:root{--bg:#f8fafc;--card:#fff;--text:#0f172a;--muted:#64748b;--primary:#0284c7;--border:#e2e8f0;--soft:#eef6ff;--ok:#166534;--okbg:#f0fdf4;--warn:#854d0e}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.45}.wrap{max-width:1120px;margin:auto;padding:18px}.top{display:flex;gap:14px;align-items:center;justify-content:space-between;position:sticky;top:0;background:rgba(248,250,252,.92);backdrop-filter:blur(10px);z-index:5;border-bottom:1px solid var(--border)}.brand{font-size:1.55rem;font-weight:900;color:var(--text);text-decoration:none}.brand span{color:var(--primary)}.nav{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.nav a,.lang{border:1px solid var(--border);border-radius:999px;padding:8px 12px;background:var(--card);color:var(--text);text-decoration:none;font-weight:700;font-size:.9rem}.hero{display:grid;grid-template-columns:1.3fr .7fr;gap:18px;align-items:center;padding:28px 0}.card{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:22px;box-shadow:0 2px 8px rgba(15,23,42,.03)}h1{font-size:clamp(2rem,5vw,3.3rem);line-height:1.05;margin:0 0 10px}h2{margin:0 0 14px}.muted{color:var(--muted)}.search{width:100%;font-size:1.05rem;border:1px solid var(--border);border-radius:14px;padding:14px 16px;background:#fff}.cat{margin:22px 0}.cat-title{display:flex;gap:10px;align-items:center;margin-bottom:12px;font-size:1.15rem;font-weight:900}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.tool-card{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--border);background:var(--card);border-radius:16px;padding:14px;text-decoration:none;color:var(--text);min-height:0px}.tool-card:hover{border-color:var(--primary);transform:translateY(-1px)}.emoji{font-size:1.35rem}.tool-title{font-weight:850}.tool-desc{font-size:.84rem;color:var(--muted);margin-top:3px}.breadcrumbs{font-size:.9rem;margin:8px 0 16px}.breadcrumbs a{color:var(--primary);font-weight:700;text-decoration:none}.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px}.tool-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.field-full{grid-column:1/-1}label{display:block;font-weight:800;font-size:.82rem;color:var(--muted);margin-bottom:5px}input,select,textarea{width:100%;padding:12px;border:1px solid var(--border);border-radius:12px;font-size:1rem;background:#fff}textarea{min-height:110px}button{border:0;border-radius:12px;padding:13px 15px;font-weight:900;cursor:pointer}.primary{background:var(--primary);color:white}.secondary{background:var(--soft);color:var(--primary)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.result{margin-top:16px;background:var(--okbg);border:1px solid #bbf7d0;color:var(--ok);border-radius:16px;padding:16px}.result-line{display:flex;justify-content:space-between;align-items:baseline;gap:32px;padding:8px 0;border-bottom:1px solid rgba(22,101,52,.15)}.result-line strong{margin-left:18px;text-align:right;min-width:120px}.result-line:last-child{border-bottom:0}.ad{min-height:96px;border:1px dashed #cbd5e1;background:#f1f5f9;color:#94a3b8;border-radius:16px;display:flex;align-items:center;justify-content:center;text-align:center;font-weight:800;font-size:.75rem;margin:16px 0}.side .ad{min-height:260px}.note{font-size:.92rem;color:var(--muted);background:#fff7ed;border:1px solid #fed7aa;border-radius:14px;padding:12px;margin-top:14px}.footer{margin-top:34px;padding-top:20px;border-top:1px solid var(--border);color:var(--muted);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.footer a{color:var(--muted)}pre,code{white-space:pre-wrap;word-break:break-word}.pill{display:inline-flex;background:var(--soft);color:var(--primary);font-weight:800;padding:5px 9px;border-radius:999px;font-size:.82rem}@media(max-width:900px){.hero,.tool-layout{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.side .ad{min-height:96px}}@media(max-width:560px){.wrap{padding:12px}.top{align-items:flex-start}.grid,.tool-form{grid-template-columns:1fr}.nav a:not(.keep){display:none}.card{padding:16px}.result-line{display:block}.result-line strong{display:block;margin-left:0;margin-top:4px;text-align:left;min-width:0}}

/* V6.1 clean navigation */
.top-inner{display:flex;gap:14px;align-items:center;justify-content:space-between;width:100%}
.lang-control{display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--border);border-radius:999px;padding:6px 10px;box-shadow:0 1px 5px rgba(15,23,42,.04)}
.lang-icon{font-size:1rem;line-height:1}.lang-control .lang{appearance:none;-webkit-appearance:none;border:0;background:transparent;padding:5px 24px 5px 2px;font-weight:800;color:var(--text);cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 10px) 50%,calc(100% - 5px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}.lang-control .lang:focus{outline:2px solid rgba(2,132,199,.25);outline-offset:4px;border-radius:8px}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.hero-simple{display:block;max-width:780px;padding:34px 0 20px}.hero-simple h1{margin-bottom:12px}.search{display:none!important}
@media(max-width:620px){.top-inner{padding:12px}.brand{font-size:1.35rem}.lang-control .lang{max-width:138px}.hero-simple{padding:22px 0 12px}}
.nav a{display:none}