/* =========================================================
   counter.praveshsinghal.com — core stylesheet
   Minimal, fast, AdSense-ready design matching the
   header/footer style of praveshsinghal.com. Includes dark mode.
   ========================================================= */

:root{
  --bg:#ffffff;
  --bg-alt:#f5f7fa;
  --bg-card:#ffffff;
  --text:#22262f;
  --text-muted:#5b6472;
  --border:#e5e8ee;
  --primary:#1b5fc4;
  --primary-dark:#154a98;
  --accent:#ff6a2b;
  --accent-dark:#e3540f;
  --success:#1a9a5b;
  --warn:#c8850a;
  --danger:#d0392b;
  --radius:8px;
  --max:1180px;
  --font: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono: ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --shadow: 0 1px 3px rgba(20,25,40,.06), 0 1px 2px rgba(20,25,40,.08);
}

[data-theme="dark"]{
  --bg:#12151c;
  --bg-alt:#1a1e27;
  --bg-card:#181c25;
  --text:#e7eaf1;
  --text-muted:#9aa3b5;
  --border:#2a3040;
  --primary:#5b9bf5;
  --primary-dark:#3f7fe0;
  --accent:#ff8a52;
  --accent-dark:#ff6a2b;
  --success:#3ecb85;
  --shadow: 0 1px 3px rgba(0,0,0,.4), 0 1px 2px rgba(0,0,0,.5);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:var(--bg);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  transition:background .15s,color .15s;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .6em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(1.7rem,3.2vw,2.4rem)}
h2{font-size:clamp(1.3rem,2.4vw,1.6rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
ul{margin:0 0 1em;padding-left:1.2em}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* ---------- Skip link ---------- */
.skip-link{position:absolute;left:-999px;top:0;background:var(--primary);color:#fff;padding:10px 16px;z-index:1000;border-radius:0 0 6px 0}
.skip-link:focus{left:0}

/* ---------- Header ---------- */
.site-header{border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0;z-index:100}
.site-header .container{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--text);font-size:1.15rem}
.brand:hover{text-decoration:none}
.brand svg{flex:none}
.brand .brand-sub{display:block;font-size:.68rem;font-weight:600;color:var(--text-muted);letter-spacing:.02em}
.header-right{display:flex;align-items:center;gap:14px}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav ul{display:flex;gap:24px;list-style:none;margin:0;padding:0}
.main-nav a{color:var(--text);font-weight:600;font-size:.95rem}
.main-nav a:hover{color:var(--primary);text-decoration:none}
.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:6px;padding:8px 10px;cursor:pointer}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:20px;height:2px;background:var(--text);position:relative;transition:.2s}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}

.theme-toggle{background:var(--bg-alt);border:1px solid var(--border);border-radius:99px;width:38px;height:38px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text)}
.theme-toggle:hover{border-color:var(--primary)}
.theme-toggle svg{width:18px;height:18px}
[data-theme="dark"] .icon-sun{display:block}
[data-theme="dark"] .icon-moon{display:none}
.icon-sun{display:none}
.icon-moon{display:block}

@media (max-width:820px){
  .nav-toggle{display:block}
  .main-nav{position:absolute;top:72px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border);flex-direction:column;align-items:stretch;padding:10px 20px 18px;display:none}
  .main-nav.open{display:flex}
  .main-nav ul{flex-direction:column;gap:2px}
  .main-nav ul li a{display:block;padding:10px 4px;border-bottom:1px solid var(--border)}
}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--radius);font-weight:700;font-size:.97rem;cursor:pointer;border:1px solid transparent;transition:.15s;font-family:var(--font)}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-outline{background:var(--bg);border-color:var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn-sm{padding:8px 14px;font-size:.85rem}

/* ---------- Hero ---------- */
.hero{padding:44px 0 20px;background:linear-gradient(180deg,var(--bg-alt),var(--bg))}
.hero h1{margin-bottom:.35em}
.hero .lead{color:var(--text-muted);font-size:1.08rem;max-width:70ch}
.breadcrumbs{font-size:.82rem;color:var(--text-muted);margin-bottom:14px}
.breadcrumbs a{color:var(--text-muted)}
.breadcrumbs span{margin:0 6px}

/* ---------- Tool card ---------- */
.tool-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:22px;margin:22px 0 34px}
textarea.prompt-input{width:100%;min-height:220px;padding:16px;border:1px solid var(--border);border-radius:10px;font-size:1rem;font-family:var(--font);background:var(--bg-alt);color:var(--text);resize:vertical;line-height:1.55}
textarea.prompt-input:focus{border-color:var(--primary);outline:none}

.profile-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.profile-tabs button{border:1px solid var(--border);background:var(--bg);color:var(--text-muted);padding:8px 14px;border-radius:99px;font-weight:700;font-size:.85rem;cursor:pointer;font-family:var(--font)}
.profile-tabs button.active{background:var(--primary);border-color:var(--primary);color:#fff}
.profile-tabs button:hover:not(.active){border-color:var(--primary);color:var(--primary)}

.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin:18px 0}
.stat-box{background:var(--bg-alt);border:1px solid var(--border);border-radius:10px;padding:14px 16px;text-align:center}
.stat-box .num{font-size:1.5rem;font-weight:800;color:var(--primary);line-height:1.1}
.stat-box .lbl{font-size:.76rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em;margin-top:4px}

.guidance-box{border-radius:10px;padding:14px 16px;margin:16px 0;font-size:.9rem;border:1px solid var(--border);background:var(--bg-alt)}
.guidance-box.ok{border-color:var(--success);background:color-mix(in srgb, var(--success) 10%, var(--bg-alt))}
.guidance-box.warn{border-color:var(--warn);background:color-mix(in srgb, var(--warn) 10%, var(--bg-alt))}
.guidance-box.danger{border-color:var(--danger);background:color-mix(in srgb, var(--danger) 10%, var(--bg-alt))}
.guidance-box b{display:block;margin-bottom:4px}

.toolbar{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.toolbar .spacer{flex:1}
.toolbar select{padding:9px 12px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text);font-family:var(--font)}

/* ---------- Aspect ratio tool ---------- */
.ratio-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
@media (max-width:820px){.ratio-grid{grid-template-columns:1fr}}
.ratio-presets{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.ratio-presets button{border:1px solid var(--border);background:var(--bg);color:var(--text);padding:8px 14px;border-radius:8px;font-weight:700;font-size:.85rem;cursor:pointer;font-family:var(--font)}
.ratio-presets button.active{background:var(--primary);border-color:var(--primary);color:#fff}
.ratio-preview-wrap{background:var(--bg-alt);border:1px solid var(--border);border-radius:10px;padding:20px;display:flex;align-items:center;justify-content:center;min-height:260px}
.ratio-box{background:var(--primary);border-radius:6px;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.85rem;transition:.15s}
.res-table{width:100%;border-collapse:collapse;margin-top:10px;font-size:.88rem}
.res-table th,.res-table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}
.res-table th{color:var(--text-muted);font-size:.76rem;text-transform:uppercase;letter-spacing:.03em}
.res-table td code{background:var(--bg-alt);padding:2px 6px;border-radius:4px;font-family:var(--mono);font-size:.85em}

.field{margin-bottom:12px}
.field label{display:block;font-size:.82rem;font-weight:700;color:var(--text-muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.03em}
.field input[type=number],.field input[type=text],.field select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:.95rem;font-family:var(--font);background:var(--bg);color:var(--text)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.toggle-row{display:flex;gap:8px;margin-bottom:14px}
.toggle-row button{flex:1;border:1px solid var(--border);background:var(--bg);color:var(--text);padding:9px;border-radius:6px;font-weight:700;cursor:pointer;font-family:var(--font)}
.toggle-row button.active{background:var(--primary);border-color:var(--primary);color:#fff}

.copy-param{display:flex;align-items:center;gap:10px;background:var(--bg-alt);border:1px solid var(--border);border-radius:8px;padding:12px 14px;margin-top:14px}
.copy-param code{font-family:var(--mono);font-size:.95rem;flex:1;overflow-x:auto}

/* ---------- Feature grid ---------- */
.section{padding:34px 0}
.section-alt{background:var(--bg-alt)}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.feature{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:20px}
.feature .ico{width:38px;height:38px;border-radius:8px;background:color-mix(in srgb, var(--primary) 12%, var(--bg));color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.feature h3{margin-bottom:.35em;font-size:1.02rem}
.feature p{color:var(--text-muted);font-size:.92rem;margin:0}

/* ---------- Tools index grid ---------- */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.tool-link{display:block;border:1px solid var(--border);border-radius:10px;padding:16px 18px;background:var(--bg)}
.tool-link:hover{border-color:var(--primary);text-decoration:none;box-shadow:var(--shadow)}
.tool-link .tname{font-weight:700;color:var(--text);display:block;margin-bottom:4px}
.tool-link .tdesc{font-size:.85rem;color:var(--text-muted)}

/* ---------- Steps ---------- */
.steps{counter-reset:step;list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.steps li{counter-increment:step;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:18px;position:relative}
.steps li::before{content:counter(step);width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;font-size:.85rem;display:flex;align-items:center;justify-content:center;margin-bottom:10px}

/* ---------- FAQ ---------- */
.faq details{border:1px solid var(--border);border-radius:8px;padding:14px 16px;margin-bottom:10px;background:var(--bg)}
.faq summary{font-weight:700;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;font-weight:400;color:var(--text-muted)}
.faq details[open] summary::after{content:"–"}
.faq p{margin-top:10px;color:var(--text-muted)}

/* ---------- Ad slots ---------- */
.ad-slot{margin:26px auto;text-align:center;min-height:90px;display:flex;align-items:center;justify-content:center;color:#9aa3b2;font-size:.72rem;border:1px dashed var(--border);border-radius:6px;background:var(--bg-alt)}

/* ---------- Cross-link band ---------- */
.related{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.related a{font-size:.85rem;border:1px solid var(--border);padding:6px 12px;border-radius:99px;color:var(--text)}
.related a:hover{border-color:var(--primary);color:var(--primary);text-decoration:none}

/* ---------- Blog ---------- */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.blog-card{border:1px solid var(--border);border-radius:10px;padding:20px;background:var(--bg)}
.blog-card h3{margin-bottom:.3em}
.blog-card .meta{font-size:.78rem;color:var(--text-muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:.03em}
.blog-card p{color:var(--text-muted);font-size:.92rem}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--border);background:var(--bg);margin-top:40px;padding:34px 0 22px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px;margin-bottom:22px}
.footer-grid h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin-bottom:10px}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid ul li{margin-bottom:7px}
.footer-grid ul a{color:var(--text);font-size:.92rem}
.footer-grid ul a:hover{color:var(--primary)}
.footer-about p{color:var(--text-muted);font-size:.9rem;max-width:34ch}
.footer-bottom{border-top:1px solid var(--border);padding-top:16px;text-align:center;font-size:.85rem;color:var(--text-muted)}
.footer-bottom .flinks{margin-bottom:8px}
.footer-bottom .flinks a{color:var(--text-muted);margin:0 6px}
.footer-bottom .sep{color:var(--border)}

@media (max-width:760px){
  .footer-grid{grid-template-columns:1fr 1fr}
}

/* ---------- Misc pages ---------- */
.prose{max-width:78ch}
.prose h2{margin-top:1.6em}
.prose ul{padding-left:1.4em}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr}}
.info-card{border:1px solid var(--border);border-radius:10px;padding:20px;background:var(--bg-alt)}
.info-card a{font-weight:700}