:root{--text: #000;--accent: #fc5811;--bg: #f4eae1;--card: #fbf6f1;--muted: #4a4440;--line: #ddd0c4;--accent-dark: #b83a00}*{box-sizing:border-box}html{font-size:18px;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:Tahoma,Verdana,system-ui,sans-serif;line-height:1.6;overflow-wrap:anywhere}.wrap{max-width:720px;margin:0 auto;padding:0 1.25rem}main.wrap{padding-bottom:5rem}header.site{border-bottom:1px solid var(--line)}.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:.9rem;padding-bottom:.9rem;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:.6rem;color:var(--text);text-decoration:none;font-weight:700;font-size:.95rem}.brand img{display:block;width:auto}nav a{color:var(--text);font-size:.95rem}a{color:var(--text);text-underline-offset:3px;text-decoration-color:var(--accent);text-decoration-thickness:2px}@media(hover:hover)and (pointer:fine){a:hover{color:var(--accent-dark)}}:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}h1{font-size:1.9rem;line-height:1.2;margin:2.5rem 0 1rem;letter-spacing:-.01em}h2{font-size:1.35rem;line-height:1.3;margin:3rem 0 .75rem}h3{font-size:1.1rem;margin:1.75rem 0 .5rem}p{margin:0 0 1rem}.muted{color:var(--muted)}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:1.25rem;margin:1.25rem 0}.deadline{border-left:4px solid var(--accent);padding-left:1rem;font-weight:700}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;background:var(--card)}th,td{text-align:left;padding:.7rem .8rem;border-bottom:1px solid var(--line);vertical-align:top;font-size:.95rem}th{font-size:.85rem;color:var(--muted)}td.num,th.num{text-align:right;white-space:nowrap}.field{margin:1.25rem 0}label,.label{display:block;font-weight:700;margin-bottom:.35rem}.hint{color:var(--muted);font-size:.9rem;margin:-.15rem 0 .5rem}input,textarea,button{font:inherit}input[type=text],textarea{transition:border-color .15s ease;width:100%;padding:.8rem .9rem;background:#fff;color:var(--text);border:1.5px solid var(--line);border-radius:10px}input[type=text]{min-height:3.1rem}textarea{resize:vertical;min-height:6rem;line-height:1.5}input:focus,textarea:focus{outline:3px solid var(--accent);outline-offset:1px;border-color:var(--text)}.count{font-variant-numeric:tabular-nums;font-size:.85rem;color:var(--muted);text-align:right;margin-top:.25rem}.count.over{color:#b00020;font-weight:700}.err{color:#b00020;font-size:.95rem;margin-top:.35rem;font-weight:700}.invalid{border-color:#b00020!important}.row2{display:grid;gap:.75rem;grid-template-columns:1fr}@media(min-width:560px){.row2{grid-template-columns:2fr 1fr}}.rowbox{border:1px solid var(--line);border-radius:12px;padding:1rem;margin:1rem 0;background:var(--card)}.rowbox legend,.rowbox .rtitle{font-weight:700;padding:0 .3rem}fieldset{border:0;padding:0;margin:0;min-width:0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:3.1rem;padding:.6rem 1.4rem;border-radius:999px;border:1.5px solid var(--text);background:transparent;color:var(--text);cursor:pointer;font-weight:700;text-decoration:none}.btn{transition:transform .16s cubic-bezier(.23,1,.32,1),background-color .15s ease,border-color .15s ease;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.btn:active:not([disabled]){transform:scale(.97)}@media(hover:hover)and (pointer:fine){.btn:hover{background:var(--card);color:var(--text)}.btn.primary:hover{background:#e24d0a;border-color:#e24d0a}}.btn.primary{background:var(--accent);border-color:var(--accent);color:#000}.btn[disabled]{opacity:.55;cursor:not-allowed}.actions{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;margin-top:1.5rem}.status{font-size:.9rem;color:var(--muted);min-height:1.4em;font-variant-numeric:tabular-nums}.status.bad{color:#b00020;font-weight:700}.codebox{background:#fff;border:2px solid var(--accent);border-radius:14px;padding:1rem 1.25rem;margin:1.25rem 0}.codebox code{display:block;font-size:1.4rem;font-weight:700;letter-spacing:.04em;margin:.35rem 0;user-select:all;word-break:break-all}.banner{background:#fff;border:1.5px solid var(--text);border-radius:12px;padding:.9rem 1.1rem;margin:1.25rem 0}.banner.error{border-color:#b00020;color:#b00020;font-weight:700}dl.answers{margin:0}dl.answers dt{font-weight:700;margin-top:1rem}dl.answers dd{margin:.2rem 0 0;white-space:pre-wrap}.rowbox,.banner,.codebox{transition:opacity .2s ease-out,transform .2s cubic-bezier(.23,1,.32,1);@starting-style{opacity:0;transform:translateY(6px)}}@media(prefers-reduced-motion:reduce){.btn,.rowbox,.banner,.codebox{transition-property:opacity,background-color,border-color}.btn:active:not([disabled]){transform:none}}[hidden]{display:none!important}