*{box-sizing:border-box;margin:0;padding:0}body{font-family:Georgia,serif;background:#00ADE6;color:#111;min-height:100vh}button{font-family:inherit}#obal{width:92%;max-width:900px;margin:0 auto;padding:8px 0 30px}#hlavicka{display:flex;align-items:center;gap:18px;background:#FFF7E6;border:2px solid #40545D;border-radius:10px;box-shadow:0 0 .3em rgba(0,0,0,.75);padding:7px 14px}.domu img{width:64px;display:block}h1{font-size:2.25rem;font-weight:400}.popisek{padding:8px 10px;color:#fff;font-size:1.3rem;line-height:1.35;text-shadow:0 1px 2px rgba(0,0,0,.45)}#hlavni{background:#fff;border:2px solid #40545D;border-radius:10px;box-shadow:0 0 .3em rgba(0,0,0,.6);padding:28px 20px 16px;text-align:center;min-height:285px}.priklad{font-size:3rem;line-height:1.2;margin:12px 0 34px}.moznosti{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.moznost{min-width:150px;padding:12px 18px;font-size:1.9rem;background:#fff;border:2px solid #60757E;border-radius:8px;box-shadow:0 4px 0 #40545D;cursor:pointer}.moznost:disabled{cursor:default}.moznost.spravne{background:#7CBF45;border-color:#4E8D2F;box-shadow:0 4px 0 #4E8D2F}.moznost.chybne{background:#E5483F;border-color:#B92F2A;box-shadow:0 4px 0 #B92F2A}.stav{font-size:1.05rem;margin-top:24px}.hodnoceni{margin-top:10px;background:#fff;border:2px solid #40545D;border-radius:10px;padding:8px 12px;text-align:center}.hodnoceni-nadpis{font-size:1.05rem;margin-bottom:4px}.hvezdy{display:flex;justify-content:space-between;align-items:center}.hvezdy img{width:8.5%;max-width:58px;height:auto}.chyby{margin-top:10px;background:#FFF9ED;border:2px solid #D8B77A;border-radius:10px;padding:8px 12px;font-size:1.15rem;min-height:45px}.chyby strong{display:block;margin-bottom:4px}.chyba-radek{display:grid;grid-template-columns:minmax(140px,1fr) 2fr;gap:12px;padding:2px 0}.chyba-radek b{text-align:left}.chyba-radek span{text-align:left}.modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);align-items:center;justify-content:center;padding:16px}.modal.viditelne{display:flex}.modal-obsah{background:#FFF7E6;border:2px solid #40545D;border-radius:12px;padding:22px;max-width:360px;width:100%;text-align:center;box-shadow:0 0 1em rgba(0,0,0,.6)}.modal-text{font-size:1.45rem;margin-bottom:10px}.znamka{font-size:4.2rem;font-weight:700;margin:8px 0}.modal button{font-size:1.1rem;padding:8px 14px;margin:6px;border:2px solid #60757E;border-radius:6px;background:#fff;box-shadow:0 3px 0 #40545D}.skryte{display:none!important}@media(max-width:650px){#obal{width:98%;padding-top:3px}#hlavicka{gap:9px;padding:6px 8px}.domu img{width:50px}h1{font-size:1.65rem}.popisek{font-size:1.15rem}.priklad{font-size:2.35rem;margin:8px 0 26px}#hlavni{padding:22px 8px 14px;min-height:250px}.moznosti{gap:12px}.moznost{min-width:120px;font-size:1.45rem;padding:10px 12px}.chyba-radek{display:block}.chyba-radek span{display:block;margin-bottom:5px}.hvezdy img{width:9.2%}}