/* =========================================================
   VEX HUB – Premium storefront + Admin builder
   Dark/Light theme + neon accents + animated background
   ========================================================= */

:root{
  --font: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;

  /* Dark defaults */
  --bg0:#050716;
  --bg1:#030412;
  --card: rgba(12,18,44,.62);
  --card2: rgba(10,16,40,.78);

  --primary:#6D5CFF;
  --secondary:#FF4FD8;
  --accent:#38BDF8;

  --g1:109,92,255;
  --g2:255,79,216;
  --g3:56,189,248;

  --text:#EEF1FF;
  --muted:rgba(238,241,255,.70);
  --dim:rgba(238,241,255,.52);

  --border: rgba(120,170,255,.18);
  --border2: rgba(170,120,255,.22);

  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;

  --grad: linear-gradient(135deg, var(--accent), var(--primary) 45%, var(--secondary));
  --shadow: 0 16px 48px rgba(0,0,0,.45);
}

html[data-theme="light"]{
  --bg0:#f7f8ff;
  --bg1:#eef1ff;
  --card: rgba(255,255,255,.72);
  --card2: rgba(255,255,255,.88);

  --text:#0b1022;
  --muted:rgba(11,16,34,.70);
  --dim:rgba(11,16,34,.55);

  --border: rgba(35,60,120,.16);
  --border2: rgba(120,30,120,.14);

  --shadow: 0 16px 48px rgba(10,16,34,.16);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 18% 12%, rgba(109,92,255,.28), transparent 55%),
    radial-gradient(900px 520px at 82% 18%, rgba(255,79,216,.22), transparent 58%),
    radial-gradient(900px 560px at 55% 92%, rgba(56,189,248,.18), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}

body::before, body::after{
  content:"";
  position:fixed;
  inset:-20%;
  z-index:-1;
  pointer-events:none;
}
body::before{
  background:
    radial-gradient(60% 40% at 20% 25%, rgba(109,92,255,.18), transparent 60%),
    radial-gradient(50% 35% at 80% 30%, rgba(255,79,216,.14), transparent 62%),
    radial-gradient(55% 40% at 55% 80%, rgba(56,189,248,.12), transparent 65%);
  filter: blur(28px);
  opacity:.95;
  animation: nebulaMove 16s ease-in-out infinite alternate;
}
body::after{
  background:
    repeating-linear-gradient(120deg, rgba(109,92,255,.08) 0px, rgba(109,92,255,.08) 1px, transparent 1px, transparent 14px),
    repeating-linear-gradient(120deg, rgba(255,79,216,.06) 0px, rgba(255,79,216,.06) 1px, transparent 1px, transparent 18px),
    repeating-linear-gradient(120deg, rgba(56,189,248,.05) 0px, rgba(56,189,248,.05) 1px, transparent 1px, transparent 22px);
  opacity:.55;
  transform: translateZ(0);
  animation: streakMove 22s linear infinite;
}
@keyframes nebulaMove{from{transform:translate3d(-2%,-1%,0) scale(1)} to{transform:translate3d(2%,1%,0) scale(1.05)}}
@keyframes streakMove{from{transform:translate3d(0,0,0)} to{transform:translate3d(-300px,300px,0)}}
@media (prefers-reduced-motion: reduce){ body::before, body::after{animation:none} }

a{color:inherit;text-decoration:none}
a:hover{text-decoration:none}
img{max-width:100%;height:auto;display:block}

.container{max-width:1200px;margin:0 auto;padding:0 20px}
.grid{display:grid;gap:24px}
.row{display:flex;gap:16px;align-items:center}
.spacer{height:18px}
.muted{color:var(--muted)}
.dim{color:var(--dim)}
.small{font-size:.92rem}

.navbar{
  position:sticky; top:0; z-index:1000;
  backdrop-filter: blur(16px);
  background: rgba(8,10,30,.62);
  border-bottom: 1px solid var(--border);
}
.navbar .inner{
  height:72px;
  display:flex; align-items:center; justify-content:space-between;
}
.nav-left{display:flex;align-items:center;gap:18px}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:900;
}
.brand .logo-img{
  width:38px;height:38px;border-radius:12px;object-fit:contain;
  box-shadow: 0 0 16px rgba(var(--g1),.45), 0 0 28px rgba(var(--g2),.25);
  background: rgba(255,255,255,.06);
}
.brand .logo-text{
  background: var(--grad);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  letter-spacing:-0.02em;
}
.nav-links{display:flex;gap:18px;align-items:center}
.nav-links a{
  color:var(--muted);
  font-weight:600;
  font-size:.92rem;
  padding:10px 10px;
  border-radius:12px;
  transition:.18s ease;
}
.nav-links a:hover{
  color:var(--text);
  background: rgba(255,255,255,.05);
  box-shadow: 0 0 18px rgba(var(--g1),.16), 0 0 14px rgba(var(--g2),.10);
}

.theme-toggle{
  border:1px solid var(--border2);
  background: rgba(255,255,255,.05);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 12px;
  display:flex; align-items:center; gap:10px;
  cursor:pointer;
  transition:.18s ease;
}
.theme-toggle:hover{border-color:rgba(var(--g3),.7); box-shadow:0 0 18px rgba(var(--g3),.14)}

.hero{ padding:92px 0 52px; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap:26px;
  align-items:start;
}
.hero h1{
  font-size: 3.1rem;
  line-height:1.12;
  letter-spacing:-0.03em;
  margin:0 0 14px;
}
.hero p{margin:0 0 18px;color:var(--muted);max-width:56ch}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}

.pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.pill{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 14px;
  border-radius:999px;
  background: rgba(255,255,255,.05);
  border:1px solid var(--border);
  color:var(--muted);
  font-weight:600;
  font-size:.88rem;
}
.pill .dot{width:10px;height:10px;border-radius:99px;background: rgba(var(--g3),.9);box-shadow:0 0 14px rgba(var(--g3),.35)}

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.card.pad{padding:20px}
.card:hover{
  box-shadow: var(--shadow), 0 0 26px rgba(var(--g1),.20), 0 0 20px rgba(var(--g3),.12);
  transform: translateY(-2px);
  transition:.18s ease;
}

.preview-flow{display:flex;flex-direction:column;gap:10px;margin-top:10px}
.flow-step{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border-radius:14px;
  background: rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
}
.badge{
  font-size:.82rem;
  padding:6px 10px;border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  color:var(--muted);
}
.badge.ok{border-color: rgba(var(--g3),.45); color: var(--text); box-shadow: 0 0 14px rgba(var(--g3),.12)}
.badge.warn{border-color: rgba(var(--g2),.35)}
.badge.dim{border-color: rgba(255,255,255,.10)}

.section{padding:30px 0}
.section h2{margin:0 0 10px; font-size:1.35rem; letter-spacing:-0.02em}
.section p{margin:0;color:var(--muted);line-height:1.65}

.cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:1000px){.cards-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.cards-grid{grid-template-columns:1fr}}

.card-mini{padding:16px}
.card-mini .t{font-weight:800;margin:0 0 6px}
.card-mini .d{margin:0;color:var(--muted);font-size:.94rem;line-height:1.55}

.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:1000px){.products-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.products-grid{grid-template-columns:1fr}}

.product-card{padding:16px}
.product-card .media{
  border-radius:16px; overflow:hidden;
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  aspect-ratio: 16/9;
}
.product-card .name{font-weight:900;margin:12px 0 6px}
.product-card .desc{margin:0 0 12px;color:var(--muted);line-height:1.55}
.price{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}
.price .usd{font-weight:900}
.price .ltc{color:var(--muted);font-weight:700;font-size:.92rem}

.btn{
  border:1px solid var(--border2);
  background: rgba(255,255,255,.05);
  color: var(--text);
  border-radius: var(--r-md);
  padding: 12px 14px;
  font-weight:800;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  cursor:pointer;
  transition:.18s ease;
}
.btn.primary{
  background: var(--grad);
  border-color: rgba(255,255,255,.08);
  box-shadow: 0 10px 30px rgba(var(--g1),.22), 0 0 34px rgba(var(--g2),.18);
}
.btn.primary:hover{transform:translateY(-2px); box-shadow: 0 14px 42px rgba(var(--g1),.28), 0 0 52px rgba(var(--g2),.22)}
.btn:hover{border-color: rgba(var(--g3),.7); box-shadow: 0 0 18px rgba(var(--g3),.12)}
.btn.block{width:100%}

.form{ display:grid;gap:12px }
label{font-weight:800;font-size:.9rem}
input,select,textarea{
  width:100%;
  background: rgba(0,0,0,.35);
  border:1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 12px 12px;
  color: var(--text);
}
html[data-theme="light"] input,
html[data-theme="light"] select,
html[data-theme="light"] textarea{ background: rgba(255,255,255,.8); }
input:focus,select:focus,textarea:focus{
  outline:none;
  border-color: rgba(var(--g3),.9);
  box-shadow: 0 0 0 2px rgba(var(--g3),.20);
}

.footer{
  padding:26px 0 40px;
  border-top: 1px solid rgba(255,255,255,.10);
  color: var(--dim);
  font-size:.9rem;
}
hr.sep{ border:0; height:1px; background: rgba(255,255,255,.10); margin: 14px 0; }
.kbd{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size:.86rem;
  padding: 3px 8px;border-radius: 10px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: var(--text);
}

/* Admin */
.admin-wrap{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{
  position:sticky;top:0;height:100vh;
  background: rgba(8,10,30,.70);
  backdrop-filter: blur(16px);
  border-right:1px solid var(--border);
  padding:16px;
}
.side-title{font-weight:900;margin:8px 8px 14px}
.side a{
  display:flex;gap:10px;align-items:center;
  padding:10px 10px;border-radius:14px;
  color:var(--muted);font-weight:800;font-size:.92rem;
}
.side a:hover{background: rgba(255,255,255,.05); color: var(--text)}
.main{padding:22px}
.top-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}

.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:12px 10px;border-bottom:1px solid rgba(255,255,255,.08);text-align:left}
.table th{color:var(--text)}
.table td{color:var(--muted)}

.notice{
  padding:12px 14px;border-radius:16px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: var(--muted);
}
.toast{
  position:fixed;right:18px;bottom:18px;
  padding:12px 14px;border-radius:16px;
  background: rgba(10,16,40,.88);
  border:1px solid rgba(255,255,255,.10);
  box-shadow: 0 16px 50px rgba(0,0,0,.45);
  transform: translateY(10px); opacity:0;
  transition:.22s ease; z-index:2000;
}
.toast.show{transform: translateY(0); opacity:1}
.toast.success{border-color: rgba(var(--g3),.5)}
.toast.error{border-color: rgba(var(--g2),.5)}

.dragging{opacity:.55}

@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .admin-wrap{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto}
  .nav-links{display:none}
}

/* Premium shimmer for primary CTA */
.btn.primary{position:relative;overflow:hidden}
.btn.primary::after{
  content:"";
  position:absolute;inset:-40%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.22), transparent);
  transform: translateX(-60%) rotate(15deg);
  animation: shimmer 3.6s ease-in-out infinite;
  pointer-events:none;
}
@keyframes shimmer{0%,55%{transform:translateX(-70%) rotate(15deg);opacity:0}65%{opacity:.9}100%{transform:translateX(70%) rotate(15deg);opacity:0}}
@media (prefers-reduced-motion: reduce){ .btn.primary::after{animation:none; opacity:0} }

.btn.danger{border-color:rgba(var(--g2),.55);background:rgba(var(--g2),.12)}
.btn.danger:hover{background:rgba(var(--g2),.18)}