/* Gully Sentry: GullyChain brand kit v3 (night, ink, cyan, blue, green, Exo 2), Direction A "Terminal". */
:root {
  --night: #05080d;
  --ink: #0a1018;
  --line: #16213a;
  --cyan: #00b2fa;
  --blue: #2563ff;
  --green: #46fb04;
  --white: #f2f5f7;
  --muted: #8a97a8;
  --amber: #ffb020;
  --red: #ff4d5e;
  --chain: linear-gradient(90deg, #00b2fa, #46fb04);
  --font: 'Exo 2', system-ui, sans-serif;
  --label: 'Barlow Condensed', 'Exo 2', system-ui, sans-serif;
  --mono: ui-monospace, 'Cascadia Code', Consolas, monospace;
  --r: 22px;
  --gutter: clamp(16px, 3vw, 40px);
  color-scheme: dark;
}
*,
*::before,
*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--night); color: var(--white); font: 400 16px/1.55 var(--font); overflow-x: hidden; min-width: 0; }
img, svg { max-width: 100%; }
a { color: var(--cyan); text-underline-offset: 3px; }
a:hover { color: var(--white); }
h1, h2, h3 { font-weight: 800; line-height: 1.15; margin: 0 0 .5rem; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 1.2rem + 2.6vw, 3.1rem); }
.h2, .prose h2 { font-size: 1.15rem; font-weight: 600; margin: 0; }
p { margin: 0 0 .75rem; }
table.sr-only { display: block; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.label { font: 600 .9rem/1.2 var(--label); letter-spacing: .12em; text-transform: uppercase; color: var(--cyan); margin-bottom: .6rem; }
.lead { color: #c4cdd8; font-size: 1.05rem; max-width: 62ch; }
.i { flex: none; vertical-align: middle; }
.i.ext { margin-left: 2px; opacity: .8; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; border-radius: 6px; }

/* ---------------------------------------------------------------- header (one line from 1024px) */
.top { position: sticky; top: 0; z-index: 20; background: rgba(5, 8, 13, .92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top-inner { max-width: 1440px; margin: 0 auto; padding: 10px var(--gutter); display: flex; align-items: center; gap: 16px; min-width: 0; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex: none; }
.brand-logo { height: 30px; width: auto; }
.brand-tag { font: 600 1rem var(--label); letter-spacing: .14em; text-transform: uppercase; color: var(--white); border-left: 1px solid var(--line); padding-left: 10px; }
.nav { display: flex; align-items: center; gap: 2px; margin-left: auto; min-width: 0; flex-wrap: nowrap; }
.nav-item, .nav a { display: inline-flex; align-items: center; gap: 7px; padding: 8px 10px; border-radius: 999px; color: var(--muted); text-decoration: none; font-weight: 600; font-size: .92rem; white-space: nowrap; }
.nav-item:hover { color: var(--white); background: var(--ink); }
.nav-item.active { color: var(--cyan); }
#connect { flex: none; }
.mode-strip { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 6px var(--gutter); background: linear-gradient(90deg, rgba(0, 178, 250, .12), rgba(70, 251, 4, .10)); color: var(--white); font-size: .85rem; text-align: center; }
.mode-strip[hidden] { display: none; }
@media (max-width: 1023px) {
  .top-inner { flex-wrap: wrap; row-gap: 6px; }
  .nav { order: 3; width: 100%; margin: 0; overflow-x: auto; scrollbar-width: none; justify-content: space-between; }
  .nav::-webkit-scrollbar { display: none; }
  #connect { margin-left: auto; }
}
@media (max-width: 560px) {
  .nav-item span, .nav a > span:not(.sr-only) { display: none; }
  .nav-item { padding: 9px; }
  .brand-logo { height: 24px; }
}

/* ---------------------------------------------------------------- layout */
.wrap { max-width: 1440px; margin: 0 auto; padding: clamp(18px, 3vw, 36px) var(--gutter) 48px; min-width: 0; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; margin-bottom: 24px; }
@media (min-width: 1100px) { .hero { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); align-items: end; } }
.page-head { margin-bottom: 20px; }
.grid2 { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; margin-bottom: 20px; }
@media (min-width: 1024px) { .grid2 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.stack { display: grid; gap: 20px; min-width: 0; }
.card { background: var(--ink); border: 1px solid var(--line); border-radius: var(--r); padding: clamp(16px, 2vw, 24px); min-width: 0; margin-bottom: 20px; }
.grid2 > .card, .stack > .card { margin-bottom: 0; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 14px; }
.notice { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border: 1px solid rgba(255, 176, 32, .4); background: rgba(255, 176, 32, .08); border-radius: 14px; color: #ffd28a; max-width: 80ch; }
.prose { max-width: 90ch; }
.prose h2 { margin-top: 1.1rem; margin-bottom: .35rem; }
.prose li { margin-bottom: .5rem; }

/* ---------------------------------------------------------------- tiles */
.tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
@media (min-width: 720px) { .tiles { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.tiles-wide { margin-bottom: 20px; }
.tile { background: var(--ink); border: 1px solid var(--line); border-radius: 18px; padding: 14px; min-width: 0; position: relative; overflow: hidden; }
.tile-k { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: .82rem; margin: 0 0 4px; }
.tile-v { font-size: clamp(1.4rem, 1rem + 1.2vw, 1.9rem); font-weight: 800; margin: 0; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.tile-v.status { display: flex; align-items: center; gap: 8px; font-size: 1.2rem; min-height: 2.2rem; }
.tile-s { margin: 2px 0 0; }
.spark { display: block; width: 100%; height: 28px; margin-top: 6px; overflow: visible; }
.st-ok { color: var(--green); }
.st-warn { color: var(--amber); }
.st-bad { color: var(--red); }
.st-unk { color: var(--muted); }

/* ---------------------------------------------------------------- buttons: signature pills */
.btn { --bg: transparent; --fg: var(--white); position: relative; overflow: hidden; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 20px; border-radius: 999px; border: 1px solid transparent; background: var(--bg); color: var(--fg); font: 600 .95rem var(--font); text-decoration: none; cursor: pointer; transition: transform .12s ease, background-color .2s, border-color .2s, opacity .2s; white-space: nowrap; }
.btn .i:last-child:not(:first-child) { transition: transform .2s ease; }
.btn:hover .i:last-child:not(:first-child) { transform: translateX(3px); }
.btn::after { content: ''; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .35) 50%, transparent 70%); transform: translateX(-120%); transition: transform .6s ease; pointer-events: none; }
.btn:hover::after { transform: translateX(120%); }
.btn:active { transform: scale(.98); }
.btn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn[disabled]::after { display: none; }
.btn-primary { --bg: var(--cyan); --fg: #000; }
.btn-primary:hover { --bg: #36c5ff; color: #000; }
.btn-secondary { --bg: var(--blue); --fg: #fff; }
.btn-secondary:hover { --bg: #3d76ff; color: #fff; }
.btn-ghost { border-color: var(--line); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--white); }
.btn-sm { min-height: 38px; padding: 7px 14px; font-size: .9rem; }
.btn-icon { min-width: 44px; padding: 0; font-size: 1.2rem; }
.btn.busy .i:first-child { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------------------------------------------------------- stepper */
.stepper { list-style: none; display: flex; gap: 6px; padding: 0; margin: 14px 0 18px; counter-reset: s; overflow-x: auto; scrollbar-width: none; }
.stepper::-webkit-scrollbar { display: none; }
.stepper li { flex: 1 1 0; min-width: 0; display: flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 8px; border-radius: 999px; background: var(--night); border: 1px solid var(--line); color: var(--muted); font-size: .84rem; font-weight: 600; white-space: nowrap; position: relative; }
.stepper li.done { color: var(--green); border-color: rgba(70, 251, 4, .35); }
.stepper li.current { color: #000; background: var(--cyan); border-color: var(--cyan); }
@media (max-width: 720px) { .stepper li { flex: 0 0 44px; } .stepper li span { display: none; } .stepper li.current { flex: 1 0 auto; padding: 9px 14px; } .stepper li.current span { display: inline; } }
.panel[hidden] { display: none; }
.panel { animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.checks li { display: flex; gap: 8px; align-items: flex-start; }

.tier-pick { display: grid; gap: 8px; }
.tier { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 12px 14px; border: 1px solid var(--line); border-radius: 16px; background: var(--night); }
.tier.current { border-color: var(--cyan); }
.tier.soldout { opacity: .5; }
.tier-name { font-weight: 600; }
.tier-price { font-variant-numeric: tabular-nums; text-align: right; }
.qty { display: flex; align-items: center; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.qty input, .form input, .row input { min-height: 44px; border-radius: 12px; border: 1px solid var(--line); background: var(--night); color: var(--white); font: 600 1rem var(--font); padding: 8px 12px; min-width: 0; }
.qty input { width: 80px; text-align: center; }
.form { display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px; max-width: 520px; }
.form label { color: var(--muted); font-size: .85rem; margin-top: 6px; }
.row input { flex: 1 1 180px; max-width: 260px; }
.pay-options { display: grid; gap: 10px; margin-top: 12px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.pay-options .btn { width: 100%; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: #c4cdd8; margin-top: 8px; }
.consent input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--cyan); flex: none; }

.tabs { display: flex; gap: 6px; margin-bottom: 10px; }
.tabs button { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: transparent; color: var(--muted); border-radius: 999px; padding: 7px 14px; font: 600 .9rem var(--font); cursor: pointer; }
.tabs button[aria-selected='true'] { color: #000; background: var(--cyan); border-color: var(--cyan); }
.code { background: var(--night); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; overflow-x: auto; font: .85rem/1.5 var(--mono); color: #cfe9ff; white-space: pre; max-width: 100%; }

/* ---------------------------------------------------------------- charts */
.chart { position: relative; width: 100%; height: 220px; min-width: 0; }
.chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.chart .grid line { stroke: var(--line); stroke-width: 1; }
.chart .axis text { fill: var(--muted); font: 11px var(--font); }
.chart .empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); font-size: .9rem; text-align: center; padding: 16px; }
.chart .tip { position: absolute; pointer-events: none; background: var(--night); border: 1px solid var(--line); border-radius: 10px; padding: 6px 10px; font-size: .82rem; white-space: nowrap; transform: translate(-50%, -110%); opacity: 0; transition: opacity .12s; z-index: 2; }
.chart .tip.on { opacity: 1; }
.chart .tip b { font-variant-numeric: tabular-nums; }
.bar-label { fill: var(--white); font: 600 12px var(--font); }
.bar-sub { fill: var(--muted); font: 11px var(--font); }
.live { display: inline-flex; align-items: center; gap: 5px; color: var(--green); font: 600 .78rem var(--label); letter-spacing: .12em; text-transform: uppercase; }
.live .i { animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; } }

/* ---------------------------------------------------------------- disclosure */
.disclosure summary { display: flex; align-items: center; gap: 8px; cursor: pointer; font-weight: 600; list-style: none; }
.disclosure summary::-webkit-details-marker { display: none; }
.disclosure ul { margin: 12px 0; padding-left: 1.2rem; color: #c4cdd8; }

/* ---------------------------------------------------------------- toasts */
.toasts { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 10px; z-index: 50; width: min(380px, calc(100vw - 32px)); }
.toast { position: relative; overflow: hidden; display: flex; gap: 10px; align-items: flex-start; background: var(--night); border: 1px solid var(--line); border-radius: 22px; padding: 14px 16px; box-shadow: 0 12px 30px rgba(0, 0, 0, .45); animation: toast-in .25s ease; }
.toast .i { color: var(--cyan); margin-top: 2px; }
.toast.err .i { color: var(--red); }
.toast.ok .i { color: var(--green); }
.toast p { margin: 0; font-size: .9rem; overflow-wrap: anywhere; }
.toast::after { content: ''; position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--cyan); transform-origin: left; animation: toast-bar var(--t, 5s) linear forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes toast-bar { to { transform: scaleX(0); } }

/* ---------------------------------------------------------------- footer */
.foot { border-top: 1px solid var(--line); margin-top: 24px; }
.foot-inner { max-width: 1440px; margin: 0 auto; padding: 28px var(--gutter) 22px; }
.foot-cols { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
@media (min-width: 800px) { .foot-cols { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr); } }
.foot nav { display: grid; gap: 8px; align-content: start; }
.foot nav a { display: inline-flex; align-items: center; gap: 8px; color: #c4cdd8; text-decoration: none; }
.foot nav a:hover { color: var(--cyan); }
.foot-bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--line); }
.powered { display: inline-flex; line-height: 0; }
.powered img { height: 30px; width: auto; }
@media (max-width: 600px) { .powered img { height: 26px; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
@media (forced-colors: active) {
  .btn { border: 1px solid ButtonText; }
}
.chart rect.fill { transition: width 800ms ease; }