*{margin:0;padding:0;box-sizing:border-box}

:root{
  --bg:#07070d; --bg-2:#0c0c16;
  --surface:rgba(255,255,255,.035);
  --surface-2:rgba(255,255,255,.07);
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.16);
  --fg:#f4f4f8; --fg-dim:#c5c5d2; --muted:#7a7a8c;
  --accent:#00ffa3; --accent-2:#ff6b9d; --accent-3:#7c5cff;
  --radius:20px; --radius-sm:12px;
  --ease:cubic-bezier(.4,0,.2,1);
  --ease-bounce:cubic-bezier(.34,1.56,.64,1);
  --max:1480px;
}
[data-theme="light"]{
  --bg:#f5f5fa; --bg-2:#ebebf2;
  --surface:rgba(255,255,255,.7);
  --surface-2:rgba(255,255,255,.95);
  --border:rgba(0,0,0,.08);
  --border-strong:rgba(0,0,0,.15);
  --fg:#15151c; --fg-dim:#3a3a45; --muted:#7a7a85;
}

html{
  background-color:var(--bg);
  height:100%;
}

body{
  background-color:var(--bg); color:var(--fg);
  font-family:'DM Sans',-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  font-size:15px; line-height:1.5;
  min-height:100%; min-height:100vh; min-height:100dvh; min-height:-webkit-fill-available;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

.aurora{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none;width:100%;height:100%}
.aurora::before,.aurora::after{
  content:'';position:absolute;width:60vw;height:60vw;border-radius:50%;
  filter:blur(120px);opacity:.35;animation:drift 22s infinite ease-in-out;
}
.aurora::before{background:radial-gradient(circle,#00ffa3 0%,transparent 70%);top:-20vw;left:-10vw}
.aurora::after{background:radial-gradient(circle,#7c5cff 0%,transparent 70%);bottom:-20vw;right:-10vw;animation-delay:-11s}
.aurora .blob3{position:absolute;width:40vw;height:40vw;border-radius:50%;filter:blur(100px);opacity:.22;background:radial-gradient(circle,#ff6b9d 0%,transparent 70%);top:30%;left:30%;animation:drift 28s infinite ease-in-out reverse}
@keyframes drift{
  0%,100%{transform:translate(0,0) scale(1)}
  33%{transform:translate(10vw,-5vw) scale(1.1)}
  66%{transform:translate(-5vw,10vw) scale(.95)}
}

.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.35;mix-blend-mode:overlay;width:100%;height:100%;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

header{
  position:sticky;top:0;z-index:100;
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  backdrop-filter:blur(20px) saturate(180%);
  background:rgba(7,7,13,.65);
  border-bottom:1px solid var(--border);
  padding-top:env(safe-area-inset-top, 0px);
  padding-left:env(safe-area-inset-left, 0px);
  padding-right:env(safe-area-inset-right, 0px);
}
[data-theme="light"] header{background:rgba(245,245,250,.75)}
.header-inner{max-width:var(--max);margin:0 auto;padding:16px 28px;display:flex;align-items:center;gap:20px}

.logo{display:flex;align-items:center;gap:12px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:22px;letter-spacing:-.02em}
.logo-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--accent),var(--accent-3));
  display:grid;place-items:center;color:#000;
  box-shadow:0 8px 24px -8px var(--accent);
  position:relative;overflow:hidden;
}
.logo-mark::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,transparent 40%,rgba(255,255,255,.5) 50%,transparent 60%);animation:shine 4s infinite}
@keyframes shine{0%,100%{transform:translateX(-100%)}50%{transform:translateX(100%)}}
.logo-mark i{position:relative;z-index:1;font-size:18px}

.search-wrap{flex:1;max-width:520px;position:relative}
.search-wrap > i{position:absolute;left:16px;top:50%;transform:translateY(-50%);font-size:16px;color:var(--muted);pointer-events:none}
.search{
  width:100%;height:46px;padding:0 16px 0 44px;
  border-radius:14px;background:var(--surface-2);
  border:1px solid var(--border);color:var(--fg);
  font-family:inherit;font-size:14px;font-weight:500;outline:none;
  transition:all .2s var(--ease);
}
.search:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(0,255,163,.12)}
.search::placeholder{color:var(--muted)}
.kbd-hint{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:11px;color:var(--muted);background:var(--surface);border:1px solid var(--border);padding:2px 6px;border-radius:5px;font-family:'Space Grotesk',monospace}

.header-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.icon-btn{
  width:42px;height:42px;border-radius:12px;
  background:var(--surface-2);border:1px solid var(--border);
  color:var(--fg);cursor:pointer;display:grid;place-items:center;
  transition:all .2s var(--ease);
}
.icon-btn:hover{background:var(--surface);border-color:var(--border-strong);transform:translateY(-1px)}
.icon-btn i{font-size:16px}
.home-btn{text-decoration:none;color:var(--fg);flex-shrink:0}
.home-btn:hover{color:var(--accent)}

.search-wrap.mobile-search{display:none}

.hero{max-width:var(--max);margin:0 auto;padding:56px 28px 32px}
.hero h1{font-family:'Space Grotesk',sans-serif;font-size:clamp(36px,6vw,68px);font-weight:700;letter-spacing:-.03em;line-height:1.05;margin-bottom:16px}
.hero h1 .grad{background:linear-gradient(120deg,var(--accent),var(--accent-3) 50%,var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:17px;color:var(--fg-dim);max-width:620px;line-height:1.6}
.hero-stats{display:flex;gap:32px;margin-top:32px;flex-wrap:wrap}
.stat{display:flex;align-items:baseline;gap:8px}
.stat-num{font-family:'Space Grotesk',sans-serif;font-size:32px;font-weight:700;color:var(--fg);font-variant-numeric:tabular-nums}
.stat-label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:600}

.layout{max-width:var(--max);margin:0 auto;padding:0 max(28px, env(safe-area-inset-right)) max(80px, calc(40px + env(safe-area-inset-bottom))) max(28px, env(safe-area-inset-left));display:grid;grid-template-columns:240px 1fr;gap:36px;align-items:start}
.sidebar{position:sticky;top:calc(88px + env(safe-area-inset-top, 0px));display:flex;flex-direction:column;gap:6px;max-height:calc(100vh - 110px - env(safe-area-inset-top, 0px));overflow-y:auto;padding-right:4px}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}

.mobile-cats{display:none}

.cat-btn{
  display:flex;align-items:center;gap:12px;
  padding:10px 12px;border-radius:12px;
  background:transparent;border:1px solid transparent;
  color:var(--fg-dim);cursor:pointer;
  font-family:inherit;font-size:14px;font-weight:500;text-align:left;
  transition:all .18s var(--ease);position:relative;
}
.cat-btn:hover{background:var(--surface);color:var(--fg)}
.cat-btn.active{background:var(--surface-2);border-color:var(--border-strong);color:var(--fg)}
.cat-btn.active::before{content:'';position:absolute;left:-4px;top:50%;transform:translateY(-50%);width:3px;height:60%;border-radius:2px;background:var(--accent)}
.cat-icon{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;flex-shrink:0;background:var(--surface-2)}
.cat-icon i{font-size:13px}
.cat-count{margin-left:auto;font-size:11px;color:var(--muted);background:var(--surface-2);padding:2px 8px;border-radius:10px;font-variant-numeric:tabular-nums;font-weight:600}
.cat-btn.active .cat-count{background:var(--accent);color:#000}

.main{min-width:0}

.section-header{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.section-title{font-family:'Space Grotesk',sans-serif;font-size:20px;font-weight:600;letter-spacing:-.01em}
.section-line{flex:1;height:1px;background:linear-gradient(90deg,var(--border-strong),transparent)}
.section-count{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;background:var(--surface-2);padding:4px 10px;border-radius:8px;font-weight:600}
.section-header i{font-size:16px}

.favorites-section{margin-bottom:36px}

#random-btn, #favorites-section { display: none; }
.fav-star { color: var(--accent-2); }

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}

.card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;cursor:pointer;text-decoration:none;color:inherit;
  display:flex;flex-direction:column;gap:10px;
  transition:transform .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
  overflow:hidden;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  opacity:0;transform:translateY(20px);
  animation:cardIn .5s var(--ease) forwards;
}
@keyframes cardIn{to{opacity:1;transform:translateY(0)}}

.card::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.08),transparent 40%);
  opacity:0;transition:opacity .3s;pointer-events:none;
}
.card:hover::before{opacity:1}

.card:hover{
  transform:translateY(-4px);
  border-color:var(--border-strong);
  background:var(--surface-2);
  box-shadow:0 20px 40px -20px rgba(0,0,0,.4),0 0 0 1px var(--cat-color,transparent);
}

.card-icon{
  width:56px;height:56px;border-radius:16px;
  display:grid;place-items:center;
  position:relative;flex-shrink:0;
  background:var(--cat-color);
  box-shadow:0 10px 30px -10px var(--cat-color);
}
.card-icon i{font-size:22px;color:#000;position:relative;z-index:1}
.card-icon::after{content:'';position:absolute;inset:0;border-radius:16px;background:linear-gradient(135deg,rgba(255,255,255,.35),transparent 50%);pointer-events:none}

.card-head{display:flex;align-items:flex-start;gap:14px;justify-content:space-between}

.card-fav{
  width:32px;height:32px;border-radius:10px;
  background:var(--surface-2);border:1px solid var(--border);
  display:grid;place-items:center;cursor:pointer;
  color:var(--muted);flex-shrink:0;
  transition:all .2s var(--ease);
}
.card-fav:hover{color:var(--accent-2);border-color:var(--accent-2)}
.card-fav.active{background:var(--accent-2);border-color:var(--accent-2);color:#fff}
.card-fav i{font-size:14px}

.card-name{font-family:'Space Grotesk',sans-serif;font-size:20px;font-weight:600;letter-spacing:-.01em;line-height:1.2;margin-top:4px}
.card-desc{font-size:13.5px;color:var(--fg-dim);line-height:1.5;flex:1}
.card-url{
  font-size:11px;color:var(--muted);
  font-family:'Space Grotesk',monospace;letter-spacing:-.01em;
  display:flex;align-items:center;gap:6px;margin-top:4px;
  padding-top:10px;border-top:1px solid var(--border);
}
.card-url i{font-size:11px}

.empty{grid-column:1/-1;padding:80px 20px;text-align:center;color:var(--muted)}
.empty i{font-size:48px;margin-bottom:16px;opacity:.4}
.empty h3{font-family:'Space Grotesk',sans-serif;font-size:20px;color:var(--fg-dim);margin-bottom:8px}

.toast-wrap{position:fixed;bottom:28px;right:28px;z-index:1000;display:flex;flex-direction:column;gap:10px;pointer-events:none}
.toast{
  background:var(--surface-2);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  border:1px solid var(--border-strong);border-radius:14px;
  padding:12px 16px;display:flex;align-items:center;gap:12px;
  font-size:13.5px;font-weight:500;
  box-shadow:0 20px 50px -10px rgba(0,0,0,.5);
  animation:toastIn .4s var(--ease-bounce),toastOut .3s var(--ease) 2.7s forwards;
  pointer-events:auto;min-width:240px;
}
@keyframes toastIn{from{transform:translateX(120%);opacity:0}to{transform:translateX(0);opacity:1}}
@keyframes toastOut{to{transform:translateX(120%);opacity:0}}
.toast-icon{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;background:var(--accent);color:#000;flex-shrink:0}
.toast-icon i{font-size:14px}

footer{max-width:var(--max);margin:0 auto;padding:40px 28px;border-top:1px solid var(--border);text-align:center;color:var(--muted);font-size:13px}
footer strong{color:var(--fg-dim);font-weight:600}
footer kbd{background:var(--surface-2);border:1px solid var(--border);padding:2px 6px;border-radius:5px;font-family:'Space Grotesk',monospace;font-size:11px;color:var(--fg-dim)}

@media (max-width:980px){
  .home-btn{display:none!important}
  .layout{grid-template-columns:1fr;gap:20px;padding:0 16px 60px}
  .sidebar{position:static;max-height:none;display:none}
  .mobile-cats{display:flex;gap:8px;overflow-x:auto;padding:8px 0 12px;margin:0 -16px 8px;padding-left:16px;padding-right:16px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .mobile-cats::-webkit-scrollbar{display:none}
  .mobile-cats .cat-btn{flex-shrink:0;padding:8px 14px}
  .mobile-cats .cat-icon{display:none}
  .mobile-cats .cat-count{display:none}
  .hero{padding:32px 16px 24px}
  .header-inner{padding:12px 16px;gap:12px}
  .logo{font-size:18px}
  .logo-mark{width:36px;height:36px}
  .search-wrap{display:none}
  .search-wrap.mobile-search{display:block;max-width:none;margin:0 16px 12px}
  .search-wrap.mobile-search .search{height:44px}
  .grid{grid-template-columns:1fr;gap:12px}
  .hero-stats{gap:24px}
  .stat-num{font-size:26px}
  .toast-wrap{bottom:16px;right:16px;left:16px}
  .toast{font-size:12.5px;min-width:0}
  .kbd-hint{display:none}
}
@media (min-width:981px) and (max-width:1200px){.grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .aurora::before,.aurora::after,.aurora .blob3{animation:none}
}