:root{--bg:#fff8ef;--card:#fff;--ink:#2d2a4a;--muted:#7a7799;--pri:#6c5ce7;--ok:#00b894;--bad:#e17055;--warn:#fdcb6e;--r:18px}
*{box-sizing:border-box}body{margin:0;font-family:Sarabun,Mitr,sans-serif;background:var(--bg);color:var(--ink);font-size:17px}
h1,h2,h3,.brand,button{font-family:Mitr,sans-serif}
.top{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:linear-gradient(90deg,#6c5ce7,#a29bfe);color:#fff;position:sticky;top:0;z-index:5}
.top a{color:#fff;text-decoration:none;font-weight:600}#who{font-size:14px}#who button{margin-left:8px;padding:4px 10px;font-size:13px;background:#fff3;color:#fff}
main{max-width:860px;margin:0 auto;padding:16px}
.card{background:var(--card);border-radius:var(--r);padding:18px;box-shadow:0 4px 14px #6c5ce71a;margin-bottom:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.subj{text-align:center;cursor:pointer;transition:.15s;border:3px solid transparent}.subj:hover{transform:translateY(-3px);border-color:var(--pri)}
.subj .ic{font-size:42px}.muted{color:var(--muted);font-size:14px}
button,.btn{border:0;border-radius:999px;padding:12px 20px;font-size:16px;background:var(--pri);color:#fff;cursor:pointer;text-decoration:none;display:inline-block}
button.sec{background:#ece9ff;color:var(--pri)}button:disabled{opacity:.5}
input{width:100%;padding:12px 14px;border:2px solid #ddd;border-radius:12px;font-size:17px;margin:6px 0 12px}
.tabs{display:flex;gap:8px;margin-bottom:12px}.tabs button{flex:1}
.row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid #f0eef8}.row:last-child{border:0}
.choice{display:block;width:100%;text-align:left;background:#f6f4ff;color:var(--ink);border:2px solid #e3defc;border-radius:14px;margin:8px 0;padding:14px}
.choice.sel{border-color:var(--pri);background:#e9e5ff}.choice.ok{border-color:var(--ok);background:#dff9f0}.choice.bad{border-color:var(--bad);background:#ffe9e2}
.bar{height:10px;background:#eee;border-radius:9px;overflow:hidden}.bar>i{display:block;height:100%;background:var(--pri)}
.pill{display:inline-block;padding:2px 10px;border-radius:99px;font-size:13px;background:#ece9ff;color:var(--pri)}
.expl{background:#fffbe6;border-left:4px solid var(--warn);padding:10px 12px;border-radius:8px;margin-top:10px}
.big{font-size:44px;font-weight:600;font-family:Mitr;color:var(--pri)}
.heat{display:grid;grid-template-columns:1fr auto;gap:6px;align-items:center}
.lvl0{color:#c0392b}.lvl1{color:#e67e22}.lvl2{color:#27ae60}
.lesson h1{font-size:24px}.err{color:var(--bad)}
@media print{.top,.noprint{display:none!important}body{background:#fff}.card{box-shadow:none;border:1px solid #ddd;break-inside:avoid}}
.plan{border:3px solid var(--pri)}.sessgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:10px 0}@media(max-width:520px){.sessgrid{grid-template-columns:1fr}}
.sess{background:#f7f5ff;border-radius:14px;padding:10px}.step{padding:6px 4px;border-bottom:1px dashed #ddd;font-size:15px}.step.cur{background:#fff1d6;border-radius:8px;font-weight:600}.step.done{opacity:.6}
.bigbtn{display:block;width:100%;font-size:22px;padding:16px;margin-top:10px;text-align:center}.bigdone{text-align:center;font-size:22px;padding:10px}
.breakcard{text-align:center;background:linear-gradient(160deg,#dff9f0,#e8f4ff)}.clock{font-size:72px;font-weight:700;color:#00a07a;font-family:Mitr,sans-serif}.tips{text-align:left;font-size:19px;line-height:1.9}
.week{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;text-align:center}.day{background:#f3f3f3;border-radius:10px;padding:6px 2px;font-size:13px}.day.full{background:#ffe3d1}.day.part{background:#fff6d6}.day span{display:block;color:#888}
.setgrid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.setgrid input{width:100%}