:root{--navy:#0B1F3A;--teal:#14C8B4;--teal-dark:#0FA392;--g:linear-gradient(135deg,#0B1F3A,#14C8B4);--ink:#0B1F3A;--mut:#5a6a7a;--bg:#fff;--card:#fff}
*{box-sizing:border-box}body{margin:0;font-family:"Nunito",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}
a{color:var(--teal-dark)}header{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;max-width:960px;margin:auto}
nav a{margin-left:14px;font-weight:800;text-decoration:none;color:var(--ink)}
main{max-width:960px;margin:auto;padding:0 18px 40px}h1{font-weight:900;font-size:clamp(28px,6vw,46px);line-height:1.1;margin:.4em 0 .2em}
.grad{background:var(--g);-webkit-background-clip:text;background-clip:text;color:transparent}.sub{color:var(--mut);margin:0 0 18px;font-size:18px}
.card{background:var(--card);border-radius:20px;box-shadow:0 6px 30px #0B1F3A14;padding:18px}
textarea{width:100%;min-height:220px;border:2px solid #d5e0ea;border-radius:14px;padding:14px;font:inherit;font-size:16px;resize:vertical}
textarea:focus{outline:none;border-color:var(--teal)}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:12px}
.btn{border:0;border-radius:999px;padding:14px 26px;font:inherit;font-weight:900;font-size:18px;cursor:pointer;background:var(--teal);color:#fff}
.btn:hover{background:var(--teal-dark)}.btn.alt{background:#fff;color:var(--teal-dark);border:2px solid var(--teal);font-size:16px;padding:11px 20px}.btn.alt:hover{border-color:var(--teal-dark);color:var(--navy)}.btn:disabled{opacity:.6}
.small{font-size:13px;color:var(--mut)}label.file{cursor:pointer;font-weight:800;color:var(--teal-dark)}
#result{display:none;margin-top:18px}.score{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.big{font-size:64px;font-weight:900;line-height:1}.verdict{font-size:22px;font-weight:900}
.bar{height:14px;border-radius:9px;background:#e8eef3;overflow:hidden;margin:12px 0}.bar>i{display:block;height:100%;background:var(--g)}
.hl{background:#c6f5ef;border-radius:4px}.hl2{background:#e6faf7;border-radius:4px}#marked{white-space:pre-wrap;margin-top:12px;padding:14px;border-radius:12px;background:#f4faf9;max-height:420px;overflow:auto}
ul.sig{padding-left:18px;margin:8px 0}.ad{margin:18px 0;min-height:90px;overflow:hidden;text-align:center}
.modal{position:fixed;inset:0;background:#0008;display:none;align-items:center;justify-content:center;padding:18px}.modal .card{max-width:420px;width:100%}
.modal input{width:100%;padding:12px;border-radius:10px;border:2px solid #d5e0ea;font:inherit;margin:8px 0}
footer{text-align:center;padding:26px;color:var(--mut);font-size:14px}footer a{margin:0 8px}
@media(max-width:600px){nav a{margin-left:8px;font-size:14px}.big{font-size:52px}}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);font-weight:900;font-size:24px;letter-spacing:-.5px}.brand img{width:40px;height:40px;display:block}.brand b{color:var(--teal-dark)}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}.actions .btn{display:flex;align-items:center;justify-content:center;gap:8px;min-height:54px;font-size:18px;padding:12px 16px;width:100%}
.btn.alt.upload{cursor:pointer;border-width:2px}.meta{display:flex;align-items:center;gap:10px;margin-top:10px;flex-wrap:wrap;font-size:13px;color:var(--mut)}
.fname:not(:empty){background:#e6faf7;color:var(--navy);border:1px solid #bfeee8;border-radius:999px;padding:4px 12px;font-weight:700;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fname:not(:empty)+.small{display:none}.clear{margin-left:auto;color:var(--mut);font-size:13px}
@media(max-width:600px){.brand{font-size:20px}.brand img{width:34px;height:34px}}
.actions .btn{white-space:nowrap;border-radius:16px}@media(max-width:400px){.actions .btn{font-size:16px;padding:10px 8px;gap:6px}}

.tools{margin-top:18px}.tools-title{margin:0 0 6px;font-size:20px;font-weight:900;color:var(--navy)}
.tools-disc{margin:0 0 14px}.tools-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tool{display:flex;flex-direction:column;gap:6px;padding:16px;border-radius:16px;border:2px solid #d5e0ea;text-decoration:none;color:var(--ink);background:#f8fcfb;transition:border-color .15s,box-shadow .15s}
.tool:hover{border-color:var(--teal);box-shadow:0 4px 18px #0B1F3A12}.tool-name{font-weight:900;font-size:17px;color:var(--navy)}
.tool-desc{font-size:14px;color:var(--mut);flex:1}.tool-cta{font-weight:800;font-size:14px;color:var(--teal-dark);margin-top:4px}
@media(max-width:600px){.tools-grid{grid-template-columns:1fr}}