*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
    --bg:#F9F9F9;
    --surface:#FFFFFF;
    --primary:#0052FF;
    --text:#0A0A0A;
    --muted:#6B7280;
    --border:#E4E4E4;
    --radius:0px;
}
html{scroll-behavior:smooth}
body{
    font-family:'Inter',system-ui,sans-serif;
    background:var(--bg);
    background-image:radial-gradient(circle,#E0E0E0 1px,transparent 1px);
    background-size:24px 24px;
    color:var(--text);
    line-height:1.6;
    min-height:100vh;
}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* HEADER */
.header{
    background:var(--surface);
    border-bottom:1px solid var(--border);
    position:sticky;top:0;z-index:200;
}
.nav{
    display:flex;align-items:center;gap:32px;
    max-width:1200px;margin:0 auto;padding:0 24px;
    height:60px;
}
.logo{font-size:20px;font-weight:800;color:var(--text);text-decoration:none;letter-spacing:-.5px;white-space:nowrap}
.logo span{color:var(--primary)}
.nav-links{display:flex;gap:24px;list-style:none;margin-left:0}
.nav-links a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:500;transition:color .15s}
.nav-links a:hover{color:var(--text)}
.nav-center{flex:1;max-width:400px}
.search-wrap{position:relative;width:100%}
.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);width:16px;height:16px;pointer-events:none}
#tool-search{
    width:100%;padding:9px 12px 9px 36px;
    border:1px solid var(--border);border-radius:0;
    font-size:14px;outline:none;background:var(--bg);
    color:var(--text);font-family:inherit;
    transition:border-color .15s;
}
#tool-search:focus{border-color:var(--text);background:#fff}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;font-size:14px;font-weight:600;border:none;border-radius:0;cursor:pointer;text-decoration:none;font-family:inherit;transition:background .15s,color .15s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:#003DD6}
.btn-nav{background:transparent;border:1px solid var(--text);color:var(--text);padding:8px 16px}
.btn-nav:hover{background:var(--text);color:#fff}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px;margin-left:auto}
.hamburger span{display:block;width:22px;height:2px;background:var(--text)}

/* AD SLOTS */
.ad-slot{display:flex;align-items:center;justify-content:center;padding:8px 0;background:var(--surface);border-bottom:1px solid var(--border)}
.ad-ph{background:var(--bg);border:1px dashed var(--border);color:var(--muted);font-size:11px;letter-spacing:.5px;display:flex;align-items:center;justify-content:center;min-height:90px;width:100%;max-width:728px;padding:8px;text-align:center;font-family:monospace}
.ad-sq{max-width:300px;min-height:250px}

/* HERO */
.hero{background:var(--surface);border-bottom:1px solid var(--border);padding:64px 0}
.hero-label{font-size:11px;font-weight:700;letter-spacing:2px;color:var(--muted);text-transform:uppercase;margin-bottom:20px}
.hero h1{font-size:clamp(36px,6vw,72px);font-weight:900;line-height:1.05;letter-spacing:-2px;margin-bottom:16px}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:32px}
.hero-search-row{display:flex;gap:12px;align-items:stretch;max-width:560px}
.hero-search-row .search-wrap{flex:1}
.hero-search-row #tool-search{padding:13px 12px 13px 40px;font-size:15px;border:1.5px solid var(--border)}
.hero-search-row .search-icon{width:18px;height:18px}
.hero-search-row #tool-search:focus{border-color:var(--text)}
.hero-search-row .btn{font-size:15px;padding:13px 24px}

/* STATS BAR */
.stats-bar{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.stats-inner{display:flex;align-items:center;height:60px}
.stat{display:flex;align-items:center;gap:10px;flex:1;padding:0 24px}
.sn{font-size:22px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums}
.sl{font-size:12px;font-weight:500;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.sdiv{width:1px;height:32px;background:var(--border)}

/* TOOLS SECTION */
.tools-section{padding:48px 0 80px}
.tools-header{margin-bottom:28px}
.cat-bar{display:flex;gap:0;border:1px solid var(--border);width:fit-content;background:var(--surface)}
.cat{
    padding:8px 20px;border:none;border-right:1px solid var(--border);
    background:transparent;font-size:13px;font-weight:600;cursor:pointer;
    color:var(--muted);font-family:inherit;transition:background .15s,color .15s;
    white-space:nowrap;
}
.cat:last-child{border-right:none}
.cat:hover{background:var(--bg);color:var(--text)}
.cat.active{background:var(--text);color:#fff}

/* TOOL CARDS */
.tools-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--border)}
.tool-card{
    background:var(--surface);
    border-right:1px solid var(--border);
    border-bottom:1px solid var(--border);
    padding:24px;display:flex;flex-direction:column;gap:10px;
    cursor:pointer;position:relative;
    transition:border-left-color .1s;
    border-left:3px solid transparent;
}
.tool-card:nth-child(4n){border-right:none}
.tool-card:not(.coming):not(.ad-card):hover{border-left-color:var(--primary);background:#FAFBFF}
.tool-card.active{border-left-color:var(--primary);background:#F0F4FF}
.tool-card.coming{opacity:.55;cursor:default}
.tc-icon{font-size:22px;font-weight:800;color:var(--primary);line-height:1;font-family:'Inter',monospace}
.tool-card h3{font-size:14px;font-weight:700;color:var(--text);margin:0}
.tool-card p{font-size:13px;color:var(--muted);line-height:1.5;flex:1;margin:0}
.tc-btn{
    display:inline-flex;align-items:center;padding:7px 14px;
    background:transparent;border:1px solid var(--border);
    font-size:12px;font-weight:600;cursor:pointer;font-family:inherit;
    color:var(--text);transition:all .15s;margin-top:4px;align-self:flex-start;
    border-radius:0;
}
.tc-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.soon{display:inline-block;padding:4px 8px;background:var(--bg);border:1px solid var(--border);font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin-top:4px}
.ad-card{cursor:default;border-left:none!important;background:var(--bg)!important}
.ad-card:hover{background:var(--bg)!important}
.no-results{padding:48px;text-align:center;color:var(--muted);font-size:15px}
.no-results button{color:var(--primary);background:none;border:none;cursor:pointer;font:inherit;text-decoration:underline}

/* WORKSPACE */
.workspace{background:var(--surface);border-top:2px solid var(--primary);border-bottom:1px solid var(--border);padding:40px 0}
.ws-ad{margin-bottom:24px}
.ws-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.ws-header h2{font-size:20px;font-weight:800;color:var(--text)}
.ws-close{background:none;border:1px solid var(--border);border-radius:0;padding:7px 14px;cursor:pointer;font-size:13px;font-weight:600;color:var(--muted);font-family:inherit;transition:all .15s}
.ws-close:hover{border-color:var(--text);color:var(--text)}
.ws-body{}

/* TOOL UI */
.tool-row{display:flex;gap:20px;align-items:flex-start;flex-wrap:wrap}
.tool-col{flex:1;min-width:240px}
.tool-label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin-bottom:8px}
.tool-textarea{width:100%;padding:12px;border:1px solid var(--border);border-radius:0;font-size:14px;font-family:'JetBrains Mono','Courier New',monospace;resize:vertical;outline:none;min-height:160px;transition:border-color .15s;background:var(--bg)}
.tool-textarea:focus{border-color:var(--text);background:#fff}
.tool-input{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:0;font-size:14px;outline:none;font-family:inherit;transition:border-color .15s;background:var(--bg)}
.tool-input:focus{border-color:var(--text);background:#fff}
.tool-select{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:0;font-size:14px;background:var(--surface);cursor:pointer;font-family:inherit;outline:none}
.tool-select:focus{border-color:var(--text)}
.tool-btn{padding:9px 16px;border:1px solid var(--border);border-radius:0;background:var(--surface);font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;color:var(--text);transition:all .15s}
.tool-btn:hover{border-color:var(--text);background:var(--text);color:#fff}
.tool-btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.tool-btn.primary:hover{background:#003DD6;border-color:#003DD6}
.copy-btn{padding:7px 12px;border:1px solid var(--border);border-radius:0;background:var(--surface);font-size:12px;cursor:pointer;font-family:inherit;color:var(--muted);transition:all .15s}
.copy-btn:hover{background:var(--text);color:#fff;border-color:var(--text)}
.btn-group{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1px;background:var(--border);margin-top:16px;border:1px solid var(--border)}
.stat-box{background:var(--surface);padding:16px;text-align:center}
.stat-box .stat-val{font-size:26px;font-weight:800;color:var(--primary);line-height:1;font-variant-numeric:tabular-nums}
.stat-box .stat-lbl{font-size:11px;color:var(--muted);margin-top:4px;text-transform:uppercase;letter-spacing:.5px}
.convert-result{background:var(--bg);border:1px solid var(--border);border-left:3px solid var(--primary);padding:20px;margin-top:16px;text-align:center}
.convert-result .big-val{font-size:32px;font-weight:900;color:var(--primary);letter-spacing:-1px}
.convert-result .big-lbl{font-size:13px;color:var(--muted);margin-top:4px}
.color-preview{width:100%;height:80px;border:1px solid var(--border);margin-bottom:12px;transition:background .2s}
.pct-modes{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.pct-card{background:var(--bg);border:1px solid var(--border);padding:16px}
.pct-card h4{font-size:11px;font-weight:700;color:var(--muted);margin-bottom:12px;text-transform:uppercase;letter-spacing:.5px}
.pct-result{font-size:24px;font-weight:800;color:var(--primary);margin-top:10px}
.tool-info{background:var(--bg);border-left:3px solid var(--primary);padding:10px 14px;font-size:12px;color:var(--muted);margin-top:12px}

/* ABOUT */
.about-section{background:var(--bg);padding:64px 0;border-top:1px solid var(--border)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.section-label{font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.about-text h2{font-size:28px;font-weight:800;line-height:1.2;margin-bottom:16px;letter-spacing:-.5px}
.about-text p{font-size:15px;color:var(--muted);line-height:1.7;margin-bottom:20px}
.about-list{list-style:none}
.about-list li{font-size:14px;padding:10px 0;border-bottom:1px solid var(--border);color:var(--text)}
.about-list li:last-child{border:none}
.search-chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:7px 14px;border:1px solid var(--border);background:var(--bg);font-size:13px;font-weight:500;cursor:pointer;font-family:inherit;color:var(--text);transition:all .15s;border-radius:0}
.chip:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

/* CTA */
.cta-band{background:var(--text);padding:32px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.cta-text{font-size:20px;font-weight:800;color:#fff;letter-spacing:-.3px}
.btn-cta{background:var(--primary);color:#fff;padding:13px 24px;font-size:15px;font-weight:700;border-radius:0;text-decoration:none;display:inline-flex;align-items:center;transition:background .15s}
.btn-cta:hover{background:#003DD6}

/* FOOTER */
.footer{background:#0A0A0A;padding:48px 0 24px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;margin-bottom:32px}
.footer-brand .logo{color:rgba(255,255,255,.9);font-size:18px}
.footer-brand .logo span{color:var(--primary)}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.35);margin-top:10px;line-height:1.6}
.footer-col h4{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:rgba(255,255,255,.3);margin-bottom:14px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{font-size:13px;color:rgba(255,255,255,.5);text-decoration:none;transition:color .15s}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:20px;display:flex;justify-content:space-between;align-items:center}
.footer-bottom span{font-size:12px;color:rgba(255,255,255,.2)}

/* ABOUT TOOLS GRID */
.about-tools-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:40px;padding-top:40px;border-top:2px solid var(--text)}
.about-tool-group{border:1px solid var(--border);padding:28px 28px 24px;background:#fff;border-top:3px solid var(--primary)}
.about-tool-group h3{font-size:11px;font-weight:800;color:var(--primary);margin-bottom:14px;text-transform:uppercase;letter-spacing:1px}
.about-tool-group p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}
.about-tool-group strong{color:var(--text);font-weight:700}
.about-tool-group code{font-family:'JetBrains Mono','Courier New',monospace;font-size:12px;background:#eff4ff;color:var(--primary);padding:1px 6px;border:1px solid #c7d8ff}
.faq-list{display:flex;flex-direction:column;gap:0}
.faq-list dt{font-size:13px;font-weight:700;color:var(--text);padding:10px 0 4px;border-top:1px solid var(--border)}
.faq-list dt:first-child{border-top:none;padding-top:0}
.faq-list dd{font-size:13px;color:var(--muted);margin:0 0 6px;line-height:1.6}
@media(max-width:768px){.about-tools-grid{grid-template-columns:1fr}}

/* RECENTLY USED STRIP */
.recent-strip{display:none;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.recent-strip.visible{display:flex}
.recent-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);white-space:nowrap}
.recent-btn{padding:5px 12px;border:1px solid var(--border);background:var(--surface);font-size:12px;font-weight:500;cursor:pointer;font-family:inherit;color:var(--muted);transition:all .15s;border-radius:0}
.recent-btn:hover{border-color:var(--primary);color:var(--primary)}

/* TEXT DIFF */
.diff-out{font-family:'JetBrains Mono','Courier New',monospace;font-size:13px;line-height:1.9;padding:12px;border:1px solid var(--border);background:var(--bg);min-height:80px;white-space:pre-wrap;word-break:break-word;margin-top:4px}
.diff-add{background:#d1fae5;color:#065f46;display:block}
.diff-del{background:#fee2e2;color:#991b1b;display:block;text-decoration:line-through}

/* REGEX TESTER */
.regex-out{font-family:'JetBrains Mono','Courier New',monospace;font-size:13px;line-height:1.8;padding:12px;border:1px solid var(--border);background:#fff;min-height:100px;white-space:pre-wrap;word-break:break-word;margin-top:4px}
mark.rx-match{background:#fff3b0;color:inherit;border-radius:0;outline:1.5px solid #d4a017}

/* STRENGTH METER */
.strength-meter{margin-top:8px;height:5px;background:var(--border);width:100%}
.strength-bar{height:5px;transition:width .3s,background .3s;width:0}
.strength-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;margin-top:6px;color:var(--muted)}

/* CALCULATOR */
.calc-btn{padding:16px;background:#1a1a1a;color:#fff;border:none;border-radius:0;font-size:18px;font-weight:600;cursor:pointer;font-family:'JetBrains Mono',monospace;transition:background .1s}
.calc-btn:hover{background:#2a2a2a}
.calc-btn.calc-op{background:var(--primary);color:#fff}
.calc-btn.calc-op:hover{background:#003DD6}
.calc-btn.calc-clear{background:#374151;color:#fff}
.calc-btn.calc-clear:hover{background:#4b5563}

/* HASH OUTPUT */
.hash-out{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.hash-row{padding:12px;border:1px solid var(--border);background:var(--bg)}
.hash-algo{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);margin-bottom:4px}
.hash-val{font-family:'JetBrains Mono','Courier New',monospace;font-size:12px;color:var(--text);word-break:break-all;line-height:1.5;margin-bottom:6px}

/* RESPONSIVE */
@media(max-width:1024px){.tools-grid{grid-template-columns:repeat(3,1fr)}.tool-card:nth-child(4n){border-right:1px solid var(--border)}.tool-card:nth-child(3n){border-right:none}}
@media(max-width:768px){
    .tools-grid{grid-template-columns:repeat(2,1fr)}
    .about-grid{grid-template-columns:1fr}
    .footer-inner{grid-template-columns:1fr;gap:24px}
    .nav-links{display:none}
    .nav-links.open{display:flex;flex-direction:column;position:fixed;top:60px;left:0;right:0;background:var(--bg);border-bottom:2px solid var(--border);padding:12px 24px 16px;gap:0;z-index:999;box-shadow:0 4px 12px rgba(0,0,0,.08)}
    .nav-links.open li{border-bottom:1px solid var(--border)}
    .nav-links.open li:last-child{border-bottom:none}
    .nav-links.open a{display:block;padding:10px 0;font-size:15px}
    .btn-nav{display:none}
    .hamburger{display:flex}
    .stats-inner{flex-wrap:wrap;height:auto;padding:12px 0}
    .sdiv{display:none}
    .stat{padding:8px 16px}
    .cta-inner{flex-direction:column;text-align:center}
    .footer-bottom{flex-direction:column;gap:8px}
}
@media(max-width:480px){
    .tools-grid{grid-template-columns:1fr}
    .hero h1{font-size:36px}
    .hero-search-row{flex-direction:column}
    .cat-bar{flex-wrap:wrap}
}

/* ── Static SEO content blocks (pages/static-blocks.php) ───────────────────── */
.static-block{background:#f9f9f9;padding:24px 0 12px;border-bottom:1px solid var(--border)}
.sb-answer{background:#fff;border:1px solid var(--border);border-left:4px solid var(--primary);padding:20px 24px;margin-bottom:14px;display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:16px}
.sb-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:6px}
.sb-value{font-size:clamp(32px,7vw,56px);font-weight:900;line-height:1;color:var(--text)}
.sb-unit{font-size:.45em;font-weight:500;color:var(--muted)}
.sb-cat{font-size:15px;font-weight:700;margin-top:6px}
.sb-subval{font-size:13px;color:var(--muted);margin-top:4px}
.sb-meta{font-size:13px;color:var(--muted);line-height:1.6;align-self:center}
.sb-chips{display:flex;gap:24px;flex-wrap:wrap;align-self:center}
.sb-chip{display:flex;flex-direction:column;gap:3px}
.sb-chip-lbl{font-size:10px;font-weight:700;text-transform:uppercase;color:var(--muted)}
.sb-chip-val{font-size:20px;font-weight:800}
.sb-table-wrap{background:#fff;border:1px solid var(--border);margin-bottom:14px;overflow-x:auto}
.sb-table-hdr{padding:12px 20px;border-bottom:1px solid var(--border);font-weight:700;font-size:13px}
.sb-table{width:100%;border-collapse:collapse;font-size:13px}
.sb-table thead tr{background:var(--bg)}
.sb-table th{padding:9px 20px;text-align:left;font-weight:600;color:var(--muted);border-bottom:1px solid var(--border)}
.sb-table td{padding:8px 20px;border-bottom:1px solid #f4f4f4}
.sb-table tr.sb-cur{background:#eff6ff;font-weight:700}
.sb-note{font-size:12px;color:var(--muted);margin:0 0 14px;line-height:1.6}
.sb-faq-hdr{font-size:13px;font-weight:700;margin-bottom:8px}
.sb-faq-item{background:#fff;border:1px solid var(--border);margin-bottom:6px}
.sb-faq-q{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 18px;font-weight:600;font-size:13px;cursor:pointer;list-style:none;width:100%}
.sb-faq-q span{color:var(--muted);flex-shrink:0;font-size:16px;font-weight:400}
.sb-faq-item[open] .sb-faq-q span{transform:rotate(45deg)}
.sb-faq-a{padding:2px 18px 14px;font-size:13px;line-height:1.7}

/* ── Cmd+K Command Palette ─────────────────────────────────────── */
#cmdpalette-backdrop {
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);
  z-index:9000;align-items:flex-start;justify-content:center;padding-top:80px;
}
#cmdpalette-backdrop.open { display:flex; }
#cmdpalette {
  background:#fff;width:100%;max-width:560px;
  border:1px solid var(--border);box-shadow:0 8px 32px rgba(0,0,0,.18);
}
#cmdpalette-input {
  width:100%;padding:14px 16px;font-size:16px;font-family:inherit;
  border:none;border-bottom:1px solid var(--border);outline:none;
  background:#fff;color:var(--text);box-sizing:border-box;
}
#cmdpalette-list {
  max-height:360px;overflow-y:auto;list-style:none;margin:0;padding:0;
}
#cmdpalette-list li {
  padding:10px 16px;cursor:pointer;font-size:14px;font-weight:500;
  display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border);
}
#cmdpalette-list li:last-child { border-bottom:none; }
#cmdpalette-list li:hover,
#cmdpalette-list li.active { background:var(--primary);color:#fff; }
#cmdpalette-list li .pal-cat {
  font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted);margin-left:auto;
}
#cmdpalette-list li:hover .pal-cat,
#cmdpalette-list li.active .pal-cat { color:rgba(255,255,255,.7); }
#cmdpalette-hint {
  padding:8px 16px;font-size:11px;color:var(--muted);border-top:1px solid var(--border);
  display:flex;gap:16px;
}
#cmdpalette-hint kbd {
  background:var(--bg);border:1px solid var(--border);
  padding:1px 5px;font-size:10px;font-family:'JetBrains Mono',monospace;
}