:root{
  --fg:#1a1d21;--mut:#5f6b7a;--line:#e3e8ef;--acc:#1f6feb;--bg:#fff;
  --ok:#1a7f37;--err:#c93c3c;--warn:#f0b429;--edit:#7b52d3;--page:#f6f8fa;
}
*{box-sizing:border-box}
body{margin:0;background:var(--page);color:var(--fg);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:960px;margin:0 auto;background:var(--bg);padding:40px 56px 96px;box-shadow:0 1px 3px rgba(0,0,0,.08)}

/* --- типографика документа ------------------------------------------------ */
h1{font-size:30px;line-height:1.25;margin:0 0 4px;letter-spacing:-.02em}
h2{font-size:23px;margin:32px 0 14px;padding-bottom:8px;border-bottom:2px solid var(--line);letter-spacing:-.01em}
h3{font-size:19px;margin:26px 0 10px}h4{font-size:16.5px;margin:20px 0 8px;color:var(--mut)}
p{margin:10px 0}ul,ol{margin:10px 0;padding-left:24px}li{margin:5px 0}
hr{border:0;border-top:1px solid var(--line);margin:28px 0}
a{color:var(--acc);text-decoration:none;word-break:break-word}a:hover{text-decoration:underline}
code{background:#f0f3f6;padding:1px 5px;border-radius:4px;font-size:13.5px;font-family:ui-monospace,Menlo,monospace}
pre{background:#f0f3f6;padding:12px 14px;border-radius:8px;overflow-x:auto}
blockquote{margin:16px 0;padding:12px 18px;background:#fff8e6;border-left:4px solid var(--warn);border-radius:0 6px 6px 0}
blockquote p{margin:0}
.tw{overflow-x:auto;margin:16px 0;border:1px solid var(--line);border-radius:8px}
table{border-collapse:collapse;width:100%;font-size:14.5px}
th{background:#f6f8fa;text-align:left;font-weight:600;padding:10px 13px;border-bottom:1px solid var(--line)}
td{padding:10px 13px;border-bottom:1px solid #eef1f5;vertical-align:top}
tr:last-child td{border-bottom:0}tbody tr:hover{background:#fafbfc}

/* --- панель --------------------------------------------------------------- */
.bar{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);padding:10px 20px;display:flex;gap:14px;align-items:center;
  justify-content:space-between;z-index:20;flex-wrap:wrap}
.bar-info{display:flex;align-items:center;gap:10px;min-width:0}
.bar-actions{display:flex;gap:8px;align-items:center}
.bar-actions[hidden]{display:none}
.mode-chip{font-size:12px;letter-spacing:.02em;padding:3px 9px;border-radius:20px;
  background:#eef2f7;color:var(--mut);white-space:nowrap}
body.mode-edit .mode-chip{background:#f1ebfd;color:var(--edit);font-weight:600}
.status{color:var(--mut);font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dirty{font-size:13px;color:var(--edit);background:#f1ebfd;padding:4px 10px;border-radius:6px;white-space:nowrap}
.dirty[hidden]{display:none}

.btn{border:1px solid var(--line);background:#fff;color:var(--fg);padding:7px 15px;border-radius:7px;
  font-size:14px;cursor:pointer;text-decoration:none;font-family:inherit;line-height:1.4;white-space:nowrap}
.btn:hover{border-color:var(--acc);color:var(--acc);text-decoration:none}
.btn:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
.btn.primary{background:var(--acc);border-color:var(--acc);color:#fff}
.btn.primary:hover{background:#1a5fd0;color:#fff}
.btn[disabled]{opacity:.45;cursor:default;pointer-events:none}

/* режим правки подсвечивает страницу целиком */
body.mode-edit{background:#f4f1fb}
body.mode-edit .bar{border-bottom-color:var(--edit);box-shadow:0 1px 0 var(--edit)}
body.mode-edit .btn.primary{background:var(--edit);border-color:var(--edit)}
body.mode-edit .btn.primary:hover{background:#6a41c4}

/* --- сообщения ------------------------------------------------------------ */
.banner{display:flex;gap:12px;align-items:center;margin:0 0 22px;padding:12px 14px;border-radius:8px;
  background:#fdecec;border:1px solid #f3c3c3;color:#8f2626;font-size:14.5px}
.banner[hidden]{display:none}
.banner.ok{background:#eaf6ec;border-color:#bfe0c6;color:#1a5c2b}
.banner-text{flex:1}
.banner-act{background:#fff}
.banner-x{border:0;background:transparent;color:inherit;font-size:20px;line-height:1;cursor:pointer;padding:0 2px;opacity:.6}
.banner-x:hover{opacity:1}
.editnote{margin:0 0 24px;padding:11px 14px;border-radius:8px;background:#f6f2ff;border:1px solid #e0d4fa;
  color:#4b3a75;font-size:14px}
.editnote[hidden]{display:none}
.editnote code{background:#efe8ff;color:#4b3a75}

/* --- разделы -------------------------------------------------------------- */
.sec{position:relative}
.sec .view>:first-child{margin-top:0}
body.mode-edit .sec{border:1px solid #e4dcf7;border-radius:10px;background:#fff;padding:14px 16px 16px;margin:0 0 18px}
body.mode-edit .sec.changed{border-color:var(--edit);box-shadow:0 0 0 1px var(--edit)}
.sec-head{display:none;align-items:baseline;gap:10px;margin:0 0 8px}
body.mode-edit .sec-head{display:flex}
.sec-title{font-size:13.5px;font-weight:600;color:var(--mut);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sec-flag{font-size:11.5px;color:var(--edit);background:#f1ebfd;border-radius:20px;padding:2px 8px;white-space:nowrap}
.sec-flag[hidden]{display:none}
.sec textarea{display:block;width:100%;min-height:120px;font:14px/1.65 ui-monospace,Menlo,Consolas,monospace;
  padding:12px 13px;border:1px solid var(--line);border-radius:8px;resize:vertical;background:#fdfdff;color:var(--fg);
  overflow:hidden}
.sec textarea:focus{outline:none;border-color:var(--edit);box-shadow:0 0 0 3px rgba(123,82,211,.14);background:#fff}
.sec textarea[disabled]{opacity:.6}
.sec .sec-err{margin:8px 0 0;font-size:13.5px;color:var(--err)}
.sec .sec-err[hidden]{display:none}

/* --- модальное окно входа -------------------------------------------------- */
.modal{position:fixed;inset:0;background:rgba(20,24,30,.45);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}
.modal[hidden]{display:none}
.card{background:#fff;border-radius:12px;padding:24px;width:min(410px,100%);box-shadow:0 12px 40px rgba(0,0,0,.22)}
.card h3{margin:0 0 6px;font-size:19px}
.card .hint{color:var(--mut);font-size:13.5px;margin:0 0 14px}
.lbl{display:block;font-size:13px;color:var(--mut);margin-bottom:5px}
.card input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit}
.card input:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px rgba(31,111,235,.15)}
.card input[aria-invalid="true"]{border-color:var(--err);box-shadow:0 0 0 3px rgba(201,60,60,.13)}
.card .row{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}
.msg{font-size:13.5px;min-height:19px;margin-top:6px;color:var(--mut)}
.msg.err{color:var(--err)}.msg.ok{color:var(--ok)}

.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:#1a1d21;color:#fff;
  padding:10px 18px;border-radius:8px;font-size:14px;z-index:60;box-shadow:0 6px 20px rgba(0,0,0,.25);max-width:90vw}
.toast[hidden]{display:none}
.toast.err{background:var(--err)}

@media(max-width:720px){
  .wrap{padding:24px 16px 64px}
  h1{font-size:24px}h2{font-size:20px}
  .bar{padding:9px 12px;gap:8px}
  .status{display:none}
  .bar-actions{flex:1;justify-content:flex-end}
  body.mode-edit .sec{padding:12px}
}
@media print{
  .bar,.modal,.toast,.editnote,.banner,.sec-head{display:none!important}
  body{background:#fff}
  .wrap{box-shadow:none;max-width:none;padding:0}
  h2{page-break-after:avoid}tr{page-break-inside:avoid}
}