rgba(35,65,56,.09)}html[data-motion=full] .button:hover{transform:translateY(-2px)}}
.site-header[data-scrolled=true]{border-bottom-color:var(--green)}.scroll-line{position:fixed;left:0;top:0;width:100%;height:3px;background:var(--green);transform:scaleX(0);transform-origin:left;z-index:100;pointer-events:none}
.countdown-digits{display:flex;gap:clamp(6px,2vw,14px);flex-wrap:wrap;align-items:baseline;font-variant-numeric:tabular-nums;letter-spacing:0}.countdown-part{display:inline-flex;align-items:baseline;gap:5px}.countdown-part strong{display:inline-block;min-width:2ch;line-height:1.2;font:inherit;font-weight:600}.countdown-part small{font:400 13px sans-serif;color:var(--muted)}#home-countdown .countdown-digits{margin-top:8px;font-size:23px}.countdown-caption{font-size:13px;color:var(--muted);display:block;margin-bottom:8px}.countdown{font-size:clamp(28px,4vw,48px)}
.study-mode-controls{display:flex;gap:8px;margin:14px 0}.study-progress{height:9px;border-radius:10px;background:var(--wash);overflow:hidden}.study-progress span{display:block;height:100%;background:var(--green);transform-origin:left;transition:transform 600ms var(--motion-ease)}.study-subject{margin:15px 0}.study-subject p{margin:0 0 7px}.goal-list li[data-complete=true]{border-left:3px solid var(--green);padding-left:14px}.completion-mark{display:inline-block;color:var(--green);margin-right:8px}.study-toast{position:fixed;bottom:max(24px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);padding:12px 20px;max-width:calc(100% - 32px);border:1px solid var(--line);border-radius:16px;background:var(--surface);color:var(--text);z-index:90;box-shadow:0 5px 22px #0002;pointer-events:none;white-space:nowrap}
body[data-study-mode=sprint]{--bg:#101b21;--surface:#16272e;--wash:#20383f;--text:#edf1e7;--muted:#bbccc9;--green:#9cd4a9;--accent:#e9b876;--line:#31494e;background:var(--bg);color:var(--text)}body[data-study-mode=sprint] .battle-hero{position:relative;isolation:isolate}body[data-study-mode=sprint] .battle-hero:before{content:'';position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at 25% 10%,#3e756336,transparent 65%),radial-gradient(ellipse at 90% 50%,#ca97351c,transparent 60%);border-radius:24px}html[data-motion=full] body[data-study-mode=sprint] .battle-hero:before{animation:sprint-glow 10s ease-in-out infinite alternate}@keyframes sprint-glow{from{opacity:.35;transform:translateY(-5px)}to{opacity:1;transform:translateY(5px)}}html[data-motion-paused=true] .battle-hero:before,.battle-hero[data-visible=false]:before{animation-play-state:paused!important}
.filters[data-news-filters]{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;align-items:end}.filters[data-news-filters] label{display:flex;flex-direction:column;gap:8px;min-width:0;margin:0}.filters[data-news-filters] input,.filters[data-news-filters] select{box-sizing:border-box;width:100%;min-width:0;min-height:44px}.filters[data-news-filters] .check-label{grid-column:1/-1;flex-direction:row;align-items:center;min-height:44px;padding:8px 0}.filters[data-news-filters] .check-label input{flex:0 0 22px;width:22px!important;height:22px;min-height:22px!important;margin:0}
dialog[open]{scrollbar-gutter:stable}dialog textarea{resize:vertical}.intake-draft{margin:20px 0}.intake-draft textarea{width:100%;box-sizing:border-box;min-height:180px}.intake-picker{max-height:260px;overflow:auto}.intake-picker button{display:block;width:100%;text-align:left;margin:8px 0;overflow-wrap:anywhere}
@media(max-width:800px){.filters[data-news-filters]{grid-template-columns:repeat(2,minmax(0,1fr))}.header-actions .motion-toggle{font-size:11px}.aurora{inset:-10px 0}.aurora i{width:100%}.countdown-digits{gap:8px}}
@media(max-width:480px){.filters[data-news-filters]{grid-template-columns:minmax(0,1fr)}.filters[data-news-filters] .check-label{margin-top:2px}.header-actions{flex-wrap:wrap}.countdown-part small{font-size:12px}.study-toast{font-size:13px}}
html[data-motion=reduce] *,html[data-motion=reduce] *:before,html[data-motion=reduce] *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
@media(prefers-reduced-motion:reduce){.aurora i,.battle-hero:before{animation:none!important}}

.motion-toggle{inline-size:112px;flex-shrink:0;white-space:nowrap}