:root{
  --bg:#0b0f14;
  --card:#121a24;
  --text:#e8eef7;
  --muted:#a8b4c3;
  --line:rgba(232,238,247,.10);
  --accent:#7dd3fc;
  --accent2:#a78bfa;
  --shadow: 0 10px 35px rgba(0,0,0,.35);
  --radius: 18px;
  --max: 1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(1200px 600px at 15% 10%, rgba(125,211,252,.18), transparent 55%),
    radial-gradient(900px 520px at 85% 20%, rgba(167,139,250,.16), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.5;
}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:22px}

header{position:sticky;top:0;z-index:10;backdrop-filter:saturate(140%) blur(10px);background:rgba(11,15,20,.70);border-bottom:1px solid var(--line)}
.nav{display:flex;gap:16px;align-items:center;justify-content:space-between;max-width:var(--max);margin:0 auto;padding:14px 22px}
.brand{display:flex;gap:12px;align-items:center;text-decoration:none}
.dot{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 0 0 6px rgba(125,211,252,.08)}
.brand b{font-size:15px;letter-spacing:.2px}
.brand small{display:block;color:var(--muted);font-size:12px;margin-top:1px}
.menu{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.chip{font-size:13px;color:var(--muted);padding:8px 10px;border:1px solid var(--line);border-radius:999px;text-decoration:none;transition:transform .08s ease,border-color .12s ease,color .12s ease}
.chip:hover{transform:translateY(-1px);border-color:rgba(125,211,252,.35);color:var(--text)}

.card{background:linear-gradient(180deg,rgba(18,26,36,.92),rgba(18,26,36,.78));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.card-pad{padding:18px}

h1{margin:0 0 6px;font-size:34px;letter-spacing:-.4px}
h2{margin:0;font-size:20px}
.subtitle{color:var(--muted);margin:0 0 14px}

.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03);text-decoration:none;font-weight:600;font-size:14px;transition:transform .08s ease,border-color .12s ease}
.btn:hover{transform:translateY(-1px);border-color:rgba(125,211,252,.35)}
.btn.primary{background:linear-gradient(135deg,rgba(125,211,252,.22),rgba(167,139,250,.22));border-color:rgba(125,211,252,.30)}

section{padding:22px 0}
.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;margin-bottom:10px}
.section-title p{margin:0;color:var(--muted);font-size:13px}

.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:space-between;padding:12px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.02);margin:12px 0 14px}
.toolbar input,.toolbar select{appearance:none;background:rgba(0,0,0,.25);border:1px solid var(--line);color:var(--text);padding:10px 10px;border-radius:12px;font-size:14px;outline:none;min-width:220px}
.toolbar label{color:var(--muted);font-size:12px}

.books{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:980px){.books{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.books{grid-template-columns:1fr}}

.book{display:grid;grid-template-columns:86px 1fr;gap:12px;padding:14px}
.cover{width:86px;height:122px;border-radius:12px;border:1px solid var(--line);background:linear-gradient(135deg,rgba(125,211,252,.12),rgba(167,139,250,.12));display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:11px;text-align:center;padding:8px}
.book h3{margin:0;font-size:15px}
.meta{color:var(--muted);font-size:12px;margin-top:3px}
.desc{color:var(--text);font-size:13px;margin:8px 0 0}
.links{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--muted);padding:6px 8px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.02);text-decoration:none}
.tag:hover{border-color:rgba(125,211,252,.35);color:var(--text)}

footer{padding:26px 0 36px;color:var(--muted);border-top:1px solid var(--line);margin-top:22px}
.foot{display:flex;gap:14px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.small{font-size:12px}

.sr-only{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}

.notice{color:var(--muted);font-size:12px;margin-top:10px}