/* ATOM-BAAZI — Styles */
:root {
  --bg-a:#0A1628;--bg-b:#0F1D35;--bg-c:#162848;
  --accent:#4AEADC;--accent-glow:rgba(74,234,220,0.4);
  --ink:#F0F2F8;--ink-2:#B4B8C8;--ink-3:#7A8090;--ink-4:#4A5060;
  --line:rgba(255,255,255,0.08);--line-2:rgba(255,255,255,0.16);
  --panel-bg:rgba(8,12,24,0.72);--piece-bg:rgba(16,20,36,0.88);
  --font-display:"Instrument Serif","Times New Roman",serif;
  --font-body:"Inter Tight",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,monospace;
  --ease:cubic-bezier(.22,1,.36,1);--ease-spring:cubic-bezier(.34,1.56,.64,1);
  --panel-w:340px;--ptable-h:340px;
}
body[data-theme="light"]{
  --bg-a:#FAFAF5;--bg-b:#F2F0E8;--bg-c:#E8E5D6;
  --ink:#1A1814;--ink-2:#3D3830;--ink-3:#6B6357;--ink-4:#A39A88;
  --line:rgba(0,0,0,0.08);--line-2:rgba(0,0,0,0.16);
  --panel-bg:rgba(250,250,245,0.82);--piece-bg:rgba(255,255,255,0.9);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden;overscroll-behavior:none}
body{font-family:var(--font-body);font-size:14px;line-height:1.5;color:var(--ink);background:var(--bg-a);-webkit-font-smoothing:antialiased;touch-action:manipulation;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none;transition:background 1s ease,color .4s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:var(--bg-a)}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:999;opacity:.03;mix-blend-mode:overlay;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>")}
.world{position:fixed;inset:0;z-index:-2;background:radial-gradient(ellipse at 20% 10%,var(--bg-c) 0%,transparent 55%),radial-gradient(ellipse at 85% 90%,var(--bg-b) 0%,transparent 60%),linear-gradient(135deg,var(--bg-a),var(--bg-b));transition:background 2s ease}
#worldCanvas{position:fixed;inset:0;z-index:-1;pointer-events:none}
/* Top brand */
.topbrand{position:fixed;top:22px;z-index:20;display:inline-flex;align-items:center;gap:12px;line-height:1;color:var(--ink);pointer-events:auto}
.topbrand--left{left:28px}
.topbrand--right{right:calc(var(--panel-w) + 28px);flex-direction:column;align-items:flex-end;gap:4px;pointer-events:none}
.topbrand__back{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--panel-bg);backdrop-filter:blur(10px);border:1px solid var(--line-2);color:var(--ink-2);transition:transform .2s,background .2s,color .2s}
.topbrand--left:hover .topbrand__back{transform:translateX(-3px);color:var(--ink);background:var(--piece-bg)}
.topbrand__logo{width:32px;height:32px;filter:drop-shadow(0 0 10px var(--accent-glow));transition:transform .4s var(--ease-spring)}
.topbrand--left:hover .topbrand__logo{transform:rotate(-12deg) scale(1.08)}
.topbrand__name{font-family:var(--font-display);font-size:28px;font-weight:400;letter-spacing:-.02em}
.topbrand__name em{font-style:italic;color:var(--accent)}
.topbrand__small{font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);font-weight:500}
.topbrand__big{font-family:var(--font-display);font-size:32px;font-weight:400;letter-spacing:-.025em}
.topbrand__big em{font-style:italic;color:var(--accent)}
/* Stage */
.stage{position:fixed;top:0;left:0;right:var(--panel-w);bottom:var(--ptable-h);overflow:hidden;z-index:1}
.stage__hint{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;pointer-events:none;font-family:var(--font-display);font-size:32px;font-style:italic;color:var(--ink-3);opacity:.5;letter-spacing:-.02em;max-width:80%;transition:opacity .6s}
.stage__hint.hide{opacity:0}
.stage__hint small{display:block;font-family:var(--font-mono);font-size:11px;font-style:normal;letter-spacing:.14em;text-transform:uppercase;margin-top:14px;color:var(--ink-3);opacity:.7}
/* Pieces on stage */
.piece{position:absolute;display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 12px 10px;background:var(--piece-bg);backdrop-filter:blur(8px);border:1px solid var(--line-2);border-radius:14px;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none;white-space:nowrap;transition:transform .28s var(--ease-spring),filter .2s,box-shadow .2s;z-index:2;animation:piecePop .36s var(--ease-spring);filter:drop-shadow(0 6px 12px rgba(0,0,0,.35))}
@keyframes piecePop{from{transform:scale(.4);opacity:0}to{transform:scale(1);opacity:1}}
.piece:hover{transform:translateY(-3px);filter:drop-shadow(0 10px 18px rgba(0,0,0,.5));box-shadow:0 0 14px var(--cat-glow,transparent)}
.piece.grabbing{cursor:grabbing;z-index:10;filter:drop-shadow(0 18px 24px rgba(0,0,0,.55));box-shadow:0 0 22px var(--cat-glow,var(--accent-glow));transition:none}
.piece.merging{animation:mergePulse .6s var(--ease-spring)!important}
@keyframes mergePulse{0%{transform:scale(1) translate(var(--tx,0),var(--ty,0))}50%{transform:scale(1.2) translate(var(--tx,0),var(--ty,0));filter:brightness(1.5)}100%{transform:scale(0) translate(var(--tx,0),var(--ty,0));opacity:0}}
.piece__symbol{font-family:var(--font-mono);font-size:22px;font-weight:700;color:var(--cat-color,var(--accent));line-height:1}
.piece__name{font-family:var(--font-body);font-size:11px;font-weight:600;color:var(--ink-2);text-align:center;max-width:100px;overflow:hidden;text-overflow:ellipsis}
.piece.is-target{box-shadow:0 0 16px var(--accent);border-color:var(--accent)}
.piece.is-target .piece__symbol{animation:targetPulse .6s ease-in-out infinite alternate}
@keyframes targetPulse{to{transform:scale(1.08);filter:drop-shadow(0 0 8px var(--accent))}}
/* Discoveries panel */
.panel{position:fixed;top:0;right:0;bottom:0;width:var(--panel-w);background:var(--panel-bg);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-left:1px solid var(--line);z-index:15;display:flex;flex-direction:column;padding:72px 14px 14px}
.panel__head{display:flex;align-items:baseline;gap:10px;padding:0 6px 14px}
.panel__title{font-family:var(--font-display);font-size:24px;font-weight:400;letter-spacing:-.02em}
.panel__count{font-family:var(--font-mono);font-size:12px;color:var(--ink-3);font-weight:500}
.panel__items{flex:1;overflow-y:auto;overflow-x:hidden;padding:8px 4px 12px;display:flex;flex-wrap:wrap;gap:6px;align-content:start;scrollbar-width:thin;scrollbar-color:var(--line-2) transparent}
.panel__items::-webkit-scrollbar{width:6px}
.panel__items::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:999px}
.disc-item{display:flex;align-items:center;gap:8px;padding:6px 10px;background:var(--piece-bg);border:1px solid var(--line);border-radius:10px;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none;transition:transform .2s var(--ease-spring),border-color .2s;width:100%;max-width:100%}
.disc-item:hover{transform:translateY(-2px);border-color:var(--line-2)}
.disc-item.new{animation:itemDrop .5s var(--ease-spring)}
@keyframes itemDrop{0%{transform:scale(0);opacity:0}60%{transform:scale(1.1)}100%{transform:scale(1)}}
.disc-item__sym{font-family:var(--font-mono);font-size:14px;font-weight:700;min-width:28px;text-align:center}
.disc-item__info{flex:1;min-width:0}
.disc-item__name{font-size:12px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.disc-item__formula{font-family:var(--font-mono);font-size:10px;color:var(--ink-3)}
.panel__bottom{display:flex;align-items:center;gap:6px;padding:10px 6px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:10px}
.panel-tab{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:8px;font-size:12px;font-weight:500;color:var(--ink-3);transition:color .2s,background .2s}
.panel-tab.is-active{color:var(--ink);background:var(--piece-bg)}
.panel-tab:hover{color:var(--ink)}
.panel-icon{margin-left:auto;width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;color:var(--ink-3);transition:color .2s,background .2s}
.panel-icon+.panel-icon{margin-left:0}
.panel-icon:hover{color:var(--ink);background:var(--piece-bg)}
.panel__search{position:relative;display:flex;align-items:center;gap:8px;padding:0 6px}
.panel__search svg{position:absolute;left:16px;color:var(--ink-3)}
.panel__search input{width:100%;padding:10px 14px 10px 32px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--ink);font:inherit;font-size:13px;outline:none;transition:border-color .2s}
body[data-theme="light"] .panel__search input{background:rgba(0,0,0,.03)}
.panel__search input::placeholder{color:var(--ink-3)}
.panel__search input:focus{border-color:var(--accent)}
/* Periodic Table Panel */
.ptable-panel{position:fixed;left:0;right:var(--panel-w);bottom:0;height:var(--ptable-h);z-index:12;background:var(--panel-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-top:1px solid var(--line);display:flex;flex-direction:column;transition:height .3s var(--ease)}
.ptable-panel.collapsed{height:44px}
.ptable-panel.collapsed .ptable-grid,.ptable-panel.collapsed .ptable-legend{display:none}
.ptable-panel.collapsed .ptable-toggle svg{transform:rotate(180deg)}
.ptable-header{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;flex-shrink:0}
.ptable-title{font-family:var(--font-display);font-size:18px;font-weight:400;letter-spacing:-.02em}
.ptable-controls{display:flex;align-items:center;gap:8px}
.ptable-search{padding:5px 10px;border-radius:8px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--ink);font:inherit;font-size:12px;outline:none;width:160px;transition:border-color .2s}
.ptable-search::placeholder{color:var(--ink-3)}
.ptable-search:focus{border-color:var(--accent)}
.ptable-toggle{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;color:var(--ink-3);transition:color .2s,background .2s}
.ptable-toggle:hover{color:var(--ink);background:var(--piece-bg)}
.ptable-toggle svg{transition:transform .3s var(--ease)}
.ptable-grid{flex:1;overflow:auto;padding:6px 16px 8px;display:grid;grid-template-columns:repeat(18,minmax(56px,1fr));grid-template-rows:repeat(10,auto);gap:3px;align-content:start;scrollbar-width:thin;scrollbar-color:var(--line-2) transparent}
.ptable-grid::-webkit-scrollbar{height:5px;width:5px}
.ptable-grid::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:999px}
.el-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:6px 4px 5px;border-radius:7px;border:1px solid rgba(255,255,255,.06);background:rgba(255,255,255,.04);cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none;transition:transform .18s var(--ease-spring),border-color .18s,background .18s,box-shadow .18s;min-width:0;position:relative}
.el-tile:hover{transform:scale(1.2);z-index:5;border-color:var(--el-color);box-shadow:0 0 14px var(--el-glow);background:rgba(255,255,255,.14)}
.el-tile:active{cursor:grabbing;transform:scale(1.06)}
.el-tile.filtered-out{opacity:.12;pointer-events:none}
.el-tile__sym{font-family:var(--font-mono);font-size:18px;font-weight:700;color:var(--el-color,var(--ink));line-height:1}
.el-tile__name{font-family:var(--font-body);font-size:9px;font-weight:500;color:var(--ink-2);line-height:1.15;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;letter-spacing:-.01em}
.ptable-legend{display:flex;flex-wrap:wrap;gap:8px;padding:4px 16px 6px;flex-shrink:0}
.legend-item{display:flex;align-items:center;gap:4px;font-family:var(--font-mono);font-size:9px;color:var(--ink-3);letter-spacing:.04em}
.legend-dot{width:8px;height:8px;border-radius:2px}
/* Floating Controls */
.fab-controls{position:fixed;left:20px;bottom:calc(var(--ptable-h) + 14px);z-index:14;display:flex;flex-direction:column;gap:6px;padding:6px;border-radius:14px;background:var(--panel-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--line-2);box-shadow:0 8px 24px -8px rgba(0,0,0,.4)}
.fab-btn{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;color:var(--ink-2);transition:color .2s,background .2s,transform .18s var(--ease-spring)}
.fab-btn:hover{color:var(--ink);background:rgba(255,255,255,.08);transform:scale(1.1)}
.fab-btn:active{transform:scale(.95)}
/* Drag ghost */
.drag-ghost{position:fixed;pointer-events:none;z-index:1000;display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 14px 10px;background:var(--piece-bg);backdrop-filter:blur(8px);border:1px solid var(--accent);border-radius:14px;transform:translate(-50%,-50%) scale(1.1);filter:drop-shadow(0 12px 22px rgba(0,0,0,.55)) drop-shadow(0 0 18px var(--accent-glow));transition:filter .2s}
.drag-ghost__sym{font-family:var(--font-mono);font-size:22px;font-weight:700;color:var(--accent);line-height:1}
.drag-ghost__name{font-family:var(--font-body);font-size:12px;font-weight:600;color:var(--ink)}
.drag-ghost.snap{filter:drop-shadow(0 12px 22px rgba(0,0,0,.55)) drop-shadow(0 0 22px rgba(255,180,79,.6));border-color:#FFB44F}
.drag-ghost.snap .drag-ghost__sym{color:#FFB44F}
/* Discovery reveal */
.reveal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:100;pointer-events:none;opacity:0;transition:opacity .24s}
.reveal.show{opacity:1;pointer-events:auto}
.reveal__veil{position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(0,0,0,.55) 0%,rgba(0,0,0,.85) 100%);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
body[data-theme="light"] .reveal__veil{background:radial-gradient(ellipse at center,rgba(255,255,250,.6) 0%,rgba(255,255,250,.9) 100%)}
.reveal__card{position:relative;text-align:center;padding:40px 50px 36px;border-radius:24px;background:var(--piece-bg);border:1px solid var(--line-2);box-shadow:0 40px 80px -20px rgba(0,0,0,.7);max-width:90vw;transform:scale(.85) translateY(20px);opacity:0;transition:transform .6s var(--ease-spring),opacity .4s}
.reveal.show .reveal__card{transform:scale(1) translateY(0);opacity:1}
.reveal__rarity{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px}
.reveal__icon{width:80px;height:80px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:48px;filter:drop-shadow(0 0 24px var(--rar-glow,var(--accent-glow)))}
.reveal__name{font-family:var(--font-display);font-size:48px;font-weight:400;letter-spacing:-.028em;line-height:1}
.reveal__name em{font-style:italic;color:var(--rar-color,var(--accent))}
.reveal__formula{margin-top:8px;font-family:var(--font-mono);font-size:16px;color:var(--accent);letter-spacing:.05em}
.reveal__desc{margin-top:16px;font-family:var(--font-display);font-style:italic;font-size:17px;color:var(--ink-2);max-width:28ch;margin-left:auto;margin-right:auto;line-height:1.4}
.reveal__hint{margin-top:20px;font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}
.reveal__burst{position:absolute;inset:0;pointer-events:none;overflow:visible}
.spark{position:absolute;top:50%;left:50%;width:6px;height:6px;border-radius:50%;background:var(--rar-color,var(--accent));box-shadow:0 0 10px var(--rar-glow,var(--accent-glow));animation:spark 1.1s var(--ease) forwards}
@keyframes spark{0%{transform:translate(0,0) scale(1);opacity:1}100%{transform:translate(var(--dx),var(--dy)) scale(.2);opacity:0}}
/* Toast */
.toast{position:fixed;top:80px;left:calc(50% - var(--panel-w)/2);transform:translateX(-50%) translateY(-20px);padding:9px 18px;border-radius:999px;background:var(--piece-bg);border:1px solid var(--line-2);font-size:13px;color:var(--ink-2);z-index:50;opacity:0;transition:opacity .24s,transform .24s var(--ease-spring);pointer-events:none;backdrop-filter:blur(14px)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.shaking{animation:shake .6s cubic-bezier(.36,.07,.19,.97) both}
@keyframes shake{10%,90%{transform:translate3d(-1px,0,0)}20%,80%{transform:translate3d(2px,0,0)}30%,50%,70%{transform:translate3d(-4px,0,0)}40%,60%{transform:translate3d(4px,0,0)}}
/* Settings sheet */
.sheet{position:fixed;top:0;left:0;bottom:0;width:380px;max-width:90vw;background:var(--panel-bg);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-right:1px solid var(--line-2);padding:24px;transform:translateX(-100%);transition:transform .36s var(--ease);z-index:200;overflow-y:auto;display:flex;flex-direction:column;gap:18px}
.sheet.open{transform:translateX(0)}
.sheet__head{display:flex;align-items:center;gap:12px}
.sheet__title{font-family:var(--font-display);font-size:28px;font-weight:400;letter-spacing:-.02em}
.sheet__close{margin-left:auto;width:32px;height:32px;border-radius:50%;background:var(--piece-bg);border:1px solid var(--line-2);display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2)}
.sheet__sub{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:var(--ink-3);margin-top:8px}
.sheet__row{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.sheet__row .label{flex:1;font-size:14px;color:var(--ink-2)}
.sheet__btn{padding:8px 14px;border-radius:10px;background:var(--piece-bg);border:1px solid var(--line-2);font-size:13px;font-weight:500;color:var(--ink);transition:background .2s}
.sheet__btn:hover{background:rgba(255,255,255,.08)}
.sheet__btn.danger{color:#FF8080;border-color:rgba(255,128,128,.3)}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:4px}
.stat-tile{padding:14px;border-radius:12px;background:var(--piece-bg);border:1px solid var(--line)}
.stat-tile .v{font-family:var(--font-display);font-size:28px;font-weight:400;letter-spacing:-.02em;line-height:1}
.stat-tile .k{display:block;margin-top:6px;font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-3)}
/* Mobile */
@media(max-width:880px){
  :root{--panel-w:100%;--ptable-h:260px}
  .ptable-grid{grid-template-columns:repeat(18,minmax(48px,1fr));gap:2px;padding:4px 10px 6px}
  .el-tile{padding:5px 3px 4px}
  .el-tile__sym{font-size:16px}
  .el-tile__name{font-size:8px}
  .topbrand--left{left:16px;top:14px;gap:8px}
  .topbrand__back{width:30px;height:30px}
  .topbrand__logo{width:26px;height:26px}
  .topbrand__name{font-size:22px}
  .topbrand--right{right:16px;top:16px;align-items:flex-end;gap:2px}
  .topbrand__small{display:none}
  .topbrand__big{font-size:20px}
  .stage{right:0;bottom:calc(50vh)}
  .panel{top:auto;left:0;width:100%;height:calc(50vh - var(--ptable-h));padding:14px;border-left:0;border-top:1px solid var(--line)}
  .ptable-panel{right:0;bottom:0}
  .fab-controls{left:auto;right:16px;bottom:calc(var(--ptable-h) + 10px);flex-direction:row;padding:5px}
  .fab-btn{width:32px;height:32px}
  .piece__symbol{font-size:18px}
  .piece__name{font-size:10px}
  .reveal__name{font-size:36px}
  .reveal__card{padding:28px 20px 24px}
  .toast{left:50%;top:70px}
}
@media(max-width:480px){
  .topbrand__big{font-size:17px}
  .topbrand__name{font-size:18px}
  .ptable-grid{grid-template-columns:repeat(18,minmax(42px,1fr))}
  .el-tile__sym{font-size:14px}
  .el-tile__name{font-size:7px}
  .el-tile{padding:4px 2px 3px;gap:1px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}