/*
Theme Name: QRCraft
Theme URI: https://example.com/qrcraft
Author: QRCraft
Author URI: https://example.com
Description: QRCraft is a fast, secure, SEO-ready WordPress theme for QR code & barcode generator/scanner websites. Includes 40+ tools, dark mode, a 26-language switcher, ad slots, schema markup, sitemap, IndexNow and security hardening. Built following ISO 27001-aligned hardening practices.
Version: 1.6.1
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: qrcraft
Tags: tools, seo-ready, dark-mode, multilingual, translation-ready, custom-colors, custom-logo, custom-menu, threaded-comments, blog
*/

/* ============================================================
   QRCraft — Design Tokens (neutral, accessible, colorblind-safe)
   Light + Dark via [data-theme]. Customizer overrides --accent.
   Mobile-first: fluid type, safe widely-supported properties.
   ============================================================ */
:root{
  --bg:#ffffff;
  --bg-soft:#f5f6f8;
  --bg-card:#ffffff;
  --header-bg:#ffffff;
  --border:#e3e6ea;
  --border-strong:#cbd2da;
  --text:#1b2733;
  --text-soft:#48535f;
  --text-muted:#5b6671;
  --accent:#2563eb;
  --accent-hover:#1d4ed8;
  --accent-contrast:#ffffff;
  --ok:#0f766e;
  --ok-bg:#e7f4f2;
  --warn:#b45309;
  --danger:#b91c1c;
  --danger-bg:#fbeaea;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 8px 24px rgba(16,24,40,.06);
  --radius:14px;
  --radius-sm:10px;
  --maxw:1140px;
  --font-sans:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,"Noto Sans","Noto Sans Arabic",sans-serif;
  --font-head:"Georgia","Times New Roman",serif;
}
[data-theme="dark"]{
  --bg:#0f141a;
  --bg-soft:#161d26;
  --bg-card:#161d26;
  --header-bg:#10161d;
  --border:#26303c;
  --border-strong:#36424f;
  --text:#e9edf2;
  --text-soft:#b3bdc8;
  --text-muted:#aab4c0;
  --accent:#5b9bff;
  --accent-hover:#7db0ff;
  --accent-contrast:#0b1016;
  --ok:#34d399;
  --ok-bg:#11241f;
  --warn:#fbbf24;
  --danger:#f87171;
  --danger-bg:#2a1414;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
*,::before,::after{min-width:0}            /* lets flex/grid children shrink instead of overflowing */
html{scroll-behavior:smooth;background:var(--bg);-webkit-text-size-adjust:100%;overflow-x:hidden}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-sans);
  font-size:clamp(15px,1.4vw,17px);line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;max-width:100%;            /* never allow horizontal scroll on mobile */
}
img,svg,video,canvas,iframe,embed,object{max-width:100%;height:auto}
pre,table{max-width:100%;overflow:auto}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.25;color:var(--text);font-weight:700;overflow-wrap:break-word}
h1{font-size:clamp(1.7rem,5.2vw,2.1rem);margin:.2em 0 .4em}
h2{font-size:clamp(1.35rem,4vw,1.6rem);margin:1.3em 0 .5em}
h3{font-size:clamp(1.1rem,3vw,1.25rem);margin:1.1em 0 .4em}
p{margin:0 0 1em;overflow-wrap:break-word}
.container{max-width:var(--maxw);margin:0 auto;padding:0 16px}
.section{padding:clamp(32px,6vw,54px) 0}
.muted{color:var(--text-muted)}
.center{text-align:center}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
.skip-link:focus{position:fixed;width:auto;height:auto;clip:auto;clip-path:none;inset-inline-start:12px;top:12px;background:var(--bg-card);padding:10px 14px;border:1px solid var(--border);z-index:1000;border-radius:8px}

/* Header — solid background (no color-mix / backdrop-filter; those break
   in some mobile in-app browsers and can paint a black box over content). */
.site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);border-bottom:1px solid var(--border);box-shadow:0 2px 14px rgba(16,24,40,.05)}
.header-inner{display:flex;align-items:center;gap:12px;min-height:60px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:700;font-size:1.15rem;color:var(--text);flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand span:not(.logo-mark){white-space:nowrap;max-width:46vw;overflow:hidden;text-overflow:ellipsis}
.brand .logo-mark{width:30px;height:30px;border-radius:8px;background:var(--accent);display:grid;place-items:center;color:var(--accent-contrast);font-size:14px;font-weight:800;font-family:var(--font-sans);flex:0 0 auto}
.main-nav{margin-inline-start:auto}
.nav-mega{display:flex;gap:1px;list-style:none;margin:0;padding:0;flex-wrap:wrap;align-items:center}
.nav-mega>li>a{display:inline-flex;align-items:center;color:var(--text-soft);padding:8px 10px;border-radius:8px;font-size:.92rem;white-space:nowrap;line-height:1.2}
.nav-mega>li>a:hover{background:var(--bg-soft);color:var(--text);text-decoration:none}
.cat-anchor{scroll-margin-top:90px}
.header-tools{display:flex;align-items:center;gap:8px;margin-inline-start:12px}
.icon-btn{display:inline-grid;place-items:center;width:48px;height:48px;border:1px solid var(--border);background:var(--bg-card);color:var(--text);border-radius:10px;cursor:pointer;font-size:1.05rem;flex:0 0 auto}
.icon-btn:hover{border-color:var(--border-strong)}
.lang-picker{position:relative}
.lang-btn{display:inline-flex;align-items:center;gap:7px;height:48px;padding:0 12px;border:1px solid var(--border);background:var(--bg-card);color:var(--text);border-radius:10px;cursor:pointer;font-family:inherit;font-size:.92rem;max-width:46vw}
.lang-btn:hover{border-color:var(--border-strong)}
.lang-btn .lang-flag{font-size:1.05rem;line-height:1}
.lang-btn .lang-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lang-btn .lang-caret{color:var(--text-muted);font-size:.7em}
.lang-panel{position:absolute;top:calc(100% + 8px);inset-inline-end:0;width:min(92vw,420px);background:var(--bg-card);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:14px;z-index:80}
.lang-panel-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:10px;padding-bottom:10px;border-bottom:1px solid var(--border)}
.lang-panel-head>span:first-child{font-weight:700;font-size:.8rem;letter-spacing:.04em;text-transform:uppercase;color:var(--text-soft)}
.lang-count{font-size:.8rem;color:var(--text-muted);white-space:nowrap}
.lang-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px;max-height:58vh;overflow-y:auto}
.lang-opt{display:flex;align-items:center;gap:9px;padding:11px;min-height:48px;border:0;background:none;border-radius:10px;cursor:pointer;font-family:inherit;font-size:.95rem;color:var(--text);text-align:start;width:100%}
.lang-opt:hover{background:var(--bg-soft);text-decoration:none}
.lang-opt .lang-flag{font-size:1.15rem;line-height:1;flex:0 0 auto}
.lang-opt-name{flex:1 1 auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lang-opt .lang-check{display:none;color:var(--accent);font-weight:700;flex:0 0 auto}
.lang-opt.is-active{background:var(--ok-bg);color:var(--accent)}
.lang-opt.is-active .lang-check{display:inline}
@media(max-width:480px){.lang-grid{grid-template-columns:1fr}}
.nav-toggle{display:none}

/* Buttons — comfortable tap targets */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:var(--accent-contrast);border:1px solid var(--accent);padding:13px 20px;border-radius:10px;font-weight:600;cursor:pointer;font-size:1rem;min-height:46px;line-height:1.2}
.btn:hover{background:var(--accent-hover);border-color:var(--accent-hover);text-decoration:none;color:var(--accent-contrast)}
.btn.secondary{background:transparent;color:var(--text);border-color:var(--border-strong)}
.btn.secondary:hover{background:var(--bg-soft);color:var(--text)}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* Hero */
.hero{padding:clamp(40px,8vw,72px) 0 clamp(28px,5vw,40px);background:linear-gradient(180deg,var(--bg-soft),var(--bg))}
.hero h1{font-size:clamp(1.9rem,6.5vw,2.7rem);max-width:18ch}
.hero p.lead{font-size:clamp(1.02rem,2.6vw,1.22rem);color:var(--text-soft);max-width:60ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.hero-cta .btn{flex:1 1 auto}
.trust-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px;color:var(--text-muted);font-size:.9rem}
.trust-row span{display:inline-flex;gap:6px;align-items:center}

/* Tools grid — 2 columns possible on phones */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:14px}
.tool-card{display:block;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:transform .15s,border-color .15s}
.tool-card:hover{transform:translateY(-3px);border-color:var(--accent);text-decoration:none}
.tool-card .ic{width:42px;height:42px;border-radius:10px;background:var(--bg-soft);display:grid;place-items:center;margin-bottom:12px;font-size:18px;font-weight:700;color:var(--text-soft)}
.tool-card h3{margin:0 0 4px;font-size:1.02rem;font-family:var(--font-sans);color:var(--text)}
.tool-card p{margin:0;font-size:.88rem;color:var(--text-muted)}
.cat-badge{display:inline-block;font-size:.72rem;letter-spacing:.04em;text-transform:uppercase;color:var(--text-muted);border:1px solid var(--border);border-radius:999px;padding:3px 9px;margin-bottom:12px}

/* Cards / generic */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:clamp(16px,4vw,24px);box-shadow:var(--shadow)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
/* Tool pages: single column on phones/tablets, two columns only when wide. */
.tool-layout{display:grid;grid-template-columns:1fr;gap:22px;align-items:start}
@media(min-width:860px){.tool-layout{grid-template-columns:1.05fr .95fr}}
.tool-layout .card{min-width:0}
.tool-layout .entry-content{overflow-wrap:anywhere}

/* Forms / tool UI */
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px;color:var(--text-soft)}
.field input,.field select,.field textarea{
  width:100%;padding:12px;border:1px solid var(--border-strong);border-radius:10px;
  background:var(--bg);color:var(--text);font-size:16px;font-family:inherit;  /* 16px stops iOS zoom-on-focus */
}
.field input[type="color"]{height:46px;padding:6px}
.field textarea{min-height:96px;resize:vertical}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hint{font-size:.82rem;color:var(--text-muted);margin-top:4px}
.tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px;border-bottom:1px solid var(--border);padding-bottom:10px}
.tab{padding:9px 14px;border:1px solid var(--border);border-radius:999px;background:var(--bg-card);color:var(--text-soft);cursor:pointer;font-size:.9rem;min-height:40px}
.tab[aria-selected="true"]{background:var(--accent);color:var(--accent-contrast);border-color:var(--accent)}
.tool-output{display:grid;place-items:center;min-height:220px;background:var(--bg-soft);border:1px dashed var(--border-strong);border-radius:var(--radius);padding:16px;text-align:center;overflow:hidden}
.tool-output canvas,.tool-output img,.tool-output svg{max-width:100%;height:auto}
#reader{width:100%;max-width:480px;margin:0 auto}
.result-box{word-break:break-all;overflow-wrap:anywhere;background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;padding:12px;margin-top:12px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9rem}

/* Ad slots */
.ad-slot{margin:22px auto;text-align:center;min-height:1px;max-width:100%;overflow:hidden}
.ad-slot.label::before{content:"Advertisement";display:block;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin-bottom:6px}

/* Breadcrumbs */
.breadcrumbs{font-size:.86rem;color:var(--text-muted);padding:14px 0;overflow-wrap:break-word}
.breadcrumbs a{color:var(--text-soft)}
.breadcrumbs span[aria-current]{color:var(--text)}

/* FAQ / accordions */
.faq details{border:1px solid var(--border);border-radius:12px;padding:4px 16px;margin-bottom:10px;background:var(--bg-card)}
.faq summary{cursor:pointer;font-weight:600;padding:12px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--text-muted);flex:0 0 auto}
.faq details[open] summary::after{content:"\2013"}

/* Content / article */
.article{max-width:760px;margin:0 auto}
.article img{border-radius:12px}
.entry-meta{color:var(--text-muted);font-size:.88rem;margin-bottom:18px}
.related{border-top:1px solid var(--border);margin-top:40px;padding-top:24px}

/* Footer */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--border);margin-top:40px;padding:clamp(30px,6vw,46px) 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:26px}
.footer-grid .footer-h{font-family:var(--font-sans);font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--text-soft);margin:0 0 12px;font-weight:700}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid li{margin-bottom:8px}
.footer-grid a{color:var(--text-soft);font-size:.95rem}
.footer-bottom{margin-top:30px;padding-top:18px;border-top:1px solid var(--border);display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;color:var(--text-muted);font-size:.86rem}
.footer-credit{font-size:.92rem;color:var(--text-soft)}
.footer-credit .heart{color:#e63950}
.footer-credit strong{color:var(--text);font-weight:700}
.footer-bottom nav a{display:inline-flex;align-items:center;min-height:48px;padding:6px 10px;border-radius:8px}
.footer-grid ul a{display:inline-flex;align-items:center;min-height:40px;padding:4px 0}

/* Security badges */
.badges{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.badge{display:flex;align-items:center;gap:10px;border:1px solid var(--border);background:var(--bg-card);border-radius:12px;padding:14px 18px;font-size:.92rem;color:var(--text-soft)}
.badge strong{color:var(--text)}

/* Utilities */
.notice{padding:12px 14px;border-radius:10px;font-size:.92rem;margin:10px 0}
.notice.ok{background:var(--ok-bg);color:var(--ok)}
.notice.err{background:var(--danger-bg);color:var(--danger)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.hp-field{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;clip-path:inset(50%)!important;white-space:nowrap!important}

/* ============ Responsive ============ */
@media(min-width:1700px){:root{--maxw:1320px}}     /* use more space on ultra-wide */
@media(max-width:900px){
  .grid-2,.grid-3,.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:1024px){
  /* Header nav becomes a clean full-width vertical panel */
  .main-nav{order:5;flex-basis:100%;margin:8px 0 0;display:none}
  .main-nav.open{display:block}
  .nav-mega{flex-direction:column;align-items:stretch;gap:0;padding:6px;background:var(--bg-card);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}
  .nav-mega>li{border-bottom:1px solid var(--border)}
  .nav-mega>li:last-child{border-bottom:0}
  .nav-mega>li>a{width:100%;padding:14px 12px;font-size:1.04rem;border-radius:10px;text-align:start}
  .nav-toggle{display:inline-grid;order:3;flex:0 0 auto}
  .header-tools{order:2;flex:0 0 auto;margin-inline-start:auto}
  .header-inner{gap:8px;min-height:58px;row-gap:8px;flex-wrap:wrap}
  .brand{order:1;flex:1 1 auto;min-width:0}                 /* fill the row, ellipsize if needed */
  .brand span:not(.logo-mark){max-width:none}
  .lang-panel{position:fixed;top:62px;inset-inline-end:8px;inset-inline-start:8px;width:auto;max-width:460px;margin-inline-start:auto;max-height:74vh}
}
@media(max-width:560px){
  .field-row{grid-template-columns:1fr}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .hero-cta .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{align-items:center;text-align:center}
  /* One tidy row: brand left, then equal-sized search · language · theme · menu */
  .header-inner{gap:6px;min-height:56px}
  .header-tools{gap:6px;margin-inline-start:auto}
  .icon-btn,.nav-toggle{width:42px;height:42px;font-size:1rem}
  .lang-btn .lang-name{display:none}              /* flag + caret only, like the reference */
  .lang-btn{height:42px;padding:0 9px;gap:5px;max-width:none}
  .brand .logo-mark{width:28px;height:28px;font-size:13px}
  .brand span:not(.logo-mark){font-size:1rem}
  /* Keep the language panel inside the screen, anchored under the header */
  .lang-panel{position:fixed;top:60px;inset-inline-end:8px;inset-inline-start:8px;width:auto;max-width:none;max-height:74vh}
  .lang-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:400px){
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:380px){
  .tools-grid{grid-template-columns:1fr}
}

/* RTL: logical properties handle most of it; ensure dir + Arabic-friendly font */
html[dir="rtl"] body{font-family:"Segoe UI",system-ui,"Noto Sans Arabic","Tahoma",sans-serif}
html[dir="rtl"] .trust-row span,html[dir="rtl"] .badge{direction:rtl}

@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}