/* Al Sharq — shared stylesheet
   Theme: WHITE (light) by default; dark mode via [data-theme="dark"] on <html>.
   Brand: emerald primary. Tool authors: use ONLY the component classes documented at top of each section. */

:root{
  color-scheme:light;
  --page-bg:#f8fafc;
  --card:#ffffff; --card-border:#e2e8f0;
  --text:#0f172a; --muted:#64748b;
  --primary:#0f766e; --primary-dark:#115e59; --primary-light:#2dd4bf;
  --success:#16a34a; --warning:#d97706; --danger:#dc2626;
  --radius:1rem; --radius-lg:1.5rem;
  --header-bg:rgba(255,255,255,.88); --header-border:#e2e8f0;
  --header-text:#0f172a; --brand-sub:#0f766e;
  --nav-link:#475569; --nav-hover-bg:#f0fdfa; --nav-hover-color:#0f172a;
  --hero-text:#0f172a; --hero-sub:#475569;
  --search-bg:#ffffff; --search-border:#cbd5e1; --search-text:#0f172a; --search-placeholder:#94a3b8;
  --section-title:#0f172a; --section-sub:#64748b;
  --glass-bg:#ffffff; --glass-border:#e2e8f0; --glass-hover:#f0fdfa;
  --glass-text:#0f172a; --glass-sub:#64748b;
  --card-shadow:0 10px 30px -12px rgba(15,23,42,.14);
  --breadcrumb:#64748b; --breadcrumb-link:#0f766e;
  --tool-head:#0f172a; --tagline:#475569;
  --ad-bg:#f8fafc; --ad-border:#cbd5e1; --ad-label:#94a3b8;
  --hdr-btn-bg:#f0fdfa; --hdr-btn-border:#ccfbf1; --hdr-btn-color:#115e59; --hdr-btn-hover:#ccfbf1;
  --footer-border:#e2e8f0; --footer-text:#64748b; --footer-link:#0f766e; --footer-strong:#0f172a;
}
[data-theme="dark"]{
  color-scheme:dark;
  --page-bg:linear-gradient(135deg,#18181b,#27272a,#09090b);
  --header-bg:rgba(15,23,42,.72); --header-border:rgba(255,255,255,.1);
  --header-text:#ffffff; --brand-sub:#5eead4;
  --nav-link:#cbd5e1; --nav-hover-bg:rgba(255,255,255,.1); --nav-hover-color:#ffffff;
  --hero-text:#ffffff; --hero-sub:#5eead4;
  --search-bg:rgba(255,255,255,.12); --search-border:rgba(255,255,255,.2); --search-text:#ffffff; --search-placeholder:#a1a1aa;
  --section-title:#ffffff; --section-sub:#a1a1aa;
  --glass-bg:rgba(255,255,255,.08); --glass-border:rgba(255,255,255,.12); --glass-hover:rgba(255,255,255,.14);
  --glass-text:#ffffff; --glass-sub:#a1a1aa;
  --card-shadow:0 20px 50px -20px rgba(0,0,0,.45);
  --breadcrumb:#a1a1aa; --breadcrumb-link:#5eead4;
  --tool-head:#ffffff; --tagline:#5eead4;
  --ad-bg:rgba(255,255,255,.05); --ad-border:rgba(255,255,255,.18); --ad-label:#94a3b8;
  --hdr-btn-bg:rgba(255,255,255,.1); --hdr-btn-border:rgba(255,255,255,.16); --hdr-btn-color:#ffffff; --hdr-btn-hover:rgba(255,255,255,.2);
  --footer-border:rgba(255,255,255,.1); --footer-text:#94a3b8; --footer-link:#5eead4; --footer-strong:#ffffff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; min-height:100vh;
  background:var(--page-bg);
  background-attachment:fixed;
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;
}
a{color:var(--primary)}
.wrap{max-width:72rem;margin:0 auto;padding:0 1rem}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px);
  background:var(--header-bg);border-bottom:1px solid var(--header-border)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;
  padding-top:.8rem;padding-bottom:.8rem;gap:1rem;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--header-text)}
.brand-mark{width:2.5rem;height:2.5rem;border-radius:.8rem;background:var(--primary);
  color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px -6px rgba(15,118,110,.55);font-size:1rem}
.brand-name{font-weight:800;color:var(--header-text);letter-spacing:.02em}
.brand-sub{font-size:.72rem;color:var(--brand-sub)}
.main-nav{display:flex;gap:.25rem;flex-wrap:wrap;align-items:center}
.main-nav a{color:var(--nav-link);text-decoration:none;font-size:.85rem;font-weight:600;
  padding:.5rem .8rem;border-radius:.6rem}
.main-nav a:hover,.main-nav a.active{background:var(--nav-hover-bg);color:var(--nav-hover-color)}
#theme-toggle-btn{display:inline-flex;align-items:center;gap:.35rem;background:var(--hdr-btn-bg);
  border:1px solid var(--hdr-btn-border);color:var(--hdr-btn-color);font-size:.8rem;font-weight:700;
  padding:.5rem .85rem;border-radius:.6rem;cursor:pointer}
#theme-toggle-btn:hover{background:var(--hdr-btn-hover)}

/* ---------- hero ---------- */
.hero{text-align:center;color:var(--hero-text);padding:3.5rem 1rem 2.5rem}
.hero h1{font-size:2.2rem;margin:0 0 .6rem;font-weight:800;letter-spacing:-.02em}
.hero p{color:var(--hero-sub);max-width:44rem;margin:0 auto 1.6rem;font-size:1.05rem}
.search-box{max-width:36rem;margin:0 auto;position:relative}
.search-box input{width:100%;padding:1rem 1.2rem 1rem 3rem;border-radius:999px;border:1px solid var(--search-border);
  background:var(--search-bg);color:var(--search-text);font-size:1rem;outline:none}
.search-box input::placeholder{color:var(--search-placeholder)}
.search-box .s-icon{position:absolute;left:1.1rem;top:50%;transform:translateY(-50%);font-size:1.1rem}

/* ---------- cards / grids ---------- */
.card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius-lg);
  padding:1.6rem;box-shadow:var(--card-shadow)}
.section{padding:2rem 0}
.section-title{color:var(--section-title);font-size:1.4rem;font-weight:800;margin:0 0 .4rem}
.section-sub{color:var(--section-sub);margin:0 0 1.4rem;font-size:.95rem}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(11rem,1fr));gap:.9rem}
.cat-card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius);
  padding:1.2rem 1rem;text-decoration:none;color:var(--glass-text);display:block;transition:transform .15s,background .15s}
.cat-card:hover{background:var(--glass-hover);transform:translateY(-2px)}
.cat-card .ic{font-size:1.7rem}
.cat-card h3{margin:.5rem 0 .2rem;font-size:1rem}
.cat-card p{margin:0;font-size:.78rem;color:var(--glass-sub)}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));gap:.9rem}
.tool-link{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);
  padding:1.1rem 1.2rem;text-decoration:none;color:var(--text);display:block;transition:transform .15s,box-shadow .15s}
.tool-link:hover{transform:translateY(-2px);box-shadow:0 12px 30px -12px rgba(79,70,229,.35)}
.tool-link .ic{font-size:1.5rem}
.tool-link h3{margin:.45rem 0 .25rem;font-size:.98rem}
.tool-link p{margin:0;font-size:.8rem;color:var(--muted)}
.tool-link .cat-tag{display:inline-block;font-size:.68rem;font-weight:700;color:var(--primary);
  background:#f0fdfa;border-radius:999px;padding:.1rem .6rem;margin-top:.5rem}

/* ---------- tool page ---------- */
.breadcrumb{color:var(--breadcrumb);font-size:.82rem;margin:1.4rem 0 .6rem}
.breadcrumb a{color:var(--breadcrumb-link);text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.tool-head{color:var(--tool-head);margin-bottom:1.4rem}
.tool-head h1{margin:0 0 .4rem;font-size:1.9rem;letter-spacing:-.02em}
.tool-head .tagline{color:var(--tagline);margin:0;max-width:46rem}
.tool-card{background:var(--card);border-radius:var(--radius-lg);padding:1.6rem;
  box-shadow:var(--card-shadow);margin-bottom:1.6rem}
.info-card{background:var(--card);border-radius:var(--radius);padding:1.4rem;margin-bottom:1.2rem}
.info-card h2{margin:0 0 .7rem;font-size:1.15rem}
.info-card ol,.info-card ul{margin:.4rem 0;padding-left:1.3rem}
.info-card li{margin-bottom:.35rem}
.faq details{border:1px solid var(--card-border);border-radius:.7rem;margin-bottom:.6rem;background:#f8fafc}
.faq summary{cursor:pointer;font-weight:600;padding:.8rem 1rem}
.faq details p{padding:0 1rem .9rem;margin:0;color:#334155;font-size:.92rem}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(13rem,1fr));gap:.8rem}

/* ---------- form components (tool authors: use these) ---------- */
.field{margin-bottom:1rem}
label.lbl{display:block;font-weight:600;font-size:.88rem;margin-bottom:.35rem;color:#334155}
.input,.textarea,.select{width:100%;padding:.7rem .9rem;border:1.5px solid #cbd5e1;border-radius:.7rem;
  font-size:.95rem;font-family:inherit;background:#fff;color:var(--text)}
.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.15)}
.textarea{min-height:8rem;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88rem}
textarea.textarea-prose{font-family:inherit}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  padding:.7rem 1.4rem;border-radius:.7rem;border:none;font-weight:700;font-size:.92rem;cursor:pointer;
  text-decoration:none;transition:transform .1s,box-shadow .15s}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 20px -8px rgba(79,70,229,.5)}
.btn-primary:hover{background:var(--primary-dark)}
.btn-secondary{background:#f0fdfa;color:var(--primary)}
.btn-secondary:hover{background:#ccfbf1}
.btn-danger{background:#fee2e2;color:var(--danger)}
.btn-row{display:flex;gap:.6rem;flex-wrap:wrap;margin:.9rem 0}
.result-box{background:#f8fafc;border:1.5px dashed #cbd5e1;border-radius:.7rem;padding:1rem;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88rem;white-space:pre-wrap;
  word-break:break-word;min-height:3rem;margin-top:.8rem}
.result-box.prose{font-family:inherit}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
@media(max-width:640px){.grid-2,.grid-3{grid-template-columns:1fr}}
.stat{background:#f0fdfa;border-radius:.7rem;padding:.9rem;text-align:center}
.stat .num{font-size:1.5rem;font-weight:800;color:var(--primary)}
.stat .cap{font-size:.75rem;color:var(--muted);font-weight:600}
.file-drop{border:2px dashed #a1a1aa;border-radius:var(--radius);padding:2rem 1rem;text-align:center;
  cursor:pointer;background:#f8fafc;transition:background .15s}
.file-drop:hover,.file-drop.over{background:#f0fdfa}
.file-drop .big{font-size:2rem}
canvas.tool-canvas{max-width:100%;border-radius:.7rem;border:1px solid var(--card-border)}
.check-row{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem;font-size:.9rem}
.check-row input{width:1.05rem;height:1.05rem;accent-color:var(--primary)}
.hint{font-size:.8rem;color:var(--muted);margin-top:.35rem}
.output-big{font-size:2rem;font-weight:800;color:var(--primary);text-align:center;padding:1rem}
table.data-table{width:100%;border-collapse:collapse;font-size:.88rem;margin-top:.8rem}
table.data-table th,table.data-table td{border:1px solid #e2e8f0;padding:.5rem .7rem;text-align:left}
table.data-table th{background:#f0fdfa;font-weight:700}
.toast{position:fixed;bottom:1.4rem;left:50%;transform:translateX(-50%) translateY(20px);background:#0f172a;color:#fff;
  padding:.7rem 1.3rem;border-radius:999px;font-size:.88rem;opacity:0;pointer-events:none;transition:all .3s;z-index:99}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- ad slots ---------- */
.ad-slot{display:block;margin:0 auto;max-width:72rem}
.ad-slot.filled{margin:1.1rem auto}
.ad-slot .ad-label{display:none}
.ad-slot ins{width:100%}

/* ---------- PWA install banner ---------- */
.pwa-banner{position:fixed;left:0;right:0;bottom:0;z-index:90;padding:.8rem 1rem;
  transform:translateY(110%);transition:transform .35s ease}
.pwa-banner.show{transform:translateY(0)}
.pwa-banner-inner{max-width:44rem;margin:0 auto;background:#0f172a;color:#fff;border:1px solid rgba(255,255,255,.14);
  border-radius:1rem;padding:.8rem 1rem;display:flex;align-items:center;gap:.9rem;
  box-shadow:0 18px 50px -12px rgba(0,0,0,.6)}
.pwa-banner-icon{font-size:1.7rem}
.pwa-banner-text{flex:1;display:flex;flex-direction:column;line-height:1.35}
.pwa-banner-text strong{font-size:.95rem}
.pwa-banner-text span{font-size:.78rem;color:#a1a1aa}
.pwa-banner .btn{padding:.55rem 1.1rem;font-size:.85rem;white-space:nowrap}
.pwa-dismiss{background:transparent;border:none;color:#94a3b8;font-size:1rem;cursor:pointer;padding:.4rem}
.pwa-dismiss:hover{color:#fff}
/* header install button */
#pwa-install-btn{display:none;align-items:center;gap:.35rem;background:var(--hdr-btn-bg);
  border:1px solid var(--hdr-btn-border);color:var(--hdr-btn-color);font-size:.8rem;font-weight:700;
  padding:.5rem .85rem;border-radius:.6rem;cursor:pointer}
#pwa-install-btn:hover{background:var(--hdr-btn-hover)}
#pwa-install-btn.pwa-ready{display:inline-flex}

/* ---------- footer ---------- */
.site-footer{margin-top:3rem;border-top:1px solid var(--footer-border);padding:2rem 0;color:var(--footer-text);font-size:.85rem}
.site-footer .wrap{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.site-footer strong{color:var(--footer-strong)}
.site-footer a{color:var(--footer-link);text-decoration:none;margin-right:1rem}
.site-footer a:hover{text-decoration:underline}

@media(max-width:640px){
  .hero h1{font-size:1.7rem}
  .tool-head h1{font-size:1.5rem}
  .tool-card{padding:1.1rem}
  .site-header .wrap{padding-top:.6rem;padding-bottom:.6rem;gap:.5rem}
  .brand-mark{width:2.1rem;height:2.1rem;font-size:.85rem}
  .brand-name{font-size:.92rem}
  .brand-sub{font-size:.62rem}
  .main-nav{gap:.15rem}
  .main-nav a{padding:.38rem .5rem;font-size:.78rem}
  #theme-toggle-btn,#pwa-install-btn{padding:.38rem .55rem;font-size:.75rem}
}