/* ===== Web fonts — SF Pro (Display / Text / Icons) =====
   Per Apple's optical-size guidance: Display for ≥20px, Text for <20px.
   `font-display:swap` keeps first paint instant; the browser only fetches
   the weights actually requested by the cascade. */
@font-face{font-family:'SF Pro Display';font-style:normal;font-weight:400;font-display:swap;
  src:url('fonts/sf-pro-display_regular.woff2')  format('woff2')}
@font-face{font-family:'SF Pro Display';font-style:normal;font-weight:600;font-display:swap;
  src:url('fonts/sf-pro-display_semibold.woff2') format('woff2')}
@font-face{font-family:'SF Pro Display';font-style:normal;font-weight:700;font-display:swap;
  src:url('fonts/sf-pro-display_bold.woff2')     format('woff2')}
@font-face{font-family:'SF Pro Text';   font-style:normal;font-weight:300;font-display:swap;
  src:url('fonts/sf-pro-text_light.woff2')       format('woff2')}
@font-face{font-family:'SF Pro Text';   font-style:normal;font-weight:400;font-display:swap;
  src:url('fonts/sf-pro-text_regular.woff2')     format('woff2')}
@font-face{font-family:'SF Pro Text';   font-style:normal;font-weight:600;font-display:swap;
  src:url('fonts/sf-pro-text_semibold.woff2')    format('woff2')}
@font-face{font-family:'SF Pro Icons';  font-style:normal;font-weight:300;font-display:swap;
  src:url('fonts/sf-pro-icons_light.woff2')      format('woff2')}

:root{
  /* Apple HIG-aligned tracking presets. Negative on display sizes for a
     denser, refined feel; ~0 on body; positive on small uppercase tags. */
  --tracking-display: -0.022em;
  --tracking-title:   -0.014em;
  --tracking-body:    -0.005em;
  --tracking-small:    0;
  --tracking-tag:      0.04em;

  --ff-display:'SF Pro Display',-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,Inter,sans-serif;
  --ff-text:   'SF Pro Text',   -apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,Inter,sans-serif;
  --ff-icons:  'SF Pro Icons',-apple-system,sans-serif;
  --ff-mono:   ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}

/* ===== Reset & base ===== */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--ff-text);
  font-size:14px;
  font-weight:400;
  line-height:1.55;
  letter-spacing:var(--tracking-body);
  font-feature-settings:"ss01","cv11";       /* SF round-zero + alt-4 */
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  background:#0b0613;
  color:#e9e6f5;
  min-height:100vh;
  position:relative;
  overflow-x:hidden;
}
/* SF Pro Display for any heading typically rendered ≥20px. */
h1,h2{font-family:var(--ff-display);letter-spacing:var(--tracking-display);font-weight:600}
h3,h4{font-family:var(--ff-text);   letter-spacing:var(--tracking-title);  font-weight:600}
/* Tabular figures everywhere a number sits in a column or chip. */
b,code,pre,.hash-tag,.score-pill,.risk-pill,.tl-count,.ip-chip,table.kv,
.module-num,.module-meta,.foot-bottom{font-variant-numeric:tabular-nums}
/* Helper for SF symbol glyphs if/when needed. */
.sfi{font-family:var(--ff-icons);font-weight:300;font-style:normal}
body::before{
  content:"";
  position:fixed;inset:0;
  background:
    radial-gradient(900px 600px at 80% 10%, rgba(124,77,255,.20), transparent 60%),
    radial-gradient(700px 500px at 10% 90%, rgba(91,46,178,.18), transparent 60%);
  pointer-events:none;z-index:-1;
}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:transparent;color:inherit}
hr{border:0;border-top:1px solid #1c1530;margin:24px 0}
code{font-family:var(--ff-mono);color:#c9bef3;font-size:0.92em}
pre{
  font-family:var(--ff-mono);
  background:#100920;border:1px solid #1f1535;border-radius:10px;
  padding:14px;color:#cfc4f5;font-size:12px;line-height:1.55;
  overflow:auto;max-height:520px;margin:0;
  white-space:pre-wrap;word-break:break-word;
  letter-spacing:0;
}

/* ===== Promo ===== */
#promo{
  display:flex;align-items:center;justify-content:center;gap:10px;
  background:linear-gradient(90deg,#1a0e2e,#241441,#1a0e2e);
  border-bottom:1px solid #2a1a4a;
  padding:9px 14px;font-size:12.5px;font-weight:400;color:#d8cdf6;position:relative;
  letter-spacing:var(--tracking-body);
}
.promo-icon{color:#a17dff}
#promo b{color:#fff;font-weight:600}
#promo-close{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-size:18px;color:#a59bcf;
}
#promo.hidden{display:none}

/* ===== Header ===== */
header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 36px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:600}
.logo{
  width:28px;height:28px;border-radius:8px;
  background:linear-gradient(135deg,#7c4dff,#5b2eb2);
  display:grid;place-items:center;font-size:15px;
}
.brand-name{
  font-family:var(--ff-display);font-size:15px;font-weight:600;
  letter-spacing:var(--tracking-title);
}
nav{display:flex;gap:28px;font-size:13.5px;color:#b9b0d8}
nav a{transition:color .15s}
nav a:hover{color:#fff}
.header-right{display:flex;gap:14px;align-items:center}
.lang-btn{color:#b9b0d8;font-size:12.5px}
.login-btn{color:#cfc4f5;font-size:12.5px}
.signup-btn{
  background:linear-gradient(135deg,#7c4dff,#5b2eb2);
  color:#fff;padding:8px 18px;border-radius:10px;
  font-weight:600;font-size:12.5px;letter-spacing:var(--tracking-small);
}
.signup-btn:hover{filter:brightness(1.1)}

/* ===== Main ===== */
main{max-width:1100px;margin:30px auto 60px;padding:0 24px}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(124,77,255,.12);
  border:1px solid rgba(124,77,255,.4);
  border-radius:999px;padding:6px 14px;
  font-size:11.5px;font-weight:500;color:#bfb0f0;
  letter-spacing:var(--tracking-tag);text-transform:uppercase;
  margin-bottom:14px;
}

/* ===== Hero ===== */
.hero{text-align:center;margin:18px 0 30px}
.warn-banner{
  display:inline-block;
  background:rgba(255,89,89,.10);
  border:1px solid rgba(255,89,89,.40);
  color:#ffb6b6;border-radius:10px;
  padding:9px 16px;font-size:13px;margin:8px 0 14px;
}
.warn-banner.hidden{display:none}
.warn-banner a{color:#ffd1d1;text-decoration:underline}
.ip-title{
  font-family:var(--ff-display);
  font-size:32px;font-weight:600;margin:6px 0;
  letter-spacing:var(--tracking-display);
  display:flex;justify-content:center;align-items:center;gap:14px;flex-wrap:wrap;
}
.flag{font-size:20px;color:#a594d6}
.copy-btn{
  background:#16102a;border:1px solid #2a1d4d;
  border-radius:8px;padding:6px 12px;font-size:12px;color:#cfc4f5;
  font-weight:500;letter-spacing:var(--tracking-small);
  transition:background .15s,border-color .15s;
}
.copy-btn:hover{background:#1f1638;border-color:#3a2a6a}
.city-text{color:#9c92bf;font-size:13.5px;margin:4px 0 18px;font-weight:300}

/* Dual IPv4 / IPv6 chips */
.ip-dual{
  display:flex;justify-content:center;gap:10px;flex-wrap:wrap;
  margin:6px 0 4px;
}
.ip-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(124,77,255,.08);
  border:1px solid #2a1d4d;border-radius:10px;
  padding:5px 12px;font-size:12.5px;
  font-family:var(--ff-mono);
  color:#e9e6f5;letter-spacing:0;
}
.ip-chip .ip-fam{
  font-family:var(--ff-text);
  font-size:9.5px;font-weight:600;letter-spacing:var(--tracking-tag);
  text-transform:uppercase;
  background:linear-gradient(135deg,#7c4dff,#5b2eb2);
  color:#fff;padding:2px 7px;border-radius:6px;
}
.ip-chip.empty{opacity:.4}
.ip-chip.empty .ip-fam{background:#3a3060}
.score-row{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:14px}
.score-pill{
  background:rgba(124,77,255,.15);border:1px solid rgba(124,77,255,.4);
  border-radius:999px;padding:6px 14px;font-size:11.5px;
  font-weight:500;letter-spacing:var(--tracking-small);
}
.score-pill b{color:#fff;margin-left:4px;font-weight:600}
.view-link{color:#b9b0d8;font-size:12px;text-decoration:underline;text-underline-offset:3px}

/* IP risk pill with green→red gradient */
.risk-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(0,0,0,.35);
  border:1px solid var(--risk-color,#3a3060);
  border-radius:999px;padding:6px 14px;font-size:11.5px;
  font-weight:500;letter-spacing:var(--tracking-small);
  transition:border-color .25s, box-shadow .25s;
  box-shadow:0 0 0 0 var(--risk-color,transparent);
}
.risk-pill[data-state="loaded"]{
  box-shadow:0 0 14px -2px var(--risk-color,transparent);
}
.risk-pill b{
  color:var(--risk-color,#fff);
  margin-left:2px;font-weight:700;
  text-shadow:0 0 8px var(--risk-color,transparent);
}
.risk-bar{
  position:relative;width:84px;height:6px;
  background:#1f1535;border:1px solid #2a1d4d;
  border-radius:999px;overflow:hidden;
}
.risk-bar-fill{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,#22c55e 0%,#a3e635 25%,#facc15 50%,#fb923c 75%,#ef4444 100%);
  transition:width .6s ease;
  border-radius:999px;
}

/* ===== Big info card ===== */
.info-card{
  background:linear-gradient(180deg,#130a26,#0e0721);
  border:1px solid #1d1336;border-radius:18px;
  padding:28px 30px;margin-top:20px;
}
.info-row{display:grid;grid-template-columns:280px 1fr;gap:30px;align-items:start}
.info-head{display:flex;gap:12px}
.info-ico{
  width:36px;height:36px;border-radius:10px;
  background:rgba(124,77,255,.12);border:1px solid #2a1d4d;
  display:grid;place-items:center;flex-shrink:0;font-size:16px;
}
.info-head h3{margin:0;font-size:15px;font-weight:600;letter-spacing:var(--tracking-title)}
.info-head p{margin:4px 0 0;color:#8e85ad;font-size:12px;font-weight:300}
.info-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:14px 36px;
}
.info-grid .lbl{color:#8e85ad;font-size:12.5px;font-weight:300;margin-right:8px}
.info-grid b{color:#fff;font-weight:500;font-size:12.5px;letter-spacing:0}
.leak{color:#ff7b7b;font-size:11px;margin-left:8px;font-weight:500}
.os-mismatch{color:#ff9b5a !important;cursor:help}
.os-mismatch::after{content:" ⚠";font-size:11px}

/* ===== Highlighted info-row (issue detected) ===== */
.info-row--warn{
  border-radius:12px;
  background:rgba(255,184,0,.04);
  outline:1.5px solid rgba(255,184,0,.30);
  outline-offset:10px;
  animation:row-pulse-warn 2.8s ease-in-out infinite;
}
.info-row--danger{
  border-radius:12px;
  background:rgba(255,89,89,.05);
  outline:1.5px solid rgba(255,89,89,.38);
  outline-offset:10px;
  animation:row-pulse-danger 2.8s ease-in-out infinite;
}
@keyframes row-pulse-warn{
  0%,100%{box-shadow:0 0 0 0 rgba(255,184,0,0)}
  50%    {box-shadow:0 0 18px -2px rgba(255,184,0,.18)}
}
@keyframes row-pulse-danger{
  0%,100%{box-shadow:0 0 0 0 rgba(255,89,89,0)}
  50%    {box-shadow:0 0 22px -2px rgba(255,89,89,.22)}
}
/* Alert badge injected next to the row heading */
.row-alert-tag{
  display:inline-flex;align-items:center;gap:4px;
  font-size:10.5px;font-weight:600;
  letter-spacing:var(--tracking-tag);text-transform:uppercase;
  background:rgba(255,184,0,.12);
  border:1px solid rgba(255,184,0,.38);
  border-radius:6px;padding:2px 8px;color:#ffc56b;
  margin-left:8px;vertical-align:middle;cursor:help;
  font-family:var(--ff-text);
}
.row-alert-tag--danger{
  background:rgba(255,89,89,.12);
  border-color:rgba(255,89,89,.38);
  color:#ff9b9b;
}

/* "View diff" toggle button next to the alert badge */
.row-diff-btn{
  display:inline-flex;align-items:center;gap:5px;
  font-size:11px;font-weight:500;
  font-family:var(--ff-text);letter-spacing:var(--tracking-small);
  background:rgba(124,77,255,.10);
  border:1px solid rgba(124,77,255,.40);
  border-radius:6px;padding:3px 9px;
  color:#cfc4f5;margin-left:6px;vertical-align:middle;
  cursor:pointer;
  transition:background .15s,border-color .15s;
}
.row-diff-btn:hover{
  background:rgba(124,77,255,.20);
  border-color:rgba(124,77,255,.60);
  color:#fff;
}
.row-diff-btn .chev{
  display:inline-block;font-size:9px;
  transition:transform .2s ease;
  color:#a594d6;
}
.row-diff-btn.open .chev{transform:rotate(90deg)}

/* Expandable diff panel — Detected (wrong) vs Expected (correct) */
.row-diff-panel{
  display:none;
  grid-column:1 / -1;
  margin-top:18px;
  padding:14px 16px;
  background:rgba(0,0,0,.28);
  border:1px dashed rgba(124,77,255,.35);
  border-radius:10px;
}
.row-diff-panel.open{display:block;animation:diff-slide .25s ease-out}
@keyframes diff-slide{
  from{opacity:0;transform:translateY(-4px)}
  to  {opacity:1;transform:translateY(0)}
}
.diff-issue{padding:10px 0}
.diff-issue + .diff-issue{border-top:1px dashed #2a1d4d;margin-top:4px}
.diff-issue-title{
  font-family:var(--ff-text);font-size:12px;font-weight:600;
  color:#ffc56b;margin:0 0 8px;
  letter-spacing:var(--tracking-title);
}
.diff-issue.danger .diff-issue-title{color:#ff9b9b}
.diff-cols{
  display:grid;grid-template-columns:1fr auto 1fr;
  gap:12px;align-items:stretch;
}
.diff-col{
  background:#100920;border:1px solid #1f1535;
  border-radius:8px;padding:9px 12px;
  display:flex;flex-direction:column;gap:4px;
  min-width:0;
}
.diff-col--wrong{
  background:rgba(255,89,89,.06);
  border-color:rgba(255,89,89,.32);
}
.diff-col--right{
  background:rgba(91,227,164,.06);
  border-color:rgba(91,227,164,.32);
}
.diff-col-label{
  font-family:var(--ff-text);
  font-size:9.5px;font-weight:600;
  letter-spacing:var(--tracking-tag);text-transform:uppercase;
  color:#8e85ad;
}
.diff-col--wrong .diff-col-label{color:#ff9b9b}
.diff-col--right .diff-col-label{color:#7be3b1}
.diff-col-value{
  font-family:var(--ff-mono);
  color:#e9e6f5;font-size:12.5px;
  word-break:break-all;letter-spacing:0;
  font-variant-numeric:tabular-nums;
}
.diff-arrow{
  font-family:var(--ff-mono);
  font-size:20px;font-weight:700;
  color:#ff7b7b;
  display:grid;place-items:center;
  padding:0 4px;
}
@media(max-width:600px){
  .diff-cols{grid-template-columns:1fr}
  .diff-arrow{transform:rotate(90deg);padding:6px 0}
}

/* ===== Inline details inside diagnostic cards (e.g. canvas signature) ===== */
.card .card-details{
  margin-top:6px;padding-top:10px;
  border-top:1px dashed #2a1d4d;
  font-size:11.5px;font-variant-numeric:tabular-nums;
}
.card .card-details table{width:100%;border-collapse:collapse}
.card .card-details td{padding:4px 0;vertical-align:top}
.card .card-details .cd-k{
  width:88px;color:#8e85ad;font-weight:300;
  letter-spacing:var(--tracking-small);padding-right:10px;
}
.card .card-details .cd-v{color:#e9e6f5;font-weight:500;letter-spacing:0;word-break:break-all}
.card .card-details .cd-mono{font-family:var(--ff-mono);color:#c9bef3}
.card .card-details .cd-upper{text-transform:uppercase}
.card .card-details .cd-error{color:#ff7b7b;font-weight:400}

/* ===== Diagnostics ===== */
.diag{margin-top:60px;text-align:center}
.diag h2{font-family:var(--ff-display);font-size:26px;font-weight:600;margin:6px 0;letter-spacing:var(--tracking-display)}
.diag-sub{color:#8e85ad;font-size:13px;font-weight:300;line-height:1.6;margin:0 0 28px}
.cards-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  text-align:left;
}
.card{
  background:linear-gradient(180deg,#130a26,#0e0721);
  border:1px solid #1d1336;border-radius:14px;
  padding:18px;display:flex;flex-direction:column;gap:10px;
  transition:border-color .15s;
}
.card.has-issues{border-color:rgba(255,184,0,.45)}
.card.has-errors{border-color:rgba(255,89,89,.45)}
.card-ico{
  width:30px;height:30px;border-radius:8px;
  background:rgba(124,77,255,.10);
  border:1px solid #2a1d4d;
  display:grid;place-items:center;font-size:11px;color:#bfb0f0;
}
.card h4{margin:0;font-size:13.5px;font-weight:600;letter-spacing:var(--tracking-title)}
.card-status{margin:0;font-size:11.5px;color:#8e85ad;font-weight:400}
.card.ok .card-status{color:#8e85ad}
.card.has-issues .card-status{color:#ffc56b}
.card.has-issues .card-status::before{content:"● ";color:#ffb800}
.card.has-errors .card-status::before{content:"● ";color:#ff5a5a}
.card-btn{
  background:#16102a;border:1px solid #2a1d4d;border-radius:10px;
  padding:9px;font-size:12px;font-weight:500;color:#cfc4f5;margin-top:auto;
  letter-spacing:var(--tracking-small);transition:.15s;
}
.card.has-issues .card-btn,.card.has-errors .card-btn{
  background:linear-gradient(135deg,#7c4dff,#5b2eb2);border-color:transparent;color:#fff;
}
.card-btn:hover{filter:brightness(1.15)}
.card-troubles{
  margin-top:8px;padding-top:10px;border-top:1px dashed #2a1d4d;
  font-size:11px;color:#cfc4f5;line-height:1.55;display:none;
}
.card-troubles.show{display:block}
.card-troubles ul{margin:0;padding-left:18px}
.card-troubles li{margin:3px 0}

/* ===== WebRTC ===== */
.webrtc-block{margin-top:50px;padding:0 4px}
.webrtc-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.webrtc-head h3{margin:0;font-family:var(--ff-display);font-size:18px;font-weight:600;letter-spacing:var(--tracking-title)}
.restart-btn{
  background:#16102a;border:1px solid #2a1d4d;border-radius:8px;
  padding:6px 12px;font-size:12px;font-weight:500;color:#cfc4f5;
  letter-spacing:var(--tracking-small);transition:background .15s,border-color .15s;
}
.restart-btn:hover{background:#1f1638;border-color:#3a2a6a}
.ok{color:#5be3a4}
.bad{color:#ff7b7b}
.webrtc-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:10px 0 14px;
  font-size:12px;color:#cfc4f5;line-height:1.7;
}
.rtc-cand-head{margin:18px 0 6px;font-size:13px;font-weight:500}
.muted-tag{font-size:11px;font-weight:300;color:#8e85ad;margin-left:6px;letter-spacing:0}

/* Prominent WebRTC leak risk banner */
.leak-banner{
  margin:14px 0;
  padding:14px 18px;
  border-radius:12px;
  background:linear-gradient(90deg, rgba(255,89,89,.12), rgba(255,123,123,.06));
  border:1px solid rgba(255,89,89,.45);
  color:#ffb6b6;
  font-size:13px;
  display:flex;align-items:flex-start;gap:12px;
  box-shadow:0 0 24px -4px rgba(255,89,89,.25);
  animation:pulse-leak 2.4s ease-in-out infinite;
}
.leak-banner.hidden{display:none}
.leak-banner .leak-ico{
  font-size:22px;line-height:1;flex-shrink:0;
  filter:drop-shadow(0 0 6px #ff5a5a);
}
.leak-banner h4{
  margin:0 0 4px;color:#ffd1d1;font-size:14px;font-weight:600;
  letter-spacing:var(--tracking-title);
}
.leak-banner p{margin:0;line-height:1.55;color:#ffb6b6;font-weight:400}
.leak-banner code{
  background:rgba(255,89,89,.15);
  border:1px solid rgba(255,89,89,.35);
  padding:1px 6px;border-radius:4px;
  color:#ffd1d1;font-size:12px;
}
.leak-banner.ok{
  background:linear-gradient(90deg, rgba(91,227,164,.10), rgba(91,227,164,.04));
  border-color:rgba(91,227,164,.45);
  color:#a8e6c9;
  box-shadow:none;animation:none;
}
.leak-banner.ok h4{color:#bef0d6}
.leak-banner.ok p{color:#a8e6c9}
.leak-banner.ok .leak-ico{filter:drop-shadow(0 0 6px #5be3a4)}
@keyframes pulse-leak{
  0%,100%{box-shadow:0 0 24px -4px rgba(255,89,89,.25)}
  50%   {box-shadow:0 0 36px -2px rgba(255,89,89,.45)}
}

/* Highlight modulation when fields just got updated */
@keyframes flash-update{
  0%   {background:rgba(124,77,255,.35)}
  100% {background:transparent}
}
.just-updated{animation:flash-update 1.6s ease-out}
.webrtc-cands{margin-top:14px}
.webrtc-cands summary{
  cursor:pointer;color:#8e85ad;font-size:12px;
  padding:6px 0;user-select:none;
}
.webrtc-cands summary:hover{color:#cfc4f5}
.webrtc-cands[open] summary{color:#bfb0f0;margin-bottom:6px}

/* ===== Modules ===== */
.modules{margin-top:60px}
.modules h2{font-family:var(--ff-display);font-size:24px;font-weight:600;margin:6px 0;letter-spacing:var(--tracking-display)}
.module{
  background:linear-gradient(180deg,#130a26,#0e0721);
  border:1px solid #1d1336;border-radius:14px;
  margin:10px 0;overflow:hidden;
}
.module-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 18px;cursor:pointer;user-select:none;
  transition:background .15s;
}
.module-head:hover{background:rgba(124,77,255,.05)}
.module-title{display:flex;gap:10px;align-items:center}
.module-num{
  width:24px;height:24px;border-radius:6px;
  background:rgba(124,77,255,.12);border:1px solid #2a1d4d;
  display:grid;place-items:center;font-size:11px;font-weight:500;color:#bfb0f0;
}
.module-title h4{margin:0;font-size:13.5px;font-weight:600;letter-spacing:var(--tracking-title)}
.module-title p{margin:0;font-size:11px;font-weight:300;color:#8e85ad}
.module-meta{display:flex;gap:10px;align-items:center;font-size:11px;color:#8e85ad}
.hash-tag{
  font-family:var(--ff-mono);
  background:rgba(124,77,255,.10);
  border:1px solid #2a1d4d;border-radius:6px;
  padding:2px 8px;color:#bfb0f0;letter-spacing:0;
}
.lied-tag{
  background:rgba(255,89,89,.10);border:1px solid rgba(255,89,89,.4);
  border-radius:6px;padding:2px 6px;color:#ff7b7b;
  font-size:10px;font-weight:600;letter-spacing:var(--tracking-tag);text-transform:uppercase;
}
.chevron{transition:transform .15s}
.module.open .chevron{transform:rotate(90deg)}
.module-body{display:none;padding:0 18px 16px}
.module.open .module-body{display:block}

.module-summary{margin-bottom:10px}
table.kv{width:100%;border-collapse:collapse;font-size:12px}
table.kv td{padding:6px 8px;border-bottom:1px dashed #1f1535;vertical-align:top;line-height:1.5}
table.kv td:first-child{color:#8e85ad;width:200px;font-weight:400;white-space:nowrap}
table.kv td:last-child{color:#e9e6f5;word-break:break-all}
table.kv code{color:#cfc4f5;background:transparent;font-size:11px;font-family:var(--ff-mono)}
table.kv .full-hash{color:#bfb0f0;font-size:10px}

.module-raw{margin-top:10px}
.module-raw summary{
  cursor:pointer;color:#8e85ad;font-size:12px;
  padding:6px 0;user-select:none;
}
.module-raw summary:hover{color:#cfc4f5}
.module-raw[open] summary{color:#bfb0f0;margin-bottom:6px}
.module-raw pre{max-height:300px}

.full-json{margin-top:30px;position:relative}
.full-json h3{margin:6px 0 10px;display:inline-block;margin-right:14px;font-family:var(--ff-display);font-size:18px;font-weight:600;letter-spacing:var(--tracking-title)}
.full-json .copy-btn{margin-right:8px}
.full-json pre{max-height:600px}

/* ===== CTA ===== */
.cta{
  margin-top:60px;display:flex;justify-content:space-between;align-items:center;
  padding:18px 8px;
}
.cta h2{
  font-family:var(--ff-display);font-size:48px;margin:0;color:#5b3aab;
  font-weight:700;letter-spacing:-0.03em;
}
.cta-btn{
  background:linear-gradient(135deg,#7c4dff,#5b2eb2);
  color:#fff;padding:14px 24px;border-radius:12px;
  font-weight:600;font-size:13px;letter-spacing:var(--tracking-small);
  transition:filter .15s,transform .15s;
}
.cta-btn:hover{filter:brightness(1.1);transform:translateY(-1px)}

/* ===== Footer ===== */
footer{
  border-top:1px solid #1d1336;
  padding:36px 36px 24px;color:#8e85ad;font-size:12px;font-weight:300;
  position:relative;overflow:hidden;
}
.foot-grid{
  display:grid;grid-template-columns:repeat(4,1fr) auto;gap:30px;max-width:1100px;margin:0 auto;
}
.foot-grid h5{
  margin:0 0 10px;color:#cfc4f5;
  font-size:11px;font-weight:600;letter-spacing:var(--tracking-tag);text-transform:uppercase;
}
.foot-grid a{display:block;margin:6px 0;color:#8e85ad;font-weight:400;transition:color .15s}
.foot-grid a:hover{color:#fff}
.socials{display:flex;gap:14px;align-items:flex-start}
.socials a{font-size:18px;margin-top:6px}
.foot-bottom{max-width:1100px;margin:24px auto 0;padding-top:14px;border-top:1px solid #1d1336;font-size:11px;font-weight:300;letter-spacing:0}
.foot-watermark{
  position:absolute;right:-30px;bottom:-40px;
  font-family:var(--ff-display);
  font-size:160px;font-weight:700;color:#150a2a;
  letter-spacing:-0.06em;line-height:1;pointer-events:none;
}

/* ===== Responsive ===== */
@media(max-width:900px){
  .info-row{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr}
  .cards-grid{grid-template-columns:1fr 1fr}
  .webrtc-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  nav{display:none}
}
@media(max-width:600px){
  .cards-grid{grid-template-columns:1fr}
  header{padding:14px 18px;flex-wrap:wrap;gap:10px}
  .ip-title{font-size:24px}
  .diag h2,.modules h2{font-size:20px}
  .cta{flex-direction:column;gap:14px;text-align:center}
  .cta h2{font-size:34px;letter-spacing:-0.025em}
  .foot-watermark{font-size:96px}
}

/* ===== Skeleton / running progressbar =====
 * Inline indeterminate progress bar used as placeholder for any data field
 * before its real value arrives. Looks like an iOS-style running bar: a
 * narrow highlight slides across a faint track. Size variants mirror the
 * typographic scale (sm = inline tag, default = body value, md = chip,
 * lg = subtitle, xl = hero IP). Block variants fill larger empty areas. */
.skel{
  display:inline-block;position:relative;
  min-width:80px;height:10px;border-radius:6px;
  background:rgba(124,77,255,.08);
  border:1px solid rgba(124,77,255,.18);
  overflow:hidden;vertical-align:middle;
  letter-spacing:0;color:transparent;
}
.skel::after{
  content:"";position:absolute;top:0;left:-40%;
  width:40%;height:100%;
  background:linear-gradient(90deg,
    transparent 0%,
    rgba(170,130,255,.55) 45%,
    rgba(170,130,255,.85) 50%,
    rgba(170,130,255,.55) 55%,
    transparent 100%);
  animation:skel-run 1.25s cubic-bezier(.4,0,.2,1) infinite;
}
.skel-sm{min-width:48px;height:8px;border-radius:5px}
.skel-md{min-width:110px;height:12px;border-radius:6px}
.skel-lg{min-width:160px;height:14px;border-radius:7px}
.skel-xl{min-width:220px;height:22px;border-radius:8px}
.skel-block{
  display:block;width:100%;min-width:0;height:64px;border-radius:10px;
  margin:6px 0;
}
.skel-block-tall{
  display:block;width:100%;min-width:0;height:240px;border-radius:14px;
  margin:10px 0;
}
@keyframes skel-run{
  0%   {left:-40%}
  100% {left:100%}
}
@media (prefers-reduced-motion:reduce){
  .skel::after{animation:none;left:30%;opacity:.6}
}
/* Skel inside a code/mono container should still feel inline-aligned. */
code .skel,pre .skel{vertical-align:baseline}

/* ===== Misc ===== */
.hidden{display:none !important}
::selection{background:#5b2eb2;color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0b0613}
::-webkit-scrollbar-thumb{background:#2a1d4d;border-radius:6px}
::-webkit-scrollbar-thumb:hover{background:#3d2a6e}