:root{--paper:#f3efe7;--deep:#e8e1d5;--ink:#252722;--muted:#74766e;--line:#d8d0c3;--accent:#c95f35;--white:#fffdf8;--green:#547b72}
*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100dvh;background:var(--paper);color:var(--ink);font-family:"Avenir Next",Avenir,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}button,a{font:inherit;color:inherit}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:750;letter-spacing:-.04em;text-decoration:none}.brand svg{width:30px;fill:none;stroke:currentColor;stroke-width:1.6}.brand path{fill:var(--accent);stroke:var(--accent)}aside{position:fixed;inset:0 auto 0 0;width:230px;display:flex;flex-direction:column;padding:27px 19px;border-right:1px solid var(--line);background:var(--paper)}.demo-badge{margin:42px 9px 12px;color:var(--accent);font:700 9px "SFMono-Regular",Consolas,monospace;letter-spacing:.13em}nav{display:grid;gap:5px}nav button{display:grid;grid-template-columns:34px 1fr;gap:7px;padding:13px 10px;border:0;border-radius:8px;background:transparent;color:var(--muted);text-align:left;cursor:pointer;font:10px "SFMono-Regular",Consolas,monospace}nav button span{font:14px "Avenir Next",Avenir,sans-serif}nav button.active{background:var(--ink);color:var(--white)}.back-link{margin-top:auto;color:var(--muted);font-size:11px;text-decoration:none}main{margin-left:230px}header{height:94px;display:flex;align-items:center;justify-content:space-between;padding:18px clamp(20px,4vw,62px);border-bottom:1px solid var(--line)}header p,.label,.plan-heading>p,.today-card>p{margin:0;color:var(--muted);font:700 10px "SFMono-Regular",Consolas,monospace;letter-spacing:.12em}header h1{margin:5px 0 0;font-size:23px;letter-spacing:-.04em}header>a{padding:12px 15px;border-radius:7px;background:var(--ink);color:var(--white);font-size:12px;font-weight:700;text-decoration:none}#menu-button{display:none;border:0;background:transparent;font-size:20px}.view{display:none;padding:34px clamp(20px,4vw,62px) 70px}.view.active{display:block;animation:in .4s cubic-bezier(.16,1,.3,1)}@keyframes in{from{opacity:0;transform:translateY(8px)}}.demo-notice{padding:12px 14px;border-left:3px solid var(--accent);background:rgba(201,95,53,.08);color:#735643;font-size:11px;line-height:1.5}.hero{display:grid;grid-template-columns:1.25fr .75fr;gap:50px;align-items:end;padding:52px 0}.hero h2{margin:0;font-size:clamp(46px,6vw,78px);font-weight:570;letter-spacing:-.065em;line-height:.96}.hero h2 em{color:var(--accent);font-style:normal}.hero>div{display:grid;grid-template-columns:1fr auto;gap:8px;color:var(--muted);font-size:10px}.hero>div strong{color:var(--ink);font:700 11px "SFMono-Regular",Consolas,monospace}.hero>div i{grid-column:1/-1;height:4px;background:var(--deep)}.metrics{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.metrics>div{padding:24px 0}.metrics>div+div{padding-left:25px;border-left:1px solid var(--line)}.metrics strong{display:block;font:400 clamp(32px,4vw,45px) "SFMono-Regular",Consolas,monospace;letter-spacing:-.07em}.metrics span{color:var(--muted);font-size:10px}.task-area{display:grid;grid-template-columns:1.2fr .8fr;gap:55px;margin-top:45px}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}.section-title h3{margin:0;font-size:18px}.section-title span{color:var(--muted);font-size:9px}.task{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);cursor:pointer}.task:first-child{border-top:1px solid var(--ink)}.task.done{opacity:.45}.task.done h4{text-decoration:line-through}.check{width:20px;height:20px;border:1px solid var(--line);border-radius:50%}.task.done .check{border-color:var(--green);background:var(--green)}.task h4{margin:0 0 5px;font-size:12px}.task p{margin:0;color:var(--muted);font:9px "SFMono-Regular",Consolas,monospace}.task time{font:700 9px "SFMono-Regular",Consolas,monospace}.task.overdue time{color:#a64036}.today-card{padding:25px;border:1px solid var(--line);background:rgba(255,253,248,.5)}.today-card>strong{display:block;margin:18px 0 3px;font:400 38px "SFMono-Regular",Consolas,monospace}.today-card>span{color:var(--muted);font-size:10px}.today-card button,.timer-actions button{width:100%;margin-top:30px;padding:14px;border:0;border-radius:7px;background:var(--ink);color:var(--white);cursor:pointer;font-weight:700}.plan-heading{padding:45px 0}.plan-heading h2{max-width:800px;margin:12px 0 0;font-size:clamp(44px,6vw,76px);font-weight:570;letter-spacing:-.065em;line-height:.95}.exam-card{max-width:620px;padding:28px;border-left:4px solid var(--accent);background:rgba(255,253,248,.58)}.subject{display:inline-block;padding:7px 10px;border:1px solid var(--line);border-radius:999px;font-size:10px}.exam-card h3{margin:18px 0 7px;font-size:28px;letter-spacing:-.05em}.exam-card>p{color:var(--muted);font-size:11px}.progress{display:grid;grid-template-columns:1fr auto;gap:9px;margin:24px 0}.progress span,.progress strong{font:10px "SFMono-Regular",Consolas,monospace}.progress i{grid-column:1/-1;height:4px;background:var(--deep)}.progress b{display:block;height:100%;background:var(--accent);transition:width .3s}.session{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:12px 0;border-top:1px solid var(--line);cursor:pointer;font-size:11px}.session.done{opacity:.45;text-decoration:line-through}.session time{color:var(--muted);font:9px "SFMono-Regular",Consolas,monospace}.focus-layout{min-height:calc(100dvh - 180px);display:grid;grid-template-columns:1.1fr .9fr;gap:90px;align-items:center}.timer-options{display:flex;gap:7px;margin:18px 0}.timer-options button{padding:7px 10px;border:1px solid var(--line);background:transparent;cursor:pointer;font:9px "SFMono-Regular",Consolas,monospace}.timer-options button.active{border-color:var(--accent);background:var(--accent);color:var(--white)}#timer{font:clamp(80px,13vw,160px) "SFMono-Regular",Consolas,monospace;letter-spacing:-.1em;line-height:.9}.timer-actions{display:flex;gap:8px}.timer-actions button{width:auto;min-width:110px;margin-top:28px}.timer-actions button+button{border:1px solid var(--line);background:transparent;color:var(--ink)}.focus-copy{padding-left:50px;border-left:1px solid var(--line)}.focus-copy h2{margin:15px 0;font-size:38px;letter-spacing:-.055em}.focus-copy>p:last-child{color:var(--muted);font-size:12px;line-height:1.65}
@media(max-width:820px){aside{z-index:20;transform:translateX(-105%);transition:transform .25s}aside.open{transform:none;box-shadow:0 20px 70px rgba(0,0,0,.2)}main{margin-left:0}#menu-button{display:block}.hero,.task-area,.focus-layout{grid-template-columns:1fr}.view{padding:25px 18px 60px}.hero{gap:28px}.metrics{grid-template-columns:1fr 1fr}.metrics>div:nth-child(3){grid-column:1/-1;padding-left:0;border-top:1px solid var(--line);border-left:0}.task-area{gap:35px}.focus-copy{padding:30px 0 0;border-top:1px solid var(--line);border-left:0}}@media(max-width:500px){header{padding:14px 15px}.hero h2{font-size:47px}.section-title{align-items:start;flex-direction:column}.metrics>div+div{padding-left:14px}#timer{font-size:24vw}}
.feedback-link{margin-top:12px;color:var(--accent);font-size:11px;font-weight:700;text-decoration:none}