:root{
  --bg:#0a0b0f;
  --bg2:#12141a;
  --card:#171a22;
  --border:#232733;
  --text:#e9ecf5;
  --muted:#8a90a3;
  --accent:#6e5bff;
  --accent2:#00d4b5;
  --danger:#ff5c6c;
  --radius:14px;
  --nav-w:220px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:radial-gradient(1200px 600px at 20% -10%, #1b1430 0%, var(--bg) 55%) fixed, var(--bg);
  color:var(--text);
  font-family:"Segoe UI",system-ui,-apple-system,sans-serif;
  min-height:100vh;
}
a{color:inherit;text-decoration:none}

#bgCanvas{position:fixed;inset:0;z-index:0;pointer-events:none}

/* page transitions */
@keyframes fadeInPage{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeOutPage{from{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-8px)}}
.page{animation:fadeInPage .35s ease both}
body.page-leaving .page{animation:fadeOutPage .18s ease both}

/* card entrance */
@keyframes cardIn{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
.card,.skid-card,.panel{animation:cardIn .4s ease both}

/* category switch pulse */
@keyframes gridSwap{0%{opacity:0;transform:scale(.98)}100%{opacity:1;transform:scale(1)}}
.grid.swapping,.skid-grid.swapping{animation:gridSwap .25s ease}

/* button loading / success */
@keyframes spin{to{transform:rotate(360deg)}}
.spinner{
  width:14px;height:14px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;
  border-radius:50%;display:inline-block;animation:spin .6s linear infinite;
}
@keyframes successPop{0%{transform:scale(1)}40%{transform:scale(1.08)}100%{transform:scale(1)}}
button.success{background:linear-gradient(135deg,var(--accent2),#3be6cf)!important;animation:successPop .35s ease}
button.shake{animation:shake .3s ease}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}

/* nav link press feedback */
.sidenav-link{transition:background .15s, color .15s, transform .1s}
.sidenav-link:active{transform:scale(.96)}

/* cat button press */
.cat-btn{transition:background .15s, color .15s, transform .1s}
.cat-btn:active{transform:scale(.95)}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001s!important;animation-delay:0s!important;transition-duration:.001s!important}
}

/* sidebar nav */
.sidenav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:rgba(14,15,20,.9);backdrop-filter:blur(10px);border-right:1px solid var(--border);
  display:flex;flex-direction:column;gap:4px;padding:22px 14px;z-index:20;
}
.sidenav-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:18px;padding:0 10px}
.sidenav-brand .brand-mark{flex-shrink:0}
.logo-img{height:28px;display:block}
.sidenav-link{
  padding:10px 12px;border-radius:9px;color:var(--muted);font-weight:600;font-size:14.5px;
  transition:background .15s, color .15s;
}
.sidenav-link:hover{background:var(--bg2);color:var(--text)}
.sidenav-link.active{background:rgba(110,91,255,.18);color:#b3a6ff}

/* page shell */
.page{margin-left:var(--nav-w);position:relative;z-index:1;min-height:100vh}
@media (max-width:720px){
  .sidenav{width:100%;height:auto;position:relative;flex-direction:row;overflow-x:auto;border-right:none;border-bottom:1px solid var(--border)}
  .sidenav-brand{display:none}
  .page{margin-left:0}
}

.logo-img-nav{height:28px}
.banner{height:220px;background-size:cover;background-position:center;position:relative}
.banner::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,11,15,0) 0%,var(--bg) 100%)}
.hero{padding:72px 32px 36px;text-align:center;max-width:760px;margin:0 auto}
.hero.with-banner{padding-top:32px;margin-top:-40px}
.hero h1{font-size:clamp(32px,5vw,48px);margin:0 0 12px;line-height:1.1}
.hero h1 span{background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:16px;margin:0}

.wrap{max-width:1100px;margin:0 auto;padding:0 32px 80px}
.cat-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.cat-btn{
  background:var(--card);border:1px solid var(--border);color:var(--muted);padding:7px 14px;border-radius:999px;
  font-size:13.5px;font-weight:600;cursor:pointer;
}
.cat-btn:hover{color:var(--text)}
.cat-btn.active{background:rgba(110,91,255,.18);border-color:transparent;color:#b3a6ff}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;display:flex;flex-direction:column;gap:10px;transition:border-color .15s, transform .15s;
}
.card:hover{border-color:#39405a;transform:translateY(-2px)}
.thumb{width:100%;height:140px;object-fit:cover;border-radius:9px;margin:-4px -4px 2px}
.card .badge{
  align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;
  padding:3px 8px;border-radius:6px;background:rgba(110,91,255,.15);color:#b3a6ff;
}
.card .badge.free{background:rgba(0,212,181,.15);color:#6fe8d6}
.card h3{margin:2px 0 0;font-size:18px}
.card p.desc{color:var(--muted);font-size:13.5px;margin:0;line-height:1.5;min-height:40px}
.card .foot{display:flex;align-items:center;justify-content:space-between;margin-top:8px}
.price{font-weight:800;font-size:17px}
.price.free{color:var(--accent2)}
.price-old{color:var(--muted);text-decoration:line-through;font-size:13px;font-weight:600}

button, .btn{
  font-family:inherit;border:none;border-radius:9px;padding:10px 16px;font-size:14px;font-weight:700;
  cursor:pointer;color:#fff;background:linear-gradient(135deg,var(--accent),#8a7bff);display:inline-flex;align-items:center;gap:6px;
  transition:opacity .15s, transform .1s;
}
button:hover,.btn:hover{opacity:.92}
button:active,.btn:active{transform:scale(.97)}
button.secondary,.btn.secondary{background:var(--bg2);border:1px solid var(--border);color:var(--text)}
button.danger{background:var(--danger)}
button:disabled{opacity:.5;cursor:not-allowed}
.empty{color:var(--muted);text-align:center;padding:60px 0;font-size:15px}

/* about / content pages */
.content-panel{max-width:760px;margin:60px auto;padding:0 32px}
.content-panel h1{font-size:34px;margin-bottom:6px}
.content-panel .about-body{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;
  font-size:15px;line-height:1.7;color:#cfd2de;white-space:pre-wrap;
}

/* hall of skids */
.skid-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px}
.skid-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;
  display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;
  transition:transform .15s, border-color .15s;
}
.skid-card:hover{transform:translateY(-3px);border-color:#39405a}
.skid-avatar{width:72px;height:72px;border-radius:50%;object-fit:cover;background:var(--bg2);border:2px solid var(--border)}
.skid-avatar.placeholder{display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;color:var(--muted)}
.skid-name{font-weight:700;font-size:15.5px}
.gloved-badge{
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.3px;
}
.gloved-badge.yes{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;cursor:pointer;border:none}
.gloved-badge.no{background:var(--bg2);color:var(--muted);border:1px solid var(--border)}
.music-bar{
  position:fixed;bottom:16px;right:16px;background:var(--card);border:1px solid var(--border);
  border-radius:999px;padding:8px 16px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);z-index:30;
}
.volume-bar{
  position:fixed;top:16px;right:16px;background:var(--card);border:1px solid var(--border);
  border-radius:999px;padding:8px 16px;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);z-index:30;
}
.volume-bar input[type=range]{width:90px;accent-color:var(--accent)}

/* admin */
.admin-wrap{max-width:860px;margin:0 auto;padding:40px 24px 80px}
.tabs{display:flex;gap:8px;margin-bottom:20px;border-bottom:1px solid var(--border);padding-bottom:12px}
.tab-btn{background:transparent;border:none;color:var(--muted);font-weight:700;padding:8px 14px;border-radius:8px;cursor:pointer}
.tab-btn:hover{color:var(--text)}
.tab-btn.active{background:rgba(110,91,255,.18);color:#b3a6ff}
.tab-panel{display:none}
.tab-panel.active{display:block}
.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:20px}
.panel h2{margin:0 0 16px;font-size:18px}
label{display:block;font-size:12.5px;color:var(--muted);margin:14px 0 6px}
input[type=text],input[type=password],input[type=number],textarea{
  width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);
  background:var(--bg2);color:var(--text);font-family:inherit;font-size:14px;
}
input[type=file]{color:var(--muted);font-size:13px}
textarea{resize:vertical}
.row{display:flex;gap:10px;align-items:center}
.row.between{justify-content:space-between}
.msg{font-size:13px;margin-top:10px}
.msg.err{color:var(--danger)}
.msg.ok{color:var(--accent2)}
.prod-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border)}
.prod-row:last-child{border-bottom:none}
.prod-row .meta{font-size:13px;color:var(--muted)}
.checkbox-row{display:flex;align-items:center;gap:8px;margin-top:14px}
.checkbox-row input{width:auto}