/* OdishaTools – single stylesheet. Mobile-first, no frameworks. */
:root{
  --bg:#f6f7fb; --card:#fff; --text:#1d2433; --muted:#5b6475; --line:#e3e6ee;
  --brand:#0f6b5c; --brand-2:#e8f4f1; --accent:#d97706; --danger:#b42318; --ok:#067647;
  --radius:12px; --shadow:0 1px 3px rgba(16,24,40,.08),0 1px 2px rgba(16,24,40,.04);
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Oriya",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;font-size:16px}
a{color:var(--brand)}
img{max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}

/* Header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px}
.logo{font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--text)}
.logo span{color:var(--brand)}
.nav{display:flex;gap:16px;flex-wrap:wrap}
.nav a{text-decoration:none;color:var(--muted);font-weight:500;font-size:.95rem}
.nav a:hover{color:var(--brand)}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:1.1rem}
@media(max-width:720px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:60px;left:0;right:0;background:#fff;flex-direction:column;padding:12px 16px;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
}

/* Breadcrumb */
.breadcrumb{font-size:.875rem;color:var(--muted);margin:16px 0 0}
.breadcrumb a{color:var(--muted)}

/* Hero */
.hero{padding:40px 0 16px;text-align:center}
.hero h1{font-size:clamp(1.6rem,4vw,2.4rem);margin:0 0 8px;line-height:1.25}
.hero p{color:var(--muted);max-width:720px;margin:0 auto}
.search{margin:20px auto 0;max-width:520px}
.search input{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:999px;font-size:1rem;background:#fff}

/* Tool grid (home) */
.cat-title{font-size:1.25rem;margin:32px 0 12px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.tool-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;
  text-decoration:none;color:var(--text);box-shadow:var(--shadow);transition:transform .12s,border-color .12s}
.tool-card:hover{transform:translateY(-2px);border-color:var(--brand)}
.tool-card .ic{font-size:1.6rem}
.tool-card h3{margin:6px 0 4px;font-size:1.02rem}
.tool-card p{margin:0;color:var(--muted);font-size:.9rem}

/* Tool page layout */
.layout{display:grid;grid-template-columns:1fr 300px;gap:24px;margin:16px 0 40px}
@media(max-width:960px){.layout{grid-template-columns:1fr}}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-bottom:20px}
.tool-head h1{font-size:clamp(1.4rem,3.2vw,2rem);margin:8px 0 6px;line-height:1.3}
.tool-head .lead{color:var(--muted);margin:0}
.content h2{font-size:1.25rem;margin:24px 0 8px}
.content h3{font-size:1.05rem;margin:16px 0 6px}
.content ul,.content ol{padding-left:22px}
.sidebar .panel h2{font-size:1rem;margin:0 0 10px}
.sidebar ul{list-style:none;margin:0;padding:0}
.sidebar li{border-bottom:1px solid var(--line)}
.sidebar li:last-child{border:0}
.sidebar li a{display:block;padding:8px 0;text-decoration:none;font-size:.94rem}

/* Forms */
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
label{display:block;font-weight:600;font-size:.9rem;margin-bottom:4px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid #cfd4de;border-radius:8px;font-size:1rem;font-family:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-2);border-color:var(--brand)}
textarea{min-height:120px;resize:vertical}
.hint{font-size:.8rem;color:var(--muted);margin-top:3px}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.btn{background:var(--brand);color:#fff;border:0;border-radius:8px;padding:11px 20px;font-size:1rem;font-weight:600;cursor:pointer}
.btn:hover{filter:brightness(1.08)}
.btn.secondary{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn.small{padding:6px 12px;font-size:.88rem}

/* Results */
.result{margin-top:18px;padding:16px;border-radius:10px;background:var(--brand-2);border:1px solid #c6e3dc;display:none}
.result.show{display:block}
.result .big{font-size:1.6rem;font-weight:800;color:var(--brand)}
.result table,.data-table{width:100%;border-collapse:collapse;margin-top:8px;font-size:.94rem}
.result td,.result th,.data-table td,.data-table th{padding:7px 8px;border-bottom:1px solid #d5e7e2;text-align:left}
.data-table th{background:#f1f3f8}
.warn{color:var(--danger);font-weight:600}
.good{color:var(--ok);font-weight:600}
.rows .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:8px;margin-bottom:8px;align-items:end}
.table-scroll{overflow-x:auto}

/* Typing test */
.passage{font-size:1.15rem;line-height:1.9;background:#fafbfc;border:1px solid var(--line);border-radius:8px;padding:14px;user-select:none}
.passage .ok{color:var(--ok)} .passage .bad{color:var(--danger);text-decoration:underline}
.stats{display:flex;gap:18px;flex-wrap:wrap;margin:12px 0;font-weight:700}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin-bottom:8px;background:#fff}
.faq summary{cursor:pointer;font-weight:600}

/* ===== AD SLOTS =====
   Every ad container has class "ad-slot". Paste AdSense / Adsterra / Monetag code
   inside the matching <div> (or set it once in config.py and rebuild). */
.ad-slot{margin:20px auto;text-align:center;min-height:0;overflow:hidden;max-width:100%}
.ad-slot:empty{display:none}
.ad-slot .ad-label{display:block;font-size:.7rem;color:#98a2b3;letter-spacing:.06em;text-transform:uppercase;margin-bottom:4px}
.ad-sidebar{position:sticky;top:80px}

/* Footer */
.site-footer{background:#101828;color:#cdd3de;padding:32px 0 20px;margin-top:40px;font-size:.92rem}
.site-footer a{color:#cdd3de;text-decoration:none}
.site-footer a:hover{color:#fff}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}
.site-footer h3{color:#fff;font-size:1rem;margin:0 0 8px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:4px 0}
.copy{border-top:1px solid #344054;margin-top:20px;padding-top:14px;text-align:center;color:#98a2b3}
.legal .panel{max-width:860px;margin:20px auto}