/* AixyunOS' three-column focus composition and bamboo accent. */
body[data-page="study"] .site-header,body[data-page="study"] .site-footer,body[data-page="study"] .preview-strip,body[data-page="study"] #up-focus-mini{display:none!important}body[data-page="study"]{padding:0!important;background:#142921}body[data-page="study"] #main{padding:0!important;min-height:100svh}
.up-study{--accent:#2f9e63;--accent-strong:#247a4c;--radius:10px;--radius-sm:7px;position:fixed;inset:0;z-index:100;display:flex;flex-direction:column;background:rgba(8,14,10,.72);color:#e9f2ec;font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;isolation:isolate}
.up-study *{box-sizing:border-box}.up-study h2,.up-study p{margin:0}.fv-background{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:blur(6px) brightness(.65);z-index:-2}.up-study:before{content:"";position:absolute;inset:0;background:rgba(8,20,14,.61);z-index:-1}
.up-study .btn,.up-study .chip{font:inherit;line-height:1.4;cursor:pointer;color:inherit;border:1px solid rgba(233,242,236,.25);background:rgba(233,242,236,.08);text-decoration:none;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;transition:background .15s}.up-study .btn{border-radius:7px;padding:8px 16px}.up-study .chip{font-size:13px;border-radius:999px;padding:6px 13px}.up-study .btn:hover,.up-study .chip:hover{background:rgba(233,242,236,.16)}.up-study .btn:disabled,.up-study .chip:disabled{opacity:.4;cursor:not-allowed}.up-study .btn-primary,.up-study .chip.active{background:var(--accent);border-color:var(--accent);color:#fff}.up-study .btn-primary:hover{background:var(--accent-strong)}.up-study .btn-ghost{background:none;border-color:transparent}.up-study button:focus-visible,.up-study a:focus-visible,.up-study input:focus-visible{outline:2px solid #72d798;outline-offset:3px}.up-study [hidden]{display:none!important}
.fv-top{padding:12px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex:none}.fv-top>div{display:flex;gap:16px;align-items:center}.fv-top span{color:rgba(233,242,236,.5);font-size:13px}.fv-body{display:flex;gap:18px;padding:0 22px 20px;flex:1;min-height:0}.fv-tasks-panel,.fv-ai{width:320px;flex:none;background:rgba(233,242,236,.06);border:1px solid rgba(233,242,236,.14);border-radius:10px;padding:14px 16px;display:flex;flex-direction:column;min-height:0}.up-study .fv-card-title{font-size:13px;font-weight:600;color:rgba(233,242,236,.7);margin:0 0 10px}.fv-tasks-panel #fp-study-task{overflow-y:auto;flex:1;min-height:0}.fv-task-list{display:grid;gap:10px}.fv-focus-task{display:flex;align-items:flex-start;gap:9px;width:100%;border:1px solid rgba(233,242,236,.14);background:rgba(233,242,236,.04);border-radius:7px;padding:10px 12px;color:inherit;text-align:left;cursor:pointer}.fv-focus-task.selected{background:rgba(47,158,99,.12);border-color:rgba(47,158,99,.45)}.fv-focus-task b{font-weight:500;display:block;font-size:14px;line-height:1.6;overflow-wrap:anywhere}.fv-focus-task small{display:block;color:rgba(233,242,236,.5);font-size:11px;line-height:1.6;margin-top:3px;overflow-wrap:anywhere}.fv-focus-dot{width:8px;height:8px;border-radius:50%;background:rgba(233,242,236,.25);margin-top:7px;flex:none}.selected .fv-focus-dot{background:var(--accent)}.fv-task-actions{display:flex;gap:8px;margin-top:12px;padding-top:8px;border-top:1px solid rgba(233,242,236,.1)}.fv-task-actions>*{flex:1;min-width:0}.fv-done-section{font-size:12px;margin-bottom:12px;color:rgba(233,242,236,.5)}.fv-done-section summary{cursor:pointer}.fv-done-item{padding:6px 0;text-decoration:line-through}.fv-all-done{padding:26px 10px;border:1px solid rgba(47,158,99,.35);background:rgba(47,158,99,.12);border-radius:7px;text-align:center;color:rgba(233,242,236,.45)}.fv-free{margin-top:12px}.fv-main{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;overflow-y:auto;padding:0 4px}.up-study .fv-hint{border:1px solid rgba(233,242,236,.16);border-radius:7px;background:rgba(233,242,236,.06);font-size:14px;color:rgba(233,242,236,.6);padding:8px 16px;margin:6px 0 20px;text-align:center;max-width:100%;overflow-wrap:anywhere}.fv-timer{width:100%;display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:22px}.fv-timer-ring{position:relative;width:min(100%,calc(100svh - 520px),720px);min-width:220px;aspect-ratio:1;margin:0 auto 16px;flex:none}.fv-timer-ring svg{width:100%;height:100%;transform:rotate(-90deg)}.fv-timer-ring circle{fill:none;stroke-width:5}.fv-ring-bg{stroke:rgba(233,242,236,.1)}#fv-progress{stroke:var(--accent);stroke-dasharray:100;stroke-dashoffset:0;stroke-linecap:round;transition:stroke-dashoffset .5s linear}.fv-time{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:clamp(32px,4.5vw,76px);font-weight:700;letter-spacing:3px;font-variant-numeric:tabular-nums;white-space:nowrap}.fv-active-title{font-size:13px;color:rgba(233,242,236,.65);max-width:90%;overflow-wrap:anywhere;margin-bottom:14px!important}.fv-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:16px}.fv-chip-sep{opacity:.3}.up-study .chip.warm{color:#da9b52;border-color:rgba(218,155,82,.4)}.fv-controls{display:flex;justify-content:center;gap:10px}.fv-status{font-size:12px;color:rgba(233,242,236,.5);padding:8px}.fv-panels{margin-top:auto;width:min(420px,100%);padding-bottom:8px}.fv-card{background:rgba(233,242,236,.06);border:1px solid rgba(233,242,236,.14);border-radius:10px;padding:14px 16px}.fv-sounds{justify-content:flex-start;margin-bottom:18px}#fv-stat{font-size:15px}.fv-ai-context{font-size:11px;color:rgba(233,242,236,.5);margin:0 0 12px!important;overflow-wrap:anywhere}.ai-log{flex:1;min-height:120px;overflow:auto;display:flex;flex-direction:column;gap:10px;padding:4px 2px;margin-bottom:10px}.ai-msg{font-size:13px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere;border-radius:7px;padding:8px 12px;max-width:92%;flex:none}.ai-msg.bot{background:rgba(233,242,236,.1);align-self:flex-start}.ai-msg.user{background:var(--accent);align-self:flex-end}.ai-quick{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.ai-input-row{display:flex;gap:8px;margin:0}.ai-input-row input{flex:1;min-width:0;border:1px solid rgba(233,242,236,.25);background:rgba(233,242,236,.08);border-radius:7px;color:inherit;font:inherit;padding:8px 10px;box-shadow:none}.ai-input-row input::placeholder{color:rgba(233,242,236,.4)}.ai-input-row .btn{padding:8px 14px}.fv-muted,.fv-ai-state{font-size:12px;color:rgba(233,242,236,.55)}.fv-ai-state{margin-bottom:6px!important}.fv-capture{white-space:normal!important;margin-bottom:8px}.up-study .fp-save-notice{background:rgba(233,242,236,.1);color:inherit;border:1px solid rgba(233,242,236,.2);padding:6px;font-size:12px}.up-study .fp-save-notice .button{color:inherit;background:transparent}
.fp-space-wallpaper{position:fixed;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;filter:brightness(.72)}body[data-page="me"]:has(.fp-space-wallpaper){background:transparent}.fp-dashboard:has(.fp-space-wallpaper){position:relative}.fp-dashboard:has(.fp-space-wallpaper)>.fp-page-heading{color:#fff;text-shadow:0 1px 5px #203326}.fp-dashboard:has(.fp-space-wallpaper)>.fp-page-heading p,.fp-dashboard:has(.fp-space-wallpaper)>.fp-page-heading .y-kicker{color:#e9f2ec}.fp-dashboard:has(.fp-space-wallpaper) .fp-overview,.fp-dashboard:has(.fp-space-wallpaper) .fp-planner,.fp-dashboard:has(.fp-space-wallpaper) .fp-reading,.fp-dashboard:has(.fp-space-wallpaper) .fp-my-card,.fp-dashboard:has(.fp-space-wallpaper) .fp-shortcuts{background:rgba(255,255,255,.94);backdrop-filter:blur(12px)}
@media(min-width:901px) and (max-height:740px){.fv-timer-ring{width:min(100%,calc(100svh - 480px));min-width:200px}.fv-hint{margin-bottom:8px!important}.fv-timer{margin-bottom:6px}.fv-time{font-size:clamp(28px,4vw,58px)}.fv-card{padding:10px 14px}.fv-sounds{margin-bottom:8px}.fv-timer-ring{margin-bottom:6px}}
@media(max-width:1100px) and (min-width:901px){.fv-tasks-panel,.fv-ai{width:260px}.fv-body{gap:12px;padding:0 14px 14px}.fv-time{font-size:clamp(30px,4vw,56px)}}
@media(max-width:900px){.up-study{position:relative;min-height:100svh;height:auto}.fv-background,.up-study:before{position:fixed}.fv-body{flex-direction:column;overflow:visible;padding:0 14px 20px}.fv-tasks-panel,.fv-ai{width:100%;min-height:0}.fv-tasks-panel{max-height:240px}.fv-main{overflow:visible;padding:0}.fv-timer-ring{width:min(84vw,520px);min-width:0}.fv-time{font-size:clamp(32px,8vw,64px)}.fv-ai{min-height:360px}.ai-log{max-height:420px}.fv-panels{margin:8px 0 12px}.fv-top{padding:12px 14px}.fv-top span{display:none}.fv-hint{margin-top:0!important}.fp-page-heading>.button{flex:none}.fv-ai-context{margin-bottom:8px!important}}
@media(prefers-reduced-motion:reduce){.up-study *{transition:none!important}}

.up-study .fv-ai .ai-input-row input{background:rgba(233,242,236,.08)!important;color:#e9f2ec!important;border-color:rgba(233,242,236,.25)!important}.up-study .fv-ai .ai-input-row input::placeholder{color:rgba(233,242,236,.4)!important}.up-study .btn,.up-study .chip{min-height:0;box-shadow:none}

.up-study .fv-card #fv-stat{color:#d9e5d5!important}

.fv-timer-ring{container-type:inline-size}.fv-timer-ring .fv-time{font-size:clamp(26px,14cqw,76px)}
.fv-top>div .btn-ghost{padding:6px 8px}@media(max-width:600px){.fv-top{gap:6px}.fv-top>div{gap:4px}}

/* One complete blink per second: digits hidden for .5s, shown for .5s. */
.up-study.fv-timeup #fv-progress{stroke:#e6b86a}.up-study.fv-timeup .fv-time{color:#f4cc88}.up-study.fv-alerting .fv-time{animation:fv-timeup-blink 1s steps(1,end) infinite}
@keyframes fv-timeup-blink{0%{opacity:0}50%,100%{opacity:1}}
.up-study .fv-extension{width:min(420px,100%);border:1px solid rgba(230,184,106,.5);border-radius:10px;background:rgba(230,184,106,.08);padding:10px 12px;margin-top:12px;text-align:left}
.up-study .fv-extension h2{font-size:14px;color:#f4cc88}.up-study .fv-extension p{font-size:12px;color:rgba(233,242,236,.7);margin:4px 0}.up-study .fv-extension form{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:8px 0 0}.up-study .fv-extension label{display:flex;align-items:center;gap:6px;font-size:13px;min-width:0;margin:0}.up-study .fv-extension input{width:78px;min-width:0;padding:7px 8px;background:rgba(233,242,236,.08);color:#e9f2ec;border:1px solid rgba(233,242,236,.3);border-radius:7px;font:inherit}.up-study .fv-extension .btn{padding:8px 10px}.up-study .fv-extension .fv-extend-error{color:#f4cc88}.up-study .fv-extension .fv-extend-error:empty{display:none}#up-focus-mini.fv-timeup{outline:2px solid #da9b52;outline-offset:2px}
@media(max-width:380px){.up-study .fv-extension form{flex-direction:column;align-items:stretch}.up-study .fv-extension label{justify-content:center}}
@media(prefers-reduced-motion:reduce){.up-study.fv-alerting .fv-time{animation:none!important;opacity:1!important}}