:root{--bg:#f7f8fa;--card:#fff;--ink:#1a1a1a;--muted:#5d6470;--line:#dcdfe4;--acc:#2f6fd0;--ok:#1f9254;--warn:#c47b00}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,Segoe UI,Roboto,Arial,sans-serif}
header{background:#2f3e52;color:#fff;padding:18px 20px;position:sticky;top:0;z-index:10}
header h1{margin:0;font-size:19px}
header .sub{font-size:13px;opacity:.85;margin-top:3px}
.progress{height:7px;background:#e6e8ec;border-radius:99px;overflow:hidden;margin:10px 0 0}
.progress i{display:block;height:100%;background:var(--ok);width:0;transition:width .3s}
.wrap{max-width:840px;margin:0 auto;padding:18px}
.namebar{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:16px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.namebar label{font-weight:600;font-size:14px}
input[type=text],textarea{font:inherit;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;width:100%}
input[type=text]:focus,textarea:focus{outline:2px solid var(--acc);border-color:transparent}
.namebar input{max-width:260px;width:auto}
.stage{font:600 12.5px/1 inherit;letter-spacing:1px;color:var(--muted);text-transform:uppercase;margin:26px 0 10px;display:flex;align-items:center;gap:10px}
.stage:before{content:"";flex:none;width:22px;height:2px;background:var(--acc)}
section{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 18px;margin-bottom:16px}
section h2{margin:0 0 10px;font-size:17px}
section h2 .n{display:inline-block;background:var(--acc);color:#fff;border-radius:6px;padding:1px 9px;margin-right:8px;font-size:14px}
section.expl{background:#eef4fd;border-color:#8fb7e8;border-left-width:5px;position:relative;padding-top:12px}
.explbadge{display:inline-block;color:#1c4a86;font-size:11.5px;font-weight:700;
  letter-spacing:1.2px;text-transform:uppercase;margin-bottom:6px;opacity:.75}
section.expl h2{color:#1c4a86}
section.expl h2 .n{background:var(--ok)}
.brief{background:#f2f4f7;border-radius:8px;padding:11px 13px;margin:10px 0;font-size:15px}
.brief p{margin:6px 0}
.brief p:first-child{margin-top:0}
.brief p:last-child{margin-bottom:0}
.expl .brief{background:#fff;border:1px solid #c3d8f2}
.warnbox{background:#fdf4e6;border-left:3px solid var(--warn);padding:10px 13px;border-radius:0 6px 6px 0;font-size:14.5px;margin:10px 0}
.q{font-weight:600;margin:12px 0 6px}
.q .star{color:var(--warn)}
.prog{font-family:"DejaVu Sans Mono",Consolas,monospace;font-size:20px;letter-spacing:6px;background:#eceff3;border:1px solid var(--line);border-radius:8px;padding:9px 14px;display:inline-block;margin:5px 0 9px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:8px 0}
.row label{font-size:14px;color:var(--muted)}
.row input[type=text]{max-width:110px}
.row input.wide{max-width:300px}
ol.steps,ul.steps{margin:8px 0 10px;padding-left:22px}
.steps li{margin:5px 0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:10px;margin:10px 0}
.cardnote{background:#f2f4f7;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:14.5px}
.cardnote b{color:var(--acc)}
.check{display:flex;align-items:flex-start;gap:9px;margin:7px 0;cursor:pointer;font-size:15px}
.check input{width:19px;height:19px;margin-top:2px;flex:none;cursor:pointer}
kbd{background:#eceff3;border:1px solid #c9cfd7;border-bottom-width:2px;border-radius:5px;padding:1px 7px;font:600 14px/1.5 Consolas,monospace}
a{color:var(--acc)}
.goal{background:#eaf6ef;border:1px solid #b9dfc9;border-radius:10px;padding:14px 16px;margin:10px 0}
.goal .big{font-size:24px;font-weight:700;color:var(--ok);line-height:1.25}
.next{display:block;background:var(--acc);color:#fff;text-decoration:none;border-radius:10px;padding:16px 18px;font-size:17px;font-weight:600;margin-top:6px}
.next span{display:block;font-weight:400;font-size:14px;opacity:.9;margin-top:4px}
.bar{position:sticky;bottom:0;background:var(--card);border-top:1px solid var(--line);padding:12px 18px;display:flex;gap:10px;flex-wrap:wrap;align-items:center;box-shadow:0 -3px 12px rgba(0,0,0,.07)}
button{font:inherit;font-weight:600;padding:10px 16px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer}
button.primary{background:var(--acc);color:#fff;border-color:var(--acc)}
button.ok{background:var(--ok);color:#fff;border-color:var(--ok)}
button:hover{filter:brightness(.96)}
.status{font-size:13px;color:var(--muted);margin-left:auto}

/* схемы поля */
.fig{display:block;max-width:100%;height:auto;margin:10px 0;border:1px solid var(--line);border-radius:8px;background:#fff}
.figs{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:12px 0}
.figs figure{margin:0;background:#f7f8fa;border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.figs figcaption{font-weight:600;font-size:14.5px;color:var(--acc);margin-bottom:4px}
.figs .fig{margin:6px 0 4px}
.cap{font-size:13.5px;color:var(--muted)}
.prog.small{font-size:16px;letter-spacing:4px;padding:6px 10px;margin:2px 0 4px}
/* шторка с подсказкой */
details.hint{margin:10px 0;border:1px solid #e3d9c2;background:#fdfaf3;border-radius:8px;overflow:hidden}
details.hint>summary{cursor:pointer;padding:8px 12px;font-size:14px;font-weight:600;color:var(--warn);list-style:none;user-select:none}
details.hint>summary::-webkit-details-marker{display:none}
details.hint>summary:before{content:"▸";display:inline-block;margin-right:7px}
details.hint[open]>summary:before{content:"▾";margin-right:7px}
details.hint>summary:after{content:" - сначала попробуй сам";font-weight:400;color:#a08a5e;font-size:13px}
details.hint[open]>summary:after{content:""}
details.hint>div{padding:0 12px 11px;font-size:14.5px;color:#4a4436}

.row label.colon{font-size:20px;font-weight:700;color:var(--ink);margin:0 -4px}

/* крупное рабочее поле-черновик */
section textarea[data-k="r0_draft"]{min-height:330px;font-size:15px;line-height:1.5;
  background:repeating-linear-gradient(#fff 0 27px,#eef1f5 27px 28px);padding-top:5px}