:root{--bg:#0a0b12;--card:#151827;--line:#232741;--text:#eef0f7;--muted:#9aa0b5;--accent:#8b5cf6;--accent2:#ec4899;--header-bg:rgba(10,11,18,.72)}
[data-theme="light"]{--bg:#f6f7fb;--card:#ffffff;--line:#e6e8f0;--text:#12141f;--muted:#5a6172;--accent:#7c3aed;--accent2:#db2777;--header-bg:rgba(255,255,255,.78)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased;transition:background .35s ease,color .35s ease}
a{color:inherit;text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
.header{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--header-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:background .35s ease,border-color .35s ease}
.logo{font-weight:800;letter-spacing:.14em;font-size:18px;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.header nav{display:flex;gap:22px}
.header nav a{color:var(--muted);font-size:14px;transition:color .2s}
.header nav a:hover{color:var(--text)}
.cart{background:var(--card);border:1px solid var(--line);color:var(--text);border-radius:999px;padding:8px 14px;font-size:14px;cursor:pointer;display:flex;gap:6px;align-items:center}
.cart span{background:var(--accent);border-radius:999px;padding:0 7px;font-size:12px}
.theme-toggle{background:var(--card);border:1px solid var(--line);color:var(--text);border-radius:999px;padding:8px 14px;font-size:13px;cursor:pointer;transition:background .2s,border-color .2s,transform .15s}
.theme-toggle:hover{border-color:var(--accent);transform:translateY(-1px)}
.auth-nav{display:flex;align-items:center;gap:12px}
.auth-hi{color:var(--muted);font-size:14px}
.auth-link{color:var(--muted);font-size:14px;transition:color .2s}
.auth-link:hover{color:var(--text)}
.btn-mini{background:linear-gradient(90deg,var(--accent),var(--accent2));color:#fff;border-radius:999px;padding:8px 14px;font-size:13px;font-weight:600;transition:transform .15s,box-shadow .2s}
.btn-mini:hover{transform:translateY(-1px);box-shadow:0 8px 20px -8px var(--accent)}
.auth{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:60px 0}
.auth-card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:34px 30px}
.auth-card h1{font-size:26px;font-weight:800;letter-spacing:-.01em}
.auth-sub{color:var(--muted);font-size:14px;margin:6px 0 24px}
.auth-form{display:grid;gap:16px}
.auth-form label{display:grid;gap:7px;font-size:13px;font-weight:600;color:var(--muted)}
.auth-form input{background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:11px;padding:12px 14px;font-size:15px;transition:border-color .2s}
.auth-form input:focus{outline:none;border-color:var(--accent)}
.auth-form .btn{margin-top:6px;width:100%}
.auth-error{color:#f87171;font-size:13px;background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.25);padding:9px 12px;border-radius:10px}
.auth-alt{text-align:center;color:var(--muted);font-size:14px;margin-top:20px}
.auth-alt a{color:var(--accent2);font-weight:600}
@media(max-width:720px){.auth-nav .auth-hi{display:none}}
.hero{padding:88px 0 56px;text-align:center;max-width:760px;margin:0 auto}
.eyebrow{color:var(--accent2);font-weight:600;letter-spacing:.08em;text-transform:uppercase;font-size:13px;margin-bottom:14px}
.hero h1{font-size:clamp(38px,6vw,68px);line-height:1.04;font-weight:800;letter-spacing:-.02em}
.hero h1 span{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{color:var(--muted);font-size:18px;margin:20px auto 30px;max-width:560px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;border-radius:12px;padding:13px 22px;font-size:15px;font-weight:600;transition:transform .15s,box-shadow .2s}
.btn-primary{background:linear-gradient(90deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 8px 24px -8px var(--accent)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px var(--accent)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{background:var(--card)}
.grid-section{padding:26px 0 70px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:22px}
.section-head h2{font-size:26px;font-weight:700}
.muted{color:var(--muted);font-size:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:transform .2s,border-color .2s,box-shadow .3s;display:block}
.card:hover{transform:translateY(-6px);border-color:var(--accent);box-shadow:0 20px 40px -20px rgba(139,92,246,.6)}
.thumb{aspect-ratio:4/3;display:flex;align-items:flex-end;padding:16px;position:relative}
.thumb::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 80% at 80% 0%,rgba(255,255,255,.25),transparent 60%)}
.thumb-name{position:relative;font-weight:700;font-size:15px;color:rgba(255,255,255,.92);text-shadow:0 1px 8px rgba(0,0,0,.3)}
.card-body{padding:16px}
.chip{display:inline-block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent2);background:rgba(236,72,153,.1);border:1px solid rgba(236,72,153,.25);padding:3px 9px;border-radius:999px;margin-bottom:10px}
.card-body h3{font-size:16px;font-weight:600;margin-bottom:6px}
.price{color:var(--text);font-weight:700;font-size:18px}
.price.big{font-size:30px;margin:6px 0 16px}
.detail{padding:36px 0 80px}
.back{color:var(--muted);font-size:14px;display:inline-block;margin-bottom:22px;transition:color .2s}
.back:hover{color:var(--text)}
.detail-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:start}
.detail-thumb{aspect-ratio:1/1;border-radius:24px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:26px;color:rgba(255,255,255,.95);position:relative;overflow:hidden;text-align:center;padding:20px}
.detail-thumb::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 80% at 70% 10%,rgba(255,255,255,.3),transparent 55%)}
.detail-thumb span{position:relative;text-shadow:0 2px 12px rgba(0,0,0,.35)}
.detail-info h1{font-size:34px;font-weight:800;letter-spacing:-.01em;margin:12px 0}
.desc{color:var(--muted);font-size:16px;margin-bottom:24px}
.actions{display:flex;gap:12px;margin-bottom:26px;flex-wrap:wrap}
.perks{list-style:none;display:grid;gap:10px}
.perks li{color:var(--muted);font-size:14px;padding-left:24px;position:relative}
.perks li::before{content:"\2713";position:absolute;left:0;color:var(--accent);font-weight:700}
.footer{border-top:1px solid var(--line);color:var(--muted);text-align:center;padding:28px;font-size:13px;margin-top:40px}
.page{animation:enter .45s cubic-bezier(.22,1,.36,1) both}
@keyframes enter{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media(max-width:720px){.detail-grid{grid-template-columns:1fr}.header nav{display:none}}