/*
Theme Name: ToolNexora Premium
Theme URI: https://toolnexora.com
Author: ToolNexora
Description: Responsive tools directory and AI blog theme with built-in browser utilities.
Version: 4.3.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: toolnexora
License: GPL-2.0-or-later
*/
:root{--bg:#f7f9ff;--surface:#fff;--text:#15213d;--muted:#65718a;--border:#e4e9f5;--primary:#4d50e8;--accent:#8a47ef;--shadow:0 12px 36px rgba(30,40,90,.07)}body.dark{--bg:#0e1426;--surface:#19223a;--text:#f2f5ff;--muted:#a8b4cd;--border:#303d5a;--shadow:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}a:hover{color:var(--primary)}button,input,textarea,select{font:inherit}button{cursor:pointer}.wrap{max-width:1160px;margin:auto;padding:0 22px}.site-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:30}.nav{min-height:76px;display:flex;align-items:center;gap:28px}.brand{font-weight:850;font-size:24px;letter-spacing:-1px;white-space:nowrap}.brand span{color:var(--primary)}.nav-links{display:flex;gap:25px;margin-left:auto;align-items:center}.nav-links a{font-weight:600;font-size:14px}.theme-toggle,.menu-toggle{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:12px;padding:9px 13px}.menu-toggle{display:none}.hero{padding:82px 0 68px;text-align:center;background:radial-gradient(ellipse at 50% 0,rgba(99,91,255,.14),transparent 65%)}.eyebrow{display:inline-block;border:1px solid #aaa9f7;border-radius:30px;padding:5px 16px;color:var(--primary);font-size:13px;font-weight:700;background:var(--surface)}h1,h2,h3{line-height:1.2;letter-spacing:-.035em}h1{font-size:clamp(37px,6vw,64px);max-width:850px;margin:22px auto}h1 span,.gradient{background:linear-gradient(100deg,var(--primary),var(--accent));color:transparent;background-clip:text}.hero p{color:var(--muted);max-width:620px;margin:0 auto 28px;font-size:18px}.search-wrap{max-width:660px;margin:0 auto;position:relative}.search-wrap input{width:100%;padding:19px 22px;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:15px;box-shadow:var(--shadow);outline:0}.search-wrap input:focus{border-color:var(--primary)}.quick-links{display:flex;justify-content:center;flex-wrap:wrap;gap:9px;margin-top:20px}.chip,.filter{border:1px solid var(--border);background:var(--surface);color:var(--text);padding:8px 15px;border-radius:30px;font-size:13px}.filter.active,.chip:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.section{padding:48px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:24px}.section-title h2{font-size:31px;margin:0}.section-title p{color:var(--muted);margin:7px 0 0}.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}.tool-grid,.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:19px}.tool-card,.post-card,.panel{background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow)}.tool-card{padding:25px;transition:transform .2s,border-color .2s}.tool-card:hover{transform:translateY(-4px);border-color:var(--primary)}.tool-icon{width:50px;height:50px;border-radius:13px;background:linear-gradient(140deg,#e7e8ff,#f0e5ff);display:grid;place-items:center;font-size:25px;margin-bottom:18px}.tool-card h3{margin:0 0 7px;font-size:19px}.tool-card p{color:var(--muted);font-size:14px;margin:0 0 15px}.tool-card .action{color:var(--primary);font-weight:700;font-size:14px}.empty{padding:30px;color:var(--muted)}.banner{background:linear-gradient(110deg,#4449d7,#8d4bea);color:white;padding:42px;border-radius:22px;display:flex;justify-content:space-between;align-items:center;gap:25px}.banner h2{font-size:29px;margin:0 0 9px}.banner p{margin:0;opacity:.88}.banner a,.btn{background:var(--primary);color:#fff;border:0;border-radius:11px;padding:12px 20px;display:inline-block;font-weight:700}.banner a{background:#fff;color:#4345bb;white-space:nowrap}.post-card{overflow:hidden}.post-card .inner{padding:24px}.post-card h3{font-size:19px;margin:0 0 10px}.post-card p{font-size:14px;color:var(--muted)}.post-thumb{height:130px;background:linear-gradient(125deg,#dce6ff,#e9d9ff);display:grid;place-items:center;font-size:42px}.site-footer{margin-top:65px;background:var(--surface);border-top:1px solid var(--border);padding:48px 0 25px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:35px}.footer-grid p,.footer-bottom{color:var(--muted);font-size:14px}.footer-grid a{display:block;margin:8px 0;font-size:14px}.footer-bottom{border-top:1px solid var(--border);padding-top:20px;margin-top:35px}.content-area{max-width:850px;margin:55px auto;padding:0 22px}.content-area h1{font-size:clamp(32px,5vw,45px);margin:0 0 20px}.content-area .panel{padding:32px}.entry-content img{max-width:100%;height:auto}.entry-content a{color:var(--primary);text-decoration:underline}.tool-app{margin:25px 0;padding:25px;border:1px solid var(--border);border-radius:16px;background:var(--bg)}.tool-app textarea,.tool-app input,.tool-app select{width:100%;padding:13px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);margin:7px 0 13px}.tool-app textarea{min-height:140px;resize:vertical}.tool-app .output{padding:15px;border:1px dashed var(--border);border-radius:10px;min-height:55px;white-space:pre-wrap;overflow-wrap:anywhere}.tool-app .btn{margin:5px 7px 5px 0}.muted{color:var(--muted)}.ad-slot{min-height:90px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px;border:1px dashed var(--border);border-radius:12px;margin:25px 0}.screen-reader-text{position:absolute;clip:rect(1px,1px,1px,1px);width:1px;height:1px;overflow:hidden}.screen-reader-text:focus{position:static;width:auto;height:auto}.pagination{margin:25px 0}.pagination a,.pagination span{margin-right:10px}.site-header .custom-logo{max-height:45px;width:auto}@media(max-width:780px){.nav{flex-wrap:wrap;gap:12px;min-height:67px}.nav-links{display:none;order:3;width:100%;flex-direction:column;align-items:stretch;padding-bottom:15px;gap:12px}.nav-links.open{display:flex}.theme-toggle{margin-left:auto}.menu-toggle{display:block}.hero{padding:55px 0}.tool-grid,.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1fr 1fr}.banner{display:block}.banner a{margin-top:20px}}@media(max-width:540px){.tool-grid,.post-grid,.footer-grid{grid-template-columns:1fr}.section-title h2{font-size:26px}.tool-card{padding:21px}.banner{padding:27px}.content-area .panel{padding:20px}}

/* Premium v2 enhancements */
:focus-visible{outline:3px solid var(--primary);outline-offset:3px}.tool-card[hidden]{display:none!important}.site-header .custom-logo-link{display:inline-flex;align-items:center}.site-header .custom-logo{max-width:170px;max-height:48px;object-fit:contain}.tool-card:hover{box-shadow:0 18px 44px rgba(61,69,170,.13)}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Premium v3 layout refinements */
.hero{position:relative;overflow:hidden;background:radial-gradient(ellipse at 12% 0%,rgba(77,80,232,.13),transparent 44%),radial-gradient(ellipse at 88% 20%,rgba(138,71,239,.14),transparent 43%),var(--bg)}
.hero .wrap{position:relative;z-index:1}.hero h1{font-weight:850;letter-spacing:-.055em}.search-wrap input{box-shadow:0 18px 55px rgba(67,73,158,.12)}
.trust-strip{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--surface)}.trust-items{display:flex;justify-content:center;flex-wrap:wrap;gap:18px 38px;padding-top:16px;padding-bottom:16px;font-size:13px;font-weight:650;color:var(--muted)}
.tool-card{position:relative;overflow:hidden}.tool-card:focus-visible{border-color:var(--primary)}.tool-card .action{display:inline-flex;align-items:center;gap:6px}
.info-panel{display:flex;justify-content:space-between;gap:40px;align-items:center;background:var(--surface);border:1px solid var(--border);padding:35px;border-radius:22px;box-shadow:var(--shadow)}.info-panel h2{font-size:clamp(25px,3vw,34px);margin:15px 0}.info-panel p{color:var(--muted);max-width:640px;margin:0}.info-links{display:flex;flex-direction:column;gap:10px;min-width:175px}.info-links a{color:var(--primary);font-weight:700}.entry-content{overflow-wrap:anywhere}.entry-content h2{margin-top:1.7em}.entry-content p{line-height:1.85}
@media(max-width:700px){.info-panel{flex-direction:column;align-items:flex-start;padding:25px}.trust-items{justify-content:flex-start;gap:9px 20px}.hero{padding-top:52px}}

/* v4 tool content */
.tnx-related-tools{display:flex;flex-wrap:wrap;gap:12px;margin:12px 0 4px}.tnx-related-tools a{padding:10px 14px;border:1px solid var(--border);border-radius:12px;background:var(--surface);font-weight:600}.tool-app .btn{margin:0 8px 8px 0}.tool-app .output{white-space:pre-wrap;overflow-wrap:anywhere}

/* ToolNexora v4.2 premium individual tool pages */
.tnx-tool-page{padding-top:28px;padding-bottom:42px}.tnx-crumbs{display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:24px}.tnx-crumbs a:hover{color:var(--primary)}
.tnx-tool-hero{display:grid;grid-template-columns:minmax(0,1.03fr) minmax(0,.97fr);align-items:center;gap:30px;padding:42px;border-radius:28px;border:1px solid var(--border);background:radial-gradient(circle at 80% 15%,rgba(156,116,250,.18),transparent 45%),var(--surface);box-shadow:var(--shadow)}
.tnx-tool-label{display:inline-block;color:var(--primary);font-size:12px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;padding:7px 13px;border:1px solid var(--border);border-radius:50px;background:var(--bg)}
.tnx-tool-hero h1{font-size:clamp(32px,4.5vw,54px);letter-spacing:-.045em;margin:16px 0 14px;line-height:1.12}.tnx-tool-hero p{font-size:17px;color:var(--muted);margin:0 0 18px;max-width:520px}.tnx-hero-pills{display:flex;gap:8px;flex-wrap:wrap;font-size:12px;font-weight:700;color:var(--muted)}.tnx-hero-pills span{background:var(--bg);border:1px solid var(--border);border-radius:20px;padding:5px 10px}
.tnx-hero-cta{display:inline-block;margin-top:24px;padding:12px 22px;border-radius:12px;background:linear-gradient(110deg,var(--primary),var(--accent));color:#fff;font-weight:800}.tnx-hero-cta:hover{color:#fff;filter:brightness(1.08)}
.tnx-tool-hero-art img{display:block;width:100%;height:auto;border-radius:18px;box-shadow:0 16px 34px rgba(64,54,140,.1)}
.tnx-tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:25px;align-items:start;margin-top:27px}.tnx-tool-main{display:grid;gap:22px;min-width:0}
.tnx-v42-card{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);border-radius:22px;padding:28px;overflow-wrap:anywhere}.tnx-v42-card h2{font-size:clamp(21px,3vw,27px);margin:0 0 18px}.tnx-v42-card p{color:var(--muted);line-height:1.8}.tnx-v42-card li{margin:12px 0;color:var(--muted)}.tnx-section-head{display:flex;align-items:center;gap:14px}.tnx-section-head h2{margin:0 0 4px}.tnx-section-head p{margin:0}.tnx-section-icon{font-size:27px;background:var(--bg);border-radius:14px;padding:12px}.tnx-workspace .tool-app{margin:22px 0 0}.tnx-workspace .tool-app .output{background:var(--surface);min-height:65px}
.tnx-steps{padding-left:26px;counter-reset:tnx-step;list-style:none}.tnx-steps li{position:relative;padding:5px 0 10px 28px}.tnx-steps li:before{counter-increment:tnx-step;content:counter(tnx-step);position:absolute;left:-26px;top:1px;display:grid;place-items:center;background:var(--primary);color:#fff;width:30px;height:30px;border-radius:10px;font-size:14px;font-weight:800}
.tnx-benefits{display:grid;grid-template-columns:1fr 1fr;gap:13px}.tnx-benefits>div{padding:19px;border:1px solid var(--border);border-radius:14px;background:var(--bg)}.tnx-benefits strong{color:var(--text)}.tnx-benefits p{margin:8px 0 0;font-size:14px}
.tnx-faq{border-bottom:1px solid var(--border);padding:14px 0}.tnx-faq summary{font-weight:750;cursor:pointer;padding-right:10px}.tnx-faq p{margin:10px 0 4px}
.tnx-v42-related{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.tnx-v42-related a{display:grid;gap:5px;padding:17px;border:1px solid var(--border);border-radius:14px;background:var(--bg)}.tnx-v42-related a:hover{border-color:var(--primary)}.tnx-v42-related a span{font-size:26px}.tnx-v42-related a small{color:var(--primary)}
.tnx-tool-sidebar{position:sticky;top:98px}.tnx-sidebar-inner{padding:23px}.tnx-sidebar-inner h2{font-size:17px;margin:0 0 15px}.tnx-sidebar-inner a{display:block;padding:8px 0;color:var(--muted);font-size:14px;border-bottom:1px solid var(--border)}.tnx-sidebar-inner a:hover{color:var(--primary)}
@media(max-width:920px){.tnx-tool-layout{grid-template-columns:minmax(0,1fr)}.tnx-tool-sidebar{display:none}}
@media(max-width:700px){.tnx-tool-hero{grid-template-columns:1fr;padding:23px;gap:20px}.tnx-tool-hero-art{order:-1}.tnx-v42-card{padding:20px}.tnx-benefits,.tnx-v42-related{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.tnx-tool-page *{scroll-behavior:auto}}

/* v4.3 hero polish */
.tnx-tool-page .tnx-tool-hero{background:linear-gradient(125deg,rgba(93,79,233,.07),rgba(160,107,250,.11)),var(--surface)}.tnx-tool-page .tnx-tool-hero h1{max-width:none;margin:15px 0}.tnx-tool-page .tnx-tool-hero-art img{border:1px solid var(--border)}.tnx-tool-page .tnx-v42-card{margin:0}.tnx-tool-page .tnx-workspace .tool-app{background:var(--bg)}