:root{
  --grad:linear-gradient(120deg,#4f6ef2 0%,#7c5bff 55%,#8b46e0 100%);
  --grad-soft:linear-gradient(120deg,#eef1ff,#f4f0ff 55%,#f6effc);
  --accent:#7c5bff; --accent2:#4f6ef2;
  --ink:#171a23; --muted:#6b7280; --line:#e6e8f0;
  --bg:#f5f6fb; --card:#ffffff; --ok:#16a34a; --danger:#e5484d; --warn:#d97706;
  --radius:16px; --shadow:0 10px 34px rgba(30,25,80,.08);
  --font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:'SFMono-Regular',ui-monospace,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.55}
a{color:var(--accent);text-decoration:none}
img{max-width:100%}
h1,h2,h3{margin:0 0 .4em;line-height:1.2;font-weight:800;letter-spacing:-.01em}
.hidden,[hidden]{display:none!important}

/* Topbar */
.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:18px;padding:14px 22px;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800}
.brand-mark{width:26px;height:26px;border-radius:8px;background:var(--grad);box-shadow:0 4px 12px rgba(124,91,255,.4)}
.brand-name{font-size:16px;letter-spacing:-.02em}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav a{padding:8px 12px;border-radius:9px;color:#3a4050;font-weight:600;font-size:14px}
.nav a:hover{background:#f0f1f7}
.nav a.active{color:var(--accent);background:#f2effe}
.nav .avatar{width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.menu-btn{display:none;margin-left:auto;background:none;border:none;font-size:22px;cursor:pointer;color:var(--ink)}

/* Layout */
.app{min-height:70vh}
.wrap{max-width:1080px;margin:0 auto;padding:28px 22px}
.wrap-sm{max-width:460px;margin:0 auto;padding:40px 22px}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:820px){.grid-3{grid-template-columns:1fr 1fr}.grid-2{grid-template-columns:1fr}.nav{display:none}.nav.open{display:flex;position:absolute;top:60px;right:12px;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;box-shadow:var(--shadow)}.menu-btn{display:block}}
@media(max-width:560px){.grid-3{grid-template-columns:1fr}}

/* Hero */
.hero{background:var(--grad);color:#fff;border-radius:24px;padding:56px 40px;margin:22px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero h1{color:#fff;font-size:40px;max-width:620px}
.hero p{color:rgba(255,255,255,.9);font-size:17px;max-width:560px;margin:0 0 22px}
.hero .pill{display:inline-block;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.25);padding:6px 14px;border-radius:100px;font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:16px}
@media(max-width:560px){.hero{padding:40px 24px;margin:14px}.hero h1{font-size:30px}}

/* Cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.product{overflow:hidden;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}
.product:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(30,25,80,.12)}
.product .thumb{aspect-ratio:16/10;background:var(--grad-soft);display:flex;align-items:center;justify-content:center;overflow:hidden}
.product .thumb img{width:100%;height:100%;object-fit:cover}
.product .thumb .ph{font-size:40px;opacity:.5}
.product .body{padding:16px 18px;display:flex;flex-direction:column;flex:1}
.product .type{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--accent)}
.product h3{font-size:17px;margin:6px 0}
.product .desc{color:var(--muted);font-size:13px;flex:1}
.price{display:flex;align-items:baseline;gap:8px;margin-top:12px}
.price .now{font-size:20px;font-weight:800}
.price .was{color:var(--muted);text-decoration:line-through;font-size:14px}
.price .free{color:var(--ok);font-weight:800}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-family:inherit;font-weight:700;font-size:14px;padding:12px 20px;border-radius:11px;transition:.15s;text-decoration:none}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(124,91,255,.32)}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-ghost{background:#f1f2f8;color:var(--ink)}
.btn-ghost:hover{background:#e8e9f3}
.btn-outline{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn-block{width:100%}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn-sm{padding:8px 14px;font-size:13px;border-radius:9px}
.link-btn{background:none;border:none;color:var(--accent);font-weight:600;cursor:pointer;font-family:inherit;font-size:13px;padding:0}

/* Forms / Auth */
.auth-card{padding:32px 30px}
.auth-head{text-align:center;margin-bottom:22px}
.auth-head .brand-mark{width:44px;height:44px;border-radius:12px;margin:0 auto 14px}
.auth-head h1{font-size:23px}
.auth-head p{color:var(--muted);font-size:14px;margin:0}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:#3a4050;margin-bottom:6px}
.input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:11px;font-size:15px;font-family:inherit;background:#fbfbfe;transition:.15s}
.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(124,91,255,.14);background:#fff}
.input.err{border-color:var(--danger)}
.row{display:flex;gap:10px}.row>*{flex:1}
.form-foot{margin-top:18px;text-align:center;font-size:14px;color:var(--muted)}
.form-foot a,.form-foot .link-btn{font-weight:700}
.between{display:flex;justify-content:space-between;align-items:center;margin:2px 0 14px}
.cf-wrap{display:flex;justify-content:center;margin:6px 0 16px;min-height:66px}
.otp-inputs{display:flex;gap:8px;justify-content:center;margin:8px 0 4px}
.otp-inputs input{width:46px;height:54px;text-align:center;font-size:22px;font-weight:800;border:1px solid var(--line);border-radius:11px;font-family:var(--mono);background:#fbfbfe}
.otp-inputs input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(124,91,255,.14)}

/* Misc UI */
.alert{padding:11px 14px;border-radius:11px;font-size:13.5px;margin-bottom:14px;font-weight:500}
.alert-err{background:#fff1f1;color:#b91c1c;border:1px solid #ffdcdc}
.alert-ok{background:#effaf3;color:#15803d;border:1px solid #c8ecd5}
.alert-info{background:#eef2ff;color:#3730a3;border:1px solid #dbe1ff}
.badge{display:inline-block;padding:3px 10px;border-radius:100px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.badge-ok{background:#e7f6ec;color:#15803d}.badge-warn{background:#fef3e2;color:#b45309}.badge-mut{background:#eef0f6;color:#5b6472}
.section-title{font-size:22px;margin:6px 0 18px}
.muted{color:var(--muted)}
.stat{padding:18px 20px}
.stat .k{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);font-weight:700}
.stat .v{font-size:26px;font-weight:800;margin-top:4px}
.mono{font-family:var(--mono)}
.spin{width:18px;height:18px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite;display:inline-block}
.spin-dark{border-color:rgba(124,91,255,.25);border-top-color:var(--accent)}
@keyframes sp{to{transform:rotate(360deg)}}
.center-load{display:flex;justify-content:center;padding:60px}
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:20px;overflow-x:auto}
.tabs button{background:none;border:none;padding:11px 14px;font-family:inherit;font-weight:600;font-size:14px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap}
.tabs button.active{color:var(--accent);border-bottom-color:var(--accent)}
.list-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.list-row:last-child{border-bottom:none}
.kbox{background:var(--grad-soft);border:1px solid #e7e2ff;border-radius:12px;padding:14px 16px;margin:10px 0}
.kbox .lk{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--accent);font-weight:700}
.kbox .kv{font-family:var(--mono);font-size:17px;font-weight:800;margin-top:4px;word-break:break-all}

/* Toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);opacity:0;pointer-events:none;background:#171a23;color:#fff;padding:12px 20px;border-radius:12px;font-size:14px;font-weight:600;z-index:100;transition:.25s;box-shadow:0 10px 30px rgba(0,0,0,.25);max-width:90vw}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{background:#b91c1c}.toast.ok{background:#15803d}

/* Footer */
.footer{border-top:1px solid var(--line);background:#fff;margin-top:40px}
.footer-inner{max-width:1080px;margin:0 auto;padding:22px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px;flex-wrap:wrap;gap:10px}
.footer-links{display:flex;gap:16px}

/* Checkout */
.co-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:22px}
@media(max-width:820px){.co-grid{grid-template-columns:1fr}}
.summary-row{display:flex;justify-content:space-between;padding:8px 0;font-size:14px;color:#4b5563}
.summary-row.total{border-top:1px solid var(--line);margin-top:8px;padding-top:12px;font-size:17px;font-weight:800;color:var(--ink)}
.modal-bg{position:fixed;inset:0;background:rgba(20,18,45,.55);display:flex;align-items:center;justify-content:center;z-index:80;padding:16px}
.modal{background:#fff;border-radius:18px;max-width:440px;width:100%;padding:26px;box-shadow:var(--shadow)}