/* Gambleton: glass display cabinet, charcoal-teal with cyan/magenta LED strips. */
:root {
  --bg: #0d1f23;
  --bg2: #102a2f;
  --panel: #15343a;
  --glass: rgba(38, 86, 95, .32);
  --glass-line: rgba(160, 230, 240, .18);
  --ink: #eaf3f2;
  --muted: #a8c2c4;
  --cyan: #4fe6ff;
  --magenta: #ff5cc8;
  --cream: #f4f1e8;
  --common: #b9c4c6;
  --uncommon: #5fd38a;
  --rare: #6cb2ff;
  --ultra: #ff6fd0;
  --r: var(--cyan);
  --radius: 14px;
  --display: "Chakra Petch", "Rajdhani", system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --holo: linear-gradient(115deg, rgba(79,230,255,0) 20%, rgba(79,230,255,.22) 35%, rgba(255,92,200,.22) 50%, rgba(255,230,120,.18) 62%, rgba(95,211,138,.2) 72%, rgba(79,230,255,0) 85%);
}
.r-common { --r: var(--common); }
.r-uncommon { --r: var(--uncommon); }
.r-rare { --r: var(--rare); }
.r-ultra { --r: var(--ultra); }
.r-tool { --r: var(--cyan); }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; color: var(--ink); font: 400 17px/1.65 var(--body);
  background-color: var(--bg);
  background-image:
    radial-gradient(900px 500px at 85% -10%, rgba(255,92,200,.10), transparent 60%),
    radial-gradient(800px 600px at -10% 10%, rgba(79,230,255,.10), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}
img, svg { max-width: 100%; }
a { color: var(--cyan); text-underline-offset: 3px; }
a:hover { color: var(--cream); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.15; letter-spacing: .01em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
.skip { position: absolute; left: 16px; top: -60px; background: var(--cyan); color: #04161a; padding: 8px 14px; border-radius: 8px; z-index: 10; }
.skip:focus { top: 12px; }

/* LED strip */
.led { height: 4px; background: linear-gradient(90deg, var(--cyan), var(--magenta) 50%, var(--cyan)); box-shadow: 0 0 14px rgba(79,230,255,.7), 0 0 28px rgba(255,92,200,.45); }

/* Glass panels: solid fallback first */
.glass, .top, .cabinet, .item .bubble { background: var(--panel); border: 1px solid var(--glass-line); }
@supports ((backdrop-filter: blur(4px)) or (-webkit-backdrop-filter: blur(4px))) {
  .glass, .top, .cabinet { background: var(--glass); -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%); }
}
.glass { border-radius: var(--radius); }
.pad { padding: 24px; }

/* Header */
.top { position: sticky; top: 0; z-index: 5; border-width: 0 0 1px; }
.top-in { max-width: 1200px; margin: 0 auto; padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); min-width: 0; }
.brand svg { flex: none; filter: drop-shadow(0 0 6px rgba(79,230,255,.45)); }
.brand b { display: block; font: 700 1.3rem/1.1 var(--display); text-transform: uppercase; letter-spacing: .08em; }
.brand i { display: block; font-style: normal; font-size: .8rem; color: var(--muted); }
.menu-btn { display: none; font: 600 .95rem var(--display); text-transform: uppercase; letter-spacing: .08em; color: var(--ink); background: transparent; border: 1px solid var(--glass-line); border-radius: 10px; padding: 8px 14px; cursor: pointer; align-items: center; gap: 8px; }
.menu-btn span { width: 16px; height: 2px; background: var(--cyan); box-shadow: 0 5px 0 var(--magenta), 0 -5px 0 var(--cyan); }

/* Nav: a rail of shelf labels */
.rail { max-width: 1200px; margin: 0 auto; padding: 0 16px 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.rail a { position: relative; display: flex; flex-direction: column; text-decoration: none; color: var(--ink); font: 600 .95rem/1.2 var(--display); padding: 8px 14px 8px 12px; border-radius: 6px 6px 2px 2px; background: rgba(255,255,255,.04); border-bottom: 2px solid var(--r); }
.rail a small { font: 500 .7rem/1.2 var(--body); color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }
.rail a:hover, .rail a[aria-current="page"] { background: rgba(255,255,255,.09); box-shadow: 0 6px 16px -6px var(--r); }
.rail a[aria-current="page"]::after { content: ""; position: absolute; left: 10%; right: 10%; bottom: -2px; height: 2px; background: var(--r); filter: blur(3px); }

.crumbs { max-width: 1200px; margin: 0 auto; padding: 14px 16px 0; font-size: .85rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs a { color: var(--muted); }

/* Layout */
main { display: block; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 24px 16px; }
.narrow { max-width: 820px; }
.kicker { font: 600 .8rem/1.3 var(--display); text-transform: uppercase; letter-spacing: .16em; color: var(--cyan); margin-bottom: .7em; }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 62ch; }
.sec-h { margin-bottom: 22px; }
.sec-h h2 { margin-bottom: .25em; }
.sec-h p:last-child { color: var(--muted); }
.gem { display: inline-flex; align-items: center; gap: 8px; color: var(--r); }
.gem::before { content: ""; width: 10px; height: 10px; transform: rotate(45deg); background: var(--r); box-shadow: 0 0 8px var(--r); flex: none; }
.key { display: inline-flex; align-items: center; gap: 6px; margin: 0 10px 4px 0; color: var(--ink); white-space: nowrap; }
.key::before { content: ""; width: 9px; height: 9px; transform: rotate(45deg); background: var(--r); }

.btn { display: inline-block; font: 700 1rem/1 var(--display); text-transform: uppercase; letter-spacing: .08em; text-decoration: none; color: #04161a; background: var(--cyan); border: 0; border-radius: 10px; padding: 14px 20px; cursor: pointer; box-shadow: 0 0 0 1px rgba(79,230,255,.5), 0 8px 24px -8px rgba(79,230,255,.8); }
.btn:hover { color: #04161a; background: var(--cream); }
.btn.ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--magenta); }
.btn.ghost:hover { background: rgba(255,92,200,.14); color: var(--ink); }

/* Hero */
.hero { max-width: 1200px; margin: 0 auto; padding: 48px 16px 24px; display: grid; grid-template-columns: 1.25fr 1fr; gap: 40px; align-items: center; }
.hero h1 .glow { color: var(--cyan); text-shadow: 0 0 22px rgba(79,230,255,.45); display: block; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 18px; }
.hero-note { font-size: .9rem; color: var(--muted); border-left: 3px solid var(--magenta); padding-left: 12px; }
.cabinet { border-radius: 18px; padding: 20px 18px 12px; position: relative; box-shadow: inset 0 0 0 6px rgba(13,31,35,.55), 0 30px 60px -30px rgba(0,0,0,.8); }
.cab-h { font: 600 .8rem var(--display); text-transform: uppercase; letter-spacing: .2em; color: var(--muted); margin: 0 0 8px; text-align: center; }
.shelf { position: relative; display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--ink); padding: 18px 12px 16px; border-bottom: 3px solid rgba(200,240,245,.35); }
.shelf::after { content: ""; position: absolute; left: 4px; right: 4px; bottom: -3px; height: 3px; background: var(--r); opacity: .9; box-shadow: 0 0 10px var(--r), 0 -10px 22px -8px var(--r); }
.shelf-no { font: 700 .85rem var(--display); color: #04161a; background: var(--r); border-radius: 5px; padding: 3px 7px; }
.shelf-name { flex: 1; font: 700 1.25rem/1.2 var(--display); }
.shelf-name small { display: block; font: 400 .85rem/1.4 var(--body); color: var(--muted); }
.shelf-arrow { color: var(--r); font-size: 1.3rem; transition: transform .2s; }
.shelf:hover .shelf-arrow { transform: translateX(4px); }
.shelf:hover { background: rgba(255,255,255,.04); }
.shelves-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.shelves-row .shelf { background: var(--panel); border-radius: 12px 12px 0 0; }

/* Items: blister packs on glass shelves */
.items { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 24px; padding-top: 14px; }
.items.three { grid-template-columns: repeat(3, 1fr); }
.item { position: relative; display: flex; flex-direction: column; background: linear-gradient(180deg, #1b3f46, #132f35); border-radius: 12px; border-top: 6px solid var(--r); padding: 16px 14px 0; box-shadow: 0 18px 30px -18px rgba(0,0,0,.9); isolation: isolate; }
.item .tab { position: absolute; top: -20px; left: 50%; width: 64px; height: 20px; margin-left: -32px; border-radius: 12px 12px 0 0; background: radial-gradient(circle at 50% 62%, var(--bg) 0 5px, transparent 6px), linear-gradient(180deg, #23515a, #1b3f46); border: 1px solid var(--glass-line); border-bottom: 0; }
.item::after { content: ""; position: absolute; left: -8px; right: -8px; bottom: -14px; height: 3px; border-radius: 2px; background: rgba(200,240,245,.4); box-shadow: 0 0 12px rgba(79,230,255,.6); }
.bubble { position: relative; flex: 1; border-radius: 22px 22px 10px 10px; padding: 18px 16px; overflow: hidden; background: linear-gradient(160deg, rgba(255,255,255,.10), rgba(255,255,255,.02) 40%, rgba(255,255,255,.06)); }
.bubble::before { content: ""; position: absolute; inset: 0; background: var(--holo); background-size: 250% 250%; background-position: 100% 0; opacity: 0; transition: opacity .3s; pointer-events: none; z-index: -1; }
.item:hover .bubble::before, .item:focus-within .bubble::before { opacity: 1; animation: holo 2.4s linear infinite; }
@keyframes holo { from { background-position: 100% 0; } to { background-position: 0 100%; } }
.item h2, .item h3 { font-size: 1.2rem; }
.item h2 a, .item h3 a { color: var(--ink); text-decoration: none; }
.item h2 a::after, .item h3 a::after { content: ""; position: absolute; inset: 0; border-radius: 12px; }
.item h2 a:hover, .item h3 a:hover { color: var(--cream); }
.item .bubble p:last-child { color: var(--muted); font-size: .95rem; margin: 0; }
.item-meta { display: flex; justify-content: space-between; gap: 8px; font: 600 .78rem var(--display); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.item-foot { display: flex; justify-content: space-between; font-size: .8rem; color: var(--muted); padding: 10px 2px 12px; margin: 0; }
.item-foot span:first-child { color: var(--r); }

/* Bands and splits */
.band { display: grid; grid-template-columns: 1.3fr 1fr; gap: 28px; align-items: center; padding: 28px; position: relative; border-left: 4px solid var(--magenta); }
.band h2 { margin-bottom: .3em; }
.mini-form label { display: block; font-weight: 600; margin-bottom: 6px; }
.mini-row { display: flex; gap: 10px; flex-wrap: wrap; }
.mini-row input { flex: 1 1 140px; min-width: 0; }
.hint { font-size: .85rem; color: var(--muted); margin: 8px 0 0; }
input[type=number], select { font: 500 1rem var(--body); color: var(--ink); background: #0b1b1f; border: 1px solid rgba(160,230,240,.35); border-radius: 10px; padding: 12px 14px; width: 100%; }
input[type=number]:focus, select:focus { border-color: var(--cyan); outline: none; box-shadow: 0 0 0 3px rgba(79,230,255,.25); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.terms dt { font: 700 1.05rem var(--display); color: var(--cream); margin-top: 12px; }
.terms dd { margin: 2px 0 0; color: var(--muted); }
.more { display: inline-block; margin-top: 16px; font: 600 .95rem var(--display); text-transform: uppercase; letter-spacing: .08em; }
details { border-bottom: 1px solid var(--glass-line); padding: 12px 0; }
details summary { cursor: pointer; font-weight: 600; list-style-position: outside; }
details p { margin: 8px 0 0; color: var(--muted); }
.faq details.glass { padding: 14px 18px; margin-bottom: 12px; border-bottom: 1px solid var(--glass-line); }
.more-links { margin-top: 18px; color: var(--muted); }
.elsewhere { border-top: 3px solid var(--cyan); }
.elsewhere p:last-child { margin: 0; max-width: 75ch; }

/* Page headers */
.page-h { max-width: 1200px; margin: 0 auto; padding: 36px 16px 8px; }
.page-h .kicker .gem { color: var(--r); }

/* Article */
.guide-h { max-width: 1200px; margin: 0 auto; padding: 32px 16px 8px; }
.guide-h h1 { max-width: 22ch; }
.byline { font-size: .85rem; color: var(--muted); border-top: 1px solid var(--glass-line); padding-top: 12px; max-width: 62ch; }
.guide-body { max-width: 1200px; margin: 0 auto; padding: 8px 16px 24px; display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 40px; align-items: start; }
.toc { position: sticky; top: 140px; padding: 18px; border-top: 3px solid var(--r); }
.toc p { font: 600 .8rem var(--display); text-transform: uppercase; letter-spacing: .14em; color: var(--muted); margin-bottom: 8px; }
.toc ol { margin: 0; padding-left: 20px; font-size: .92rem; }
.toc li { margin: 6px 0; }
.prose { max-width: 70ch; min-width: 0; }
.prose h2 { margin-top: 1.6em; padding-bottom: 8px; border-bottom: 2px solid transparent; border-image: linear-gradient(90deg, var(--r), transparent) 1; scroll-margin-top: 150px; }
.prose h3 { margin-top: 1.3em; color: var(--cream); }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin: 6px 0; }
.prose strong { color: var(--cream); }
.note { margin-top: 2em; font-size: .9rem; color: var(--muted); background: rgba(255,255,255,.04); border-left: 3px solid var(--magenta); padding: 12px 16px; border-radius: 0 8px 8px 0; }

/* Glossary */
.az { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.az a { font: 700 .95rem var(--display); text-decoration: none; padding: 6px 10px; border: 1px solid var(--glass-line); border-radius: 6px; }
.glossary { margin: 0; display: grid; gap: 12px; }
.glossary div { padding: 14px 18px; }
.glossary dt { font: 700 1.1rem var(--display); color: var(--cream); scroll-margin-top: 150px; }
.glossary dd { margin: 4px 0 0; color: var(--muted); }

/* Planner */
.planner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 24px; align-items: start; }
.plan-form .field { margin: 0 0 18px; border: 0; padding: 0; min-width: 0; }
.plan-form label, .plan-form legend { display: block; font-weight: 600; margin-bottom: 6px; padding: 0; }
.plan-form .radio { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin: 6px 0; }
.plan-form .radio input { margin-top: 6px; accent-color: var(--cyan); }
.plan-out { display: grid; gap: 18px; min-width: 0; }
.result { border-top: 3px solid var(--magenta); }
.alert { border-top: 3px solid #ffb35c; }
.tally { list-style: none; padding: 0; margin: 0 0 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tally li { background: #0b1b1f; border-radius: 10px; padding: 14px; border-bottom: 3px solid var(--r); }
.tally b { display: block; font: 700 2rem/1 var(--display); color: var(--r); }
.tally span { display: block; font-weight: 600; margin-top: 4px; }
.tally small { display: block; color: var(--muted); font-size: .8rem; }
.assumptions ul { padding-left: 20px; color: var(--muted); }
.assumptions li { margin: 6px 0; }

/* Footer: the plinth */
.plinth { margin-top: 48px; background: #08171a; border-top: 1px solid var(--glass-line); position: relative; }
.plinth::before { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 2px; background: linear-gradient(90deg, transparent, var(--magenta), var(--cyan), transparent); box-shadow: 0 0 16px rgba(255,92,200,.6); }
.plinth-grid { max-width: 1200px; margin: 0 auto; padding: 36px 16px 16px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.plinth p, .plinth li { color: var(--muted); font-size: .92rem; }
.plinth ul { list-style: none; margin: 0; padding: 0; }
.plinth li { margin: 6px 0; }
.plinth a { color: var(--ink); }
.plinth-brand { font: 700 1.3rem var(--display) !important; color: var(--ink) !important; text-transform: uppercase; letter-spacing: .08em; }
.plinth-h { font: 600 .8rem var(--display) !important; text-transform: uppercase; letter-spacing: .16em; color: var(--cyan) !important; }
.plinth-note { max-width: 1200px; margin: 0 auto; padding: 16px 16px 28px; border-top: 1px solid var(--glass-line); font-size: .82rem !important; }

/* Responsive */
@media (max-width: 1000px) {
  .items, .items.three { grid-template-columns: repeat(2, 1fr); }
  .hero { grid-template-columns: 1fr; padding-top: 32px; }
  .guide-body { grid-template-columns: 1fr; gap: 16px; }
  .toc { position: static; }
  .planner { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .menu-btn { display: inline-flex; }
  .rail { display: none; grid-template-columns: 1fr 1fr; }
  .rail.open { display: grid; }
  .band, .split, .shelves-row, .plinth-grid { grid-template-columns: 1fr; }
  .pad, .band { padding: 18px; }
  .top { position: static; }
}
@media (max-width: 560px) {
  .items, .items.three { grid-template-columns: 1fr; }
  .tally { grid-template-columns: 1fr; }
  .brand i { display: none; }
  .hero-cta .btn { width: 100%; text-align: center; }
}
/* No JS: keep the nav visible */
.no-js .rail { display: flex; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .item:hover .bubble::before { opacity: .7; }
}
@media (max-width: 420px) {
  .brand b { font-size: 1.05rem; letter-spacing: .05em; }
  .brand svg { width: 32px; height: 32px; }
  .menu-btn { padding: 8px 10px; flex: none; }
  .top-in { gap: 10px; }
}