/* Единая тема читальни (тёмный «командный центр») */
:root{--bg:#0a0e17;--panel:#111726;--ink:#e8edf7;--muted:#9aa7c2;--line:rgba(255,255,255,.09);--accent:#5b8cff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.reader{margin:0;background:var(--bg);color:var(--ink);font:18px/1.7 Georgia,'Times New Roman',serif;
 -webkit-font-smoothing:antialiased}
.reader__bar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;
 padding:14px 22px;background:rgba(10,14,23,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.reader__back{color:var(--accent);text-decoration:none;font:600 14px/1 system-ui,sans-serif;letter-spacing:.02em}
.reader__back:hover{opacity:.75}
.reader__brand{font:700 12px/1 system-ui,sans-serif;letter-spacing:.28em;color:var(--muted)}
.reader__doc{max-width:760px;margin:0 auto;padding:56px 24px 96px}
.reader__title{font:800 clamp(28px,4vw,44px)/1.15 system-ui,sans-serif;letter-spacing:-.01em;margin:0 0 8px;
 background:linear-gradient(120deg,var(--ink),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.reader__title::after{content:"";display:block;width:64px;height:3px;margin-top:22px;border-radius:2px;
 background:var(--accent)}
.reader__body{margin-top:40px}
.reader__body h2{font:700 22px/1.3 system-ui,sans-serif;letter-spacing:.01em;color:var(--accent);
 margin:42px 0 14px}
.reader__body p{margin:0 0 18px;text-align:justify;color:var(--ink)}
.reader__body b,.reader__body strong{color:#fff}
.reader__body ul,.reader__body ol{margin:0 0 18px;padding-left:26px}
.reader__body li{margin:0 0 8px}
.reader__body img{max-width:100%;height:auto;border-radius:8px;margin:18px 0}
.reader__foot{border-top:1px solid var(--line);padding:28px 24px;text-align:center;color:var(--muted);
 font:600 12px/1.4 system-ui,sans-serif;letter-spacing:.18em;text-transform:uppercase}
@media(max-width:600px){body.reader{font-size:17px}.reader__doc{padding:36px 18px 72px}}
/* Встроенный PDF-просмотр */
.reader--embed{display:flex;flex-direction:column;min-height:100vh}
.reader__embed-wrap{flex:1;display:flex;flex-direction:column;max-width:1100px;width:100%;margin:0 auto;padding:24px 20px 32px}
.reader__embed-title{font:800 clamp(20px,3vw,30px)/1.2 system-ui,sans-serif;color:var(--ink);margin:0 0 16px}
.reader__pdf{width:100%;flex:1;min-height:78vh;border:1px solid var(--line);border-radius:10px;background:#fff}