:root{--bg:#f6f8fc;--card:#fff;--text:#172033;--muted:#697386;--primary:#635bff;--primary2:#7c3aed;--border:#e8ebf2;--shadow:0 12px 35px rgba(25,35,60,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}a{text-decoration:none;color:inherit}
.container{width:min(1160px,calc(100% - 32px));margin:auto}.nav{height:72px;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}.navin{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{font-size:22px;font-weight:800;letter-spacing:-.5px}.brand span{color:var(--primary)}.navlinks{display:flex;gap:22px;color:var(--muted);font-size:14px}.navlinks a:hover{color:var(--primary)}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);background:#fff;border-radius:11px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0}
.menu-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .2s ease}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{display:none}
.hero{padding:78px 0 55px;text-align:center;background:radial-gradient(circle at 50% 0,#e9e7ff 0,transparent 45%)}.badge{display:inline-flex;padding:7px 12px;border:1px solid #ddd9ff;background:#f5f3ff;color:var(--primary);border-radius:999px;font-size:13px;font-weight:700}.hero h1{font-size:clamp(38px,6vw,66px);line-height:1.02;letter-spacing:-3px;margin:18px auto 16px;max-width:850px}.hero p{max-width:680px;margin:auto;color:var(--muted);font-size:18px;line-height:1.7}.search{max-width:700px;margin:30px auto 0;display:flex;background:#fff;border:1px solid var(--border);border-radius:16px;padding:7px;box-shadow:var(--shadow)}.search input{flex:1;border:0;outline:0;padding:13px 15px;font-size:15px}.btn{border:0;background:linear-gradient(135deg,var(--primary),var(--primary2));color:white;border-radius:11px;padding:12px 18px;font-weight:700;cursor:pointer}.btn.secondary{background:#eef0f6;color:var(--text)}
.section{padding:42px 0}.sectionhead{display:flex;justify-content:space-between;align-items:end;margin-bottom:20px}.section h2{margin:0;font-size:27px;letter-spacing:-1px}.muted{color:var(--muted)}
.categories{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:25px}.cat{padding:9px 14px;border:1px solid var(--border);background:#fff;border-radius:999px;color:var(--muted);font-size:13px;cursor:pointer}.cat.active,.cat:hover{background:#eeecff;border-color:#dcd7ff;color:var(--primary)}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.tool{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:0 5px 18px rgba(25,35,60,.035);transition:.2s}.tool:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.icon{width:42px;height:42px;border-radius:12px;background:#f0efff;color:var(--primary);display:grid;place-items:center;font-weight:800;margin-bottom:15px}.tool h3{margin:0 0 7px;font-size:16px}.tool p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}
.toolpage{padding:45px 0}.toolbox{background:#fff;border:1px solid var(--border);border-radius:20px;padding:24px;box-shadow:var(--shadow);max-width:900px;margin:auto}.toolbox h1{margin:0 0 8px;font-size:32px}.textarea,.input{width:100%;border:1px solid var(--border);border-radius:12px;padding:14px;outline:0;font:inherit}.textarea{min-height:260px;resize:vertical}.textarea:focus,.input:focus{border-color:#aaa3ff;box-shadow:0 0 0 4px #eeecff}.row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.actions{display:flex;gap:10px;margin:15px 0;flex-wrap:wrap}.result{margin-top:15px;padding:16px;background:#f7f8fb;border-radius:12px;min-height:50px}.ad{height:110px;border:1px dashed #d9dce5;border-radius:14px;display:grid;place-items:center;color:#a0a6b4;font-size:12px;margin:28px 0}
footer{border-top:1px solid var(--border);padding:35px 0;color:var(--muted);font-size:13px}
@media(max-width:900px){.grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:650px){
.navlinks{display:none}
.menu-toggle{display:flex}
.mobile-menu{position:absolute;top:72px;left:16px;right:16px;background:rgba(255,255,255,.97);backdrop-filter:blur(14px);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(-8px) scale(.98);transform-origin:top;transition:opacity .22s ease,transform .22s ease,visibility .22s ease}
.mobile-menu.open{display:block;opacity:1;visibility:visible;transform:translateY(0) scale(1)}
.mobile-menu a{display:block;padding:13px 14px;border-radius:10px;color:var(--text);font-size:14px;font-weight:600}
.mobile-menu a:hover,.mobile-menu a:active{background:#f1efff;color:var(--primary)}
.hero{padding:55px 0 40px}.hero h1{letter-spacing:-2px}.grid{grid-template-columns:repeat(2,1fr)}.row{grid-template-columns:1fr}.toolbox{padding:18px}.search{margin-top:24px}.section{padding:30px 0}}
@media(max-width:420px){.grid{grid-template-columns:1fr}}

/* ===== Tool Controls ===== */
.tool-controls{display:grid;gap:16px}
.control-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.control-group{display:grid;gap:7px}
.control-group label{font-size:13px;font-weight:700;color:var(--text)}
.control-group input,.control-group select,.control-group textarea{width:100%;border:1px solid var(--border);background:#fff;border-radius:12px;padding:11px 13px;font:inherit;color:var(--text);outline:none}
.control-group input:focus,.control-group select:focus,.control-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.1)}
.checks{display:flex;flex-wrap:wrap;gap:10px}
.check{display:flex;align-items:center;gap:7px;padding:9px 11px;background:#f8f8fc;border:1px solid var(--border);border-radius:10px;font-size:13px}
.check input{accent-color:var(--primary)}
.tool-output{position:relative}
.output-box{min-height:120px;width:100%;resize:vertical;border:1px solid var(--border);background:#f8f8fc;border-radius:12px;padding:14px;font:14px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--text)}
.output-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
@media(max-width:650px){.control-row{grid-template-columns:1fr}.checks{display:grid;grid-template-columns:1fr 1fr}}

/* =========================================================
   UNIFIED TOOL DESIGN SYSTEM
   All tools use the same page, card, controls and actions.
   ========================================================= */
.tool-page{padding:46px 0 56px}
.tool-head{text-align:center;max-width:760px;margin:0 auto 24px}
.eyebrow{display:inline-flex;align-items:center;padding:7px 12px;border:1px solid #ddd9ff;background:#f5f3ff;color:var(--primary);border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.2px}
.tool-head h1{margin:14px 0 8px;font-size:clamp(30px,4vw,42px);line-height:1.1;letter-spacing:-1.5px}
.tool-head p{margin:0;color:var(--muted);font-size:15px;line-height:1.65}
.tool-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:24px;box-shadow:var(--shadow);max-width:900px;margin:0 auto}
.tool-card .tool-controls{width:100%}
.tool-controls{display:grid;gap:16px}
.control-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.control-group{display:grid;gap:7px}
.control-group label{font-size:13px;font-weight:700;color:var(--text)}
.control-group input,.control-group select,.control-group textarea,
.textarea,.input{width:100%;border:1px solid var(--border);background:#fff;border-radius:12px;padding:12px 13px;font:inherit;color:var(--text);outline:none;transition:border-color .18s,box-shadow .18s,background .18s}
.control-group textarea,.textarea{min-height:150px;resize:vertical}
.control-group input:focus,.control-group select:focus,.control-group textarea:focus,
.textarea:focus,.input:focus{border-color:#aaa3ff;box-shadow:0 0 0 4px #eeecff}
.control-group input[type="file"]{padding:10px;background:#fafaff;cursor:pointer}
.control-group input[type="range"]{padding:0;accent-color:var(--primary);border:0;box-shadow:none}
.output-actions,.actions{display:flex;flex-wrap:wrap;gap:9px;margin:2px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;border-radius:11px;padding:11px 17px;font-weight:700;font-size:14px;line-height:1.2;cursor:pointer;transition:transform .15s,box-shadow .15s,opacity .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 7px 18px rgba(99,91,255,.18)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-secondary,.btn.secondary{background:#eef0f6;color:var(--text);box-shadow:none}
.output-box{min-height:120px;width:100%;resize:vertical;border:1px solid var(--border);background:#f8f8fc;border-radius:12px;padding:14px;font:14px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--text);outline:none}
.result{margin-top:0;padding:16px;background:#f7f8fb;border:1px solid var(--border);border-radius:12px;min-height:50px;line-height:1.6}
.result-large{font-size:16px;line-height:1.7}
.result-strong{font-weight:700}
.status{font-size:13px;color:var(--muted);min-height:1.3em}
.image-preview{display:block;max-width:100%;max-height:420px;margin:0 auto;border-radius:12px;border:1px solid var(--border);object-fit:contain;background:#fafaff}
.color-preview{height:44px;width:100%;display:block;border-radius:12px;border:1px solid var(--border);background:#6366f1}
.is-hidden{display:none}
.checks{display:flex;flex-wrap:wrap;gap:10px}
.check{display:flex;align-items:center;gap:7px;padding:9px 11px;background:#f8f8fc;border:1px solid var(--border);border-radius:10px;font-size:13px}
.check input{accent-color:var(--primary)}
.ad{max-width:900px;margin:26px auto 0;height:90px;border:1px dashed #d9dce5;border-radius:14px;display:grid;place-items:center;color:#a0a6b4;font-size:12px}
@media(max-width:650px){
  .tool-page{padding:34px 0 44px}
  .tool-card{padding:18px;border-radius:16px}
  .tool-head{margin-bottom:20px}
  .tool-head h1{letter-spacing:-1px}
  .control-row{grid-template-columns:1fr}
  .checks{display:grid;grid-template-columns:1fr 1fr}
}
@media(max-width:420px){
  .checks{grid-template-columns:1fr}
  .output-actions .btn,.actions .btn{width:100%}
}
.hero-accent{color:var(--primary)}
.tool-count{color:var(--muted);font-size:13px;font-weight:700}
.about-head{margin:0 auto;text-align:left;max-width:none}
.palette-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.palette-swatch{min-height:92px;border:0;border-radius:12px;color:#fff;font-weight:800;text-shadow:0 1px 3px rgba(0,0,0,.35);cursor:pointer;padding:10px}
.gradient-preview{height:180px;border-radius:16px;border:1px solid var(--border);background:#eee}
.shadow-stage,.radius-stage{min-height:220px;border:1px solid var(--border);border-radius:16px;background:#f8f8fc;display:grid;place-items:center;overflow:hidden}
.shadow-box,.radius-box{width:180px;height:120px;background:#fff;border-radius:20px}
.shadow-box{box-shadow:0 12px 30px #17203355}
@media(max-width:650px){.palette-grid{grid-template-columns:1fr 1fr}.sectionhead{align-items:start;gap:12px}.tool-count{white-space:nowrap}}
@media(max-width:420px){.palette-grid{grid-template-columns:1fr}}