/* Sonar SEO - frontend design system (mockups). Dark, extends the audit-report visual language.
   Shared shell (sidebar + topbar) + components. Granular hover/interaction states on every surface. */
:root{
  --bg:#0d1117; --panel:#161b22; --panel2:#1c2330; --panel3:#222b3a; --line:#2a3340; --line2:#374357;
  --ink:#e6edf3; --ink2:#c3ccd6; --mut:#9aa7b4; --mut2:#6b7787;
  --accent:#5ca8ff; --accent-ink:#0d1117;
  --green:#3ddc84; --amber:#ffb340; --red:#ff5c5c; --blue:#5ca8ff;
  --crit:#ff5c5c; --warn:#ffb340; --note:#5ca8ff;
  --radius:14px; --radius-sm:9px;
  --shadow:0 8px 30px rgba(0,0,0,.35);
  --sidebar:236px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.2}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---- shell ---- */
.app{display:grid;grid-template-columns:var(--sidebar) 1fr;min-height:100vh}
.sidebar{background:#0b0f16;border-right:1px solid var(--line);padding:20px 14px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:6px}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px;font-weight:800;font-size:19px;letter-spacing:.02em}
.brand .logo{width:30px;height:30px;border-radius:9px;background:radial-gradient(circle at 30% 30%,#7cc0ff,#2f6fd0);display:grid;place-items:center;box-shadow:0 0 0 3px rgba(92,168,255,.15);transition:transform .2s,box-shadow .2s}
.brand:hover .logo{transform:scale(1.06);box-shadow:0 0 0 5px rgba(92,168,255,.22)}
.brand small{display:block;font-size:11px;color:var(--mut);letter-spacing:.16em;text-transform:uppercase;font-weight:700}
.nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:var(--mut);font-weight:600;font-size:14.5px;transition:background .15s,color .15s,transform .15s}
.nav a .i{width:18px;text-align:center;opacity:.9;transition:transform .15s}
.nav a:hover{background:var(--panel);color:var(--ink);transform:translateX(2px)}
.nav a:hover .i{transform:scale(1.18)}
.nav a.active{background:linear-gradient(90deg,rgba(92,168,255,.18),rgba(92,168,255,.05));color:#cfe4ff;box-shadow:inset 2px 0 0 var(--accent)}
.side-foot{margin-top:auto;padding:12px 10px;color:var(--mut2);font-size:12px;border-top:1px solid var(--line)}
.main{min-width:0}
.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:16px;padding:16px 30px;background:rgba(13,17,23,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar h1{font-size:21px}
.crumb{color:var(--mut);font-size:13px}
.search{margin-left:auto;display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:8px 12px;color:var(--mut);min-width:230px;transition:border-color .15s,box-shadow .15s}
.search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(92,168,255,.15)}
.search input{background:none;border:0;outline:0;color:var(--ink);width:100%;font-size:14px}
.content{padding:26px 30px 70px}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line2);background:var(--panel2);color:var(--ink);padding:8px 14px;border-radius:10px;font-weight:600;font-size:14px;cursor:pointer;transition:transform .12s,border-color .15s,background .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);border-color:var(--accent);background:var(--panel3);box-shadow:0 4px 14px rgba(0,0,0,.3)}
.btn:active{transform:translateY(0)}
.btn.primary{background:linear-gradient(180deg,#6cb2ff,#3f83e0);border-color:#6cb2ff;color:#08243f;font-weight:700}
.btn.primary:hover{box-shadow:0 6px 20px rgba(92,168,255,.4)}
.btn.ghost{background:transparent}
.btn.sm{padding:5px 10px;font-size:13px;border-radius:8px}
.btn.danger:hover{border-color:var(--red);box-shadow:0 4px 14px rgba(255,92,92,.25)}

/* ---- generic surfaces ---- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);transition:border-color .18s,transform .18s,box-shadow .18s}
.card:hover{border-color:var(--line2);box-shadow:var(--shadow)}
.section-title{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--mut);font-weight:700;margin:26px 0 12px;display:flex;align-items:center;gap:10px}
.section-title .rule{height:1px;background:var(--line);flex:1}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--panel2);border:1px solid var(--line);color:var(--mut);border-radius:20px;padding:3px 11px;font-size:12.5px;font-weight:600;transition:color .15s,border-color .15s}
.chip:hover{color:var(--ink);border-color:var(--line2)}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block}

/* ---- grade + score ---- */
.grade{font-weight:800}
.g-a{color:var(--green)} .g-b{color:#8fd6a0} .g-c{color:var(--amber)} .g-d{color:#ff9d5c} .g-f{color:var(--red)}
.ring{--v:90;--c:var(--green);width:72px;height:72px;border-radius:50%;display:grid;place-items:center;
  background:conic-gradient(var(--c) calc(var(--v)*1%),var(--panel3) 0);position:relative;transition:transform .2s}
.ring:before{content:"";position:absolute;inset:7px;border-radius:50%;background:var(--panel)}
.ring b{position:relative;font-size:22px;font-weight:800}
.ring small{position:relative;display:block;text-align:center;font-size:11px;color:var(--mut);margin-top:-2px}
.card:hover .ring{transform:scale(1.04)}

/* ---- pillar bars ---- */
.pillars{display:flex;gap:5px;align-items:flex-end;height:34px}
.pillars .pl{flex:1;background:var(--panel3);border-radius:4px 4px 2px 2px;position:relative;overflow:hidden;transition:transform .15s}
.pillars .pl i{position:absolute;left:0;right:0;bottom:0;border-radius:4px;transition:height .3s}
.pillars .pl:hover{transform:scaleY(1.06)}
.pl-legend{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:10px;font-size:12px;color:var(--mut)}
.pl-legend span{display:inline-flex;align-items:center;gap:6px}

/* ---- severity + tier tags ---- */
.sev{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
.sev.crit{color:var(--crit)} .sev.warn{color:var(--warn)} .sev.note{color:var(--note)}
.tag{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:2px 9px;border-radius:6px;border:1px solid currentColor}
.tag.safe{color:var(--green)} .tag.review{color:var(--amber)} .tag.manual{color:var(--mut)}
.tag.low{color:var(--green)} .tag.medium{color:var(--amber)} .tag.high{color:#ff9d5c}
.trend-up{color:var(--green);font-weight:700} .trend-down{color:var(--red);font-weight:700} .trend-flat{color:var(--mut)}

/* ---- tables ---- */
table{width:100%;border-collapse:collapse}
thead th{text-align:left;color:var(--mut);font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;font-weight:700;padding:11px 14px;border-bottom:1px solid var(--line);cursor:pointer;user-select:none;transition:color .15s}
thead th:hover{color:var(--ink)}
tbody td{padding:13px 14px;border-bottom:1px solid var(--line);font-size:14.5px}
tbody tr{transition:background .12s}
tbody tr:hover{background:var(--panel2)}
.cell-grade{font-weight:800;font-size:13px;width:26px;text-align:center;border-radius:6px;padding:2px 0;display:inline-block}

/* ---- stat strip ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{padding:18px 20px}
.stat .k{color:var(--mut);font-size:12.5px;text-transform:uppercase;letter-spacing:.08em;font-weight:600}
.stat .v{font-size:32px;font-weight:800;margin-top:6px}
.stat .sub{font-size:12.5px;color:var(--mut);margin-top:2px}

/* ---- banners ---- */
.banner{display:flex;gap:12px;align-items:flex-start;border-radius:12px;padding:14px 16px;font-size:14px;border:1px solid}
.banner.info{background:rgba(92,168,255,.08);border-color:rgba(92,168,255,.3);color:#cfe4ff}
.banner.gate{background:rgba(255,179,64,.08);border-color:rgba(255,179,64,.3);color:#ffe0b0}
.banner .bi{font-size:18px;line-height:1.2}

/* ---- misc ---- */
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.attn{display:flex;align-items:center;gap:14px;padding:14px 18px;border-left:3px solid var(--crit)}
.attn + .attn{border-top:1px solid var(--line)}
.muted{color:var(--mut)} .small{font-size:13px}
.spark{height:44px;width:100%}
.badge-count{background:var(--panel3);color:var(--mut);border-radius:20px;padding:1px 9px;font-size:12px;font-weight:700}
.toggle{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.toggle button{background:var(--panel);border:0;color:var(--mut);padding:6px 11px;cursor:pointer;font-size:13px;transition:background .15s,color .15s}
.toggle button.on{background:var(--panel3);color:var(--ink)}
.mocknote{position:fixed;bottom:14px;right:16px;background:var(--panel2);border:1px solid var(--line2);color:var(--mut);font-size:12px;padding:6px 12px;border-radius:20px;z-index:20}

/* ---- autonomy ---- */
.autobar{display:flex;align-items:center;gap:14px;background:linear-gradient(90deg,rgba(61,220,132,.10),rgba(61,220,132,.02));border:1px solid rgba(61,220,132,.28);border-radius:12px;padding:12px 16px;margin-bottom:22px;font-size:14px}
.autobar .live{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--green)}
.autobar .pulse{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(61,220,132,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(61,220,132,.5)}70%{box-shadow:0 0 0 7px rgba(61,220,132,0)}100%{box-shadow:0 0 0 0 rgba(61,220,132,0)}}
.autonomy-chip{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:700;color:var(--green);background:rgba(61,220,132,.10);border:1px solid rgba(61,220,132,.3);border-radius:20px;padding:2px 9px}
.autonomy-chip.suggest{color:var(--amber);background:rgba(255,179,64,.10);border-color:rgba(255,179,64,.3)}
.autonomy-chip.monitor{color:var(--mut);background:var(--panel2);border-color:var(--line)}
.seg{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
@media(max-width:820px){.seg{grid-template-columns:repeat(2,1fr)}}
.seg .opt{border:1px solid var(--line);background:var(--panel2);border-radius:12px;padding:16px;cursor:pointer;transition:border-color .15s,transform .15s,box-shadow .15s}
.seg .opt:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.seg .opt.sel{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent),0 6px 18px rgba(92,168,255,.15)}
.seg .opt .lv{font-weight:800;font-size:15px;display:flex;align-items:center;gap:8px}
.seg .opt .ds{color:var(--mut);font-size:12.5px;margin-top:7px;line-height:1.45}
.seg .opt .rec{font-size:10.5px;font-weight:800;color:var(--green);letter-spacing:.05em}
.switch{position:relative;width:40px;height:23px;border-radius:20px;background:var(--panel3);border:1px solid var(--line2);cursor:pointer;transition:background .15s;flex:0 0 auto}
.switch:after{content:"";position:absolute;top:2px;left:2px;width:17px;height:17px;border-radius:50%;background:var(--mut);transition:transform .18s,background .15s}
.switch.on{background:rgba(92,168,255,.35);border-color:var(--accent)}
.switch.on:after{transform:translateX(17px);background:var(--accent)}
.switch.lock{opacity:.6;cursor:not-allowed}
.grow{display:flex;align-items:center;gap:12px;padding:13px 2px;border-bottom:1px solid var(--line)}
.grow .gl{font-weight:600}.grow .gd{color:var(--mut);font-size:12.5px}
.feed .ev{position:relative;padding:0 0 18px 18px;border-left:2px solid var(--line);margin-left:6px}
.feed .ev:last-child{border-left-color:transparent;padding-bottom:0}
.feed .ev:before{content:"";position:absolute;left:-7px;top:2px;width:12px;height:12px;border-radius:50%;background:var(--panel);border:2px solid var(--accent)}
.feed .ev.fix:before{border-color:var(--green)} .feed .ev.warn:before{border-color:var(--amber)}
.feed .ev .t{font-size:12px;color:var(--mut2)}
.feed .ev .m{font-size:14px;margin-top:2px}
.backdrop{position:fixed;inset:0;background:rgba(4,7,12,.62);display:grid;place-items:center;z-index:30}
.modal{width:min(560px,92vw);background:var(--panel);border:1px solid var(--line2);border-radius:16px;box-shadow:0 24px 70px rgba(0,0,0,.6);overflow:hidden}
.modal .mh{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;font-weight:700}
.modal .mb{padding:20px}
.modal .mf{padding:16px 20px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end;background:var(--panel2)}
.diff{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;border-radius:10px;overflow:hidden;border:1px solid var(--line);margin:14px 0}
.diff .row{padding:8px 12px}
.diff .del{background:rgba(255,92,92,.09);color:#ffb3b3}
.diff .add{background:rgba(61,220,132,.09);color:#a9f0c6}
.flow{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12.5px;color:var(--mut)}
.flow b{color:var(--ink);font-weight:600}.flow .arw{color:var(--mut2)}

@media(max-width:900px){.app{grid-template-columns:1fr}.sidebar{display:none}.stats{grid-template-columns:repeat(2,1fr)}}