/* 索拉拉OS: a cozy Chinese computer. Warm dusk sky, cream windows, maroon ink, lantern red and gold. */
:root{--sky1:#ffe3d3;--sky2:#ffc9b9;--sky3:#f8a59c;--sky4:#ec8190;--ink:#3a1420;--ink2:#5b2433;--mute:#7d4a55;--red:#e2343c;--red2:#b81e28;--gold:#f2c14e;--gold2:#ffe08a;
--paper:#fff8f0;--paper2:#ffefe2;--mint:#7fd8b4;--bar:58px;
--cn:"ZCOOL KuaiLe","PingFang SC","Microsoft YaHei",sans-serif;--display:"Fredoka","Arial Rounded MT Bold","Trebuchet MS",sans-serif;--body:"Nunito","Segoe UI",system-ui,sans-serif;--mono:"JetBrains Mono",ui-monospace,Consolas,monospace}
*,*::before,*::after{box-sizing:border-box}[hidden]{display:none!important}
html,body{height:100%}html{background:var(--sky3);overflow:hidden}
body{margin:0;color:var(--ink);font:600 15px/1.5 var(--body);-webkit-font-smoothing:antialiased;overflow:hidden}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}a{color:inherit}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px 9px;border-radius:999px;background:var(--paper);color:var(--ink);border:2.5px solid var(--ink);box-shadow:0 4px 0 var(--ink);font:600 15px/1 var(--display);text-decoration:none;transition:transform .12s,box-shadow .12s;white-space:nowrap}
.btn:hover{transform:translateY(-1px);box-shadow:0 5px 0 var(--ink)}.btn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--ink)}
.btn.red{background:var(--red);color:#fff}.btn.gold{background:var(--gold);color:var(--ink)}

/* ---------- sky ---------- */
.sky{position:fixed;inset:0;z-index:0;overflow:hidden;background:linear-gradient(180deg,var(--sky1) 0%,var(--sky2) 38%,var(--sky3) 72%,var(--sky4) 100%)}
.sky::after{content:"";position:absolute;inset:auto 0 0;height:40%;background:radial-gradient(120% 90% at 50% 120%,rgba(255,214,120,.55),transparent 70%)}
.cl{position:absolute;border-radius:50%;background:#fff;filter:blur(18px);opacity:.55;animation:drift 70s linear infinite}
.c1{width:420px;height:120px;top:62%;left:-10%}.c2{width:520px;height:150px;top:74%;left:40%;animation-duration:95s;opacity:.45}.c3{width:300px;height:90px;top:18%;left:60%;animation-duration:80s;opacity:.35}.c4{width:360px;height:110px;top:84%;left:5%;animation-duration:110s;opacity:.5}
@keyframes drift{from{transform:translateX(-10vw)}to{transform:translateX(30vw)}}
.fl{position:absolute;bottom:-60px;width:22px;height:28px;border-radius:45%;background:radial-gradient(circle at 40% 35%,#ffb27a,#e2343c 70%);box-shadow:0 0 18px 6px rgba(255,170,90,.55);animation:rise 26s linear infinite;opacity:.85}
.fl::before{content:"";position:absolute;left:30%;right:30%;top:-4px;height:5px;border-radius:2px;background:var(--gold)}
.f1{left:12%;animation-delay:-3s}.f2{left:34%;animation-delay:-11s;transform:scale(.7)}.f3{left:58%;animation-delay:-6s}.f4{left:76%;animation-delay:-17s;width:16px;height:20px}.f5{left:88%;animation-delay:-1s}.f6{left:46%;animation-delay:-21s;width:14px;height:18px}
@keyframes rise{0%{transform:translateY(0) translateX(0)}50%{transform:translateY(-55vh) translateX(18px)}100%{transform:translateY(-115vh) translateX(-10px);opacity:0}}

/* ---------- desktop ---------- */
.desk{position:fixed;inset:0 0 var(--bar);z-index:1}
.icons{position:absolute;top:18px;left:18px;display:grid;grid-template-columns:repeat(2,96px);gap:12px 8px}
.icons button{display:flex;flex-direction:column;align-items:center;gap:6px;padding:4px}
.icons .ic{display:grid;place-items:center;width:62px;height:62px;border-radius:18px;background:var(--paper);border:2.5px solid var(--ink);box-shadow:0 4px 0 var(--ink);font-size:30px;transition:transform .15s}
.icons button:hover .ic{transform:translateY(-3px) rotate(-3deg)}
.icons b{display:flex;flex-direction:column;align-items:center;padding:1px 8px 2px;border-radius:8px;background:rgba(255,248,240,.85);font:400 15px/1.2 var(--cn);color:var(--ink)}
.icons b small{font:700 10px var(--body);color:var(--mute)}
.hero{position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center}
.mascot{width:min(330px,42vh);animation:bob 3.4s ease-in-out infinite;filter:drop-shadow(0 18px 30px rgba(184,30,40,.35)) drop-shadow(0 0 40px rgba(255,200,110,.45))}
.mascot img{width:100%;height:auto;display:block;transform-origin:50% 0}
.mascot:active img{transform:scale(.96)}
.mascot.boop{animation:bob 3.4s ease-in-out infinite,boop .5s ease}
@keyframes bob{50%{transform:translateY(-14px) rotate(1.5deg)}}
@keyframes boop{30%{filter:drop-shadow(0 0 70px rgba(255,220,130,1)) brightness(1.25)}}
.bubble{position:absolute;top:-6px;left:72%;min-width:170px;max-width:260px;padding:10px 14px;background:var(--paper);border:2.5px solid var(--ink);border-radius:18px 18px 18px 4px;box-shadow:0 4px 0 var(--ink);font:400 18px/1.25 var(--cn);animation:pop .3s cubic-bezier(.3,1.6,.5,1)}
.bubble small{display:block;font:700 12px var(--body);color:var(--mute)}
@keyframes pop{from{transform:scale(.6);opacity:0}}
.brand{position:absolute;right:28px;bottom:22px;text-align:right}
.brand h1{margin:0;font:700 clamp(56px,9vw,124px)/1 var(--display);color:var(--red);-webkit-text-stroke:3px var(--ink);text-shadow:0 6px 0 var(--ink),0 0 40px rgba(255,210,120,.6);letter-spacing:.02em}
.brand h1 span{font:inherit;color:var(--gold);margin-left:0}
.brand p{margin:8px 0 0;font:400 20px var(--cn);color:var(--ink)}.brand em{font:600 18px var(--display);font-style:italic}
.note{position:absolute;top:22px;right:26px;width:270px;padding:18px 16px 14px;background:#fff1a8;border:2.5px solid var(--ink);box-shadow:6px 6px 0 var(--ink);transform:rotate(2deg);display:flex;flex-direction:column;gap:8px}
.note .tape{position:absolute;top:-12px;left:50%;width:84px;height:22px;transform:translateX(-50%) rotate(-3deg);background:rgba(226,52,60,.45)}
.note b{font:400 22px var(--cn)}.note b small{font:600 14px var(--display);color:var(--mute)}
.note code{display:block;padding:8px 9px;background:rgba(255,255,255,.75);border:1.5px dashed var(--ink2);border-radius:8px;font:500 12.5px/1.35 var(--mono);word-break:break-all}
.note em{font:600 12.5px var(--display);font-style:italic;color:var(--mute);text-align:center}

/* ---------- windows ---------- */
#wins{position:fixed;inset:0 0 var(--bar);z-index:5;pointer-events:none}
.win{position:absolute;pointer-events:auto;display:flex;flex-direction:column;width:min(460px,94vw);max-height:calc(100vh - var(--bar) - 30px);background:var(--paper);border:2.5px solid var(--ink);border-radius:16px;box-shadow:0 8px 0 var(--ink),0 24px 50px rgba(58,20,32,.3);animation:open .22s cubic-bezier(.3,1.5,.5,1);overflow:hidden}
.win.wide{width:min(720px,96vw)}
@keyframes open{from{transform:scale(.85);opacity:0}}
.win.min{display:none}
.tb{display:flex;align-items:center;gap:8px;padding:8px 10px 8px 14px;background:linear-gradient(180deg,#ff6a5f,var(--red));color:#fff;border-bottom:2.5px solid var(--ink);cursor:grab;user-select:none;touch-action:none}
.tb:active{cursor:grabbing}.tb .t{flex:1;font:400 17px var(--cn);text-shadow:0 2px 0 rgba(90,11,16,.6)}.tb .t small{font:700 11px var(--body);opacity:.85;margin-left:6px}
.tb button{width:24px;height:24px;border-radius:50%;background:var(--paper);color:var(--ink);border:2px solid var(--ink);font:800 13px/1 var(--body)}
.wb{padding:16px 18px 18px;overflow:auto}
.wb p{margin:0 0 10px}.wb .cn{font:400 19px/1.45 var(--cn)}.wb .en{display:block;font:600 13px var(--body);color:var(--mute)}
.wb input{width:100%;height:48px;padding:0 14px;border:2.5px solid var(--ink);border-radius:12px;background:#fff;font:700 17px var(--body);outline:none}
.wb input:focus{box-shadow:0 0 0 4px rgba(242,193,78,.6)}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:12px}
.result{margin-top:14px;padding:16px;border:2.5px dashed var(--ink2);border-radius:14px;background:var(--paper2);text-align:center}
.result .big{display:block;font:400 54px/1.1 var(--cn);color:var(--red);-webkit-text-stroke:1.5px var(--ink)}
.result small{display:block;margin-top:4px;color:var(--mute);font-weight:700}
/* red envelope */
.hb{display:flex;flex-direction:column;align-items:center;gap:12px;padding:6px 0}
.env{position:relative;width:170px;height:230px;border-radius:14px;background:linear-gradient(180deg,#f04848,#c41d2a);border:2.5px solid var(--ink);box-shadow:0 6px 0 var(--ink);display:grid;place-items:center;transition:transform .2s}
.env::before{content:"";position:absolute;top:0;left:0;right:0;height:70px;border-radius:12px 12px 50% 50%;background:#d9343d;border-bottom:2.5px solid var(--ink)}
.env b{position:relative;display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:var(--gold);border:2.5px solid var(--ink);font:400 34px var(--cn);color:var(--red2);margin-top:20px}
.env:hover{transform:rotate(-3deg) scale(1.03)}.env.open{animation:shake .5s}
@keyframes shake{20%,60%{transform:rotate(-6deg)}40%,80%{transform:rotate(6deg)}}
.prize{text-align:center}.prize .amt{font:700 40px var(--display);color:var(--red)}.prize .cn{font-size:26px}
/* fortune sticks */
.cup{width:120px;height:150px;margin:0 auto;position:relative}
.cup .tube{position:absolute;bottom:0;left:10px;right:10px;height:100px;border-radius:10px 10px 18px 18px;background:linear-gradient(90deg,#b5651d,#e0a050,#b5651d);border:2.5px solid var(--ink)}
.cup .st{position:absolute;bottom:60px;width:8px;height:84px;border-radius:3px;background:#f3d79a;border:2px solid var(--ink)}
.cup.shake{animation:shake .6s 2}
.slip{margin-top:12px;padding:14px;border:2.5px solid var(--ink);border-radius:12px;background:#fff6dc;text-align:center}
.slip .lv{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--red);color:#fff;font:400 18px var(--cn)}
/* lists */
.list{display:flex;flex-direction:column}
.list a,.list div.it{display:grid;grid-template-columns:40px minmax(0,1fr) auto;gap:10px;align-items:center;padding:8px 4px;border-top:2px dashed rgba(58,20,32,.15);text-decoration:none}
.list img,.list .ph{width:40px;height:40px;border-radius:10px;object-fit:cover;border:2px solid var(--ink);background:var(--paper2)}
.list .nm{min-width:0}.list .nm b{display:block;font:400 19px/1.1 var(--cn);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.list .nm small{color:var(--mute);font-weight:700}
.list .mc{font:700 15px var(--display);color:var(--red)}
.chart{height:min(420px,60vh);border:2.5px solid var(--ink);border-radius:12px;overflow:hidden;background:#111}.chart iframe{width:100%;height:100%;border:0}
.soon{padding:30px;text-align:center;font:400 22px var(--cn)}.soon small{display:block;font:700 13px var(--body);color:var(--mute)}
/* ---------- taskbar ---------- */
.bar{position:fixed;left:0;right:0;bottom:0;height:var(--bar);z-index:20;display:flex;align-items:center;gap:10px;padding:0 12px;background:var(--paper);border-top:2.5px solid var(--ink)}
.start{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px 0 8px;border-radius:999px;background:linear-gradient(180deg,#ff6a5f,var(--red));color:#fff;border:2.5px solid var(--ink);box-shadow:0 3px 0 var(--ink);font:400 18px var(--cn)}
.start img{width:26px;height:30px}
.tasks{flex:1;display:flex;gap:6px;overflow:hidden}
.tasks button{height:36px;padding:0 12px;border-radius:10px;border:2px solid var(--ink);background:var(--paper2);font:400 15px var(--cn);white-space:nowrap}.tasks button.on{background:var(--gold)}
.tray{display:flex;gap:8px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 12px;border-radius:999px;border:2.5px solid var(--ink);background:var(--paper);font:700 14px var(--display);text-decoration:none}
.clock small{font:400 12px var(--cn);color:var(--mute)}.clock b{font:500 14px var(--mono)}
.toast{position:fixed;left:50%;bottom:calc(var(--bar) + 18px);transform:translateX(-50%);z-index:40;padding:10px 16px;border-radius:999px;background:var(--ink);color:#fff;font:700 14px var(--display)}
/* ---------- boot ---------- */
.bootup{position:fixed;inset:0;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:radial-gradient(circle at 50% 45%,#ffd9c2,#f7a89c 60%,#e8707f);transition:opacity .5s}
.bootup img{width:110px;animation:bob 1.6s ease-in-out infinite}.bootup b{font:400 26px var(--cn)}.bootup small{font:700 13px var(--body);color:var(--mute)}
.bootup i{width:220px;height:14px;border:2.5px solid var(--ink);border-radius:999px;background:var(--paper);overflow:hidden}.bootup u{display:block;height:100%;width:0;background:repeating-linear-gradient(45deg,var(--red) 0 10px,#ff6a5f 10px 20px);animation:load 1.3s ease forwards}
@keyframes load{to{width:100%}}
.bootup.done{opacity:0;pointer-events:none}
@media (max-width:760px){
  .icons{grid-template-columns:repeat(4,1fr);left:8px;right:8px;top:8px;gap:6px}.icons .ic{width:52px;height:52px;font-size:24px}.icons b{font-size:13px}
  .hero{top:52%}.mascot{width:min(230px,34vh)}.bubble{left:auto;right:-10px;top:-40px}
  .note{top:auto;bottom:118px;right:auto;left:12px;width:calc(100% - 24px);transform:none;padding:12px}
  .brand{right:12px;bottom:8px}.brand h1{font-size:48px;-webkit-text-stroke:2px var(--ink)}.brand p{font-size:14px}.brand em{font-size:13px}
  .win,.win.wide{left:6px!important;right:6px;top:8px!important;width:auto}
  .tasks{display:none}.clock small{display:none}
}