/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg: #0B0E11;
  --panel: #12161C;
  --panel-2: #171C23;
  --panel-3: #1C222B;
  --border: #232A33;
  --border-2: #2E3743;
  --text: #E7EAEE;
  --dim: #98A2AE;
  --mute: #67717D;
  --accent: #C6FF3D;
  --accent-ink: #0B0E11;
  --great: #4ADE80;
  --good: #C6FF3D;
  --ok: #FFB020;
  --poor: #FF5D5D;
  --tone: var(--accent);
  --display: "Space Grotesk", system-ui, sans-serif;
  --sans: "IBM Plex Sans", -apple-system, "Segoe UI", system-ui, sans-serif;
  --radius: 16px;
  --gutter: 1.25rem;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

/* =============================================================
   2. Base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--sans); line-height: 1.55; font-size: 16px;
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: center top;
}
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -1;
  background: radial-gradient(ellipse 70% 55% at 50% 0%, transparent 0%, var(--bg) 78%);
}
h1, h2, h3, p { margin: 0; }
h1, h2, h3, .logo, .btn, .score-num, .gauge-value { font-family: var(--display); }
a { color: var(--accent); }
a:hover { color: #DFFF7A; }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--accent); color: var(--accent-ink); }
.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 var(--gutter); }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--accent); color: var(--accent-ink); padding: .6rem 1rem; z-index: 100; }
.skip-link:focus { left: 0; }
.muted { color: var(--mute); font-size: .9rem; }

/* =============================================================
   3. Header + hero
   ============================================================= */
.site-header { border-bottom: 1px solid var(--border); background: rgba(11,14,17,.82); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 50; }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 62px; gap: 1rem; }
.logo { font-weight: 700; font-size: 1.3rem; letter-spacing: -.02em; color: var(--text); text-decoration: none; }
.logo:hover { color: var(--text); }
.logo-accent { color: var(--accent); }
.header-nav { display: none; gap: 1.6rem; font-size: .92rem; }
.header-nav a { color: var(--dim); text-decoration: none; }
.header-nav a:hover { color: var(--text); }

.hero { text-align: center; padding-top: 3.2rem; padding-bottom: 1.6rem; }
.eyebrow { display: inline-flex; align-items: center; gap: .55rem; font-size: .78rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(198,255,61,.6); animation: pulse 2s infinite; }
.hero h1 { font-size: clamp(2rem, 6.4vw, 3.6rem); line-height: 1.04; letter-spacing: -.03em; font-weight: 700; max-width: 16ch; margin: 0 auto; }
.hero-sub { color: var(--dim); font-size: clamp(1rem, 2.4vw, 1.18rem); max-width: 46ch; margin: 1.1rem auto 0; }

/* =============================================================
   4. Tool card
   ============================================================= */
.tool-section { padding-top: 1.2rem; padding-bottom: 1rem; }
.tool-card {
  position: relative; background: linear-gradient(180deg, var(--panel) 0%, #0F1318 100%);
  border: 1px solid var(--border); border-radius: 22px; padding: clamp(1.2rem, 4vw, 2.4rem);
  min-height: 340px; display: flex; flex-direction: column; justify-content: center;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.8), 0 0 0 1px rgba(255,255,255,.02) inset;
  transition: border-color .5s var(--ease), box-shadow .5s var(--ease);
}
.tool-card::before, .tool-card::after {
  content: ""; position: absolute; width: 22px; height: 22px; border: 2px solid var(--tone); opacity: .9; pointer-events: none; transition: border-color .5s;
}
.tool-card::before { top: 12px; left: 12px; border-right: 0; border-bottom: 0; border-top-left-radius: 8px; }
.tool-card::after { bottom: 12px; right: 12px; border-left: 0; border-top: 0; border-bottom-right-radius: 8px; }
.tool-card[data-state="done"] { border-color: color-mix(in srgb, var(--tone) 35%, var(--border)); box-shadow: 0 30px 80px -30px rgba(0,0,0,.8), 0 0 60px -20px var(--tone); }

.tool-card[data-tone="great"] { --tone: var(--great); }
.tool-card[data-tone="good"]  { --tone: var(--good); }
.tool-card[data-tone="ok"]    { --tone: var(--ok); }
.tool-card[data-tone="poor"]  { --tone: var(--poor); }

.panel { display: none; }
.tool-card[data-state="idle"] .panel-idle,
.tool-card[data-state="running"] .panel-running,
.tool-card[data-state="done"] .panel-done,
.tool-card[data-state="error"] .panel-error { display: block; animation: rise .5s var(--ease) both; }
.panel-idle, .panel-error { text-align: center; padding: 1.2rem 0; }
.js-required { color: var(--ok); text-align: center; }
.idle-note { color: var(--mute); font-size: .9rem; margin-top: 1rem; }
.limits-note { color: var(--mute); font-size: .82rem; text-align: center; max-width: 70ch; margin: 1.1rem auto 0; }
.error-title { font-family: var(--display); font-weight: 700; font-size: 1.3rem; color: var(--poor); margin-bottom: .5rem; }
.error-text { color: var(--dim); max-width: 52ch; margin: 0 auto 1.2rem; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .8rem 1.3rem; border-radius: 12px; font-weight: 700; font-size: .95rem; text-decoration: none; transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { color: var(--accent-ink); box-shadow: 0 10px 30px -8px rgba(198,255,61,.55); }
.btn-ghost { background: var(--panel-3); border: 1.5px solid var(--border-2); color: var(--text); }
.btn-ghost:hover { color: var(--text); border-color: var(--dim); }
.btn-xl { padding: 1.15rem 2.6rem; font-size: 1.15rem; border-radius: 14px; position: relative; }
.btn-xl::before { content: ""; position: absolute; inset: -6px; border-radius: 18px; border: 1.5px solid var(--accent); opacity: .35; animation: ring 2.4s infinite; }

/* =============================================================
   5. Running: stepper + gauge + live graph
   ============================================================= */
.stepper { display: flex; justify-content: center; gap: .4rem; list-style: none; margin: 0 0 .4rem; padding: 0; font-size: .82rem; font-weight: 600; color: var(--mute); }
.stepper li { display: flex; align-items: center; gap: .45rem; padding: .35rem .8rem; border-radius: 99px; border: 1px solid transparent; transition: color .3s, border-color .3s, background .3s; }
.step-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border-2); transition: background .3s, box-shadow .3s; }
.stepper li.is-active { color: var(--text); border-color: var(--border-2); background: var(--panel-2); }
.stepper li.is-active .step-dot { background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.stepper li.is-done { color: var(--dim); }
.stepper li.is-done .step-dot { background: var(--great); }

.gauge { position: relative; width: min(100%, 420px); margin: 0 auto; }
.gauge-svg { display: block; width: 100%; height: auto; overflow: visible; }
.gauge-track, .gauge-fill { fill: none; stroke-width: 16; stroke-linecap: round; }
.gauge-track { stroke: var(--panel-3); }
.gauge-fill { stroke: var(--accent); stroke-dasharray: 100; stroke-dashoffset: 100; filter: drop-shadow(0 0 8px rgba(198,255,61,.55)); transition: stroke-dashoffset .18s linear; }
.gauge-tick { stroke: var(--border-2); stroke-width: 2; }
.gauge-label { fill: var(--mute); font-size: 10px; font-family: var(--sans); text-anchor: middle; }
.gauge-readout { position: absolute; left: 0; right: 0; bottom: 6%; text-align: center; line-height: 1; }
.gauge-value { font-size: clamp(3rem, 12vw, 4.6rem); font-weight: 700; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.gauge-unit { color: var(--dim); font-size: .95rem; margin-top: .25rem; font-weight: 500; }
.phase { text-align: center; color: var(--dim); margin: .9rem 0 .2rem; font-size: .98rem; }

.live-graph { position: relative; max-width: 640px; margin: .8rem auto 0; }
.live-graph canvas { display: block; width: 100%; height: 88px; border-radius: 12px; background: var(--panel-2); border: 1px solid var(--border); }
.live-graph-label { position: absolute; left: 10px; top: 7px; font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); }
.live-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem; margin-top: .9rem; min-height: 32px; }
.chip { display: inline-flex; gap: .45rem; align-items: baseline; padding: .3rem .8rem; border-radius: 99px; background: var(--panel-2); border: 1px solid var(--border); font-size: .85rem; color: var(--dim); animation: rise .4s var(--ease) both; }
.chip strong { color: var(--text); font-family: var(--display); font-variant-numeric: tabular-nums; }

/* =============================================================
   6. Result
   ============================================================= */
.score-head { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1.2rem; }
.score-ring { position: relative; width: 168px; height: 168px; flex-shrink: 0; }
.score-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); overflow: visible; }
.ring-track, .ring-fill { fill: none; stroke-width: 9; }
.ring-track { stroke: var(--panel-3); }
.ring-fill { stroke: var(--tone); stroke-linecap: round; stroke-dasharray: 100; stroke-dashoffset: 100; filter: drop-shadow(0 0 7px var(--tone)); transition: stroke-dashoffset 1.4s var(--ease), stroke .4s; }
.score-num { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 3.4rem; font-weight: 700; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.score-label { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); font-weight: 600; }
.score-verdict { font-size: clamp(1.6rem, 5vw, 2.3rem); font-weight: 700; letter-spacing: -.02em; color: var(--tone); line-height: 1.1; margin-top: .2rem; }
.score-explain { color: var(--dim); margin-top: .7rem; max-width: 56ch; }

.metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; margin-top: 1.8rem; }
.metric { background: var(--panel-2); border: 1px solid var(--border); border-radius: 14px; padding: 1rem 1.05rem; min-width: 0; animation: rise .5s var(--ease) both; }
.metric-top { display: flex; justify-content: space-between; align-items: baseline; gap: .5rem; }
.metric-name { font-size: .8rem; color: var(--dim); font-weight: 600; }
.metric-status { font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.metric-value { font-family: var(--display); font-size: 1.85rem; font-weight: 700; letter-spacing: -.03em; margin-top: .25rem; font-variant-numeric: tabular-nums; line-height: 1.1; }
.metric-value small { font-size: .85rem; color: var(--dim); font-weight: 500; letter-spacing: 0; margin-left: .2rem; }
.zone-bar { position: relative; display: flex; gap: 3px; height: 6px; margin-top: .85rem; }
.zone-bar span { flex: 1; border-radius: 3px; background: var(--panel-3); }
.zone-bar span.z-poor { background: color-mix(in srgb, var(--poor) 45%, var(--panel-3)); }
.zone-bar span.z-ok { background: color-mix(in srgb, var(--ok) 45%, var(--panel-3)); }
.zone-bar span.z-good { background: color-mix(in srgb, var(--good) 45%, var(--panel-3)); }
.zone-bar span.z-great { background: color-mix(in srgb, var(--great) 45%, var(--panel-3)); }
.zone-bar i { position: absolute; top: -4px; width: 4px; height: 14px; border-radius: 2px; background: #fff; box-shadow: 0 0 8px rgba(255,255,255,.8); transform: translateX(-50%); transition: left 1s var(--ease); }
.metric-hint { color: var(--mute); font-size: .74rem; margin-top: .55rem; }

.sub-title { font-size: 1.02rem; font-weight: 700; margin: 2rem 0 .8rem; letter-spacing: -.01em; }
.ping-graph canvas { display: block; width: 100%; height: 150px; border-radius: 14px; background: var(--panel-2); border: 1px solid var(--border); }
.ping-graph-note { color: var(--mute); font-size: .82rem; margin-top: .55rem; }

.games { display: grid; grid-template-columns: 1fr; gap: .6rem; }
.game { display: flex; align-items: center; gap: .85rem; padding: .8rem 1rem; border-radius: 14px; background: var(--panel-2); border: 1px solid var(--border); min-width: 0; }
.game-icon { width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.game-icon svg { width: 16px; height: 16px; }
.game.is-yes .game-icon { background: color-mix(in srgb, var(--great) 20%, transparent); color: var(--great); }
.game.is-maybe .game-icon { background: color-mix(in srgb, var(--ok) 20%, transparent); color: var(--ok); }
.game.is-no .game-icon { background: color-mix(in srgb, var(--poor) 20%, transparent); color: var(--poor); }
.game-name { font-weight: 600; font-size: .95rem; }
.game-ex { color: var(--mute); font-size: .8rem; }
.game-why { color: var(--dim); font-size: .8rem; }
.game-body { min-width: 0; }

.tips { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.tips li { position: relative; padding: .85rem 1rem .85rem 2.6rem; border-radius: 14px; background: var(--panel-2); border: 1px solid var(--border); color: var(--dim); font-size: .94rem; }
.tips li::before { content: ""; position: absolute; left: 1rem; top: 1.05rem; width: 10px; height: 10px; border-radius: 50%; background: var(--tone); box-shadow: 0 0 10px var(--tone); }
.tips li strong { color: var(--text); }

.done-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.8rem; }
.copied-note { min-height: 1.4em; color: var(--great); font-size: .85rem; margin-top: .6rem; }

/* =============================================================
   7. Ads
   ============================================================= */
.ad-slot { margin-top: 1.6rem; min-height: 90px; border: 1px dashed var(--border-2); border-radius: 12px; display: flex; align-items: center; justify-content: center; position: relative; }
.ad-label { font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); }

/* =============================================================
   8. Routers
   ============================================================= */
section.container { padding-top: 3rem; padding-bottom: 1rem; }
[id] { scroll-margin-top: 80px; }
.routers h2, .seo-copy h2, .faq h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); letter-spacing: -.025em; font-weight: 700; }
.section-lead { color: var(--dim); margin-top: .7rem; max-width: 62ch; }
.honest-note { margin-top: 1rem; padding: .85rem 1.05rem; border-radius: 12px; background: color-mix(in srgb, var(--ok) 10%, var(--panel)); border: 1px solid color-mix(in srgb, var(--ok) 32%, var(--border)); color: var(--text); font-size: .92rem; max-width: 72ch; }
.reco-note { margin-top: 1rem; padding: .8rem 1.05rem; border-radius: 12px; background: color-mix(in srgb, var(--accent) 9%, var(--panel)); border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border)); font-size: .92rem; color: var(--dim); max-width: 72ch; }
.reco-note strong { color: var(--text); }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.4rem 0 1rem; }
.filter { padding: .5rem 1.1rem; border-radius: 99px; border: 1.5px solid var(--border-2); background: var(--panel); color: var(--dim); font-weight: 600; font-size: .88rem; transition: all .2s; }
.filter:hover { color: var(--text); border-color: var(--dim); }
.filter.is-active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

.router-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.router { position: relative; display: flex; flex-direction: column; gap: .8rem; background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 1.2rem; min-width: 0; transition: transform .25s var(--ease), border-color .25s; animation: rise .5s var(--ease) both; }
.router:hover { transform: translateY(-3px); border-color: var(--border-2); }
.router.is-reco { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); box-shadow: 0 0 40px -18px var(--accent); }
.reco-badge { position: absolute; top: -11px; left: 1.1rem; background: var(--accent); color: var(--accent-ink); font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: .28rem .7rem; border-radius: 99px; font-family: var(--display); }
.router-top { display: flex; align-items: center; gap: 1rem; }
.router-art { width: 74px; height: 58px; flex-shrink: 0; color: var(--dim); }
.router-art .led { fill: var(--accent); }
.router-brand { font-size: .78rem; color: var(--mute); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.router-name { font-family: var(--display); font-weight: 700; font-size: 1.15rem; letter-spacing: -.015em; line-height: 1.2; }
.router-tier { align-self: flex-start; margin-left: auto; font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: .25rem .6rem; border-radius: 99px; border: 1px solid var(--border-2); color: var(--dim); white-space: nowrap; }
.pills { display: flex; flex-wrap: wrap; gap: .4rem; }
.pill { font-size: .76rem; font-weight: 600; padding: .25rem .65rem; border-radius: 8px; background: var(--panel-3); color: var(--text); border: 1px solid var(--border); }
.pill.is-hot { background: color-mix(in srgb, var(--accent) 14%, var(--panel-3)); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); color: var(--accent); }
.router-best { color: var(--dim); font-size: .9rem; }
.router-best strong { color: var(--text); }
.router-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; font-size: .86rem; color: var(--dim); }
.router-list li { padding-left: 1.4rem; position: relative; }
.router-list li::before { position: absolute; left: 0; top: 0; font-weight: 700; }
.router-list .pro::before { content: "+"; color: var(--great); }
.router-list .con::before { content: "!"; color: var(--ok); }
.router-why { font-size: .86rem; color: var(--accent); padding: .6rem .8rem; border-radius: 10px; background: color-mix(in srgb, var(--accent) 8%, var(--panel-2)); }
.router .btn { margin-top: auto; }
.affiliate-note { color: var(--mute); font-size: .78rem; margin-top: 1.3rem; max-width: 90ch; }

/* =============================================================
   9. Content + footer
   ============================================================= */
.seo-copy { max-width: 780px; }
.seo-copy h2, .faq h2 { margin-bottom: 1.1rem; }
.seo-copy p { color: var(--dim); margin-bottom: 1rem; }
.seo-copy strong { color: var(--text); }
.faq-list { display: grid; gap: .6rem; max-width: 780px; }
.faq-item { border: 1px solid var(--border); border-radius: 12px; padding: .1rem 1rem; background: var(--panel); }
.faq-item summary { padding: .9rem 0; font-weight: 600; cursor: pointer; font-size: .97rem; }
.faq-item p { padding-bottom: 1rem; color: var(--dim); font-size: .93rem; }
.site-footer { margin-top: 4rem; border-top: 1px solid var(--border); padding: 1.6rem 0; color: var(--mute); font-size: .85rem; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer-nav { display: flex; gap: 1.2rem; }
.footer-nav a { color: var(--dim); text-decoration: none; }
.footer-nav a:hover { color: var(--text); }

/* Guides */
.legal .lead { font-size: 1.08rem; color: var(--text); margin-bottom: 1.2rem; }
.legal ul, .legal ol { color: var(--dim); margin: 0 0 1rem; padding-left: 1.3rem; }
.legal li { margin-bottom: .45rem; }
.table-wrap { overflow-x: auto; margin: 1rem 0 1.4rem; border: 1px solid var(--border); border-radius: 12px; }
.guide-table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 460px; }
.guide-table th, .guide-table td { text-align: left; padding: .7rem .9rem; border-bottom: 1px solid var(--border); }
.guide-table th { color: var(--text); background: var(--panel-2); font-weight: 600; }
.guide-table td { color: var(--dim); }
.guide-table tr:last-child td { border-bottom: 0; }
.guide-cta { margin: 2rem 0; padding: 1.3rem 1.4rem; background: var(--panel); border: 1px solid var(--border-2); border-radius: var(--radius); }
.guide-cta h2 { margin: 0 0 .4rem !important; }
.guide-cta p { margin-bottom: 1rem !important; }
.guide-list { display: grid; gap: .8rem; max-width: 780px; margin-top: 1.1rem; }
.guide-card { display: block; padding: 1rem 1.2rem; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; text-decoration: none; transition: border-color .18s, transform .18s var(--ease); }
.guide-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.guide-card strong { display: block; color: var(--text); font-family: var(--display); font-size: 1.02rem; margin-bottom: .25rem; }
.guide-card span { color: var(--dim); font-size: .9rem; }
.guide-more { margin-top: 2.2rem; }

/* Calculators */
.calc { background: var(--panel); border: 1px solid var(--border-2); border-radius: var(--radius); padding: 1.2rem; margin: 1.4rem 0 2rem; }
.calc-presets { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin-bottom: 1rem; }
.calc-presets-label { color: var(--dim); font-size: .85rem; margin-right: .2rem; }
.chip-btn { font: inherit; font-size: .85rem; font-weight: 600; padding: .45rem .9rem; border-radius: 999px; border: 1px solid var(--border-2); background: var(--panel-3); color: var(--text); cursor: pointer; transition: border-color .18s, background .18s; }
.chip-btn:hover { border-color: var(--accent); }
.chip-btn-ghost { background: transparent; color: var(--dim); }
.calc-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .7rem 0; border-bottom: 1px solid var(--border); }
.calc-row:last-child { border-bottom: 0; }
.calc-label strong { display: block; color: var(--text); font-size: .95rem; }
.calc-label span { color: var(--mute); font-size: .8rem; }
.stepper { display: flex; align-items: center; gap: .6rem; flex-shrink: 0; }
.stepper button { width: 2.3rem; height: 2.3rem; border-radius: 10px; border: 1px solid var(--border-2); background: var(--panel-3); color: var(--text); font-size: 1.2rem; line-height: 1; cursor: pointer; transition: border-color .18s; }
.stepper button:hover { border-color: var(--accent); }
.stepper output { min-width: 1.6rem; text-align: center; font-weight: 700; color: var(--text); }
.chip-btn:focus-visible, .stepper button:focus-visible, .calc input:focus-visible, .calc select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.calc-result { margin-top: 1.2rem; padding: 1.1rem 1.2rem; border: 1px solid var(--accent); border-radius: 12px; background: var(--panel-2); }
.calc-kicker { color: var(--dim); font-size: .85rem; margin-bottom: .2rem !important; }
.calc-big { font-family: var(--display); font-size: clamp(1.9rem, 7vw, 2.7rem); line-height: 1.1; color: var(--accent); margin-bottom: .5rem !important; }
.calc-big small { font-size: .45em; color: var(--dim); font-weight: 500; }
.calc-verdict { color: var(--text); font-weight: 600; margin-bottom: .5rem !important; }
.calc-note, .calc-help, .calc-empty { color: var(--dim); font-size: .88rem; margin-bottom: .8rem !important; }
.calc-actions { display: flex; flex-wrap: wrap; gap: .6rem; }
.calc-field { display: grid; gap: .4rem; margin-bottom: 1rem; }
.calc-field label { color: var(--text); font-weight: 600; font-size: .92rem; }
.calc-inline { display: grid; grid-template-columns: 2fr 1fr; gap: .6rem; }
.calc input, .calc select { font: inherit; padding: .7rem .8rem; border-radius: 10px; border: 1px solid var(--border-2); background: var(--panel-3); color: var(--text); width: 100%; }
.calc-subtitle { font-family: var(--display); font-size: 1.05rem; margin: 1.4rem 0 .6rem !important; }

/* Bufferbloat test */
.bb-head { display: flex; align-items: center; flex-wrap: wrap; gap: .8rem 1.2rem; margin-bottom: 1rem; }
.bb-status { margin: 0 !important; color: var(--dim); font-size: .92rem; flex: 1 1 260px; }
.bb-graph { width: 100%; height: 190px; display: block; background: var(--panel-2); border: 1px solid var(--border); border-radius: 12px; margin: .4rem 0 .6rem; }
.bb-graph[hidden], .calc [hidden] { display: none !important; }
.bb-legend { display: flex; flex-wrap: wrap; gap: .4rem 1.1rem; font-size: .82rem; color: var(--dim); margin: 0 0 .6rem !important; }
.bb-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: .4rem; }
.bb-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .7rem; margin: .8rem 0 1rem; }
.bb-card { display: flex; flex-direction: column; gap: .15rem; padding: .8rem .9rem; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; }
.bb-card-label { color: var(--dim); font-size: .82rem; }
.bb-card-val { font-family: var(--display); font-size: 1.7rem; font-weight: 700; line-height: 1.1; }
.bb-card-val small { font-size: .5em; color: var(--dim); font-weight: 500; }
.bb-card-extra { color: var(--mute); font-size: .8rem; }
.calc-result ul { color: var(--dim); margin: 0 0 .8rem; padding-left: 1.2rem; }

/* Cookie banner */
.btn-small { padding: .55rem 1.1rem; font-size: .88rem; border-radius: 10px; }
.cookie-banner { position: fixed; left: var(--gutter); right: var(--gutter); bottom: var(--gutter); z-index: 100; max-width: 760px; margin: 0 auto; display: flex; align-items: center; gap: 1rem 1.5rem; flex-wrap: wrap; padding: 1rem 1.2rem; background: var(--panel-2); border: 1px solid var(--border-2); border-radius: var(--radius); box-shadow: 0 20px 50px -12px rgba(0,0,0,.7); animation: rise .4s var(--ease); }
.cookie-banner p { flex: 1 1 320px; margin: 0; font-size: .88rem; color: var(--dim); }
.cookie-banner p a { color: var(--accent); }
.cookie-banner-actions { display: flex; gap: .6rem; margin-left: auto; }

/* =============================================================
   10. Animation
   ============================================================= */
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(198,255,61,.55); } 70% { box-shadow: 0 0 0 9px rgba(198,255,61,0); } 100% { box-shadow: 0 0 0 0 rgba(198,255,61,0); } }
@keyframes ring { 0% { transform: scale(1); opacity: .4; } 100% { transform: scale(1.12); opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* =============================================================
   11. Responsive
   ============================================================= */
@media (min-width: 720px) {
  .header-nav { display: flex; }
  .score-head { flex-direction: row; text-align: left; gap: 2rem; }
  .metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .games { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .router-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .score-num { font-size: 3.6rem; }
}
@media (min-width: 1000px) {
  .router-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Legal pages */
.legal { max-width: 780px; padding-top: 2.4rem; padding-bottom: 1rem; }
.legal h1 { font-size: clamp(1.7rem, 4.5vw, 2.3rem); letter-spacing: -.025em; margin-bottom: 1.1rem; }
.legal h2 { font-size: 1.1rem; margin: 1.8rem 0 .5rem; }
.legal p { color: var(--dim); margin-bottom: .9rem; }
.legal strong { color: var(--text); }