/* highrtphub.com — shared styles
   Dark theme, teal (#06b6d4) + amber (#f59e0b), data-table heavy.
   Font pairing: Space Grotesk (display) + Inter (body). */

:root {
  --bg: #0a0e14;
  --bg-2: #0f141d;
  --bg-3: #141b27;
  --panel: #121925;
  --panel-2: #18212f;
  --border: #243044;
  --border-2: #2f3d54;
  --teal: #06b6d4;
  --teal-dim: #0891b2;
  --teal-soft: rgba(6, 182, 212, 0.12);
  --amber: #f59e0b;
  --amber-dim: #d97706;
  --amber-soft: rgba(245, 158, 11, 0.12);
  --text: #e6edf6;
  --text-2: #9fb0c5;
  --text-3: #6b7c93;
  --good: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --radius: 12px;
  --radius-sm: 8px;
  --maxw: 1140px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(6, 182, 212, 0.08), transparent 60%),
    radial-gradient(900px 500px at -5% 0%, rgba(245, 158, 11, 0.06), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--teal); text-decoration: none; }
a:hover { color: #22d3ee; text-decoration: underline; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.2; color: #fff; letter-spacing: -0.01em; }
h1 { font-size: 2.4rem; margin: 0 0 0.6rem; }
h2 { font-size: 1.7rem; margin: 2.4rem 0 1rem; }
h3 { font-size: 1.25rem; margin: 1.8rem 0 0.6rem; }
h4 { font-size: 1.05rem; margin: 1.4rem 0 0.4rem; }

p { margin: 0 0 1rem; }
ul, ol { margin: 0 0 1rem; padding-left: 1.3rem; }
li { margin: 0.3rem 0; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }
.narrow { max-width: 820px; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 14, 20, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; gap: 1.25rem;
  height: 64px;
}
.brand {
  display: flex; align-items: center; gap: 0.55rem;
  font-family: var(--font-display); font-weight: 700; font-size: 1.18rem;
  color: #fff; letter-spacing: -0.02em; white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand .logo { width: 30px; height: 30px; }
.brand b { color: var(--teal); }
.nav-links { display: flex; gap: 0.35rem; margin-left: auto; flex-wrap: wrap; }
.nav-links a {
  color: var(--text-2); font-size: 0.92rem; font-weight: 500;
  padding: 0.4rem 0.7rem; border-radius: var(--radius-sm);
}
.nav-links a:hover { color: #fff; background: var(--panel-2); text-decoration: none; }
.nav-toggle { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
  padding: 0.7rem 1.2rem; border-radius: var(--radius-sm);
  border: 1px solid var(--border-2); color: var(--text); background: var(--panel-2);
  cursor: pointer; transition: transform 0.08s ease, background 0.15s ease, border 0.15s ease;
}
.btn:hover { text-decoration: none; border-color: var(--teal); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(180deg, var(--teal), var(--teal-dim));
  border-color: transparent; color: #04222a;
}
.btn-primary:hover { color: #04222a; filter: brightness(1.07); }
.btn-amber {
  background: linear-gradient(180deg, var(--amber), var(--amber-dim));
  border-color: transparent; color: #2a1a00;
}
.btn-amber:hover { color: #2a1a00; filter: brightness(1.07); }

/* ---------- Hero ---------- */
.hero { padding: 3.4rem 0 1.5rem; }
.hero .eyebrow {
  display: inline-block; font-family: var(--font-display); font-weight: 600;
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--amber); background: var(--amber-soft);
  padding: 0.32rem 0.7rem; border-radius: 999px; margin-bottom: 1rem;
}
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.3rem); }
.hero p.lead { font-size: 1.18rem; color: var(--text-2); max-width: 720px; }
.hero-cta { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-top: 1.5rem; }
.hero-stats { display: flex; gap: 2rem; flex-wrap: wrap; margin-top: 2.2rem; }
.hero-stats .stat .n { font-family: var(--font-display); font-weight: 700; font-size: 1.9rem; color: var(--teal); }
.hero-stats .stat .l { color: var(--text-3); font-size: 0.85rem; }

/* ---------- Cards / panels ---------- */
.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.4rem;
}
.grid { display: grid; gap: 1.1rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* operator ranking cards */
.op-card {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.3rem; display: flex; flex-direction: column; position: relative;
}
.op-card .rank {
  position: absolute; top: -12px; left: -12px;
  width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(180deg, var(--amber), var(--amber-dim));
  color: #2a1a00; font-family: var(--font-display); font-weight: 700;
  display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
  box-shadow: var(--shadow);
}
.op-card h3 { margin: 0.2rem 0 0.1rem; }
.op-card .lic { color: var(--text-3); font-size: 0.82rem; margin-bottom: 0.7rem; }
.op-card .rating { color: var(--amber); font-weight: 700; font-family: var(--font-display); }
.op-card ul { font-size: 0.92rem; color: var(--text-2); }
.op-card .spacer { flex: 1; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table.data {
  width: 100%; border-collapse: collapse; font-size: 0.94rem; min-width: 640px;
}
table.data th, table.data td {
  text-align: left; padding: 0.72rem 0.85rem; border-bottom: 1px solid var(--border);
  vertical-align: top;
}
table.data thead th {
  background: var(--bg-3); color: var(--text-2); font-family: var(--font-display);
  font-weight: 600; font-size: 0.82rem; letter-spacing: 0.03em; text-transform: uppercase;
  position: sticky; top: 0;
}
table.data tbody tr:hover { background: rgba(6, 182, 212, 0.05); }
table.data tbody tr:last-child td { border-bottom: none; }
table.data td.num { font-variant-numeric: tabular-nums; font-weight: 600; }

.rtp-cell { font-family: var(--font-display); font-weight: 700; color: var(--teal); }

/* badges */
.badge {
  display: inline-block; font-size: 0.74rem; font-weight: 600;
  padding: 0.18rem 0.55rem; border-radius: 999px; line-height: 1.5;
  border: 1px solid transparent; white-space: nowrap;
}
.badge.teal { color: #7df0ff; background: var(--teal-soft); border-color: rgba(6,182,212,0.35); }
.badge.amber { color: #ffd479; background: var(--amber-soft); border-color: rgba(245,158,11,0.35); }
.badge.fixed { color: var(--good); background: rgba(52,211,153,0.12); border-color: rgba(52,211,153,0.35); }
.badge.config { color: var(--warn); background: rgba(251,191,36,0.12); border-color: rgba(251,191,36,0.35); }
.badge.vol-low { color: #7df0ff; background: rgba(6,182,212,0.10); }
.badge.vol-med { color: #ffd479; background: rgba(245,158,11,0.10); }
.badge.vol-high { color: #fda4a4; background: rgba(248,113,113,0.10); }

/* ---------- Pros / cons ---------- */
.proscons { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.proscons .col { border-radius: var(--radius); padding: 1.1rem 1.2rem; border: 1px solid var(--border); }
.proscons .pros { background: rgba(52,211,153,0.06); border-color: rgba(52,211,153,0.25); }
.proscons .cons { background: rgba(248,113,113,0.06); border-color: rgba(248,113,113,0.25); }
.proscons h4 { margin-top: 0; }
.proscons ul { list-style: none; padding-left: 0; }
.proscons li { padding-left: 1.5rem; position: relative; }
.proscons .pros li::before { content: "✓"; position: absolute; left: 0; color: var(--good); font-weight: 700; }
.proscons .cons li::before { content: "✕"; position: absolute; left: 0; color: var(--bad); font-weight: 700; }

/* ---------- Rating block ---------- */
.score-box {
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.2rem 1.4rem; margin: 1.5rem 0;
}
.score-box .big {
  font-family: var(--font-display); font-weight: 700; font-size: 2.6rem;
  color: var(--amber); line-height: 1;
}
.score-box .big span { font-size: 1.1rem; color: var(--text-3); }

/* fact strip */
.fact-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin: 1.4rem 0; }
.fact-strip .f { background: var(--panel); padding: 0.95rem 1rem; }
.fact-strip .f .k { color: var(--text-3); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.05em; }
.fact-strip .f .v { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; color: var(--text); margin-top: 0.15rem; }

/* callouts */
.callout { border-left: 3px solid var(--teal); background: var(--teal-soft); padding: 0.9rem 1.1rem; border-radius: var(--radius-sm); margin: 1.2rem 0; }
.callout.warn { border-left-color: var(--amber); background: var(--amber-soft); }
.callout.danger { border-left-color: var(--bad); background: rgba(248,113,113,0.08); }
.callout strong { color: #fff; }

/* breadcrumb */
.crumbs { font-size: 0.85rem; color: var(--text-3); padding: 1.1rem 0 0; }
.crumbs a { color: var(--text-2); }
.crumbs span { margin: 0 0.45rem; color: var(--text-3); }

/* TOC */
.toc { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.2rem; margin: 1.4rem 0; font-size: 0.92rem; }
.toc strong { font-family: var(--font-display); display: block; margin-bottom: 0.4rem; color: var(--text-2); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }
.toc ol { columns: 2; column-gap: 2rem; }

/* FAQ */
.faq details {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  margin-bottom: 0.7rem; background: var(--panel); overflow: hidden;
}
.faq summary {
  cursor: pointer; padding: 0.95rem 1.1rem; font-weight: 600;
  font-family: var(--font-display); color: var(--text); list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--teal); font-size: 1.3rem; font-weight: 700; }
.faq details[open] summary::after { content: "−"; }
.faq details[open] summary { border-bottom: 1px solid var(--border); }
.faq .ans { padding: 0.9rem 1.1rem 1.1rem; color: var(--text-2); }

/* section label */
.section-label { font-family: var(--font-display); color: var(--teal); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; }

/* author byline */
.byline { display: flex; align-items: center; gap: 0.75rem; color: var(--text-2); font-size: 0.9rem; margin: 1rem 0 0; }
.byline .ava { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--teal), var(--amber)); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 700; color: #04222a; }
.byline b { color: var(--text); }

/* related links */
.related { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 0.9rem; margin: 1.2rem 0; }
.related a { display: block; padding: 0.9rem 1.1rem; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); }
.related a:hover { border-color: var(--teal); text-decoration: none; background: var(--panel-2); }
.related a .t { font-family: var(--font-display); font-weight: 600; display: block; }
.related a .d { color: var(--text-3); font-size: 0.85rem; }

/* ---------- Tool ---------- */
.tool { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.3rem; margin: 1.5rem 0; }
.tool .controls { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0.9rem; margin-bottom: 1rem; }
.tool .field label { display: block; font-size: 0.78rem; color: var(--text-3); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.3rem; font-weight: 600; }
.tool select, .tool input[type="text"], .tool input[type="search"] {
  width: 100%; background: var(--bg-3); border: 1px solid var(--border-2); color: var(--text);
  padding: 0.55rem 0.7rem; border-radius: var(--radius-sm); font-family: var(--font-body); font-size: 0.92rem;
}
.tool select:focus, .tool input:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px var(--teal-soft); }
.tool input[type="range"] { width: 100%; accent-color: var(--teal); }
.tool .range-val { font-family: var(--font-display); font-weight: 700; color: var(--teal); font-size: 0.95rem; }
.presets { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.preset-btn {
  font-size: 0.82rem; font-weight: 600; padding: 0.4rem 0.8rem; border-radius: 999px;
  border: 1px solid var(--border-2); background: var(--bg-3); color: var(--text-2); cursor: pointer;
  font-family: var(--font-display);
}
.preset-btn:hover { border-color: var(--teal); color: #fff; }
.preset-btn.active { background: var(--teal-soft); border-color: var(--teal); color: #7df0ff; }
.tool .meta-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.7rem; color: var(--text-3); font-size: 0.85rem; }
.tool .meta-row b { color: var(--teal); }
.tool .compare-bar { display: none; align-items: center; gap: 0.7rem; flex-wrap: wrap; background: var(--bg-3); border: 1px dashed var(--border-2); border-radius: var(--radius-sm); padding: 0.7rem 0.9rem; margin-bottom: 0.9rem; }
.tool .compare-bar.show { display: flex; }
.cmp-pick { cursor: pointer; }
.no-results { text-align: center; color: var(--text-3); padding: 2rem; }

table.data td .slot-name { font-family: var(--font-display); font-weight: 600; color: var(--text); }
table.data td .slot-prov { color: var(--text-3); font-size: 0.8rem; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 4rem; padding: 2.5rem 0 1.5rem; background: var(--bg-2); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 1.5rem; }
.footer-grid h5 { font-family: var(--font-display); color: var(--text); font-size: 0.95rem; margin: 0 0 0.7rem; }
.footer-grid a { display: block; color: var(--text-3); font-size: 0.9rem; padding: 0.2rem 0; }
.footer-grid a:hover { color: var(--teal); }
.footer-bottom { border-top: 1px solid var(--border); margin-top: 2rem; padding-top: 1.4rem; color: var(--text-3); font-size: 0.82rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.rg-bar { background: rgba(248,113,113,0.07); border: 1px solid rgba(248,113,113,0.22); border-radius: var(--radius-sm); padding: 0.8rem 1rem; margin-bottom: 1.5rem; font-size: 0.85rem; color: var(--text-2); }
.rg-bar strong { color: #fff; }
.rg-bar .age { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; border: 2px solid var(--bad); color: var(--bad); font-weight: 700; font-family: var(--font-display); margin-right: 0.5rem; vertical-align: middle; font-size: 0.85rem; }

.disclosure { background: var(--bg-3); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0.7rem 1rem; font-size: 0.83rem; color: var(--text-3); margin: 1.2rem 0; }

/* responsive */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  body { font-size: 16px; overflow-x: hidden; }
  h1 { font-size: clamp(1.65rem, 7vw, 2rem); }
  h2 { font-size: 1.35rem; }
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; background: var(--bg-2); border-bottom: 1px solid var(--border); padding: 0.5rem; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.7rem 1rem; }
  .nav-toggle { display: inline-flex; margin-left: auto; background: var(--panel-2); border: 1px solid var(--border-2); color: var(--text); border-radius: var(--radius-sm); padding: 0.45rem 0.7rem; cursor: pointer; font-size: 1.1rem; }
  .proscons { grid-template-columns: 1fr; }
  .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .toc ol { columns: 1; }
  .hero-stats { gap: 1.2rem; }
  .score-box { flex-direction: column; gap: 0.7rem; }
  .callout, .panel, .disclosure { overflow-wrap: anywhere; }
  td, th, .slot-name, .badge { overflow-wrap: anywhere; }
  img, video, iframe, embed, object { max-width: 100%; height: auto; }
}