:root{
  --bg:#07111f;
  --bg-soft:#0c1728;
  --card:#111e31;
  --card-2:#15253b;
  --text:#eef6ff;
  --muted:#9fb0c3;
  --line:rgba(148,163,184,.18);
  --brand:#6ee7d8;
  --brand-2:#8b7cff;
  --good:#2dd4bf;
  --warn:#fbbf24;
  --bad:#fb7185;
  --critical:#ef4444;
  --shadow:0 24px 70px rgba(0,0,0,.24);
  --radius:20px;
  --radius-sm:14px;
  --shell:min(1180px,calc(100% - 32px));
}
html[data-theme="light"]{
  --bg:#f6f9fc;
  --bg-soft:#eef4f8;
  --card:#ffffff;
  --card-2:#f8fbfd;
  --text:#102033;
  --muted:#5d6d7e;
  --line:rgba(15,23,42,.12);
  --shadow:0 22px 60px rgba(40,60,80,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 15% -10%,rgba(139,124,255,.16),transparent 34%),
    radial-gradient(circle at 85% 0%,rgba(110,231,216,.13),transparent 28%),
    var(--bg);
  color:var(--text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.6;
  min-height:100vh;
}
a{color:inherit}
img{max-width:100%}
button,input,select{font:inherit}
.shell{width:var(--shell);margin-inline:auto}
.skip-link{position:fixed;left:16px;top:-70px;background:#fff;color:#111;padding:10px 14px;border-radius:10px;z-index:9999}
.skip-link:focus{top:16px}
.site-header{
  position:sticky;top:0;z-index:50;
  border-bottom:1px solid var(--line);
  background:color-mix(in srgb,var(--bg) 85%,transparent);
  backdrop-filter:blur(18px);
}
.nav{min-height:72px;display:flex;align-items:center;gap:24px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  text-decoration:none;font-weight:850;letter-spacing:-.04em;font-size:20px;white-space:nowrap
}
.brand>span:last-child>span{color:var(--brand)}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;color:#06111c;
  background:linear-gradient(135deg,var(--brand),#8b7cff);
  box-shadow:0 8px 28px rgba(110,231,216,.18)
}
nav{display:flex;align-items:center;gap:18px;margin-left:auto}
nav a{font-size:14px;text-decoration:none;color:var(--muted);font-weight:700}
nav a:hover,nav a:focus{color:var(--text)}
.nav-actions{display:flex;align-items:center;gap:9px}
.kofi,.theme-btn,.ghost-btn,.primary-btn{
  border:1px solid var(--line);border-radius:12px;text-decoration:none;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:42px;padding:0 14px;font-weight:800;cursor:pointer
}
.kofi{font-size:13px;background:var(--card);color:var(--text)}
.theme-btn{width:42px;padding:0;background:var(--card);color:var(--text)}
.primary-btn{
  border:none;background:linear-gradient(135deg,var(--brand),#8b7cff);
  color:#07111f;padding:0 20px;min-height:48px;box-shadow:0 12px 30px rgba(110,231,216,.16)
}
.primary-btn:hover{transform:translateY(-1px)}
.primary-btn.inline{display:inline-flex;width:auto}
.ghost-btn{background:var(--card);color:var(--text);font-size:14px}
.text-link{color:var(--brand);font-weight:800;text-decoration:none}
.hero{padding:82px 0 34px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(290px,.75fr);gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;line-height:1;font-weight:900;letter-spacing:.12em;
  color:var(--brand);text-transform:uppercase;margin-bottom:16px
}
.hero h1,.page-hero h1{
  margin:0;letter-spacing:-.055em;line-height:1.03;font-weight:900;
  font-size:clamp(42px,6vw,76px);max-width:880px
}
.hero h1 span{background:linear-gradient(135deg,var(--brand),#a493ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy{font-size:19px;color:var(--muted);max-width:760px;margin:24px 0}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap}
.hero-badges span{
  padding:8px 11px;border:1px solid var(--line);border-radius:999px;
  color:var(--muted);font-size:13px;background:color-mix(in srgb,var(--card) 70%,transparent)
}
.hero-side{display:flex;justify-content:flex-end}
.mini-score{
  max-width:360px;padding:26px;border:1px solid var(--line);border-radius:28px;
  background:linear-gradient(160deg,color-mix(in srgb,var(--card) 95%,transparent),color-mix(in srgb,var(--brand-2) 8%,var(--card)));
  box-shadow:var(--shadow)
}
.mini-score span{font-size:11px;font-weight:900;letter-spacing:.1em;color:var(--brand)}
.mini-score strong{display:block;font-size:32px;line-height:1.08;margin:14px 0 8px;letter-spacing:-.04em}
.mini-score p{color:var(--muted);margin:0}
.page-hero{padding:68px 0 38px;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(38px,5vw,62px)}
.page-hero p{font-size:18px;color:var(--muted);max-width:840px}
.tool-hero{padding-bottom:30px}
.tool-panel{
  margin:30px 0 52px;padding:28px;display:grid;grid-template-columns:.78fr 1.22fr;gap:32px;
  background:linear-gradient(145deg,var(--card),color-mix(in srgb,var(--card) 86%,var(--brand-2) 14%));
  border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)
}
.tool-panel h2{font-size:32px;margin:0 0 10px;letter-spacing:-.04em}
.tool-panel-copy p{color:var(--muted);margin:0}
.scan-form{display:grid;gap:14px}
.scan-form label{display:grid;gap:7px;font-size:13px;font-weight:800;color:var(--muted)}
.scan-form input,.scan-form select{
  width:100%;border:1px solid var(--line);background:var(--bg-soft);color:var(--text);
  border-radius:12px;padding:13px 14px;outline:none
}
.scan-form input:focus,.scan-form select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(110,231,216,.12)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.optional{font-weight:500;color:var(--muted)}
.form-note{margin:0;color:var(--muted);font-size:12px}
.alert{display:flex;gap:10px;align-items:flex-start;padding:14px 16px;border-radius:14px;margin-top:24px}
.alert.error{border:1px solid rgba(251,113,133,.3);background:rgba(251,113,133,.08)}
.alert.error strong{color:#fb7185}
.report{margin:0 0 64px}
.report-head{
  display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px;
  border:1px solid var(--line);background:var(--card);border-radius:22px
}
.report-head h2{margin:0;font-size:28px;letter-spacing:-.035em}
.report-head p{margin:5px 0 0;color:var(--muted)}
.big-score{
  width:126px;height:126px;border-radius:50%;display:grid;place-items:center;text-align:center;
  border:8px solid var(--line);background:var(--bg-soft)
}
.big-score strong{font-size:38px;line-height:1;display:block}
.big-score span{font-size:10px;color:var(--muted);font-weight:800}
.big-score.good{border-color:rgba(45,212,191,.55)}
.big-score.warn{border-color:rgba(251,191,36,.6)}
.big-score.bad{border-color:rgba(251,113,133,.55)}
.export-row{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0 30px}
.report section{margin-top:34px}
.report h3{font-size:24px;letter-spacing:-.03em;margin:0 0 16px}
.score-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.score-card{border:1px solid var(--line);border-radius:16px;background:var(--card);padding:15px}
.score-card>div:first-child{display:flex;justify-content:space-between;gap:10px;align-items:center}
.score-card span{color:var(--muted);font-size:13px;font-weight:700}
.score-card strong{font-size:24px}
.meter{height:7px;background:var(--bg-soft);border-radius:99px;overflow:hidden;margin-top:10px}
.meter i{display:block;height:100%;background:linear-gradient(90deg,var(--brand-2),var(--brand));border-radius:inherit}
.section{padding:58px 0}
.section-title{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}
.section-title h2,.split h2{font-size:38px;letter-spacing:-.045em;line-height:1.1;margin:0}
.section-title p{color:var(--muted);margin:6px 0 0;max-width:760px}
.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tool-card{
  border:1px solid var(--line);border-radius:18px;background:var(--card);padding:20px;
  transition:transform .18s ease,border-color .18s ease
}
.tool-card:hover{transform:translateY(-3px);border-color:rgba(110,231,216,.4)}
.tool-card-top{display:flex;justify-content:space-between;gap:10px}
.tool-category,.free-pill{
  font-size:10px;font-weight:900;letter-spacing:.08em;text-transform:uppercase
}
.tool-category{color:var(--muted)}
.free-pill{color:var(--brand);border:1px solid rgba(110,231,216,.22);border-radius:999px;padding:3px 7px}
.tool-card h3{font-size:19px;line-height:1.25;margin:15px 0 8px;letter-spacing:-.025em}
.tool-card h3 a{text-decoration:none}
.tool-card p{color:var(--muted);font-size:14px;margin:0 0 16px}
.tool-grid.compact{grid-template-columns:repeat(3,1fr)}
.category-section{margin-bottom:52px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;border-top:1px solid var(--line)}
.split p{color:var(--muted)}
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.check-grid span{border:1px solid var(--line);background:var(--card);padding:11px;border-radius:12px;font-size:14px}
.findings{display:grid;gap:12px}
.finding{
  display:grid;grid-template-columns:78px 1fr;gap:18px;border:1px solid var(--line);
  background:var(--card);border-radius:16px;padding:18px
}
.finding .sev{
  align-self:start;text-align:center;padding:7px 6px;border-radius:999px;
  font-size:10px;font-weight:950;letter-spacing:.08em;border:1px solid var(--line)
}
.finding.critical .sev{color:#fff;background:rgba(239,68,68,.65)}
.finding.high .sev{color:#fb7185;background:rgba(251,113,133,.10)}
.finding.medium .sev{color:#fbbf24;background:rgba(251,191,36,.08)}
.finding.low .sev{color:#7dd3fc;background:rgba(125,211,252,.08)}
.finding.info .sev{color:var(--brand);background:rgba(110,231,216,.08)}
.finding-meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:12px}
.finding-meta code{font-weight:900;color:var(--text)}
.finding h4{font-size:18px;margin:5px 0 8px}
.finding p{margin:6px 0;color:var(--muted);font-size:14px}
.filter-label{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}
.filter-label select{background:var(--card);color:var(--text);border:1px solid var(--line);padding:8px 10px;border-radius:10px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px}
table{width:100%;border-collapse:collapse;background:var(--card);font-size:13px}
th,td{text-align:left;padding:12px 13px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.06em}
td a{color:var(--brand);text-decoration:none;word-break:break-all}
td small{display:block;color:var(--muted);margin-top:3px;max-width:540px}
.limitations,.callout{
  border:1px solid var(--line);border-radius:18px;padding:20px;background:var(--bg-soft)
}
.limitations h3{font-size:18px}
.limitations ul{margin:8px 0 0;padding-left:20px;color:var(--muted)}
.comparison{padding:22px;border:1px solid var(--line);border-radius:20px;background:var(--bg-soft)}
.compare-head{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.compare-head>div{display:grid;gap:3px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}
.compare-head span{color:var(--muted);font-size:11px;text-transform:uppercase;font-weight:800}
.compare-head b{font-size:26px}
.muted{color:var(--muted);font-size:13px}
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.guide-card{border:1px solid var(--line);background:var(--card);border-radius:18px;padding:22px}
.guide-card>span{font-size:10px;color:var(--brand);font-weight:900;letter-spacing:.09em}
.guide-card h2{font-size:23px;line-height:1.2;letter-spacing:-.03em}
.guide-card h2 a{text-decoration:none}
.guide-card p{color:var(--muted)}
.article-shell{max-width:850px;padding:56px 0}
.guide-body>h1{font-size:clamp(38px,6vw,62px);line-height:1.05;letter-spacing:-.05em;margin:4px 0 14px}
.lede{font-size:20px;color:var(--muted);margin-bottom:40px}
.guide-body section{margin:34px 0}
.guide-body h2{font-size:28px;letter-spacing:-.035em;margin-bottom:8px}
.guide-body p{color:var(--muted);font-size:16px}
.supporting{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.site-footer{border-top:1px solid var(--line);margin-top:40px;padding:42px 0 24px;background:color-mix(in srgb,var(--bg-soft) 70%,transparent)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px}
.footer-grid h2{font-size:13px;text-transform:uppercase;letter-spacing:.08em}
.footer-grid p{color:var(--muted);max-width:500px}
.footer-grid>div{display:grid;align-content:start;gap:9px}
.footer-grid a:not(.brand){text-decoration:none;color:var(--muted);font-size:14px}
.footer-brand{margin-bottom:7px}
.footnote{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;color:var(--muted);font-size:12px}
:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 70%,transparent);outline-offset:3px}
[hidden]{display:none!important}
@media (max-width:940px){
  nav{display:none}
  .hero-grid,.tool-panel,.split{grid-template-columns:1fr}
  .hero-side{justify-content:flex-start}
  .mini-score{max-width:none}
  .tool-grid,.tool-grid.compact{grid-template-columns:repeat(2,1fr)}
  .score-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  :root{--shell:min(100% - 22px,1180px)}
  .site-header{position:relative}
  .nav{min-height:64px}
  .kofi{display:none}
  .hero{padding-top:48px}
  .hero h1,.page-hero h1{font-size:40px}
  .hero-copy{font-size:17px}
  .tool-panel{padding:20px;border-radius:20px}
  .form-row,.tool-grid,.tool-grid.compact,.score-grid,.guide-grid,.check-grid,.footer-grid,.compare-head{grid-template-columns:1fr}
  .report-head{align-items:flex-start}
  .big-score{width:105px;height:105px;flex:0 0 auto}
  .finding{grid-template-columns:1fr;gap:8px}
  .finding .sev{justify-self:start}
  .section-title{align-items:flex-start;flex-direction:column}
  .footer-grid{gap:24px}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}
@media print{
  .site-header,.site-footer,.tool-panel,.export-row,.related,.theme-btn,.kofi,.button-row{display:none!important}
  body{background:#fff;color:#111}
  .report{margin:0}
  .report-head,.score-card,.finding,.table-wrap,.limitations,.comparison{background:#fff;color:#111;border-color:#ccc;box-shadow:none}
  .finding p,.muted,.limitations li,.report-head p,td small{color:#444}
  a{color:#111;text-decoration:none}
}

/* Phase 2 */
.scan-form textarea{width:100%;min-height:180px;resize:vertical;border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:14px;padding:14px;font:inherit;line-height:1.5}
.scan-form input[type="file"]{padding:12px;border:1px dashed var(--border);border-radius:12px;background:var(--panel)}
.topic-gap{margin:18px 0;padding:16px;border:1px solid var(--border);border-radius:14px;background:var(--panel-soft)}
.topic-gap h4{margin-top:0}.topic-gap p{margin:.5rem 0;overflow-wrap:anywhere}


/* Phase 3 final */
.skip-link{position:fixed;left:12px;top:10px;z-index:9999;transform:translateY(-160%);padding:10px 14px;border-radius:10px;background:var(--text);color:var(--bg);font-weight:900;text-decoration:none}
.skip-link:focus{transform:translateY(0)}
img{max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
@media (prefers-reduced-data:reduce){.tool-card{transition:none}}