:root{--ink:#10213b;--muted:#64748b;--line:#e3eaf2;--paper:#f7f9fc;--white:#fff;--blue:#2563eb;--blue-dark:#1d4ed8;--cyan:#0ea5e9;--green:#0f9f6e;--red:#c0392b;--shadow:0 16px 45px rgba(16,33,59,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--paper);line-height:1.6}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}.container{width:min(1160px,calc(100% - 40px));margin:auto}.site-header{background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.03em}.brand-mark{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--blue),var(--cyan));border-radius:11px;box-shadow:0 7px 16px rgba(37,99,235,.25)}.main-nav{display:flex;gap:26px;align-items:center;font-size:14px;font-weight:700}.nav-admin{border:1px solid var(--line);border-radius:9px;padding:8px 13px}.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 11px}.flash{position:fixed;right:20px;top:92px;z-index:50;padding:12px 16px;border-radius:10px;background:var(--white);box-shadow:var(--shadow);border-left:4px solid var(--blue)}.flash.error{border-color:var(--red)}.hero{padding:88px 0 76px;background:radial-gradient(circle at 84% 20%,#dceeff,transparent 34%),linear-gradient(180deg,#fff 0%,#f7f9fc 100%)}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}.eyebrow{display:inline-block;color:var(--blue);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.14em}.hero h1{font-size:clamp(42px,6vw,72px);line-height:1.03;letter-spacing:-.06em;margin:15px 0 22px}.hero p{font-size:19px;color:var(--muted);max-width:630px}.search-box{margin-top:30px;display:flex;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:7px}.search-box input{border:0;outline:0;flex:1;padding:12px;background:transparent}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;padding:11px 17px;font-weight:800;cursor:pointer;transition:transform .16s ease,background .16s ease}.button:active{transform:scale(.97)}.button-primary{background:var(--blue);color:#fff}.button-primary:hover{background:var(--blue-dark);color:#fff}.button-secondary{background:#eaf1ff;color:var(--blue)}.hero-card{background:var(--ink);color:#fff;border-radius:22px;padding:30px;box-shadow:0 22px 60px rgba(16,33,59,.22);transform:rotate(2deg)}.hero-card .metric{display:flex;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.15);padding:14px 0;color:#cfe0ff}.hero-card strong{color:#fff}.section{padding:72px 0}.section-heading{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:28px}.section-heading h2{font-size:34px;letter-spacing:-.04em;margin:0}.muted{color:var(--muted)}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tool-card-link{background:#fff;border:1px solid var(--line);border-radius:15px;padding:22px;box-shadow:0 7px 22px rgba(16,33,59,.04);transition:transform .18s ease,box-shadow .18s ease}.tool-card-link:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.tool-card-link h3{margin:12px 0 5px;font-size:18px}.tool-card-link p{color:var(--muted);font-size:14px;margin:0}.tool-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;background:#eaf1ff;color:var(--blue);font-weight:900}.tool-page{padding:52px 0 90px;max-width:900px}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:25px}.tool-hero{margin-bottom:25px}.tool-hero h1{font-size:46px;letter-spacing:-.05em;margin:10px 0}.tool-hero p{color:var(--muted);font-size:18px}.tool-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow)}label{display:block;font-size:13px;font-weight:800;margin:15px 0 7px}input,textarea,select{width:100%;border:1px solid #d8e1ec;background:#fff;border-radius:9px;padding:12px 13px;font:inherit;color:var(--ink);outline:none}input:focus,textarea:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px #dbeafe}textarea{resize:vertical}.tool-card .button{margin-top:20px}.result-box{margin-top:28px;border-radius:12px;padding:18px;background:#f5f9ff;border:1px solid #cfe0ff}.result-box.error{background:#fff6f5;border-color:#f2c4c0}.result-box h2{margin-top:0}.result-item{margin-top:15px}.result-item pre{white-space:pre-wrap;background:#fff;padding:12px;border-radius:8px;border:1px solid var(--line);overflow:auto}.site-footer{background:#0b172a;color:#d9e5f5;padding:54px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.site-footer h3{font-size:14px;color:#fff}.site-footer a{display:block;margin:8px 0;color:#b7c6d9}.site-footer a.brand{display:inline-flex;color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;font-size:13px;color:#8ea0b8}.empty{padding:35px;text-align:center;background:#fff;border:1px dashed #c8d4e3;border-radius:12px}.admin-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.admin-sidebar{background:var(--ink);color:#d7e3f2;padding:25px 18px}.admin-sidebar a{display:block;padding:10px 12px;border-radius:8px;color:#c4d1e2;font-size:14px}.admin-sidebar a:hover{background:#203655;color:#fff}.admin-main{padding:30px}.admin-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.stat-card strong{display:block;font-size:27px}.table-wrap{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:auto;margin-top:25px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:13px 15px;border-bottom:1px solid var(--line);font-size:14px}th{background:#f4f7fb}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:17px;padding:28px;box-shadow:var(--shadow)}
@media(max-width:800px){.container{width:min(100% - 28px,1160px)}.main-nav{display:none;position:absolute;left:14px;right:14px;top:68px;background:#fff;border:1px solid var(--line);padding:15px;border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:8px}.main-nav.open{display:flex}.nav-toggle{display:block}.hero{padding:58px 0}.hero-grid{grid-template-columns:1fr;gap:25px}.hero-card{transform:none}.tool-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.admin-shell{grid-template-columns:1fr}.admin-sidebar{min-height:auto}.stat-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.tool-grid,.footer-grid,.stat-grid{grid-template-columns:1fr}.hero h1{font-size:43px}.search-box{display:block;background:transparent;border:0;box-shadow:none;padding:0}.search-box input{background:#fff;border:1px solid var(--line);border-radius:9px;margin-bottom:9px}.search-box .button{width:100%}.tool-hero h1{font-size:35px}}