/* NexToolz v2 Premium design system - single file, no framework, Inter, accessible */
:root{--primary:#4f46e5;--primary-dark:#3730a3;--primary-light:#eef2ff;--accent:#7c3aed;--gradient:linear-gradient(135deg,#4f46e5 0%,#7c3aed 55%,#9333ea 100%);--gradient-soft:linear-gradient(135deg,#eef2ff 0%,#f5f3ff 50%,#fdf2f8 100%);--bg:#f7f8fc;--surface:#fff;--text:#0b1220;--text-2:#1e293b;--muted:#5b6b82;--border:#e2e8f0;--border-dark:#cbd5e1;--success:#15803d;--success-bg:#f0fdf4;--error:#dc2626;--error-bg:#fef2f2;--warning:#b45309;--warning-bg:#fffbeb;--radius:16px;--radius-sm:10px;--radius-lg:22px;--shadow-sm:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.04);--shadow:0 6px 18px rgba(15,23,42,.08);--shadow-lg:0 18px 42px rgba(79,70,229,.18);--shadow-card:0 2px 8px rgba(15,23,42,.05);--font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;--header-h:68px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,canvas,video{max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid rgba(79,70,229,.55);outline-offset:2px;border-radius:4px}
::selection{background:#c7d2fe;color:#1e1b4b}
h1,h2,h3,h4{line-height:1.22;margin:0 0 .6em;font-weight:800;letter-spacing:-.02em;color:var(--text)}
h1{font-size:clamp(2rem,4.6vw,3rem)}
h2{font-size:clamp(1.45rem,3vw,1.95rem);margin-top:2em}
h3{font-size:1.12rem}
p{margin:0 0 1em}
.skip-link{position:absolute;left:16px;top:-60px;z-index:200;background:var(--primary);color:#fff;padding:10px 16px;border-radius:0 0 10px 10px;font-weight:700;transition:top .15s}
.skip-link:focus{top:0;color:#fff;text-decoration:none}
.container{max-width:1160px;margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.text-center{text-align:center}
.muted{color:var(--muted)}
.hidden{display:none!important}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.88);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border-bottom:1px solid var(--border)}
.header-inner{max-width:1160px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;height:var(--header-h)}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.28rem;color:var(--text);letter-spacing:-.02em}
.logo:hover{text-decoration:none}
.logo-mark{width:36px;height:36px;border-radius:11px;background:var(--gradient);display:inline-flex;align-items:center;justify-content:center;flex:none;box-shadow:0 6px 16px rgba(124,58,237,.35)}
.logo-mark svg{width:20px;height:20px}
.logo span em{font-style:normal;background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
.main-nav{display:flex;align-items:center;gap:2px}
.main-nav a{color:var(--muted);font-weight:600;font-size:.93rem;padding:8px 11px;border-radius:999px;white-space:nowrap}
.main-nav a:hover{color:var(--primary-dark);background:var(--primary-light);text-decoration:none}
.nav-cta{background:var(--gradient)!important;color:#fff!important;padding:9px 16px!important}
.nav-cta:hover{color:#fff!important;filter:brightness(1.06)}
.nav-toggle{display:none;background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 10px;cursor:pointer;color:var(--text)}
.nav-toggle svg{width:22px;height:22px;display:block}
.hero{position:relative;overflow:hidden;background:radial-gradient(900px 420px at 15% -60px,rgba(79,70,229,.20),transparent 60%),radial-gradient(900px 420px at 85% -40px,rgba(219,39,119,.14),transparent 60%),var(--gradient-soft);padding:84px 0 56px;text-align:center;border-bottom:1px solid var(--border)}
.hero h1{margin-bottom:.35em;max-width:820px;margin-left:auto;margin-right:auto}
.hero h1 .grad{background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.16rem;color:var(--muted);max-width:660px;margin:0 auto 1.5em;line-height:1.6}
.hero-badges{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:1.6em}
.badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.92);border:1px solid var(--border);padding:7px 14px;border-radius:999px;font-size:.85rem;font-weight:600;color:var(--text-2);box-shadow:var(--shadow-sm)}
.badge svg{width:14px;height:14px;color:var(--success)}
.hero-stats{display:flex;justify-content:center;flex-wrap:wrap;max-width:680px;margin:0 auto 1.8em;background:rgba(255,255,255,.88);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.hero-stat{flex:1 1 120px;padding:14px 10px;text-align:center}
.hero-stat strong{display:block;font-size:1.45rem;line-height:1.1;color:var(--primary-dark)}
.hero-stat span{font-size:.8rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font);font-weight:700;font-size:1rem;padding:12px 24px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .14s,box-shadow .14s,filter .14s;text-decoration:none;line-height:1.4}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 8px 20px rgba(79,70,229,.28)}
.btn-primary:hover{box-shadow:var(--shadow-lg);color:#fff;filter:brightness(1.05)}
.btn-secondary{background:var(--surface);color:var(--primary-dark);border-color:var(--border-dark)}
.btn-secondary:hover{border-color:var(--primary);background:var(--primary-light)}
.btn-ghost{background:transparent;color:var(--muted);padding:10px 16px}
.btn-ghost:hover{color:var(--text);background:#f1f5f9}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn svg{width:18px;height:18px;flex:none}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:1.2em}
.search-wrap{max-width:600px;margin:0 auto 2.2em;position:relative}
.search-wrap svg{position:absolute;left:22px;top:50%;transform:translateY(-50%);width:19px;height:19px;color:var(--muted);pointer-events:none;z-index:1}
.search-wrap input{width:100%;padding:15px 48px 15px 58px;font-size:1rem;font-family:var(--font);border:1px solid var(--border-dark);border-radius:999px;background:var(--surface);box-shadow:var(--shadow);outline:none}
.search-wrap input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(79,70,229,.16)}
.category-section{padding:6px 0}
.category-title{display:flex;align-items:center;gap:12px;margin:2.6em 0 1.1em}
.category-title .cat-icon{width:42px;height:42px;border-radius:13px;background:var(--primary-light);border:1px solid #e0e7ff;display:inline-flex;align-items:center;justify-content:center;flex:none}
.category-title .cat-icon svg{width:22px;height:22px;color:var(--primary)}
.category-title h2{margin:0;font-size:1.45rem}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:18px}
.tool-card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:10px;transition:transform .16s,box-shadow .16s,border-color .16s;color:var(--text);box-shadow:var(--shadow-card);overflow:hidden}
.tool-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient);opacity:0;transition:opacity .16s}
.tool-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#c7d2fe;text-decoration:none}
.tool-card:hover::before{opacity:1}
.tool-icon{width:50px;height:50px;border-radius:14px;background:var(--gradient);display:inline-flex;align-items:center;justify-content:center;box-shadow:0 8px 18px rgba(124,58,237,.28)}
.tool-icon svg{width:24px;height:24px;color:#fff}
.tool-card h3{margin:0;font-size:1.06rem}
.tool-card p{margin:0;font-size:.92rem;color:var(--muted);flex:1;line-height:1.55}
.tool-card .card-link,.card-link{font-size:.9rem;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.tool-card .card-link svg{width:16px;height:16px}
.tool-wrap{max-width:840px;margin:0 auto}
.page-head{padding:44px 0 8px}
.page-head h1{max-width:760px}
.breadcrumb{font-size:.86rem;color:var(--muted);margin-bottom:.9em;display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.breadcrumb a{color:var(--muted);font-weight:600}
.breadcrumb a:hover{color:var(--primary)}
.tool-ui{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:30px;margin:1.6em 0}
.prose{max-width:840px}
.prose ul,.prose ol{padding-left:1.4em}
.prose li{margin-bottom:.5em}
.benefits-section,.related-section{max-width:840px;margin-top:2.4em}
.benefit-list{list-style:none;padding:0;margin:1em 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.benefit-list li{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;font-size:.94rem;color:var(--muted)}
.benefit-list li strong{display:block;color:var(--text);margin-bottom:2px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin:1em 0 2em}
.related-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:6px;color:var(--text);box-shadow:var(--shadow-card);transition:transform .15s,box-shadow .15s,border-color .15s}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c7d2fe;text-decoration:none}
.related-card strong{font-size:1.02rem}
.related-card span{color:var(--muted);font-size:.92rem;flex:1}
.field{margin-bottom:1.1em}
.field label{display:block;font-weight:700;font-size:.95rem;margin-bottom:.45em}
.field .hint{font-size:.85rem;color:var(--muted);margin-top:.35em}
input[type="text"],input[type="number"],input[type="email"],input[type="password"],input[type="date"],textarea,select{width:100%;font-family:var(--font);font-size:1rem;color:var(--text);border:1px solid var(--border-dark);border-radius:var(--radius-sm);padding:11px 14px;background:#fff;outline:none;transition:border-color .12s,box-shadow .12s}
input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(79,70,229,.15)}
textarea{min-height:130px;resize:vertical}
input[type="range"]{width:100%;accent-color:var(--primary)}
input[type="file"]{font-size:.95rem}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:38px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.checkbox-row{display:flex;align-items:center;gap:10px;font-size:.95rem}
.checkbox-row input{width:auto;accent-color:var(--primary)}
.drop-zone{border:2px dashed var(--border-dark);border-radius:var(--radius);padding:36px 20px;text-align:center;color:var(--muted);cursor:pointer;transition:border-color .12s,background .12s;background:#fbfdff}
.drop-zone:hover,.drop-zone.dragging{border-color:var(--primary);background:var(--primary-light)}
.drop-zone svg{width:36px;height:36px;color:var(--primary);margin-bottom:8px}
.file-list{list-style:none;padding:0;margin:1em 0 0;display:flex;flex-direction:column;gap:8px}
.file-list li{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#f8fafc;border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 12px;font-size:.9rem}
.file-list .remove{background:none;border:none;color:var(--error);cursor:pointer;font-size:1.1rem;line-height:1;padding:4px}
.alert{border-radius:var(--radius-sm);padding:12px 16px;font-size:.95rem;margin:1em 0;border:1px solid}
.alert-error{background:var(--error-bg);border-color:#fecaca;color:#991b1b}
.alert-success{background:var(--success-bg);border-color:#bbf7d0;color:#166534}
.alert-info{background:var(--primary-light);border-color:#c7d2fe;color:#3730a3}
.field-error{color:var(--error);font-size:.85rem;margin-top:.35em;font-weight:600}
input.invalid,textarea.invalid,select.invalid{border-color:var(--error)}
.result-box{background:#f8fafc;border:1px solid var(--border);border-radius:var(--radius-sm);padding:18px;margin-top:1.2em}
.result-box h3{margin-top:0;font-size:1.05rem}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin:1em 0}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px;text-align:center}
.stat .num{font-size:1.5rem;font-weight:800;color:var(--primary)}
.stat .lbl{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.spinner{width:22px;height:22px;border:3px solid #c7d2fe;border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;display:inline-block;vertical-align:-4px}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-row{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.95rem}
.steps{counter-reset:step;list-style:none;padding:0;margin:1.2em 0;display:flex;flex-direction:column;gap:14px}
.steps li{counter-increment:step;position:relative;padding:16px 18px 16px 64px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card)}
.steps li::before{content:counter(step);position:absolute;left:18px;top:16px;width:32px;height:32px;border-radius:50%;background:var(--gradient);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.95rem}
.steps li strong{display:block;margin-bottom:2px}
.faq-list{display:flex;flex-direction:column;gap:10px;margin:1.2em 0}
details.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
details.faq-item summary{cursor:pointer;padding:15px 18px;font-weight:700;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary::after{content:"+";font-size:1.4rem;color:var(--primary);font-weight:400;flex:none;transition:transform .15s}
details.faq-item[open] summary::after{transform:rotate(45deg)}
details.faq-item .faq-answer{padding:0 18px 16px;color:var(--muted);font-size:.96rem}
.table-wrap{overflow-x:auto;margin:1.2em 0}
table.data{width:100%;border-collapse:collapse;font-size:.95rem;background:var(--surface)}
table.data th,table.data td{padding:11px 14px;border:1px solid var(--border);text-align:left}
table.data th{background:var(--primary-light);color:#3730a3;font-weight:700}
table.data tr:nth-child(even) td{background:#f8fafc}
.value-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin:2em 0}
.value-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-card)}
.value-card .tool-icon{margin-bottom:12px}
.value-card h3{margin:0 0 6px;font-size:1.05rem}
.value-card p{margin:0;color:var(--muted);font-size:.93rem}
.site-footer{background:#0b1220;color:#94a3b8;margin-top:80px}
.footer-inner{max-width:1160px;margin:0 auto;padding:56px 20px 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
.footer-brand .logo{color:#fff;margin-bottom:12px}
.footer-brand p{font-size:.92rem;max-width:320px;line-height:1.6}
.footer-badge{display:inline-flex;gap:6px;align-items:center;border:1px solid #1e293b;border-radius:999px;padding:5px 11px;font-size:.8rem;font-weight:600;color:#cbd5e1;margin-top:6px}
.site-footer h4{color:#fff;font-size:.92rem;margin:0 0 14px;text-transform:uppercase;letter-spacing:.06em}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.footer-links a{color:#94a3b8;font-size:.93rem}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-bottom{border-top:1px solid #1e293b;padding-top:22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.85rem}
.error-page{text-align:center;padding:90px 0 30px}
.error-page .code{font-size:5.5rem;font-weight:900;background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}.main-nav{display:none;position:absolute;top:var(--header-h);left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--border);padding:12px 20px 16px;gap:2px;box-shadow:var(--shadow)}.main-nav.open{display:flex}.main-nav a{padding:11px 10px;border-radius:var(--radius-sm)}.nav-toggle{display:block}.header-inner{position:relative}}
@media (max-width:600px){.field-row{grid-template-columns:1fr}.tool-ui{padding:20px 16px}.section{padding:40px 0}.hero{padding:56px 0 38px}.hero-stat{flex:1 1 40%}.footer-grid{grid-template-columns:1fr}.btn{width:100%}.btn-row .btn{width:100%}}
/* Mobile refinements (2026-10-20 audit): tables scroll instead of crushing inputs, stat tiles fit small screens */
.table-wrap table.data{min-width:560px}
.stat .num{overflow-wrap:anywhere}
.btn{touch-action:manipulation}
.prose,.faq-answer{overflow-wrap:break-word}
@media (max-width:600px){.container,.header-inner,.footer-inner{padding-left:16px;padding-right:16px}.stat-grid{grid-template-columns:repeat(auto-fit,minmax(118px,1fr))}.stat .num{font-size:1.22rem}table .btn{width:auto}.steps li{padding:14px 14px 14px 58px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}}

/* Search improvements 2026-10-20: clear button, result count, popular-search chips */
.search-clear{position:absolute;right:10px;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;border:none;background:var(--primary-light);color:var(--primary-dark);font-size:1.1rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0}
.search-clear:hover{background:#e0e7ff}
.search-count{text-align:center;color:var(--muted);font-size:.9rem;margin:.6em 0 0}
.search-chips{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:12px}
.chip{background:var(--surface);border:1px solid var(--border-dark);border-radius:999px;padding:6px 14px;font-family:var(--font);font-size:.88rem;font-weight:600;color:var(--text-2);cursor:pointer;transition:border-color .12s,color .12s}
.chip:hover{border-color:var(--primary);color:var(--primary-dark)}