/* LitecoinRate.co.uk — base stylesheet
   Light/dark themes via CSS custom properties + [data-theme] on <html>. */

:root{
  --bg:#f6f7fb;
  --bg-elevated:#ffffff;
  --bg-subtle:#eef0f7;
  --text:#141726;
  --text-muted:#5b6178;
  --border:#e0e3ee;
  --accent:#1f6f8b;
  --accent-strong:#154f63;
  --accent-contrast:#ffffff;
  --up:#0e8f5b;
  --down:#d33f3f;
  --link:#1f6f8b;
  --shadow:0 1px 2px rgba(20,23,38,.06), 0 8px 24px rgba(20,23,38,.06);
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:18px;
  --header-bg:rgba(246,247,251,.85);
  --code-bg:#eef0f7;
  --warn-bg:#fff4e5;
  --warn-border:#f0b429;
  --warn-text:#6b4a00;
  --focus:#1f6f8b;
  --skeleton:#e4e7f0;
}

:root[data-theme="dark"]{
  --bg:#0e1016;
  --bg-elevated:#171a24;
  --bg-subtle:#1c202c;
  --text:#eef0f7;
  --text-muted:#a3a8bd;
  --border:#2a2e3d;
  --accent:#5fc1e8;
  --accent-strong:#8adcf7;
  --accent-contrast:#0e1016;
  --up:#3fd190;
  --down:#ff6b6b;
  --link:#5fc1e8;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
  --header-bg:rgba(14,16,22,.85);
  --code-bg:#1c202c;
  --warn-bg:#2b2308;
  --warn-border:#a97e12;
  --warn-text:#f3cf7a;
  --focus:#5fc1e8;
  --skeleton:#232734;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";
  line-height:1.6;
  font-size:17px;
  transition:background-color .2s ease,color .2s ease;
}
img{max-width:100%;display:block}
a{color:var(--link)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.container{max-width:980px;margin:0 auto;padding:0 20px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-contrast);padding:10px 16px;border-radius:0 0 8px 0;z-index:1000}
.skip-link:focus{left:0}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:var(--header-bg);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:800;font-size:1.15rem;letter-spacing:-.01em}
.brand-mark{width:32px;height:32px;border-radius:8px;flex:none}
.brand small{display:block;font-weight:500;color:var(--text-muted);font-size:.68rem;letter-spacing:.04em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{color:var(--text);text-decoration:none;padding:8px 12px;border-radius:8px;font-size:.95rem;font-weight:600}
.main-nav a:hover,.main-nav a:focus-visible{background:var(--bg-subtle)}
.main-nav a[aria-current="page"]{color:var(--accent)}
.header-actions{display:flex;align-items:center;gap:8px}
.nav-toggle{display:none}

.theme-toggle{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:var(--bg-elevated);color:var(--text);cursor:pointer;
}
.theme-toggle:hover{border-color:var(--accent)}
.theme-toggle svg{width:18px;height:18px}
.theme-toggle .icon-sun{display:none}
:root[data-theme="dark"] .theme-toggle .icon-moon{display:none}
:root[data-theme="dark"] .theme-toggle .icon-sun{display:block}

/* Mobile nav */
@media (max-width:760px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);cursor:pointer}
  .main-nav{position:fixed;inset:64px 0 0 0;background:var(--bg);flex-direction:column;align-items:stretch;padding:14px;gap:2px;transform:translateY(-8px);opacity:0;pointer-events:none;transition:all .18s ease;overflow-y:auto}
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .main-nav a{padding:14px 12px;border-bottom:1px solid var(--border);border-radius:0}
}

/* Hero / ticker */
.hero{padding:28px 0 8px}
.hero h1{font-size:clamp(1.9rem,4vw,2.6rem);margin:0 0 6px;letter-spacing:-.02em}
.hero .lede{color:var(--text-muted);font-size:1.05rem;max-width:62ch;margin:0 0 18px}
.hero .lede a{font-weight:600}

.buy-cta{
  display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:12px;
  background:var(--accent);color:var(--accent-contrast);text-decoration:none;font-weight:700;font-size:1.05rem;
  box-shadow:var(--shadow);margin:6px 0 4px;
}
.buy-cta:hover{background:var(--accent-strong)}

.fca-note{font-size:.82rem;color:var(--text-muted);max-width:60ch;margin:8px 0 22px}
.fca-note a{color:var(--text-muted);text-decoration:underline}

/* Ticker card */
.ticker-card{
  background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:22px 22px 18px;box-shadow:var(--shadow);margin:18px 0 26px;
}
.ticker-top{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px}
.ticker-price-wrap{display:flex;flex-direction:column;gap:4px}
.ticker-label{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-weight:700}
.ticker-price{font-size:clamp(2.1rem,6vw,3rem);font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.ticker-change{display:inline-flex;align-items:center;gap:6px;font-weight:700;padding:4px 10px;border-radius:999px;font-size:.92rem;width:fit-content}
.ticker-change.up{color:var(--up);background:color-mix(in srgb, var(--up) 14%, transparent)}
.ticker-change.down{color:var(--down);background:color-mix(in srgb, var(--down) 14%, transparent)}
.ticker-updated{font-size:.78rem;color:var(--text-muted)}
.ticker-countdown{font-size:.78rem;color:var(--text-muted);font-variant-numeric:tabular-nums}
.ticker-refresh{border:1px solid var(--border);background:var(--bg-subtle);color:var(--text);border-radius:8px;padding:8px 12px;font-size:.85rem;cursor:pointer;font-weight:600}
.ticker-refresh:hover{border-color:var(--accent)}

.ticker-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-top:18px}
.ticker-cell{background:var(--bg-subtle);border:1px solid var(--border);border-radius:var(--radius-md);padding:12px 14px}
.ticker-cell .k{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-weight:700;margin-bottom:4px}
.ticker-cell .v{font-size:1.05rem;font-weight:700;font-variant-numeric:tabular-nums}

.skeleton{background:linear-gradient(90deg,var(--skeleton) 25%,var(--bg-subtle) 37%,var(--skeleton) 63%);background-size:400% 100%;animation:shimmer 1.4s ease infinite;border-radius:6px;color:transparent!important}
@keyframes shimmer{0%{background-position:100% 0}100%{background-position:0 0}}
.ticker-error{display:none;background:var(--warn-bg);border:1px solid var(--warn-border);color:var(--warn-text);padding:10px 14px;border-radius:10px;font-size:.88rem;margin-top:14px}
.ticker-error.show{display:block}
.ticker-source{font-size:.72rem;color:var(--text-muted);margin-top:12px}

/* Mini ticker (used on convert pages) */
.mini-ticker{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
.mini-ticker .chip{background:var(--bg-subtle);border:1px solid var(--border);border-radius:999px;padding:8px 16px;font-weight:700;font-variant-numeric:tabular-nums}
.mini-ticker .chip .cur{color:var(--text-muted);font-weight:600;margin-right:6px}

/* Content */
main{padding-bottom:60px}
.content h2{font-size:1.4rem;margin:34px 0 10px;letter-spacing:-.01em}
.content h3{font-size:1.1rem;margin:22px 0 8px}
.content p{margin:0 0 14px}
.content ul,.content ol{margin:0 0 14px;padding-left:1.3em}
.content li{margin-bottom:6px}
.content .chart-embed{margin:18px 0;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border);background:var(--bg-elevated)}

.callout{background:var(--bg-subtle);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px 18px;margin:18px 0}
.callout.warn{background:var(--warn-bg);border-color:var(--warn-border);color:var(--warn-text)}
.callout.donate{border-color:var(--accent)}
.callout h3{margin-top:0}

.donate-address-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:12px 0}
.donate-address{background:var(--bg-elevated);border:1px solid var(--border);border-radius:8px;padding:8px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85rem;word-break:break-all}
.donate-wallet-link{font-size:.85rem;margin:0}
.donate-footer-note a{color:var(--text-muted);font-size:.82rem;text-decoration:underline}

table.compare{width:100%;border-collapse:collapse;margin:16px 0;font-size:.92rem}
table.compare th,table.compare td{border:1px solid var(--border);padding:9px 12px;text-align:left}
table.compare th{background:var(--bg-subtle)}

.faq details{border-bottom:1px solid var(--border);padding:14px 0}
.faq summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--accent);flex:none}
.faq details[open] summary::after{content:"−"}
.faq p{margin-top:10px;color:var(--text-muted)}

.pill-links{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.pill-links a{background:var(--bg-subtle);border:1px solid var(--border);border-radius:999px;padding:7px 14px;text-decoration:none;color:var(--text);font-size:.88rem;font-weight:600}
.pill-links a:hover{border-color:var(--accent)}

.breadcrumbs{font-size:.82rem;color:var(--text-muted);margin:16px 0 0}
.breadcrumbs a{color:var(--text-muted)}
.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px;padding:0;margin:0}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:6px;color:var(--border)}

/* Footer */
.site-footer{border-top:1px solid var(--border);background:var(--bg-elevated);margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px;padding:38px 0 20px}
.footer-grid h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin:0 0 10px}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid li{margin-bottom:8px}
.footer-grid a{color:var(--text);text-decoration:none;font-size:.92rem}
.footer-grid a:hover{text-decoration:underline}
.footer-about p{color:var(--text-muted);font-size:.9rem;max-width:46ch}
.footer-bottom{border-top:1px solid var(--border);padding:16px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;color:var(--text-muted);font-size:.82rem}
.footer-disclaimer{border-top:1px solid var(--border);padding:16px 0 30px;margin:0;color:var(--text-muted);font-size:.76rem;line-height:1.6}
.footer-disclaimer strong{color:var(--text)}
@media (max-width:700px){.footer-grid{grid-template-columns:1fr 1fr}}

/* Cookie consent banner */
.cookie-banner{
  position:fixed;left:0;right:0;bottom:0;z-index:100;background:var(--bg-elevated);
  border-top:1px solid var(--border);box-shadow:0 -8px 24px rgba(0,0,0,.12);
  padding:18px 0;transform:translateY(110%);transition:transform .25s ease;
}
.cookie-banner.show{transform:translateY(0)}
.cookie-inner{display:flex;flex-wrap:wrap;align-items:center;gap:16px;justify-content:space-between}
.cookie-text{flex:1 1 380px;font-size:.88rem;color:var(--text-muted)}
.cookie-text strong{color:var(--text)}
.cookie-actions{display:flex;flex-wrap:wrap;gap:8px}
.btn{border:1px solid var(--border);background:var(--bg-subtle);color:var(--text);padding:10px 16px;border-radius:9px;font-weight:700;font-size:.88rem;cursor:pointer}
.btn:hover{border-color:var(--accent)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast)}
.btn-primary:hover{background:var(--accent-strong)}

.cookie-modal-backdrop{position:fixed;inset:0;background:rgba(10,11,16,.55);z-index:110;display:none}
.cookie-modal-backdrop.show{display:block}
.cookie-modal{position:fixed;z-index:111;left:50%;top:50%;transform:translate(-50%,-50%);width:min(560px,92vw);max-height:86vh;overflow-y:auto;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);display:none}
.cookie-modal.show{display:block}
.cookie-modal h2{margin-top:0}
.cookie-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:14px 0;border-bottom:1px solid var(--border)}
.cookie-row:last-of-type{border-bottom:none}
.cookie-row h3{margin:0 0 4px;font-size:.98rem}
.cookie-row p{margin:0;color:var(--text-muted);font-size:.85rem}
.switch{position:relative;display:inline-block;width:44px;height:24px;flex:none}
.switch input{opacity:0;width:0;height:0}
.switch .slider{position:absolute;inset:0;background:var(--border);border-radius:999px;cursor:pointer;transition:.2s}
.switch .slider::before{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked + .slider{background:var(--accent)}
.switch input:checked + .slider::before{transform:translateX(20px)}
.switch input:disabled + .slider{opacity:.5;cursor:not-allowed}
.cookie-modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}
.cookie-prefs-link{background:none;border:none;color:var(--text-muted);text-decoration:underline;cursor:pointer;font-size:inherit;padding:0}

.ad-slot{margin:26px 0;text-align:center}
.ad-slot .ad-label{font-size:.68rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:6px}

@media (max-width:600px){
  .cookie-inner{flex-direction:column;align-items:stretch}
  .cookie-actions{justify-content:stretch}
  .cookie-actions .btn{flex:1}
}
