/*
Theme Name: EnglishToAssamese Translator
Theme URI: https://englishtoassamese.com/
Author: EnglishToAssamese
Description: Lightweight single-page English-Assamese translator theme with responsive learning sections.
Version: 1.3.0
Requires at least: 6.3
Tested up to: 6.8
Requires PHP: 7.4
License: GPL-2.0-or-later
Text Domain: englishtoassamese
*/

:root{
  --bg:#f4f8f9; --surface:#ffffff; --text:#0f1f26; --muted:#46585f;
  --brand:#0f766e; --brand-dark:#0b5a54; --accent:#d97706; --border:#dde5e9; --soft:#e6f4f1;
  --radius:14px; --shadow:0 1px 3px rgba(16,40,50,.08),0 8px 24px rgba(16,40,50,.05);
}
*{box-sizing:border-box}
:root{color-scheme:light}
html{scroll-behavior:smooth;scroll-padding-top:74px;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans Bengali",sans-serif;background:var(--bg);color:var(--text);line-height:1.65;font-size:16px}
.as{font-family:"Noto Sans Bengali","Segoe UI",sans-serif}
a{color:var(--brand)}
img,svg{max-width:100%}
.wrap{max-width:1060px;margin:0 auto;padding:0 18px}
.skip{position:absolute;left:-999px;top:0;background:var(--brand);color:#fff;padding:8px 14px;z-index:100}
.skip:focus{left:8px;top:8px}

/* Header */
header.site{position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--border)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0}
.logo{font-weight:800;font-size:1.2rem;color:var(--text);text-decoration:none;letter-spacing:-.02em}
.logo span{color:var(--brand)}
.burger{display:none;background:none;border:1px solid var(--border);color:var(--text);border-radius:8px;padding:6px 12px;font:inherit;cursor:pointer}
nav.main ul{list-style:none;display:flex;gap:2px;margin:0;padding:0}
nav.main a{display:block;padding:7px 10px;border-radius:8px;text-decoration:none;color:var(--muted);font-size:.9rem;font-weight:500;white-space:nowrap}
nav.main a:hover,nav.main a:focus-visible{background:var(--bg);color:var(--brand)}
@media(max-width:900px){
  .burger{display:block}
  nav.main{display:none;position:absolute;left:0;right:0;top:100%;background:var(--surface);border-bottom:1px solid var(--border);padding:8px 18px 14px}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column}
}

/* Hero */
.hero{padding:42px 0 16px;text-align:center;background:linear-gradient(180deg,var(--soft),transparent)}
.hero h1{font-size:clamp(1.8rem,5vw,2.8rem);line-height:1.15;margin:0 0 12px;letter-spacing:-.02em}
.hero p.lead{color:var(--muted);max-width:720px;margin:0 auto 18px;font-size:1.05rem}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:0 0 22px;padding:0;list-style:none}
.chips a{display:inline-block;padding:6px 13px;border:1px solid var(--border);border-radius:999px;background:var(--surface);text-decoration:none;font-size:.85rem;color:var(--text)}
.chips a:hover{border-color:var(--brand);color:var(--brand)}

/* Tool */
.tool{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;text-align:left}
.dirs{display:flex;gap:8px;justify-content:center;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.dirs button.pill{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:999px;padding:7px 16px;font:inherit;font-weight:600;font-size:.9rem;cursor:pointer}
.dirs button.pill[aria-pressed="true"]{background:var(--brand);color:#fff;border-color:var(--brand)}
.swap{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:999px;width:38px;height:38px;cursor:pointer;font-size:1.1rem}
.swap:hover{border-color:var(--brand)}
.panes{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:720px){.panes{grid-template-columns:1fr}}
.pane label{display:block;font-size:.78rem;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px}
textarea,.out,input[type=search]{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text);font:inherit;font-size:1.05rem}
textarea,.out{min-height:170px}
textarea{resize:vertical}
textarea:focus,input[type=search]:focus{outline:2px solid var(--brand);outline-offset:1px}
.out{white-space:pre-wrap;overflow:auto}
.meta{display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:var(--muted);margin-top:6px;min-height:26px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px;justify-content:center}
.btn{border:0;border-radius:10px;padding:11px 22px;font:inherit;font-weight:600;cursor:pointer;background:var(--brand);color:#fff}
.btn:hover{background:var(--brand-dark)}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn.ghost:hover{border-color:var(--brand);background:var(--bg)}
.btn.sm{padding:3px 10px;font-size:.8rem}
.btn[disabled]{opacity:.6;cursor:wait}
.status{text-align:center;font-size:.88rem;color:var(--muted);min-height:22px;margin-top:8px}
.examples{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:10px;font-size:.85rem;color:var(--muted)}
.examples button{border:1px dashed var(--border);background:none;color:var(--text);border-radius:8px;padding:3px 10px;font:inherit;font-size:.85rem;cursor:pointer}
.examples button:hover{border-color:var(--brand);color:var(--brand)}

/* Sections */
section.block{padding:34px 0}
section.block h2{font-size:1.6rem;margin:0 0 8px;line-height:1.25;letter-spacing:-.01em}
section.block h3{font-size:1.1rem;margin:22px 0 6px}
.sub{color:var(--muted);margin:0 0 16px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.table-scroll{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:520px}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}
th{background:var(--bg);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);position:sticky;top:0}
tr:last-child td{border-bottom:0}
td.as{font-size:1.1rem}
.letters{display:grid;grid-template-columns:repeat(auto-fill,minmax(56px,1fr));gap:8px}
.letters span{background:var(--surface);border:1px solid var(--border);border-radius:10px;text-align:center;padding:10px 0;font-size:1.4rem}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.feat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:left}
.feat strong{display:block;margin-bottom:2px}
.feat span{color:var(--muted);font-size:.92rem}
.scroll-y{max-height:420px;overflow:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}
.scroll-y .table-scroll{border:0;border-radius:0}
details{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 16px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600}
details p{margin:10px 0 2px;color:var(--muted)}
ol.steps{padding-left:20px}
ol.steps li{margin-bottom:6px}
.note{font-size:.88rem;color:var(--muted)}

/* Ads: fixed height reserved => no layout shift. Approval ke baad "ad-off" hata dein */
.ad-slot{margin:22px auto;max-width:728px;min-height:100px;text-align:center}
.ad-slot::before{content:"Advertisement";display:block;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.ad-off{display:none}

footer.site{border-top:1px solid var(--border);background:var(--surface);margin-top:30px;padding:30px 0 20px;font-size:.92rem;color:var(--muted)}
.fcols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px;margin-bottom:20px}
@media(max-width:760px){.fcols{grid-template-columns:1fr 1fr}}
footer.site h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text);margin:0 0 8px}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site li{margin-bottom:5px}
footer.site a{text-decoration:none}
footer.site a:hover{text-decoration:underline}
.copy{border-top:1px solid var(--border);padding-top:14px}
.legal h3{color:var(--text)}
.legal p,.legal li{color:var(--muted)}

/* ---------- Our Popular Tools ---------- */
.tools-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.tool-card{display:flex;align-items:flex-start;gap:14px;height:100%;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:16px;text-decoration:none;color:var(--text);box-shadow:var(--shadow);transition:border-color .15s,transform .15s,box-shadow .15s}
.tool-card:hover,.tool-card:focus-visible{border-color:var(--brand);transform:translateY(-3px);box-shadow:0 10px 28px rgba(15,118,110,.18)}
.tool-ico{flex:0 0 56px;width:56px;height:56px;border-radius:15px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--c1,#0f766e),var(--c2,#0b5a54));box-shadow:0 6px 14px rgba(0,0,0,.14)}
.tool-ico.has-img{background:var(--bg);box-shadow:none;border:1px solid var(--border);overflow:hidden}
.tool-ico img{width:100%;height:100%;object-fit:cover;display:block}
.tool-body{display:flex;flex-direction:column;gap:3px;min-width:0}
.tool-name{font-weight:700;line-height:1.3;color:var(--text)}
.tool-desc{color:var(--muted);font-size:.88rem;line-height:1.45}
.tool-go{margin-top:4px;font-size:.85rem;font-weight:600;color:var(--brand)}
.tool-card:hover .tool-go{text-decoration:underline}
.tool-card.is-empty{border-style:dashed;opacity:.75;cursor:default}
.tool-card.is-empty:hover{transform:none;border-color:var(--border);box-shadow:var(--shadow)}

/* ---------- Inner pages (About, Contact, Privacy...) ---------- */
.page-main{padding-top:34px;padding-bottom:20px}
.page-content h1{margin:0 0 12px;font-size:1.8rem;line-height:1.2}
.page-content h2{font-size:1.15rem;margin:22px 0 6px}
.page-content p,.page-content li{color:var(--muted)}
.page-content h2,.page-content h3{color:var(--text)}
.page-content details{background:var(--surface);border:1px solid var(--border)}
.page-content summary{color:var(--text);font-weight:600}
.page-content details p{color:var(--muted)}
.page-content a{color:var(--brand-dark)}


/* ---------- Performance: skip rendering of off-screen sections until needed ---------- */
#phrases,#books,#app,#alphabet,#popular-tools,#faq{content-visibility:auto;contain-intrinsic-size:auto 640px}

/* ---------- WordPress admin bar (logged-in) ---------- */
.admin-bar header.site{top:32px}
@media(max-width:782px){.admin-bar header.site{top:46px}}
@media(max-width:600px){.admin-bar header.site{top:0}}

/* ---------- Mobile polish ---------- */
body{overflow-x:hidden;word-wrap:break-word;overflow-wrap:anywhere}
.logo{white-space:nowrap}
.wrap{padding-left:max(18px,env(safe-area-inset-left));padding-right:max(18px,env(safe-area-inset-right))}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
@media(max-width:900px){
  nav.main{max-height:calc(100vh - 64px);overflow-y:auto}
  nav.main a{padding:11px 10px;font-size:1rem}
}
@media(max-width:600px){
  .hero{padding:26px 0 8px}
  .hero p.lead{font-size:1rem}
  .tool{padding:12px}
  .dirs{gap:6px}
  .dirs button.pill{padding:8px 12px;font-size:.85rem}
  .chips{gap:6px}
  .chips a{font-size:.8rem;padding:6px 10px}
  textarea,.out{min-height:130px}
  .actions .btn{flex:1 1 100%}
  section.block{padding:24px 0}
  section.block h2{font-size:1.35rem}
  .grid3{grid-template-columns:1fr}
  .tools-grid{grid-template-columns:1fr;gap:12px}
  .tool-card{padding:14px}
  .scroll-y{max-height:360px}
  th,td{padding:9px 10px}
}
@media(max-width:480px){
  .fcols{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}