/* CuentaPalabras — design system. Teal + slate + amber. */
:root{
  --indigo:#0D9488; --indigo-deep:#0F766E; --indigo-ink:#134E4A;
  --indigo-soft:#CCFBF1; --indigo-faint:#F0FDFA;
  --coral:#F59E0B; --coral-deep:#D97706; --coral-soft:#FEF3C7;
  --amber:#F59E0B; --amber-soft:#FEF3C7;
  --green:#1faa6b; --green-soft:#e2f7ec;
  --bg:#FAFAF9; --surface:#ffffff; --surface-2:#F1F5F9;
  --text:#0F172A; --muted:#475569; --faint:#94A3B8;
  --border:#E2E8F0; --border-strong:#CBD5E1;
  --radius:18px; --radius-s:12px;
  --shadow:0 10px 34px rgba(13,148,136,.10);
  --shadow-s:0 4px 14px rgba(13,148,136,.08);
  --font-h:"Plus Jakarta Sans","Inter",system-ui,sans-serif;
  --font-b:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
[data-theme="dark"]{
  --indigo:#2DD4BF; --indigo-deep:#14B8A6; --indigo-ink:#99F6E4;
  --indigo-soft:#134E4A; --indigo-faint:#0B2422;
  --coral:#FBBF24; --coral-deep:#F59E0B; --coral-soft:#451A03;
  --amber:#FBBF24; --amber-soft:#451A03;
  --green:#3ddc97; --green-soft:#14352a;
  --bg:#020617; --surface:#0F172A; --surface-2:#1E293B;
  --text:#F1F5F9; --muted:#94A3B8; --faint:#64748B;
  --border:#1E293B; --border-strong:#334155;
  --shadow:0 10px 34px rgba(0,0,0,.5);
  --shadow-s:0 4px 14px rgba(0,0,0,.4);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-b);background:var(--bg);color:var(--text);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg,canvas,video{max-width:100%}
a{color:var(--indigo);text-decoration:none}
a:hover{text-decoration:underline}
::selection{background:var(--indigo);color:#fff}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header-in{display:flex;align-items:center;gap:14px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-h);font-weight:800;font-size:1.25rem;color:var(--text)}
.brand:hover{text-decoration:none}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--indigo),var(--coral));display:grid;place-items:center;color:#fff;font-weight:800;font-size:.95rem;box-shadow:var(--shadow-s)}
.main-nav{display:flex;gap:2px;margin-left:auto;align-items:center}
.main-nav a{padding:8px 12px;border-radius:10px;font-weight:600;font-size:.92rem;color:var(--muted);white-space:nowrap}
.main-nav a:hover{background:var(--indigo-soft);color:var(--indigo);text-decoration:none}
.main-nav a[aria-current="page"]{background:var(--indigo);color:#fff}
.main-nav a.nav-home{color:var(--text);font-weight:700}
.theme-btn{margin-left:6px;border:1px solid var(--border);background:var(--surface);color:var(--text);width:40px;height:40px;border-radius:12px;cursor:pointer;font-size:1.1rem;display:grid;place-items:center;flex:none;transition:transform .15s}
.theme-btn:hover{transform:rotate(12deg);border-color:var(--indigo)}

/* ---------- hero ---------- */
.hero{padding:44px 0 10px;text-align:center}
.hero h1{font-family:var(--font-h);font-weight:800;font-size:clamp(1.7rem,4.4vw,2.7rem);line-height:1.18;letter-spacing:-.02em;margin-bottom:12px}
.hero h1 .hl{background:linear-gradient(120deg,var(--indigo),var(--coral));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{color:var(--muted);font-size:clamp(1rem,2.2vw,1.15rem);max-width:640px;margin:0 auto 6px}
.hero-badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.badge{background:var(--indigo-soft);color:var(--indigo-deep);font-weight:700;font-size:.8rem;padding:6px 12px;border-radius:999px}
[data-theme="dark"] .badge{color:var(--indigo-ink)}

/* ---------- tool card ---------- */
.tool{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin:26px 0;position:relative;overflow:hidden}
.tool::before{content:"";position:absolute;inset:0 0 auto 0;height:5px;background:linear-gradient(90deg,var(--indigo),var(--coral),var(--amber))}
.tool textarea{width:100%;min-height:230px;resize:vertical;border:2px solid var(--border);border-radius:var(--radius-s);padding:16px;font-family:var(--font-b);font-size:1rem;line-height:1.7;color:var(--text);background:var(--bg);transition:border-color .15s, box-shadow .15s}
.tool textarea:focus{outline:none;border-color:var(--indigo);box-shadow:0 0 0 4px color-mix(in srgb,var(--indigo) 15%,transparent)}
.tool-actions{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 4px;align-items:center}
.btn{border:none;cursor:pointer;font-family:var(--font-h);font-weight:700;font-size:.95rem;padding:11px 18px;border-radius:12px;display:inline-flex;align-items:center;gap:8px;transition:transform .12s, box-shadow .12s, background .12s}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(135deg,var(--indigo),var(--indigo-deep));color:#fff;box-shadow:0 6px 18px rgba(13,148,136,.28)}
.btn-primary:hover{box-shadow:0 8px 24px rgba(13,148,136,.4)}
.btn-coral{background:linear-gradient(135deg,var(--coral),var(--coral-deep));color:#fff;box-shadow:0 6px 18px rgba(255,107,91,.28)}
.btn-ghost{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--indigo);color:var(--indigo)}
.btn-sm{padding:8px 13px;font-size:.85rem;border-radius:10px}
.drop-wrap{position:relative;display:inline-block}
.drop-menu{position:absolute;top:calc(100% + 6px);left:0;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);min-width:190px;z-index:20;overflow:hidden}
.drop-menu button{display:block;width:100%;text-align:left;background:none;border:none;padding:11px 15px;font-size:.9rem;font-weight:600;color:var(--text);cursor:pointer}
.drop-menu button:hover{background:var(--indigo-soft);color:var(--indigo)}
.import-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}

/* stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(128px,1fr));gap:10px;margin:18px 0 6px}
.stat{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-s);padding:14px 12px;text-align:center;transition:transform .15s}
.stat:hover{transform:translateY(-2px)}
.stat .v{font-family:var(--font-h);font-weight:800;font-size:1.55rem;line-height:1.2;color:var(--indigo-deep);display:block}
[data-theme="dark"] .stat .v{color:var(--indigo-ink)}
.stat .v.hero-num{font-size:2rem;background:linear-gradient(120deg,var(--indigo),var(--coral));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{font-size:.78rem;color:var(--muted);font-weight:600;margin-top:2px;display:block}
.stat.pulse .v{animation:pulse .3s}
@keyframes pulse{40%{transform:scale(1.12)}}

/* wpm slider */
.wpm-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-s);padding:12px 16px;margin:12px 0}
.wpm-row label{font-weight:700;font-size:.9rem}
.wpm-row output{font-family:var(--font-h);font-weight:800;color:var(--indigo-deep);min-width:88px}
[data-theme="dark"] .wpm-row output{color:var(--indigo-ink)}
input[type=range]{-webkit-appearance:none;appearance:none;flex:1;min-width:140px;height:8px;border-radius:99px;background:linear-gradient(90deg,var(--indigo),var(--coral));outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid var(--indigo);cursor:pointer;box-shadow:var(--shadow-s)}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#fff;border:3px solid var(--indigo);cursor:pointer}

/* goal + stopwatch */
.extras{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px;margin:14px 0}
.extra-card{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-s);padding:16px}
.extra-card h3{font-family:var(--font-h);font-size:1rem;margin-bottom:10px}
.goal-flex{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.ring{width:86px;height:86px;flex:none;transform:rotate(-90deg)}
.ring .bg{stroke:var(--border);fill:none;stroke-width:9}
.ring .fg{stroke:url(#goalGrad);fill:none;stroke-width:9;stroke-linecap:round;transition:stroke-dashoffset .5s}
.ring text{transform:rotate(90deg);transform-origin:center;font-family:var(--font-h);font-weight:800;font-size:15px;fill:var(--text)}
.goal-input{display:flex;gap:8px;margin-top:4px}
.goal-input input{width:110px;padding:9px 12px;border:2px solid var(--border);border-radius:10px;font-size:.95rem;background:var(--surface);color:var(--text)}
.goal-msg{font-weight:700;color:var(--green);margin-top:8px;min-height:1.4em}
.stopwatch{font-family:var(--font-h);font-weight:800;font-size:2rem;letter-spacing:.03em}
.sw-btns{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.sw-meta{color:var(--muted);font-size:.88rem;margin-top:8px;min-height:1.4em}

/* char toggles */
.toggles{display:flex;flex-wrap:wrap;gap:14px;margin:12px 0}
.toggle{display:flex;align-items:center;gap:8px;font-weight:600;font-size:.9rem;cursor:pointer;user-select:none}
.toggle input{appearance:none;width:44px;height:24px;border-radius:99px;background:var(--border-strong);position:relative;cursor:pointer;transition:background .15s;flex:none}
.toggle input:checked{background:var(--indigo)}
.toggle input::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:left .15s;box-shadow:0 1px 4px rgba(0,0,0,.25)}
.toggle input:checked::after{left:23px}

/* tabs */
.tabs{margin-top:16px}
.tab-list{display:flex;gap:6px;overflow-x:auto;border-bottom:2px solid var(--border);scrollbar-width:thin}
.tab-btn{background:none;border:none;font-family:var(--font-h);font-weight:700;font-size:.93rem;color:var(--muted);padding:12px 16px;cursor:pointer;white-space:nowrap;border-bottom:3px solid transparent;margin-bottom:-2px}
.tab-btn[aria-selected="true"]{color:var(--indigo);border-bottom-color:var(--coral)}
.tab-panel{padding:18px 4px;display:none}
.tab-panel.active{display:block;animation:fadein .25s}
@keyframes fadein{from{opacity:0;transform:translateY(6px)}}

/* limit bars */
.limit{margin:12px 0}
.limit-head{display:flex;justify-content:space-between;font-size:.88rem;font-weight:600;margin-bottom:6px;gap:8px}
.limit-count{font-variant-numeric:tabular-nums;color:var(--muted)}
.limit-track{height:12px;border-radius:99px;background:var(--border);overflow:hidden}
.limit-fill{height:100%;border-radius:99px;background:var(--indigo);transition:width .25s, background .25s;width:0%}
.limit.ok .limit-fill{background:var(--green)}
.limit.warn .limit-fill{background:var(--amber)}
.limit.over .limit-fill{background:var(--coral)}
.limit.over .limit-count{color:var(--coral);font-weight:700}

/* density table */
.dens-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-s)}
table.dens{width:100%;border-collapse:collapse;font-size:.92rem;min-width:420px}
table.dens th{background:var(--indigo-soft);color:var(--indigo-deep);text-align:left;padding:10px 14px;font-family:var(--font-h);font-size:.82rem;text-transform:uppercase;letter-spacing:.04em}
[data-theme="dark"] table.dens th{color:var(--indigo-ink)}
table.dens td{padding:9px 14px;border-top:1px solid var(--border)}
table.dens tbody tr{cursor:pointer}
table.dens tbody tr:hover{background:var(--indigo-faint)}
table.dens .bar{height:8px;border-radius:99px;background:linear-gradient(90deg,var(--indigo),var(--coral))}
.dens-empty{padding:22px;text-align:center;color:var(--muted)}
.highlight-panel{margin-top:14px;border:2px dashed var(--indigo);border-radius:var(--radius-s);padding:16px;background:var(--indigo-faint);max-height:260px;overflow:auto;line-height:1.8}
.highlight-panel mark{background:var(--amber);border-radius:4px;padding:1px 3px}
.highlight-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-weight:700}

/* readability */
.read-flex{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.read-score{width:130px;height:130px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--indigo) calc(var(--p)*1%), var(--border) 0);flex:none;position:relative}
.read-score::before{content:"";position:absolute;inset:12px;border-radius:50%;background:var(--surface)}
.read-score b{position:relative;font-family:var(--font-h);font-size:1.9rem}
.read-label{font-family:var(--font-h);font-weight:800;font-size:1.2rem;color:var(--indigo-deep)}
[data-theme="dark"] .read-label{color:var(--indigo-ink)}
.read-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:14px}
.read-stat{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:10px 14px;font-size:.88rem}
.read-stat b{display:block;font-size:1.15rem;font-family:var(--font-h)}

/* serp preview */
.serp-inputs{display:grid;gap:10px;margin-bottom:14px}
.serp-inputs label{font-weight:700;font-size:.88rem}
.serp-inputs input,.serp-inputs textarea{width:100%;padding:11px 14px;border:2px solid var(--border);border-radius:10px;font-family:var(--font-b);font-size:.95rem;background:var(--surface);color:var(--text)}
.serp-inputs input:focus,.serp-inputs textarea:focus{outline:none;border-color:var(--indigo)}
.serp-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;max-width:600px}
[data-theme="dark"] .serp-card{background:#fff}
.serp-url{color:#1a0dab;font-size:.82rem}
.serp-title{color:#1a0dab;font-size:1.15rem;font-weight:400;margin:2px 0}
.serp-title:hover{text-decoration:underline}
.serp-desc{color:#4d5156;font-size:.88rem;line-height:1.5}
.serp-warn{margin-top:10px;font-size:.88rem;font-weight:600;color:var(--coral-deep)}
.serp-ok{margin-top:10px;font-size:.88rem;color:var(--green);font-weight:600}

/* dropzone */
.dropzone{border:2.5px dashed var(--border-strong);border-radius:var(--radius);padding:34px 20px;text-align:center;background:var(--indigo-faint);cursor:pointer;transition:border-color .15s, background .15s;margin:14px 0}
.dropzone:hover,.dropzone.drag{border-color:var(--indigo);background:var(--indigo-soft)}
.dropzone .dz-icon{font-size:2.4rem;display:block;margin-bottom:8px}
.dropzone b{font-family:var(--font-h);font-size:1.05rem}
.dropzone p{color:var(--muted);font-size:.9rem;margin-top:4px}
.dz-progress{height:10px;border-radius:99px;background:var(--border);margin-top:12px;overflow:hidden;display:none}
.dz-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--indigo),var(--coral));transition:width .2s}
.dz-status{font-size:.88rem;color:var(--muted);margin-top:8px;min-height:1.3em}

/* wpm test */
.wpm-ref{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-s);padding:16px;line-height:1.9;margin:12px 0;font-size:1.02rem}
.wpm-ref .done{color:var(--green)}
.wpm-ref .current{background:var(--amber-soft);border-radius:4px}
.wpm-result{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin-top:12px}
.wpm-box{background:linear-gradient(135deg,var(--indigo-soft),var(--coral-soft));border-radius:var(--radius-s);padding:14px;text-align:center}
.wpm-box b{font-family:var(--font-h);font-size:1.7rem;display:block}
.wpm-box span{font-size:.82rem;color:var(--muted);font-weight:600}

/* feedback */
.feedback{margin-top:18px;text-align:center;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-s);padding:16px}
.feedback p{font-weight:700;margin-bottom:10px}
.feedback .fb-btns{display:flex;gap:10px;justify-content:center}
.fb-thanks{color:var(--green);font-weight:700}

/* mini bar */
.mini-bar{position:fixed;left:0;right:0;bottom:0;z-index:55;background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(10px);border-top:1px solid var(--border);transform:translateY(110%);transition:transform .25s}
.mini-bar.show{transform:none}
.mini-in{max-width:1120px;margin:0 auto;padding:10px 20px;display:flex;gap:18px;align-items:center;justify-content:center;flex-wrap:wrap;font-size:.9rem;font-weight:700}
.mini-in b{font-family:var(--font-h);color:var(--indigo-deep)}
[data-theme="dark"] .mini-in b{color:var(--indigo-ink)}

/* toast */
.toast{position:fixed;bottom:76px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--indigo-ink);color:#fff;font-weight:600;font-size:.9rem;padding:12px 20px;border-radius:12px;opacity:0;pointer-events:none;transition:opacity .2s, transform .2s;z-index:90;max-width:92vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%)}
#confetti{position:fixed;inset:0;pointer-events:none;z-index:100}

/* ---------- guide content ---------- */
.guide{max-width:820px;margin:34px auto 0}
.guide h2{font-family:var(--font-h);font-weight:800;font-size:1.5rem;margin:34px 0 12px;letter-spacing:-.01em}
.guide h3{font-family:var(--font-h);font-weight:700;font-size:1.15rem;margin:24px 0 8px}
.guide p{margin:0 0 14px;color:var(--text)}
.guide ul,.guide ol{margin:0 0 16px 22px}
.guide li{margin-bottom:8px}
.guide table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.93rem;display:block;overflow-x:auto}
.guide th,.guide td{border:1px solid var(--border);padding:10px 12px;text-align:left;white-space:nowrap}
.guide th{background:var(--indigo);color:#fff;font-family:var(--font-h)}
.guide tr:nth-child(even) td{background:var(--surface-2)}
.keyfact{background:linear-gradient(135deg,var(--indigo-soft),var(--amber-soft));border:1px solid var(--border-strong);border-left:5px solid var(--coral);border-radius:var(--radius-s);padding:16px 18px;margin:20px 0}
.keyfact b{font-family:var(--font-h)}
.steps{display:grid;gap:12px;margin:16px 0}
.step{display:flex;gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-s);padding:14px 16px;box-shadow:var(--shadow-s)}
.step .n{flex:none;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--indigo),var(--coral));color:#fff;font-family:var(--font-h);font-weight:800;display:grid;place-items:center}
.step p{margin:0}

/* reviewer box */
.reviewer{display:flex;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-s);padding:16px;margin:26px auto;max-width:820px;box-shadow:var(--shadow-s)}
.reviewer .avatar{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--indigo),var(--coral));color:#fff;display:grid;place-items:center;font-family:var(--font-h);font-weight:800;font-size:1.2rem;flex:none}
.reviewer .who{font-size:.9rem;color:var(--muted)}

/* faq */
.faq{max-width:820px;margin:10px auto 0}
.faq h2{font-family:var(--font-h);font-size:1.5rem;margin-bottom:14px}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-s);margin-bottom:10px;overflow:hidden}
.faq summary{cursor:pointer;padding:15px 18px;font-weight:700;font-family:var(--font-h);font-size:.98rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--coral);flex:none;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details .a{padding:0 18px 16px;color:var(--muted)}

/* related grid */
.related{margin:40px 0 10px}
.related h2{font-family:var(--font-h);font-size:1.4rem;margin-bottom:16px;text-align:center}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.rel-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-s);padding:18px;transition:transform .15s, box-shadow .15s;display:block;color:var(--text)}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);text-decoration:none;border-color:var(--indigo)}
.rel-card .e{font-size:1.6rem}
.rel-card b{font-family:var(--font-h);display:block;margin:8px 0 4px}
.rel-card span{font-size:.86rem;color:var(--muted)}

/* embed */
.embed{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin:30px auto;max-width:820px;box-shadow:var(--shadow-s)}
.embed h2{font-family:var(--font-h);font-size:1.25rem;margin-bottom:8px}
.embed textarea{width:100%;min-height:86px;font-family:monospace;font-size:.8rem;padding:12px;border:2px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text);margin:10px 0}

/* footer */
.site-footer{margin-top:56px;border-top:1px solid var(--border);background:var(--surface);padding-bottom:64px}
.foot-grid{display:grid;grid-template-columns:1.2fr 2fr;gap:30px;padding:36px 0 20px}
.foot-brand p{color:var(--muted);font-size:.92rem;margin-top:10px;max-width:320px}
.foot-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:18px}
.foot-links h4{font-family:var(--font-h);font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--faint);margin-bottom:10px}
.foot-links a{display:block;color:var(--muted);font-size:.92rem;padding:4px 0}
.foot-links a:hover{color:var(--indigo)}
.foot-base{border-top:1px solid var(--border);padding:16px 0;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:.85rem;color:var(--faint)}

/* lang toggle */
.lang-toggle{display:inline-flex;border:1px solid var(--border);border-radius:99px;overflow:hidden;margin-left:8px}
.lang-toggle button{border:none;background:transparent;padding:8px 14px;font-weight:700;font-size:.85rem;color:var(--muted);cursor:pointer}
.lang-toggle button.on{background:var(--indigo);color:#fff}

/* responsive */
@media(max-width:720px){
  .tool{padding:16px}
  .extras{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .main-nav a{padding:8px 9px;font-size:.85rem}
  .hero{padding:30px 0 6px}
}
@media(max-width:400px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .btn{padding:10px 14px;font-size:.88rem}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
}

/* ================= round 2: header nav dropdown ================= */
.nav-drop-wrap{position:relative}
.nav-drop-btn{display:flex;align-items:center;gap:6px;padding:8px 12px;border-radius:10px;font-weight:600;font-size:.92rem;color:var(--muted);background:none;border:0;cursor:pointer;white-space:nowrap;font-family:var(--font-b)}
.nav-drop-btn:hover{background:var(--indigo-soft);color:var(--indigo-deep)}
.nav-drop-btn .caret{font-size:.7rem}
.nav-drop{position:absolute;top:calc(100% - 2px);left:0;width:min(560px,90vw);max-height:70vh;overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:10px;display:none;grid-template-columns:1fr 1fr;gap:4px;z-index:80}
/* visibility via .open class ONLY (no hidden attribute on this menu): hover + focus-within + click-toggle all work, nothing fights */
.nav-drop-wrap:hover .nav-drop,
.nav-drop-wrap:focus-within .nav-drop,
.nav-drop.open{display:grid}
.nav-tool{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border-radius:12px;color:var(--text)}
.nav-tool:hover{background:var(--indigo-soft);text-decoration:none}
.nav-tool .e{font-size:1.25rem;line-height:1.2}
.nav-tool .t b{display:block;font-size:.88rem}
.nav-tool .t small{color:var(--muted);font-size:.76rem;line-height:1.35;display:block}
.nav-tool[aria-current="page"]{background:var(--indigo-soft)}
[hidden]{display:none!important}
/* ================= round 2: hamburger + drawer ================= */
.hamburger{display:none;flex-direction:column;gap:5px;justify-content:center;align-items:center;width:42px;height:40px;border:1px solid var(--border);background:var(--surface);border-radius:12px;cursor:pointer;flex:none}
.hamburger span{display:block;width:20px;height:2.5px;border-radius:2px;background:var(--text)}
.drawer-scrim{position:fixed;inset:0;background:rgba(2,6,23,.5);z-index:90;opacity:0;transition:opacity .2s}
.drawer-scrim:not([hidden]){opacity:1}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(340px,88vw);background:var(--surface);z-index:95;transform:translateX(102%);transition:transform .25s ease;overflow-y:auto;padding:18px;box-shadow:var(--shadow)}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-head button{border:1px solid var(--border);background:var(--surface);color:var(--text);width:36px;height:36px;border-radius:10px;cursor:pointer;font-size:1rem}
.drawer-sec{font-size:.75rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:14px 0 8px}
.drawer-tools{display:grid;gap:2px}
.drawer-tools .nav-tool{padding:8px 10px}
.drawer-pages{display:grid;gap:2px}
.drawer-pages a{padding:9px 10px;border-radius:10px;font-weight:600;color:var(--text);font-size:.92rem}
.drawer-pages a:hover{background:var(--indigo-soft);text-decoration:none}
.drawer-theme{display:flex;align-items:center;gap:10px;width:100%;margin-top:16px;padding:11px 12px;border:1px solid var(--border);background:var(--surface);border-radius:12px;cursor:pointer;font-weight:700;font-size:.92rem;color:var(--text);font-family:var(--font-b)}
.drawer-theme:hover{border-color:var(--indigo)}
/* ================= round 2: layout refinements ================= */
.hero-compact{padding:26px 0 4px}
.related-top{margin:6px 0 30px}
.related-top h2{font-size:1.25rem;margin-bottom:12px}
.mini-table{width:100%;border-collapse:collapse;font-size:.9rem}
.mini-table th,.mini-table td{padding:9px 10px;border-bottom:1px solid var(--border);text-align:left}
.mini-table th{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.mini-table tbody tr:hover{background:var(--indigo-soft)}
@media(max-width:900px){
  .main-nav{display:none}
  .hamburger{display:flex;flex:none}
  .header-in{gap:8px;flex-wrap:nowrap}
  .brand{min-width:0;font-size:1.05rem;gap:8px}
  .brand-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
  .brand-mark{width:30px;height:30px;font-size:.85rem;flex:none}
  .theme-btn{margin-left:auto;flex:none}
  .nav-drop{grid-template-columns:1fr}
}