/* barrel.center — comparatore BESS static page styles */
:root{
  --background:220 25% 98%; --foreground:224 45% 12%;
  --card:0 0% 100%; --primary:223 68% 36%; --primary-foreground:0 0% 100%;
  --muted:220 16% 94%; --muted-foreground:222 12% 42%;
  --accent:220 20% 93%; --border:220 14% 87%; --ring:223 68% 36%;
  --radius:0.25rem;
}
.dark{
  --background:224 40% 7%; --foreground:220 25% 95%;
  --card:224 32% 10%; --primary:217 85% 64%; --primary-foreground:224 45% 8%;
  --muted:224 25% 14%; --muted-foreground:220 12% 62%;
  --accent:224 25% 16%; --border:224 20% 18%; --ring:217 85% 64%;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:hsl(var(--background)); color:hsl(var(--foreground));
  font-family:"Inter",ui-sans-serif,system-ui,sans-serif;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  line-height:1.6;
}
h1,h2,h3,h4,.font-display{font-family:"Archivo",ui-sans-serif,system-ui,sans-serif}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace}
a{color:inherit;text-decoration:none}
a:hover{color:hsl(var(--primary))}
:focus-visible{outline:2px solid hsl(var(--ring));outline-offset:2px}
.wrap{max-width:72rem;margin:0 auto;padding:0 1.25rem}
@media(min-width:768px){.wrap{padding:0 2rem}}

/* header */
.site-header{position:sticky;top:0;z-index:40;border-bottom:1px solid hsl(var(--border));background:hsl(var(--background)/.85);backdrop-filter:blur(10px)}
.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:5rem}
@media(min-width:768px){.site-header .inner{height:6rem}}
.brand{display:flex;align-items:center;gap:.75rem}
.brand img{height:3.5rem;width:3.5rem;object-fit:contain}
@media(min-width:640px){.brand img{height:4rem;width:4rem}}
.brand .name{font-family:"Archivo";font-weight:700;font-size:1.1rem;letter-spacing:-.02em}
.brand .name .dim{color:hsl(var(--muted-foreground))}
.header-tools{display:flex;align-items:center;gap:.75rem}
.lang{font-family:"JetBrains Mono";font-size:.7rem;letter-spacing:.18em;text-transform:uppercase}
.lang .on{color:hsl(var(--foreground));font-weight:600}
.lang .off{color:hsl(var(--muted-foreground))}
.theme-btn{border:1px solid hsl(var(--border));background:transparent;color:hsl(var(--muted-foreground));border-radius:var(--radius);width:2.25rem;height:2.25rem;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.theme-btn:hover{color:hsl(var(--foreground));border-color:hsl(var(--foreground)/.3)}
.back-link{font-size:.8rem;color:hsl(var(--muted-foreground));font-family:"JetBrains Mono";letter-spacing:.05em}
.back-link:hover{color:hsl(var(--primary))}

/* breadcrumb */
.crumbs{font-family:"JetBrains Mono";font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:hsl(var(--muted-foreground));margin:1.5rem 0 0}
.crumbs a:hover{color:hsl(var(--primary))}
.crumbs .sep{margin:0 .5rem;opacity:.5}

/* hero */
.hero{padding:2.5rem 0 1rem}
.updated{display:inline-block;font-family:"JetBrains Mono";font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:hsl(var(--muted-foreground));border:1px solid hsl(var(--border));padding:.3rem .7rem;border-radius:var(--radius);margin-bottom:1.25rem}
.hero h1{font-size:clamp(1.9rem,4.5vw,3rem);font-weight:800;letter-spacing:-.025em;line-height:1.08;margin:0 0 1.25rem}
.hero .lead{font-size:1.05rem;max-width:52rem;color:hsl(var(--foreground)/.85)}
.hero .lead strong{color:hsl(var(--foreground));font-weight:600}

/* section */
section{padding:3rem 0}
section h2{font-size:clamp(1.4rem,3vw,1.9rem);font-weight:700;letter-spacing:-.02em;margin:0 0 1.25rem;border-top:1px solid hsl(var(--border));padding-top:3rem}
section p{max-width:52rem}

/* controls */
.controls{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;margin-bottom:1.25rem}
.controls input[type=search],.controls select{font-family:inherit;font-size:.9rem;padding:.55rem .7rem;border:1px solid hsl(var(--border));border-radius:var(--radius);background:hsl(var(--card));color:hsl(var(--foreground))}
.controls input[type=search]{min-width:14rem;flex:1}
.controls label{font-family:"JetBrains Mono";font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:hsl(var(--muted-foreground))}
.count{font-family:"JetBrains Mono";font-size:.75rem;color:hsl(var(--muted-foreground));margin-bottom:.75rem}

/* table */
.table-scroll{overflow-x:auto;border:1px solid hsl(var(--border));border-radius:var(--radius);background:hsl(var(--card))}
table.cmp{width:100%;border-collapse:collapse;min-width:64rem}
table.cmp thead th{position:sticky;top:0;background:hsl(var(--card));z-index:2;text-align:left;font-family:"JetBrains Mono";font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:hsl(var(--muted-foreground));padding:.7rem .8rem;border-bottom:1px solid hsl(var(--border));white-space:nowrap}
table.cmp tbody td{padding:.7rem .8rem;border-bottom:1px solid hsl(var(--border));font-size:.85rem;vertical-align:top;white-space:nowrap}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp tbody tr:hover{background:hsl(var(--accent)/.5)}
table.cmp td.name h3{font-size:.9rem;font-weight:700;margin:0;letter-spacing:-.01em;line-height:1.25;white-space:normal;max-width:16rem}
table.cmp td.name .co{font-family:"JetBrains Mono";font-size:.68rem;letter-spacing:.05em;text-transform:uppercase;color:hsl(var(--primary));display:block;margin-bottom:.15rem}
table.cmp td.nd{color:hsl(var(--muted-foreground));font-style:italic}
table.cmp td.link a{font-family:"JetBrains Mono";font-size:.72rem;color:hsl(var(--primary));white-space:nowrap}
.eu{color:hsl(var(--primary));font-weight:600}
.cn{color:hsl(var(--muted-foreground))}

/* mobile cards */
@media(max-width:768px){
  .table-scroll{border:0;background:transparent;overflow:visible}
  table.cmp{min-width:0}
  table.cmp thead{display:none}
  table.cmp tbody tr{display:block;border:1px solid hsl(var(--border));border-radius:var(--radius);background:hsl(var(--card));margin-bottom:1rem;padding:.5rem 0}
  table.cmp tbody tr:hover{background:hsl(var(--card))}
  table.cmp tbody td{display:flex;justify-content:space-between;gap:1rem;border:0;border-bottom:1px solid hsl(var(--border));padding:.6rem .9rem;white-space:normal}
  table.cmp tbody td:last-child{border-bottom:0}
  table.cmp tbody td::before{content:attr(data-label);font-family:"JetBrains Mono";font-size:.68rem;letter-spacing:.05em;text-transform:uppercase;color:hsl(var(--muted-foreground));flex-shrink:0;max-width:40%}
  table.cmp td.name{flex-direction:column;align-items:flex-start}
  table.cmp td.name::before{display:none}
  table.cmp td.name h3{max-width:none;font-size:1rem}
  table.cmp td.name .co{font-size:.7rem}
  table.cmp td.nd::after{content:attr(data-value)}
}

/* out of range */
table.oor{width:100%;border-collapse:collapse;border:1px solid hsl(var(--border));border-radius:var(--radius);background:hsl(var(--card))}
table.oor th,table.oor td{padding:.6rem .7rem;border-bottom:1px solid hsl(var(--border));font-size:.85rem;text-align:left;vertical-align:top}
table.oor th{font-family:"JetBrains Mono";font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:hsl(var(--muted-foreground))}
table.oor tr:last-child td{border-bottom:0}
.oor-scroll{overflow-x:auto}

/* analysis (cn vs eu) */
.analysis{padding:3rem 0}
.analysis h2{font-size:clamp(1.4rem,3vw,1.9rem);font-weight:700;letter-spacing:-.02em;margin:0 0 1.25rem;border-top:1px solid hsl(var(--border));padding-top:3rem}
.analysis h3{font-size:1.1rem;font-weight:700;letter-spacing:-.01em;margin:2rem 0 .75rem;color:hsl(var(--foreground))}
.analysis h3:first-of-type{margin-top:1.5rem}
.analysis p{max-width:52rem;color:hsl(var(--foreground)/.85);margin:0 0 .9rem}
.analysis p strong{color:hsl(var(--foreground));font-weight:600}
.analysis ul{max-width:52rem;margin:0 0 1rem;padding-left:1.25rem}
.analysis li{margin-bottom:.5rem;color:hsl(var(--foreground)/.85)}
.analysis li strong{color:hsl(var(--foreground));font-weight:600}
.analysis .lead-p{font-size:1.05rem;color:hsl(var(--foreground)/.9)}
.analysis .sources{margin-top:2rem;border-top:1px solid hsl(var(--border));padding-top:1.25rem}
.analysis .sources h3{margin:0 0 .75rem;font-size:.85rem;font-family:"JetBrains Mono";letter-spacing:.08em;text-transform:uppercase;color:hsl(var(--muted-foreground))}
.analysis .sources ul{list-style:none;padding:0;margin:0;max-width:none}
.analysis .sources li{font-size:.82rem;margin-bottom:.4rem;font-family:"JetBrains Mono";color:hsl(var(--muted-foreground))}
.analysis .sources li a{color:hsl(var(--primary));text-decoration:underline;text-underline-offset:2px;word-break:break-all}
.analysis .sources li a:hover{opacity:.8}
.analysis .grid{display:grid;gap:1.25rem;grid-template-columns:1fr;margin:1.5rem 0}
@media(min-width:768px){.analysis .grid{grid-template-columns:1fr 1fr}}
.analysis .card{border:1px solid hsl(var(--border));border-radius:var(--radius);background:hsl(var(--card));padding:1.25rem}
.analysis .card h4{font-family:"JetBrains Mono";font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:hsl(var(--muted-foreground));margin:0 0 .5rem}
.analysis .card p{font-size:.9rem;margin:0;color:hsl(var(--foreground)/.85)}
.analysis .card.eu h4{color:hsl(var(--primary))}
.analysis .card.cn h4{color:hsl(var(--muted-foreground))}

/* faq */
.faq details{border-bottom:1px solid hsl(var(--border));padding:1rem 0}
.faq summary{font-weight:600;cursor:pointer;list-style:none;font-size:1rem;font-family:"Archivo"}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";display:inline-block;width:1.2rem;color:hsl(var(--primary));font-weight:700}
.faq details[open] summary::before{content:"–"}
.faq .a{margin-top:.6rem;color:hsl(var(--foreground)/.85);max-width:52rem}

/* cta */
.cta{background:hsl(var(--accent));border-radius:var(--radius);padding:2rem;margin:3rem 0;text-align:center}
.cta h2{border:0;padding:0;margin:0 0 .75rem}
.cta p{margin:0 auto 1.25rem;max-width:40rem}
.btn{display:inline-block;background:hsl(var(--primary));color:hsl(var(--primary-foreground));padding:.7rem 1.4rem;border-radius:var(--radius);font-weight:600;font-size:.9rem}
.btn:hover{color:hsl(var(--primary-foreground));opacity:.9}

/* footer */
.site-footer{border-top:1px solid hsl(var(--border));margin-top:3rem}
.site-footer .inner{padding:3rem 0 2rem;display:grid;gap:2rem;grid-template-columns:1fr}
@media(min-width:768px){.site-footer .inner{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.site-footer h4{font-family:"JetBrains Mono";font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:hsl(var(--muted-foreground));margin:0 0 .75rem}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.5rem;font-size:.85rem}
.site-footer li a{color:hsl(var(--foreground)/.8)}
.site-footer .legal{border-top:1px solid hsl(var(--border));padding:1.25rem 0;font-family:"JetBrains Mono";font-size:.72rem;color:hsl(var(--muted-foreground));display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
.site-footer address{font-style:normal;font-size:.85rem;line-height:1.5;color:hsl(var(--foreground)/.8)}
.site-footer .mark{height:2rem;width:2rem;object-fit:contain}
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:hsl(var(--primary));color:hsl(var(--primary-foreground));padding:.6rem 1rem;border-radius:var(--radius)}
.skip:focus{left:1rem;top:1rem}