:root{--bg:#faf9f7;--surface:#ffffff;--surface-2:#f4f3f0;--border:#e8e6e1;--border-strong:#d8d5cd;--text:#1c1d20;--muted:#5c5f67;--muted-2:#6d7078;--accent:#4f46e5;--accent-hover:#4338ca;--accent-soft:#eeedfd;--accent-soft-2:#e3e1fb;--good:#0f6f49;--good-soft:#e6f6ef;--warn:#b23a26;--warn-soft:#fbeae6;--radius:14px;--radius-sm:9px;--shadow-sm:0 1px 2px rgba(20,20,25,0.05);--shadow-md:0 6px 20px rgba(20,20,25,0.06);--shadow-lg:0 16px 40px rgba(20,20,25,0.10);--font-display:'Space Grotesk',sans-serif;--font-body:'Inter',sans-serif;--font-mono:'JetBrains Mono',monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);min-height:100vh}@media (prefers-reduced-motion:reduce){*{animation-duration:0s!important;transition-duration:0s!important}}a{color:inherit}button{font-family:inherit}::selection{background:var(--accent-soft-2);color:var(--accent-hover)}.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:20px;padding:16px 32px;background:rgba(250,249,247,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px;margin-right:auto;cursor:pointer;background:0 0;border:none;padding:0}.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--accent);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;color:#fff;font-size:14px;box-shadow:var(--shadow-sm)}.brand-text{display:flex;flex-direction:column;line-height:1.15;text-align:left}.brand-text b{font-family:var(--font-display);font-size:17px;letter-spacing:.2px;color:var(--text)}.brand-text span{font-size:10.5px;color:var(--muted-2);font-family:var(--font-mono);letter-spacing:.6px}.search-wrap{position:relative;width:min(300px,38vw)}.search-wrap input{width:100%;padding:10px 14px 10px 36px;background:var(--surface-2);border:1px solid var(--border);border-radius:20px;color:var(--text);font-size:13.5px;outline:0;transition:border-color .15s,background .15s}.search-wrap input:focus{border-color:var(--accent);background:var(--surface)}.search-wrap svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);opacity:.45}.tool-count{font-family:var(--font-mono);font-size:11.5px;color:var(--muted-2);white-space:nowrap}.hero{padding:64px 32px 24px;max-width:1180px;margin:0 auto}.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11.5px;color:var(--accent);background:var(--accent-soft);padding:5px 12px;border-radius:20px;margin-bottom:22px}.hero-eyebrow::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent)}.hero h1{font-family:var(--font-display);font-weight:700;font-size:clamp(32px,5vw,52px);line-height:1.08;margin:0 0 16px;max-width:720px;letter-spacing:-.5px}.hero h1 em{font-style:normal;color:var(--accent)}.hero p{font-size:16px;color:var(--muted);max-width:540px;line-height:1.65;margin:0 0 8px}.hero .fine{font-family:var(--font-mono);font-size:11.5px;color:var(--muted-2)}.rail{display:flex;gap:8px;padding:28px 32px 8px;max-width:1180px;margin:0 auto;overflow-x:auto;scrollbar-width:none;min-height:56px}.rail::-webkit-scrollbar{display:none}.pill{flex:none;font-family:var(--font-body);font-weight:500;font-size:13px;padding:9px 17px;border-radius:20px;border:1px solid var(--border);background:var(--surface);color:var(--muted);cursor:pointer;white-space:nowrap;transition:all .15s;box-shadow:var(--shadow-sm)}.pill:hover{border-color:var(--border-strong);color:var(--text)}.pill.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px;padding:24px 32px 90px;max-width:1180px;margin:0 auto}#toolGrid{min-height:900px}#relatedGrid{min-height:220px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;cursor:pointer;text-align:left;color:var(--text);text-decoration:none;display:flex;flex-direction:column;gap:16px;position:relative;overflow:hidden;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;box-shadow:var(--shadow-sm)}.card:focus-visible,.card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md);transform:translateY(-3px);outline:0}.badge{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-weight:700;font-size:12.5px;background:var(--accent-soft);color:var(--accent)}.card h3{margin:0;font-family:var(--font-display);font-size:16px;font-weight:600}.card p{margin:0;font-size:13px;color:var(--muted);line-height:1.55;flex:1}.card .open-hint{font-family:var(--font-mono);font-size:11px;color:var(--muted-2);display:flex;align-items:center;gap:5px}.card:hover .open-hint{color:var(--accent)}.no-results{grid-column:1/-1;text-align:center;color:var(--muted);padding:70px 20px;font-family:var(--font-mono)}#homeView,#toolView{animation:fadeIn .2s ease-out}@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.tool-page-head{border-bottom:1px solid var(--border);padding:22px 32px}.tool-page-head-inner{max-width:720px;margin:0 auto}.back-link{display:inline-flex;align-items:center;gap:6px;background:0 0;border:none;cursor:pointer;color:var(--muted);font-size:13px;font-family:var(--font-body);font-weight:500;padding:0;margin-bottom:16px;transition:color .15s}.back-link:hover{color:var(--accent)}.tool-page-title{display:flex;align-items:center;gap:14px}.tool-page-title .badge{width:44px;height:44px;font-size:14px;border-radius:12px;flex:none}.tool-page-title h1{font-family:var(--font-display);font-size:24px;margin:0 0 4px;letter-spacing:-.3px}.tool-page-title p{margin:0;color:var(--muted);font-size:13.5px}.tool-page-body{max-width:720px;margin:0 auto;padding:36px 32px 100px;min-height:calc(100vh - 200px)}.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}.field{margin-bottom:16px}.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:7px;font-weight:500}.field input[type=date],.field input[type=number],.field input[type=text],.field select,.field textarea{width:100%;padding:11px 13px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:14px;outline:0;font-family:var(--font-body);transition:border-color .15s,background .15s}.field textarea{resize:vertical;min-height:110px;font-family:var(--font-mono);font-size:13px;line-height:1.5}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);background:var(--surface)}.row{display:flex;gap:12px}.row>*{flex:1}.btn{background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);padding:12px 20px;font-weight:600;font-size:14px;cursor:pointer;font-family:var(--font-body);transition:background .15s,transform .1s;box-shadow:var(--shadow-sm)}.btn:hover{background:var(--accent-hover)}.btn:active{transform:scale(.98)}.btn.ghost{background:var(--surface);border:1px solid var(--border);color:var(--text);box-shadow:none}.btn.ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.btn.small{padding:8px 13px;font-size:12.5px}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}.check-row{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:8px}.check-row input{accent-color:var(--accent)}.lcd{background:var(--accent-soft);border:1px solid var(--accent-soft-2);border-radius:var(--radius-sm);padding:16px 18px;margin-top:16px}.lcd .lcd-label{font-size:11px;color:var(--accent);text-transform:uppercase;letter-spacing:.8px;font-weight:600;font-family:var(--font-mono)}.lcd .lcd-value{font-size:26px;color:var(--text);font-weight:700;margin:4px 0;font-family:var(--font-display)}.lcd .lcd-sub{font-size:12.5px;color:var(--muted)}.lcd-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.lcd-grid .lcd{margin-top:0}.hint{font-size:12.5px;color:var(--muted);margin-top:10px;line-height:1.55}.error-msg{background:var(--warn-soft);border:1px solid #f0c9bd;color:var(--warn);padding:11px 13px;border-radius:var(--radius-sm);font-size:13px;margin-top:10px}.copy-ok{color:var(--good);font-size:12px;font-weight:600;margin-left:8px;opacity:0;transition:opacity .2s}.copy-ok.show{opacity:1}.tabset{display:flex;gap:6px;margin-bottom:18px;border-bottom:1px solid var(--border)}.tabset button{background:0 0;border:none;color:var(--muted);padding:9px 4px;cursor:pointer;font-size:13.5px;font-weight:500;border-bottom:2px solid transparent;margin-right:18px}.tabset button.active{color:var(--accent);border-color:var(--accent)}.tab-pane{display:none}.tab-pane.active{display:block}.file-drop{position:relative;overflow:hidden;border:1.5px dashed var(--border-strong);border-radius:var(--radius-sm);padding:30px 16px;text-align:center;cursor:pointer;color:var(--muted);font-size:13.5px;transition:border-color .15s,background .15s;background:var(--surface-2);user-select:none}.file-drop:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.file-drop:focus-within{outline:2px solid var(--accent);outline-offset:2px}.file-drop input[type=file]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer;margin:0;padding:0;font-size:100px;z-index:1}.file-drop-btn{position:relative;z-index:2;margin-top:12px}.swatch{width:100%;height:60px;border-radius:var(--radius-sm);border:1px solid var(--border);margin-top:12px}.strength-bar{height:8px;border-radius:6px;background:var(--surface-2);overflow:hidden;margin-top:10px}.strength-bar>div{height:100%;transition:width .2s,background .2s}.file-list{margin-top:10px;display:flex;flex-direction:column;gap:6px}.file-list .fitem{display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:9px 12px;font-size:12.5px}.file-list .fitem span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-list .fitem button{background:0 0;border:none;color:var(--muted);cursor:pointer;font-size:14px}.slider-row{display:flex;align-items:center;gap:12px}.slider-row input[type=range]{flex:1;accent-color:var(--accent)}.slider-row output{font-family:var(--font-mono);color:var(--accent);min-width:44px;text-align:right;font-size:13px}img.preview{max-width:100%;border-radius:var(--radius-sm);border:1px solid var(--border);margin-top:10px;display:block}.qr-canvas-wrap{display:flex;justify-content:center;margin-top:14px;background:#fff;padding:14px;border-radius:var(--radius-sm);border:1px solid var(--border)}footer{text-align:center;padding:36px 20px 56px;color:var(--muted-2);font-size:12.5px;font-family:var(--font-mono);border-top:1px solid var(--border);margin-top:20px}footer b{color:var(--text)}@media(max-width:640px){.topbar{flex-wrap:wrap;padding:14px 18px}.search-wrap{width:100%;order:3}.grid,.hero,.rail{padding-left:18px;padding-right:18px}.tool-page-body,.tool-page-head{padding-left:18px;padding-right:18px}.lcd-grid{grid-template-columns:1fr}.tool-card{padding:20px}.field input[type=date],.field input[type=number],.field input[type=text],.field select,.field textarea{font-size:16px}.lang-switch{font-size:13px;padding:7px 8px}.footer-links{gap:8px 14px}.btn,.btn.small{min-height:42px}}@media(max-width:420px){.hero h1{font-size:clamp(26px,7vw,34px)}.brand-text b{font-size:15px}.brand-text span{font-size:9px}.lcd-value{font-size:18px!important}}.faq-list{display:flex;flex-direction:column;gap:8px;max-width:70ch}.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 16px}.faq-item summary{cursor:pointer;font-weight:600;font-size:13.5px;color:var(--text);list-style:none;display:flex;align-items:center;justify-content:space-between;gap:10px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"+";color:var(--muted);font-size:16px;font-weight:400;flex-shrink:0}.faq-item[open] summary::after{content:"−"}.faq-item p{margin:10px 0 0;color:var(--muted);font-size:13px;line-height:1.65}footer{display:flex;flex-direction:column;gap:10px;align-items:center;text-align:center;padding:28px 24px 40px;color:var(--muted);font-size:12.5px}.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px}.footer-links a{color:var(--muted);text-decoration:none;font-weight:500}.footer-links a:hover{color:var(--accent)}.static-page h1{font-family:var(--font-display);font-size:26px;margin-bottom:14px}.static-page h2{font-family:var(--font-display);font-size:16px;font-weight:600;margin:28px 0 10px;color:var(--text)}.static-page p{color:var(--muted);font-size:13.5px;line-height:1.75;max-width:70ch;margin-bottom:12px}.static-page ul{color:var(--muted);font-size:13.5px;line-height:1.75;max-width:70ch;margin:0 0 12px 20px}.static-page a{color:var(--accent)}.contact-card{display:flex;flex-direction:column;gap:14px;max-width:420px;margin-top:18px}.footer-social{display:flex;gap:16px;font-size:12px}.footer-social a{color:var(--accent);text-decoration:none;font-weight:600}.footer-social a:hover{text-decoration:underline}.lang-switch{font-family:var(--font-sans);font-size:12px;font-weight:600;color:var(--text);background:var(--surface-2);border:1px solid var(--border);border-radius:6px;padding:5px 8px;cursor:pointer;max-width:130px}.lang-switch:focus{outline:2px solid var(--accent);outline-offset:1px}.card,.faq-item summary,a,button,input,select{touch-action:manipulation}*{-webkit-tap-highlight-color:transparent}