:root{font-family:system-ui,'Segoe UI',Tahoma,sans-serif;color-scheme:light;--bg:#f5f7fb;--panel:#fff;--text:#15253e;--sub:#65758b;--line:#e2e9f2;--accent:#2463eb;--soft:#eaf1ff;--green:#168666;--shadow:0 8px 28px #1b376a0b}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);line-height:1.65}body.dark{color-scheme:dark;--bg:#0b1323;--panel:#121f33;--text:#eef4ff;--sub:#a0b0c7;--line:#293b52;--accent:#7faaff;--soft:#213756;--green:#66d6b2;--shadow:none}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.wrap{width:min(1020px,calc(100% - 30px));margin:auto}.top{position:sticky;top:0;z-index:30;background:var(--panel);border-bottom:1px solid var(--line)}.bar{height:64px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{display:flex;align-items:center;gap:8px;font-size:1.08rem;font-weight:800}.logo{display:grid;place-items:center;width:38px;height:38px;background:var(--accent);color:white;border-radius:12px}.topright,.actions,.toolactions{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.btn{border:1px solid var(--line);background:var(--panel);border-radius:11px;padding:9px 12px;font-weight:650;font-size:.9rem;min-height:42px;display:inline-flex;gap:7px;align-items:center;justify-content:center}.btn:hover,.tile:hover{border-color:var(--accent);transform:translateY(-1px)}.primary{background:var(--accent);border-color:var(--accent);color:white}.quiet{background:var(--soft);border-color:transparent;color:var(--accent)}.small{padding:6px 9px;min-height:36px}.container{min-height:calc(100vh - 170px);padding:28px 0 48px}.intro{margin-bottom:22px}.intro h1{font-size:clamp(1.55rem,4vw,2.4rem);margin:0 0 6px;letter-spacing:-.7px}.intro p{color:var(--sub);margin:0}.sections{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.tile{display:flex;flex-direction:column;gap:6px;padding:21px;background:var(--panel);border:1px solid var(--line);border-radius:17px;min-height:145px;box-shadow:var(--shadow);transition:.15s}.tile .ico{font-size:1.8rem}.tile strong{font-size:1.06rem}.tile span:last-child{font-size:.83rem;color:var(--sub)}.toolgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.toolgrid .tile{min-height:122px;padding:16px}.toolgrid .ico{font-size:1.5rem}.crumb{font-size:.88rem;color:var(--sub);margin-bottom:12px}.crumb a{color:var(--accent)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:17px;padding:20px;box-shadow:var(--shadow)}.panel+.panel{margin-top:16px}.panel h2,.panel h3{margin:0 0 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0}.item{display:flex;gap:9px;align-items:center;justify-content:space-between;background:var(--bg);padding:10px;border-radius:10px}.pill{display:inline-flex;background:var(--soft);color:var(--accent);padding:4px 9px;border-radius:999px;font-size:.77rem}.timer{font-size:clamp(3.5rem,13vw,6rem);font-weight:800;letter-spacing:2px;text-align:center;font-variant-numeric:tabular-nums;margin:20px auto}.stats{display:flex;gap:12px;flex-wrap:wrap}.stat{flex:1;min-width:110px;text-align:center;padding:14px;background:var(--soft);border-radius:12px}.stat strong{display:block;font-size:1.35rem}.footer{border-top:1px solid var(--line);text-align:center;color:var(--sub);font-size:.79rem;padding:15px 10px 18px;background:var(--panel)}.footer p{margin:2px}.viewer{height:65vh;overflow:auto;background:#dbe0e7;border-radius:10px;text-align:center;padding:12px}.viewer canvas{display:block;margin:10px auto;max-width:100%;height:auto;box-shadow:0 2px 12px #0002}.preview{max-width:100%;max-height:360px;object-fit:contain;border-radius:10px}.schedule{overflow-x:auto}.sched-table{border-collapse:collapse;width:100%;min-width:540px}.sched-table th,.sched-table td{border:1px solid var(--line);padding:10px;vertical-align:top;text-align:center;font-size:.85rem}.sched-table th{background:var(--soft)}.session{background:var(--soft);padding:7px;border-radius:8px;display:block;margin:3px 0}.calc{max-width:570px;margin:auto}.screen{padding:16px;background:#dbe8dd;color:#183029;text-align:left;direction:ltr;border-radius:12px;font-size:1.5rem;min-height:87px;word-break:break-all}.keys{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-top:13px}.keys button{background:var(--soft);border:1px solid var(--line);border-radius:9px;min-height:47px;font-size:.97rem;font-weight:700}.keys .equal{background:var(--accent);color:white}.keys .op{color:var(--accent)}.tabrow{display:flex;gap:7px;flex-wrap:wrap;margin:14px 0}.tabrow button.active{background:var(--accent);color:white}.calc.silver{background:#dce1e7;padding:16px;border-radius:24px;color:#16243b}.calc.silver .keys button{background:#f6f8fc;color:#15253e}.calc.silver .keys .equal{background:#2463eb;color:white}.calc.black{background:#191c25;color:#fff;padding:16px;border-radius:13px}.calc.black .keys button{background:#353b48;color:#fff}.calc.black .keys .equal{background:#2463eb}.calendar-tile{border:1px solid var(--line);padding:14px;border-radius:12px;background:var(--panel)}.bigcount{font-size:1.7rem;font-weight:800;color:var(--accent)}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#193149;color:white;padding:10px 18px;border-radius:12px;z-index:90;display:none;max-width:85%;text-align:center}.hidden{display:none!important}@media(max-width:650px){.bar{height:57px}.topright .label{display:none}.brand{font-size:.99rem}.container{padding-top:20px}.toolgrid{grid-template-columns:repeat(2,minmax(0,1fr))}.tile{padding:15px;min-height:130px}.toolgrid .tile{padding:13px;min-height:119px}.tile strong{font-size:.93rem}.tile span:last-child{font-size:.75rem}.panel{padding:14px}.fields{grid-template-columns:1fr}.keys button{min-height:44px}.intro h1{font-size:1.55rem}}@media(max-width:360px){.topright{gap:3px}.topright .btn{padding:5px 7px}.toolgrid,.sections{gap:8px}.tile{padding:12px}}