/*
Theme Name: StealthGram
Description: Dark-first quiet-utility theme for StealthGram — private, browser-only Instagram tools.
Author: StealthGram
Version: 1.0
*/

@font-face{font-family:'InterSG';src:url('fonts/inter-latin.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'JBMonoSG';src:url('fonts/jbmono-latin.woff2') format('woff2');font-weight:100 800;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}

/* ---------- tokens: dark default ---------- */
:root{
  --bg:#0E1116; --panel:#161B22; --panel-2:#1C222B; --border:#21262D; --border-2:#2D343E;
  --cyan:#22D3EE; --cyan-dim:#0E7490; --violet:#8B5CF6;
  --green:#34D399; --amber:#FBBF24; --red:#F87171;
  --text:#E6EDF3; --muted:#8B949E;
  --radius:12px; --wrap:1200px;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 4px 14px rgba(0,0,0,.22);
  --shadow-lg:0 8px 30px rgba(0,0,0,.42);
  --sans:'InterSG',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:'JBMonoSG',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --focus:#22D3EE;
}
[data-theme="light"]{
  --bg:#FFFFFF; --panel:#F6F8FA; --panel-2:#EEF1F5; --border:#D6DBE1; --border-2:#C3CAD3;
  --cyan:#0E7490; --cyan-dim:#155E75; --violet:#6D28D9;
  --green:#065F46; --amber:#92400E; --red:#991B1B;
  --text:#0E1116; --muted:#57606A;
  --shadow:0 1px 2px rgba(14,17,22,.05), 0 2px 8px rgba(14,17,22,.05);
  --shadow-lg:0 8px 28px rgba(14,17,22,.10);
  --focus:#0E7490;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16.5px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.2;letter-spacing:-.021em;font-weight:600}
h1{font-size:clamp(1.85rem,3.6vw,2.6rem);font-weight:700;letter-spacing:-.03em}
h2{font-size:clamp(1.35rem,2.3vw,1.72rem);margin-top:2.2em}
h3{font-size:clamp(1.08rem,1.6vw,1.22rem);margin-top:1.7em}
p{margin:0 0 1.15em}
ul,ol{margin:0 0 1.2em;padding-left:1.35em}
li{margin-bottom:.45em}
code,kbd{font-family:var(--mono);font-size:.9em;background:var(--panel-2);padding:.14em .42em;border-radius:5px;border:1px solid var(--border)}
hr{border:0;border-top:1px solid var(--border);margin:2.4em 0}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}
::selection{background:var(--cyan);color:#04212a}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.wrap-read{max-width:760px;margin:0 auto;padding:0 20px}
.section{padding-block:64px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;background:var(--cyan);color:#04212a;padding:12px 20px;z-index:999;font-weight:600}
.skip:focus{left:0}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb, var(--bg) 88%, transparent);border-bottom:1px solid var(--border);backdrop-filter:blur(12px) saturate(1.3)}
.nav{display:flex;align-items:center;gap:14px;height:60px}
.brand{display:inline-flex;align-items:center;gap:9px;color:var(--text);font-weight:700;font-size:1.09rem;letter-spacing:-.028em;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand svg{flex-shrink:0}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:.7rem;font-weight:600;color:var(--green);background:color-mix(in srgb, var(--green) 12%, transparent);border:1px solid color-mix(in srgb, var(--green) 32%, transparent);padding:4px 10px;border-radius:100px;white-space:nowrap}
.pill .dot{width:5px;height:5px;border-radius:50%;background:var(--green);flex-shrink:0}
.nav-spacer{flex:1}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-links > li{position:relative}
.nav-links a,.nav-links button{display:block;padding:7px 11px;font-size:.9rem;font-weight:500;color:var(--muted);background:none;border:0;border-radius:7px;cursor:pointer;font-family:inherit}
.nav-links a:hover,.nav-links button:hover{color:var(--text);background:var(--panel);text-decoration:none}
.nav-links .current > a{color:var(--cyan)}
.has-drop > button{display:flex;align-items:center;gap:5px}
.drop{position:absolute;top:calc(100% + 6px);left:0;min-width:520px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:10px;display:none;grid-template-columns:1fr 1fr;gap:2px}
.has-drop[data-open="true"] .drop{display:grid}
.drop a{display:block;padding:8px 10px;border-radius:8px;color:var(--text);font-size:.87rem;font-weight:500}
.drop a span{display:block;font-size:.75rem;color:var(--muted);font-weight:400;margin-top:1px}
.theme-toggle{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);background:var(--panel);border-radius:8px;cursor:pointer;color:var(--muted);flex-shrink:0}
.theme-toggle:hover{color:var(--text);border-color:var(--border-2)}
.hamburger{display:none;width:38px;height:38px;align-items:center;justify-content:center;border:1px solid var(--border);background:var(--panel);border-radius:8px;cursor:pointer;color:var(--text)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 18px;font-family:inherit;font-size:.92rem;font-weight:600;border-radius:9px;border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,transform .12s;min-height:44px}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--cyan);color:#04212a}
.btn-primary:hover{background:color-mix(in srgb, var(--cyan) 85%, white)}
[data-theme="light"] .btn-primary{color:#fff}
.btn-ghost{background:var(--panel);color:var(--text);border-color:var(--border-2)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-sm{padding:7px 13px;font-size:.83rem;min-height:36px;border-radius:7px}

/* ---------- tool panel ---------- */
.tool-panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin:0 0 2em}
.tool-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 18px;border-bottom:1px solid var(--border);background:var(--panel-2);flex-wrap:wrap}
.tool-head .t{font-family:var(--mono);font-size:.74rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}
.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
.tool-in{padding:22px;border-right:1px solid var(--border)}
.tool-out{padding:22px;background:var(--panel-2);min-height:260px}
.tool-full{padding:22px}

.field{margin-bottom:15px}
.field label{display:block;font-size:.83rem;font-weight:600;color:var(--text);margin-bottom:6px}
.field .hint{font-size:.76rem;color:var(--muted);margin-top:4px}
input[type=text],input[type=number],input[type=email],select,textarea{
  width:100%;padding:10px 12px;background:var(--bg);color:var(--text);
  border:1px solid var(--border-2);border-radius:8px;font-family:inherit;font-size:.94rem;min-height:44px}
input[type=number]{font-family:var(--mono)}
textarea{min-height:120px;resize:vertical;line-height:1.6}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px color-mix(in srgb, var(--cyan) 22%, transparent)}
input[type=range]{width:100%;accent-color:var(--cyan);min-height:auto}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.checks{display:flex;flex-wrap:wrap;gap:8px}
.check{display:inline-flex;align-items:center;gap:7px;padding:8px 12px;background:var(--bg);border:1px solid var(--border-2);border-radius:8px;cursor:pointer;font-size:.86rem;min-height:40px}
.check input{accent-color:var(--cyan);margin:0}
.check:has(input:checked){border-color:var(--cyan);color:var(--cyan)}

/* results */
.result{opacity:0;transition:opacity .15s ease}
.result.on{opacity:1}
.big-num{font-family:var(--mono);font-size:2.6rem;font-weight:700;line-height:1;color:var(--cyan);letter-spacing:-.02em}
.big-num .unit{font-size:1.2rem;color:var(--muted);font-weight:500}
.res-label{font-size:.74rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.verdict{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:100px;font-size:.83rem;font-weight:600;margin-top:12px}
.v-good{background:color-mix(in srgb,var(--green) 14%,transparent);color:var(--green);border:1px solid color-mix(in srgb,var(--green) 34%,transparent)}
.v-ok{background:color-mix(in srgb,var(--amber) 14%,transparent);color:var(--amber);border:1px solid color-mix(in srgb,var(--amber) 34%,transparent)}
.v-low{background:color-mix(in srgb,var(--red) 14%,transparent);color:var(--red);border:1px solid color-mix(in srgb,var(--red) 34%,transparent)}
.err{color:var(--red);font-size:.86rem;margin-top:8px;display:flex;gap:6px;align-items:flex-start}
.stat-row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--border);font-size:.9rem}
.stat-row:last-child{border-bottom:0}
.stat-row .k{color:var(--muted)}
.stat-row .v{font-family:var(--mono);font-weight:600}

/* gauge */
.gauge{margin:16px 0 6px}
.gauge-track{position:relative;height:10px;background:var(--bg);border:1px solid var(--border);border-radius:100px;overflow:visible}
.gauge-fill{position:absolute;left:0;top:0;bottom:0;border-radius:100px;background:linear-gradient(90deg,var(--red),var(--amber),var(--green))}
.gauge-mark{position:absolute;top:-5px;width:3px;height:20px;background:var(--text);border-radius:2px}
.gauge-scale{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.68rem;color:var(--muted);margin-top:6px}

/* bar chart */
.bars{display:flex;align-items:flex-end;gap:4px;height:110px;margin:14px 0 4px}
.bars .bar{flex:1;background:var(--cyan);border-radius:3px 3px 0 0;min-height:2px;position:relative}
.bars .bar.lo{background:var(--red)}
.bars .bar.hi{background:var(--green)}
.bars-x{display:flex;gap:4px;font-family:var(--mono);font-size:.62rem;color:var(--muted)}
.bars-x span{flex:1;text-align:center}

/* copy button + toast */
.copy-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(12px);background:var(--green);color:#04231a;padding:10px 18px;border-radius:9px;font-size:.88rem;font-weight:600;opacity:0;pointer-events:none;transition:opacity .15s,transform .15s;z-index:999}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

/* dropzone */
.drop-zone{border:2px dashed var(--border-2);border-radius:var(--radius);padding:32px 20px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;background:var(--bg)}
.drop-zone:hover,.drop-zone.over{border-color:var(--cyan);background:color-mix(in srgb,var(--cyan) 6%,var(--bg))}
.drop-zone .dz-i{color:var(--muted);margin-bottom:8px}
.drop-zone strong{color:var(--text);display:block;margin-bottom:3px}
.drop-zone small{color:var(--muted)}

/* font/style list */
.style-list{display:flex;flex-direction:column;gap:8px}
.style-row{display:flex;align-items:center;gap:12px;padding:10px 12px;background:var(--bg);border:1px solid var(--border);border-radius:8px}
.style-row .sname{font-family:var(--mono);font-size:.7rem;color:var(--muted);width:96px;flex-shrink:0;text-transform:uppercase;letter-spacing:.05em}
.style-row .sout{flex:1;font-size:1.02rem;word-break:break-word;min-width:0}
.style-row .warn{color:var(--amber);font-size:.72rem;flex-shrink:0}

/* phone frame */
.phone{max-width:300px;margin:0 auto;background:var(--bg);border:2px solid var(--border-2);border-radius:22px;padding:14px 12px;font-size:.86rem}
.phone .ph-user{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.phone .ph-av{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--violet))}
.phone .ph-name{font-weight:600;font-size:.83rem}
.phone .ph-body{white-space:pre-wrap;word-break:break-word;line-height:1.5}
.phone .more{color:var(--muted)}

/* grid planner */
.pg{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--border);border:1px solid var(--border)}
.pg .cell{aspect-ratio:1;background:var(--panel-2);position:relative;overflow:hidden;cursor:grab}
.pg .cell img{width:100%;height:100%;object-fit:cover}
.pg .cell[draggable=true]:active{cursor:grabbing}
.pg .cell .n{position:absolute;top:3px;left:3px;background:rgba(0,0,0,.62);color:#fff;font-family:var(--mono);font-size:.62rem;padding:1px 5px;border-radius:4px}
.pg .cell.sel{outline:2px solid var(--cyan);outline-offset:-2px}

/* heatmap */
.heat{display:grid;grid-template-columns:auto repeat(24,1fr);gap:2px;font-family:var(--mono);font-size:.6rem}
.heat .hh{color:var(--muted);text-align:center;padding-bottom:2px}
.heat .hd{color:var(--muted);padding-right:6px;text-align:right;line-height:1.9}
.heat .hc{aspect-ratio:1;border-radius:2px;background:var(--panel-2)}

/* thumbs */
.thumbs{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.thumb{border:1px solid var(--border);border-radius:8px;overflow:hidden;background:var(--bg);width:92px}
.thumb img{width:100%;display:block}
.thumb .tb{padding:5px;font-family:var(--mono);font-size:.62rem;color:var(--muted);text-align:center}

/* tool cards */
.tool-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tcard{display:block;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;transition:transform .16s,border-color .16s,box-shadow .16s;color:var(--text)}
.tcard:hover{transform:translateY(-2px);border-color:var(--cyan);box-shadow:var(--shadow);text-decoration:none}
.tcard .ti{color:var(--cyan);margin-bottom:10px}
.tcard h3{margin:0 0 5px;font-size:1rem}
.tcard p{margin:0;font-size:.85rem;color:var(--muted);line-height:1.5}
.grp-label{font-family:var(--mono);font-size:.72rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:36px 0 14px;display:flex;align-items:center;gap:10px}
.grp-label::after{content:"";flex:1;height:1px;background:var(--border)}

/* content blocks */
.answer{background:var(--panel);border:1px solid var(--border);border-left:3px solid var(--cyan);border-radius:var(--radius);padding:18px 22px;margin:0 0 1.8em}
.answer p{margin:0;font-size:1.02rem}
.answer .lbl{display:block;font-family:var(--mono);font-size:.68rem;font-weight:600;letter-spacing:.11em;text-transform:uppercase;color:var(--cyan);margin-bottom:8px}
.callout{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;margin:1.7em 0}
.callout h3{margin-top:0}
.callout p:last-child,.callout ul:last-child{margin-bottom:0}
.note{border-left:3px solid var(--amber)}
.formula{font-family:var(--mono);font-size:.9rem;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:14px 16px;margin:1.2em 0;overflow-x:auto;white-space:pre;color:var(--cyan)}
.table-wrap{overflow-x:auto;margin:1.7em 0;border:1px solid var(--border);border-radius:var(--radius)}
table{border-collapse:collapse;width:100%;font-size:.9rem;min-width:460px}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--border)}
th{background:var(--panel-2);font-size:.75rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
tbody tr:last-child td{border-bottom:0}
td.num{font-family:var(--mono)}

.faq details{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:9px}
.faq summary{padding:15px 18px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:flex-start;font-size:.98rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--cyan);font-size:1.3rem;line-height:1;flex-shrink:0}
.faq details[open] summary::after{content:"\2212"}
.faq .a{padding:0 18px 16px;color:var(--muted);font-size:.94rem}
.faq .a p:last-child{margin-bottom:0}

.crumbs{font-size:.8rem;color:var(--muted);padding:14px 0 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0}
.crumbs li{display:flex;gap:6px;align-items:center;margin:0}
.crumbs li+li::before{content:"/";opacity:.45}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--cyan)}

.page-head{padding:34px 0 26px}
.page-head .lede{font-size:1.06rem;color:var(--muted);max-width:62ch;margin:0}

/* blog */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pcard{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column}
.pcard:hover{border-color:var(--cyan)}
.pcard .cat{font-family:var(--mono);font-size:.66rem;letter-spacing:.09em;text-transform:uppercase;color:var(--violet);margin-bottom:9px}
.pcard h3{margin:0 0 7px;font-size:1rem;line-height:1.35}
.pcard h3 a{color:var(--text)}
.pcard h3 a:hover{color:var(--cyan);text-decoration:none}
.pcard .dek{font-size:.86rem;color:var(--muted);flex:1;margin-bottom:.9em}
.pcard .meta{font-family:var(--mono);font-size:.7rem;color:var(--muted)}
.article-body{font-size:1.03rem;line-height:1.72}
.article-body > *{max-width:70ch}
.article-body > .table-wrap,.article-body > .answer,.article-body > .callout,.article-body > .formula,.article-body > .faq{max-width:none}
.byline{display:flex;align-items:center;gap:11px;font-size:.86rem;color:var(--muted);margin-top:16px}
.byline .av{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--violet));display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:700;color:#04212a}
.takeaways{background:var(--panel);border:1px solid var(--border);border-left:3px solid var(--violet);border-radius:var(--radius);padding:20px 24px;margin:2em 0}
.takeaways h3{margin-top:0;font-size:1rem}
.takeaways ul{margin-bottom:0}
.related-tools{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:1.5em 0}

.pagination{display:flex;gap:7px;justify-content:center;margin-top:42px;flex-wrap:wrap}
.pagination .page-numbers{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;padding:0 12px;border:1px solid var(--border);border-radius:8px;background:var(--panel);color:var(--text);font-size:.9rem}
.pagination .page-numbers.current{background:var(--cyan);color:#04212a;border-color:var(--cyan)}

/* footer */
.site-footer{border-top:1px solid var(--border);background:var(--panel);padding:44px 0 22px;margin-top:64px;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.site-footer h4{font-family:var(--mono);font-size:.7rem;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);margin:0 0 12px;font-weight:600}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:7px}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--cyan)}
.foot-about p{color:var(--muted);max-width:34ch;margin-bottom:.9em}
.foot-bottom{border-top:1px solid var(--border);padding-top:18px;color:var(--muted);font-size:.82rem;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.disclaimer{color:var(--muted);font-size:.8rem;max-width:70ch}

/* ---------- home hero + trust row ---------- */
.hero{padding:76px 0 56px;position:relative;overflow:hidden;border-bottom:1px solid var(--border)}
.hero::before{content:"";position:absolute;inset:-40% 30% auto -10%;height:420px;background:radial-gradient(closest-side,rgba(34,211,238,.13),transparent 70%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:-30% -15% auto 45%;height:380px;background:radial-gradient(closest-side,rgba(139,92,246,.13),transparent 70%);pointer-events:none}
.hero .wrap{position:relative}
.hero h1{font-size:clamp(2.1rem,5vw,3.4rem);line-height:1.08;letter-spacing:-.03em;margin:18px 0 0;max-width:19ch}
.hero .lede{font-size:1.08rem;color:var(--muted);max-width:62ch;margin:18px 0 0;line-height:1.65}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}

.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.trust{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.trust svg{color:var(--cyan)}
.trust h3{margin:12px 0 8px;font-size:1.02rem;letter-spacing:-.01em}
.trust p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.62}

.mini-list{list-style:none;padding:0;margin:0}
.mini-list li{margin-bottom:8px;font-size:.92rem}
.mini-list a{color:var(--text)}
.mini-list a:hover{color:var(--cyan)}

.page-head .cat{display:inline-block;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin-bottom:10px}

/* ================================================================
   Tool control vocabulary — shared by all 12 tool modules.
   ================================================================ */

/* segmented control */
.seg{display:inline-flex;background:var(--panel-2);border:1px solid var(--border);border-radius:9px;padding:3px;gap:3px;flex-wrap:wrap}
.seg button{appearance:none;border:0;background:transparent;color:var(--muted);font-family:inherit;font-size:.85rem;font-weight:600;padding:7px 13px;border-radius:6px;cursor:pointer;min-height:34px;transition:background .14s,color .14s}
.seg button:hover{color:var(--text)}
.seg button[aria-pressed="true"]{background:var(--cyan);color:#04212a}
[data-theme="light"] .seg button[aria-pressed="true"]{color:#fff}

/* toggle chips */
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:2px 0}
.chip{appearance:none;display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border-2);background:var(--panel-2);color:var(--text);font-family:inherit;font-size:.8rem;padding:6px 11px;border-radius:999px;cursor:pointer;min-height:32px;transition:border-color .14s,background .14s,color .14s}
.chip:hover{border-color:var(--cyan)}
.chip[aria-pressed="true"]{background:var(--cyan);border-color:var(--cyan);color:#04212a;font-weight:600}
[data-theme="light"] .chip[aria-pressed="true"]{color:#fff}
.chip .x{opacity:.6;font-weight:700}
.chip.mono{font-family:var(--mono);font-size:.76rem}

/* key/value grid */
.kv{display:grid;grid-template-columns:auto 1fr;gap:7px 16px;font-size:.9rem;margin:12px 0}
.kv dt,.kv .k{color:var(--muted)}
.kv dd,.kv .v{margin:0;font-variant-numeric:tabular-nums;text-align:right}

/* compact stat tiles */
.mini{display:grid;grid-template-columns:repeat(auto-fit,minmax(104px,1fr));gap:8px;margin:14px 0}
.mini > div{background:var(--panel-2);border:1px solid var(--border);border-radius:9px;padding:11px 12px}
.mini .n{font-family:var(--mono);font-size:1.18rem;font-weight:600;line-height:1.2;font-variant-numeric:tabular-nums}
.mini .l{font-size:.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;margin-top:3px}
.mini .n.good{color:var(--green)}.mini .n.warn{color:var(--amber)}.mini .n.bad{color:var(--red)}

/* progress bar */
.progress{height:8px;border-radius:999px;background:var(--panel-2);border:1px solid var(--border);overflow:hidden;margin:8px 0}
.progress > i{display:block;height:100%;background:var(--cyan);transition:width .25s}
.progress.warn > i{background:var(--amber)}
.progress.bad > i{background:var(--red)}
.progress.good > i{background:var(--green)}

/* colour key */
.legend{display:flex;flex-wrap:wrap;gap:10px 16px;font-size:.8rem;color:var(--muted);margin:10px 0}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:12px;height:12px;border-radius:3px;display:inline-block;flex-shrink:0;border:1px solid rgba(128,128,128,.3)}

/* copyable monospace output */
.copy-block{font-family:var(--mono);font-size:.82rem;line-height:1.65;background:var(--panel-2);border:1px solid var(--border);border-radius:9px;padding:13px 15px;margin:12px 0;white-space:pre-wrap;word-break:break-word;max-height:340px;overflow:auto}

/* accordion group */
.accordion{border:1px solid var(--border);border-radius:9px;overflow:hidden;margin:12px 0}
.accordion details{border-bottom:1px solid var(--border)}
.accordion details:last-child{border-bottom:0}
.accordion summary{cursor:pointer;padding:11px 14px;font-size:.88rem;font-weight:600;list-style:none;background:var(--panel-2)}
.accordion summary::-webkit-details-marker{display:none}
.accordion summary::after{content:"+";float:right;color:var(--muted);font-weight:400}
.accordion details[open] summary::after{content:"−"}
.accordion .body{padding:12px 14px;font-size:.88rem}

/* slider row */
.range-row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px;margin:6px 0}
.range-row input[type="range"]{width:100%;accent-color:var(--cyan);min-height:32px}
.range-row .val{font-family:var(--mono);font-size:.82rem;color:var(--cyan);min-width:52px;text-align:right;font-variant-numeric:tabular-nums}

.badge{display:inline-block;font-family:var(--mono);font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;padding:3px 7px;border-radius:5px;background:var(--panel-2);border:1px solid var(--border);color:var(--muted);vertical-align:middle}
.badge.good{color:var(--green);border-color:color-mix(in srgb,var(--green) 40%,transparent)}
.badge.warn{color:var(--amber);border-color:color-mix(in srgb,var(--amber) 40%,transparent)}
.badge.bad{color:var(--red);border-color:color-mix(in srgb,var(--red) 40%,transparent)}

/* small caveat block inside a tool or an article */
.tool-note{font-size:.84rem;color:var(--muted);line-height:1.6;border-left:2px solid var(--border-2);padding:2px 0 2px 12px;margin:12px 0}
.tool-note strong{color:var(--text)}

.spark{display:block;width:100%;height:52px;margin:8px 0}
.spark path{fill:none;stroke:var(--cyan);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.spark .area{fill:color-mix(in srgb,var(--cyan) 16%,transparent);stroke:none}

/* ================================================================
   Pillar pages: sticky table of contents
   ================================================================ */
.pillar-grid{display:grid;grid-template-columns:240px minmax(0,1fr);gap:44px;align-items:start}
.toc{position:sticky;top:82px;max-height:calc(100vh - 110px);overflow-y:auto;font-size:.86rem;border-left:1px solid var(--border);padding-left:16px}
.toc h2{font-family:var(--mono);font-size:.68rem;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);margin:0 0 12px;font-weight:600}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:toc}
.toc li{margin-bottom:9px;line-height:1.45}
.toc a{color:var(--muted);display:block;border-left:2px solid transparent;margin-left:-18px;padding-left:16px}
.toc a:hover{color:var(--text)}
.toc a.on{color:var(--cyan);border-left-color:var(--cyan)}
.toc .back{margin-top:18px;padding-top:14px;border-top:1px solid var(--border);font-size:.82rem}

.article-body h2{scroll-margin-top:90px}
.article-body h3{scroll-margin-top:90px}

/* "part of" rail linking a tool up to its pillar */
.part-of{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--panel);border:1px solid var(--border);border-left:3px solid var(--violet);border-radius:var(--radius);padding:13px 17px;margin:0 0 2em;font-size:.9rem}
.part-of .l{font-family:var(--mono);font-size:.66rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}

/* long-form extras */
.steps{counter-reset:s;list-style:none;padding:0;margin:1.6em 0}
.steps > li{counter-increment:s;position:relative;padding-left:44px;margin-bottom:18px}
.steps > li::before{content:counter(s);position:absolute;left:0;top:-1px;width:29px;height:29px;border-radius:50%;background:var(--panel-2);border:1px solid var(--border-2);color:var(--cyan);font-family:var(--mono);font-size:.8rem;font-weight:600;display:flex;align-items:center;justify-content:center}
.checklist{list-style:none;padding:0;margin:1.4em 0}
.checklist li{position:relative;padding-left:28px;margin-bottom:10px}
.checklist li::before{content:"";position:absolute;left:4px;top:.55em;width:9px;height:5px;border-left:2px solid var(--green);border-bottom:2px solid var(--green);transform:rotate(-45deg)}
/* ---------- responsive ---------- */
@media (max-width:1024px){
  .tool-cards,.post-grid,.related-tools{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .drop{min-width:380px;grid-template-columns:1fr}
}
@media (max-width:860px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .nav-open .nav-links{display:flex;flex-direction:column;align-items:stretch;position:absolute;top:60px;left:0;right:0;background:var(--panel);border-bottom:1px solid var(--border);padding:10px;gap:2px;max-height:calc(100vh - 60px);overflow-y:auto}
  .nav-open .drop{position:static;display:grid;grid-template-columns:1fr;border:0;box-shadow:none;padding:2px 0 6px 12px;min-width:0;background:transparent}
  .tool-grid{grid-template-columns:1fr}
  .tool-in{border-right:0;border-bottom:1px solid var(--border)}
  .section{padding-block:48px}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap,.wrap-read{padding:0 16px}
  .section{padding-block:38px}
  .tool-cards,.post-grid,.related-tools,.foot-grid,.row{grid-template-columns:1fr}
  .tool-in,.tool-out,.tool-full{padding:16px}
  .big-num{font-size:2.1rem}
  .style-row{flex-direction:column;align-items:flex-start;gap:5px}
  .style-row .sname{width:auto}
  .pill{display:none}
  .heat{font-size:.5rem}
  .foot-bottom{flex-direction:column}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .tcard:hover,.btn:hover{transform:none}
  .result{opacity:1;transition:none}
}

/* ---------- responsive re-assert: MUST stay last in this file ---------- */
@media (max-width:1024px){
  .trust-row{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .hero{padding:52px 0 40px}
  .hero h1{max-width:none}
  .hero-cta .btn{width:100%;justify-content:center}
  .trust-row{grid-template-columns:1fr}
  .trust{padding:18px}
}

/* Grid children default to min-width:auto, so a wide child (the 7x24 heatmap,
   a rate table) was sizing the whole column past the viewport — and .tool-panel
   clips with overflow:hidden, so the excess was unreachable rather than scrollable. */
.tool-grid > *,.tool-in,.tool-out,.tool-full{min-width:0}
.tool-out,.tool-full{overflow-x:auto}
.heat .hh,.heat .hd,.heat .hc{min-width:0}
.heat{max-width:100%}

.page-head .meta{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:14px}

/* ---------- responsive re-assert #2: MUST stay last ---------- */
@media (max-width:1024px){
  .pillar-grid{grid-template-columns:1fr;gap:0}
  .toc{position:static;max-height:none;border-left:0;border-bottom:1px solid var(--border);padding:0 0 20px;margin-bottom:26px}
  .toc a{margin-left:0;padding-left:0;border-left:0}
  .toc a.on{border-left:0;text-decoration:underline}
  .toc ol{columns:2;column-gap:26px}
}
@media (max-width:640px){
  .toc ol{columns:1}
  .seg{width:100%}
  .seg button{flex:1}
  .kv{grid-template-columns:1fr;gap:2px 0}
  .kv dd,.kv .v{text-align:left;margin-bottom:8px}
  .range-row{grid-template-columns:1fr}
  .range-row .val{text-align:left}
  .part-of{font-size:.85rem}
}

/* homepage: "check it yourself" devtools mock */
.verify-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:start}
.devtools{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;font-family:var(--mono);font-size:.72rem;box-shadow:var(--shadow)}
.dt-bar{display:flex;align-items:center;gap:6px;padding:9px 12px;background:var(--panel-2);border-bottom:1px solid var(--border)}
.dt-bar span{width:9px;height:9px;border-radius:50%;background:var(--border-2)}
.dt-bar em{margin-left:10px;font-style:normal;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-size:.64rem}
.dt-row{display:grid;grid-template-columns:1fr auto auto;gap:12px;padding:7px 12px;border-bottom:1px solid var(--border);color:var(--text)}
.dt-row span:nth-child(2),.dt-row span:nth-child(3){color:var(--muted);white-space:nowrap}
.dt-head{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.62rem;background:var(--panel-2)}
.dt-idle{padding:12px;text-align:center;color:var(--cyan);border-bottom:1px solid var(--border);font-size:.68rem;letter-spacing:.04em}
.dt-empty{color:var(--muted);font-style:italic;border-bottom:0}

/* ---------- responsive re-assert #3: MUST stay last ---------- */
@media (max-width:900px){
  .verify-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:640px){
  .devtools{font-size:.66rem}
  .dt-row{grid-template-columns:1fr auto;gap:8px}
  .dt-row span:nth-child(2){display:none}
}

/* hero example panel */
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:52px;align-items:center}
.hero-copy{min-width:0}
.hero-art{min-width:0}
.ha-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-lg)}
.ha-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.ha-t{font-family:var(--mono);font-size:.66rem;letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}
.ha-tag{font-family:var(--mono);font-size:.6rem;letter-spacing:.09em;text-transform:uppercase;color:var(--violet);border:1px solid color-mix(in srgb,var(--violet) 45%,transparent);border-radius:5px;padding:2px 7px}
.ha-num{font-family:var(--mono);font-size:2.7rem;font-weight:600;line-height:1;letter-spacing:-.02em}
.ha-num span{font-size:1.1rem;color:var(--muted);margin-left:4px}
.ha-verdict{color:var(--green);font-size:.85rem;font-weight:600;margin-top:9px}
.ha-rows{margin-top:18px;border-top:1px solid var(--border)}
.ha-rows div{display:flex;justify-content:space-between;gap:14px;padding:8px 0;border-bottom:1px solid var(--border);font-size:.84rem}
.ha-rows span{color:var(--muted)}
.ha-rows b{font-family:var(--mono);font-weight:600;font-variant-numeric:tabular-nums}
.ha-bars{display:flex;align-items:flex-end;gap:5px;height:62px;margin-top:18px}
.ha-bars i{flex:1;background:linear-gradient(180deg,var(--cyan),color-mix(in srgb,var(--cyan) 45%,transparent));border-radius:3px 3px 0 0;min-height:3px}
.ha-foot{margin-top:14px;font-size:.72rem;color:var(--muted);font-family:var(--mono)}

/* ---------- responsive re-assert #4: MUST stay last ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-art{max-width:420px}
}
@media (max-width:640px){
  .hero-art{display:none}
}