:root{
  --bg:#070b12;
  --bg2:#0c1220;
  --panel:#101827;
  --panel2:#111d31;
  --text:#f6f7fb;
  --muted:#9da8bc;
  --line:rgba(255,255,255,.1);
  --primary:#7c3cff;
  --primary2:#21d4fd;
  --success:#18c98b;
  --danger:#ff4d6d;
  --warning:#ffc857;
  --radius:22px;
  --shadow:0 24px 80px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 80% 0%,rgba(124,60,255,.18),transparent 34%),radial-gradient(circle at 10% 20%,rgba(33,212,253,.12),transparent 30%),var(--bg);color:var(--text);font-family:Tahoma,Arial,"Segoe UI",sans-serif;line-height:1.8;min-height:100vh}
a{color:inherit;text-decoration:none}img{max-width:100%}.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(7,11,18,.78);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 0}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--primary2));font-weight:900;box-shadow:0 10px 30px rgba(124,60,255,.3)}.brand strong{display:block;font-size:20px;line-height:1}.brand small{display:block;color:var(--muted);font-size:12px;margin-top:4px}.main-nav{display:flex;align-items:center;gap:8px}.main-nav a{padding:10px 13px;border-radius:14px;color:#dfe5f2;font-weight:700}.main-nav a:hover{background:rgba(255,255,255,.06)}.nav-toggle{display:none;background:transparent;color:var(--text);border:1px solid var(--line);border-radius:12px;padding:8px 12px;font-size:20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:16px;padding:11px 18px;font-weight:900;cursor:pointer;transition:.18s transform,.18s opacity,.18s background;line-height:1.3}.btn:hover{transform:translateY(-1px);opacity:.95}.btn-primary{background:linear-gradient(135deg,var(--primary),#5a2dff);color:white;box-shadow:0 18px 40px rgba(124,60,255,.28)}.btn-secondary{background:rgba(255,255,255,.08);color:var(--text);border:1px solid var(--line)}.btn-ghost{background:transparent;border:1px solid var(--line)}.btn-success{background:linear-gradient(135deg,var(--success),#0fae75);color:#001e14}.btn-danger{background:rgba(255,77,109,.15);color:#ffd4dc;border:1px solid rgba(255,77,109,.3)}.btn-lg{padding:15px 24px;font-size:16px}.btn-sm{padding:8px 12px;border-radius:12px;font-size:13px}.hero-section{padding:80px 0 50px}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:38px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#9fdfff;background:rgba(33,212,253,.09);border:1px solid rgba(33,212,253,.18);border-radius:999px;padding:6px 12px;font-weight:900;font-size:13px}.hero-content h1,.page-hero h1{font-size:clamp(38px,6vw,72px);line-height:1.15;margin:18px 0 18px;letter-spacing:-1.6px}.hero-content p,.page-hero p,.section-head p{color:var(--muted);font-size:18px;max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero-points{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}.hero-points span{padding:8px 12px;border:1px solid var(--line);border-radius:999px;color:#cbd5e8;background:rgba(255,255,255,.04);font-size:13px}.hero-panel{min-height:520px;display:grid;place-items:center;position:relative}.hero-panel:before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:linear-gradient(135deg,rgba(124,60,255,.45),rgba(33,212,253,.22));filter:blur(35px);opacity:.85}.glass-card{position:relative;background:linear-gradient(180deg,rgba(255,255,255,.11),rgba(255,255,255,.04));border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(20px);border-radius:30px}.main-book-preview{padding:34px;width:min(420px,100%);transform:rotate(-2deg)}.panel-label{color:var(--muted);font-weight:900;letter-spacing:.5px}.main-book-preview h2{font-size:42px;margin:12px 0}.main-book-preview p{color:#c7d1e5}.mini-stack{display:grid;gap:10px;margin-top:24px}.mini-stack span{padding:13px 14px;border-radius:16px;background:rgba(0,0,0,.22);border:1px solid var(--line);font-weight:800}.section{padding:70px 0}.section-head{text-align:center;margin-bottom:32px}.section-head h2,.steps-grid h2{font-size:clamp(30px,4vw,48px);line-height:1.25;margin:12px 0}.books-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.book-card{background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 16px 50px rgba(0,0,0,.22);display:flex;flex-direction:column}.book-cover{min-height:240px;padding:22px;border-radius:var(--radius);background:radial-gradient(circle at 20% 20%,rgba(33,212,253,.3),transparent 30%),linear-gradient(145deg,#24134d,#0d2940 55%,#07111e);display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.book-cover:after{content:"";position:absolute;inset:16px;border:1px solid rgba(255,255,255,.14);border-radius:18px;pointer-events:none}.book-cover strong{position:relative;z-index:1;font-size:23px;line-height:1.35;max-width:90%}.book-cover small{position:relative;z-index:1;color:#d7efff}.cover-badge{position:relative;z-index:1;align-self:flex-start;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:6px 10px;font-size:12px;font-weight:900}.book-body{padding:18px;display:flex;flex-direction:column;gap:12px;flex:1}.book-meta{display:flex;justify-content:space-between;gap:8px;color:var(--muted);font-size:12px}.book-card h3{font-size:19px;line-height:1.35;margin:0}.book-card p{color:var(--muted);font-size:14px;margin:0;flex:1}.book-actions{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:auto}.price{font-size:20px}.dark-section{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015));border-block:1px solid var(--line)}.steps-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:center}.steps{display:grid;gap:14px}.step{display:flex;gap:16px;align-items:center;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:20px;padding:18px}.step strong{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary2));display:grid;place-items:center;flex:0 0 auto}.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.trust-card,.panel,.auth-card,.status-card,.order-summary{background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 18px 60px rgba(0,0,0,.2)}.trust-card h3,.panel h2{margin-top:0}.trust-card p,.muted{color:var(--muted)}.site-footer{border-top:1px solid var(--line);padding:45px 0 24px;background:rgba(0,0,0,.22)}.footer-grid{display:grid;grid-template-columns:1.4fr .7fr 1fr;gap:25px}.footer-grid a{display:block;color:#cfd8ea;margin:7px 0}.footer-grid p{color:var(--muted);max-width:520px}.copyright{color:var(--muted);padding-top:24px;border-top:1px solid var(--line);margin-top:24px;font-size:14px}.page-hero{padding:65px 0 30px}.page-hero.compact h1{font-size:clamp(34px,5vw,58px)}.detail-grid{display:grid;grid-template-columns:380px 1fr;gap:34px;align-items:start}.detail-cover{min-height:520px}.detail-content h1{font-size:clamp(34px,5vw,58px);line-height:1.18;margin:16px 0 10px}.detail-content h2{color:#c8d3e5;font-size:22px;margin:0 0 18px}.detail-content p{color:var(--muted);font-size:17px}.detail-box{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}.detail-box div{padding:16px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid var(--line)}.detail-box span{display:block;color:var(--muted);font-size:13px}.detail-box strong{font-size:18px}.detail-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.auth-section{min-height:70vh;display:grid;place-items:center}.auth-card{max-width:560px}.form{display:grid;gap:16px}.form label{display:grid;gap:8px;font-weight:900;color:#dce5f5}.form input,.form textarea,.form select{width:100%;background:rgba(0,0,0,.24);color:var(--text);border:1px solid var(--line);border-radius:16px;padding:13px 14px;font:inherit;outline:none}.form input:focus,.form textarea:focus{border-color:rgba(33,212,253,.55);box-shadow:0 0 0 4px rgba(33,212,253,.08)}.form small{color:var(--muted);font-weight:400}.center{text-align:center}.alert{padding:13px 16px;border-radius:16px;margin:10px 0;border:1px solid var(--line)}.alert-success{background:rgba(24,201,139,.1);border-color:rgba(24,201,139,.3)}.alert-danger{background:rgba(255,77,109,.1);border-color:rgba(255,77,109,.3)}.alert-warning{background:rgba(255,200,87,.1);border-color:rgba(255,200,87,.3)}.alert-info{background:rgba(33,212,253,.1);border-color:rgba(33,212,253,.25)}.flash-wrap{padding-top:14px}.dashboard-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}.panel.wide{min-height:320px}.library-list{display:grid;gap:12px}.library-item{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:16px;background:rgba(255,255,255,.045);border:1px solid var(--line);border-radius:18px}.library-item h3{margin:0}.library-item p{color:var(--muted);margin:4px 0 0}.orders-mini{display:grid;gap:10px}.orders-mini a{padding:13px;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.04)}.orders-mini strong,.orders-mini span{display:block}.orders-mini span{color:var(--muted);font-size:14px}.checkout-grid{display:grid;grid-template-columns:1fr 360px;gap:20px}.summary-cover{min-height:280px;margin-bottom:18px}.summary-row{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:13px 0;color:#dbe3f3}.summary-row.total{font-size:20px;color:#fff}.status-card{max-width:720px;text-align:center}.status-icon{width:74px;height:74px;border-radius:24px;display:grid;place-items:center;margin:0 auto 16px;font-size:40px;font-weight:900}.status-icon.success{background:rgba(24,201,139,.18);color:var(--success)}.status-icon.pending{background:rgba(255,200,87,.15);color:var(--warning)}.status-icon.danger{background:rgba(255,77,109,.15);color:var(--danger)}.admin-head{display:flex;align-items:center;justify-content:space-between;gap:18px}.admin-links{display:flex;gap:10px;flex-wrap:wrap}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}.stat-card{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:20px;padding:20px}.stat-card span{display:block;color:var(--muted)}.stat-card strong{font-size:34px}.table-wrap{overflow:auto}.table-wrap table{width:100%;border-collapse:collapse;min-width:760px}.table-wrap th,.table-wrap td{text-align:right;border-bottom:1px solid var(--line);padding:13px;vertical-align:middle}.table-wrap th{color:#cdd7e8;background:rgba(255,255,255,.035)}.pill{display:inline-flex;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:900}.pill-paid{background:rgba(24,201,139,.14);color:#8dffd4}.pill-pending{background:rgba(255,200,87,.14);color:#ffe09b}.pill-canceled,.pill-refunded{background:rgba(255,77,109,.12);color:#ffc8d2}.inline-form{display:flex;gap:8px;flex-wrap:wrap}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid.four{grid-template-columns:repeat(4,1fr)}.checkbox{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center;justify-content:flex-start;gap:10px}.checkbox input{width:auto}.form-actions{display:flex;gap:10px;flex-wrap:wrap}.empty-state{text-align:center;padding:40px;border:1px dashed var(--line);border-radius:20px;background:rgba(255,255,255,.03)}.site-notice{background:rgba(255,200,87,.12);border-bottom:1px solid rgba(255,200,87,.18);color:#ffe09b;padding:10px 0;text-align:center;font-weight:800}code{background:rgba(0,0,0,.35);border:1px solid var(--line);border-radius:8px;padding:2px 6px;color:#c8ecff;direction:ltr;display:inline-block}
@media (max-width:980px){.hero-grid,.steps-grid,.detail-grid,.dashboard-grid,.checkout-grid{grid-template-columns:1fr}.books-grid{grid-template-columns:repeat(2,1fr)}.trust-grid,.footer-grid,.stats-grid{grid-template-columns:1fr 1fr}.detail-cover{min-height:360px}.hero-panel{min-height:420px}.form-grid.four{grid-template-columns:1fr 1fr}}
@media (max-width:720px){.container{width:min(100% - 26px,1180px)}.nav-toggle{display:block}.main-nav{position:absolute;inset-inline:13px;top:76px;display:none;flex-direction:column;align-items:stretch;background:rgba(7,11,18,.96);border:1px solid var(--line);border-radius:20px;padding:12px;box-shadow:var(--shadow)}.main-nav.is-open{display:flex}.main-nav a{width:100%}.hero-section{padding-top:45px}.hero-content h1{font-size:38px}.books-grid,.trust-grid,.footer-grid,.stats-grid,.form-grid,.form-grid.four,.detail-box{grid-template-columns:1fr}.library-item,.admin-head{align-items:stretch;flex-direction:column}.book-cover{min-height:220px}.section{padding:48px 0}.checkout-grid{gap:14px}}