:root{--bg:#f6f7fb;--surface:#fff;--text:#171923;--muted:#70768a;--line:#e6e8ef;--primary:#6757e8;--primary2:#8b7cf6;--shadow:0 18px 50px rgba(34,29,80,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}body.dark{--bg:#0b0d14;--surface:#151824;--text:#f5f6ff;--muted:#a5aabd;--line:#292d3b;--shadow:0 20px 60px rgba(0,0,0,.3)}
button,input,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.container{width:min(1120px,92%);margin:auto}
.header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:25px;font-weight:900;letter-spacing:-1px}.brand span{color:var(--primary)}nav{display:flex;align-items:center;gap:18px}nav a{font-size:14px;color:var(--muted);font-weight:700}.icon-btn{width:42px;height:42px;border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--text)}
.hero{padding:88px 0 58px;text-align:center;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;width:430px;height:430px;border-radius:50%;background:rgba(103,87,232,.13);filter:blur(80px);top:-260px;left:50%;transform:translateX(-50%)}.hero>.container{position:relative}.eyebrow{display:inline-block;color:var(--primary);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.12em;margin-bottom:12px}
h1{font-size:clamp(42px,7vw,76px);line-height:1.02;letter-spacing:-3px;margin:0 0 18px}h1 span{color:var(--primary)}.hero p{max-width:650px;margin:auto;color:var(--muted);font-size:17px}.search{max-width:650px;margin:28px auto 0;position:relative}.search span{position:absolute;left:18px;top:11px;font-size:25px;color:var(--muted)}.search input{width:100%;height:56px;border:1px solid var(--line);border-radius:17px;background:var(--surface);color:var(--text);padding:0 18px 0 50px;outline:none;box-shadow:var(--shadow)}
.ad-slot{min-height:90px;border:1px dashed var(--line);border-radius:18px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:11px;margin:12px auto 55px;overflow:hidden}.section{padding-bottom:60px}.section-title{display:flex;justify-content:space-between;align-items:end;margin-bottom:20px}.section-title h2,.about h2{margin:0;font-size:30px;letter-spacing:-1px}.section-title>span{color:var(--muted);font-size:13px}
.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.tool-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow);transition:.28s}.tool-card:hover{transform:translateY(-7px);border-color:rgba(103,87,232,.35)}.tool-icon{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:rgba(103,87,232,.1);font-size:26px;margin-bottom:17px}.tool-card h3{margin:0 0 7px;font-size:18px}.tool-card p{min-height:45px;color:var(--muted);font-size:14px;margin:0}.primary{width:100%;border:0;border-radius:13px;padding:12px 15px;margin-top:16px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;font-weight:850}.about{padding:25px 0 80px}.about p{color:var(--muted);max-width:650px}.footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:13px}.footer-inner{display:flex;justify-content:space-between}.hidden{display:none!important}.empty{text-align:center;color:var(--muted);padding:40px}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.62);backdrop-filter:blur(7px);display:none;align-items:center;justify-content:center;padding:18px;z-index:100}.modal.show{display:flex}.modal-card{position:relative;width:min(620px,100%);max-height:90vh;overflow:auto;background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 35px 100px rgba(0,0,0,.35)}.close{position:absolute;right:15px;top:15px;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:transparent;color:var(--text);font-size:25px}.modal h2{margin:0 45px 5px 0}.sub{color:var(--muted);font-size:14px}.field{margin:15px 0}.field label{display:block;font-weight:800;font-size:13px;margin-bottom:7px}.field input,.field textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--text);outline:none}.field textarea{min-height:140px;resize:vertical}.actions{display:flex;gap:10px;flex-wrap:wrap}.secondary{border:1px solid var(--line);border-radius:12px;padding:11px 16px;background:var(--surface);color:var(--text);font-weight:750}.result{margin-top:16px;padding:15px;border:1px solid var(--line);border-radius:13px;background:var(--bg);word-break:break-word}.preview{height:90px;border-radius:14px;border:1px solid var(--line);margin:12px 0}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,90px);opacity:0;background:#171923;color:#fff;padding:11px 16px;border-radius:12px;z-index:200;transition:.3s;font-size:13px}.toast.show{transform:translate(-50%,0);opacity:1}
@media(max-width:950px){.tool-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:700px){nav a{display:none}.tool-grid{grid-template-columns:repeat(2,1fr)}.hero{padding:65px 0 45px}h1{letter-spacing:-2px}}@media(max-width:470px){.tool-grid{grid-template-columns:1fr}.footer-inner{flex-direction:column;gap:8px}.modal-card{padding:22px}}