/* ═══════════════════════════════════════════════════
   Bangladesh Postal Code Finder — style.css
   Hostinger-ready | Mobile-first | Bilingual
   ═══════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green:       #006633;
  --green-dark:  #004d26;
  --green-hover: #005529;
  --green-light: #e8f5ee;
  --green-mid:   #b8ddc8;
  --gold:        #f0a500;
  --gold-light:  #fff8e6;
  --gold-dark:   #c8860a;
  --red:         #c0392b;
  --text:        #1a1a1a;
  --text-muted:  #5a5a5a;
  --text-light:  #888;
  --border:      #d4d4d4;
  --bg:          #f2f4f2;
  --white:       #ffffff;
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:   0 2px 8px rgba(0,0,0,0.12);
  --radius:      4px;
  --radius-lg:   8px;
  --font-bn:     'Noto Sans Bengali', Arial, sans-serif;
  --font-en:     'Inter', Arial, sans-serif;
  --max-w:       1060px;
}

body {
  font-family: var(--font-en), var(--font-bn);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

[data-lang="bn"] body,
[data-lang="bn"] {
  font-family: var(--font-bn), var(--font-en);
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input, select { font-family: inherit; }

/* ── TOP STRIP ── */
.top-strip {
  background: #003d1e;
  color: #88c4a0;
  font-size: 11.5px;
  padding: 6px 0;
  text-align: center;
}
.top-strip-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 4px; }
.ts-item { padding: 0 8px; }
.ts-sep { opacity: 0.4; }

/* ── HEADER ── */
.header { background: var(--green); }
.header-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 16px 20px;
  display: flex; align-items: center; gap: 16px;
}
.emblem {
  width: 60px; height: 60px; flex-shrink: 0;
  background: rgba(255,255,255,0.12);
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
}
.header-text { flex: 1; }
.header-text h1 { font-size: 20px; font-weight: 700; color: #fff; line-height: 1.2; }
.header-sub { font-size: 13.5px; color: #a0d4b4; margin-top: 2px; }
.header-tag { font-size: 11px; color: #78b898; margin-top: 3px; text-transform: uppercase; letter-spacing: 0.4px; }

/* ── LANGUAGE TOGGLE ── */
.lang-toggle { display: flex; gap: 4px; flex-shrink: 0; }
.lang-btn {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.25);
  color: #cce8d9;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12.5px;
  font-weight: 500;
  transition: all 0.2s;
}
.lang-btn:hover { background: rgba(255,255,255,0.2); color: #fff; }
.lang-btn.active { background: var(--gold); border-color: var(--gold); color: #3a2000; font-weight: 700; }

/* ── GOLD BAR ── */
.gold-bar { height: 5px; background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-dark)); }

/* ── NAV ── */
.nav { background: #005528; border-bottom: 1px solid #003d1e; }
.nav-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 16px; display: flex; align-items: center; }
.nav-link {
  color: #aad4bb; font-size: 13px; font-weight: 500;
  padding: 10px 14px; display: inline-block;
  border-bottom: 3px solid transparent;
  transition: all 0.15s;
}
.nav-link:hover, .nav-link.active { color: #fff; border-bottom-color: var(--gold); background: rgba(255,255,255,0.06); }

/* ── BREADCRUMB ── */
.breadcrumb { background: var(--white); border-bottom: 1px solid var(--border); }
.bc-inner { max-width: var(--max-w); margin: 0 auto; padding: 8px 20px; font-size: 12px; color: var(--text-light); }
.bc-sep { margin: 0 6px; }

/* ── PAGE LAYOUT ── */
.page { max-width: var(--max-w); margin: 0 auto; padding: 24px 20px; }
.main-col { width: 100%; }

/* ── ALERT ── */
.alert {
  background: var(--gold-light); border: 1px solid #f0c040;
  border-left: 5px solid var(--gold); border-radius: var(--radius);
  padding: 12px 16px; margin-bottom: 20px;
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 13px; color: #5a3e00; line-height: 1.6;
}
.alert-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }

/* ── STATS ── */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.stat {
  background: var(--white); border: 1px solid var(--border);
  border-top: 4px solid var(--green); border-radius: var(--radius);
  padding: 14px 10px; text-align: center;
  box-shadow: var(--shadow-sm); transition: box-shadow 0.2s;
}
.stat:hover { box-shadow: var(--shadow-md); }
.stat .n { font-size: 26px; font-weight: 700; color: var(--green); }
.stat .l { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.6px; margin-top: 3px; }

/* ── CARD ── */
.card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); margin-bottom: 20px;
  overflow: hidden; box-shadow: var(--shadow-sm);
}
.card-head {
  background: var(--green); color: #fff;
  padding: 11px 18px; font-size: 13.5px; font-weight: 600;
  display: flex; align-items: center; gap: 8px; letter-spacing: 0.2px;
}
.card-body { padding: 20px; }

/* ── TABS ── */
.tabs { display: flex; border-bottom: 2px solid var(--green); margin-bottom: 22px; flex-wrap: wrap; gap: 3px 0; }
.tab-btn {
  padding: 9px 16px; font-size: 13px; font-weight: 500;
  background: #f0f0ee; color: #555;
  border: 1px solid #ddd; border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  margin-right: 3px; display: flex; align-items: center; gap: 5px;
  transition: all 0.15s; white-space: nowrap;
}
.tab-btn.active { background: var(--green); color: #fff; border-color: var(--green); }
.tab-btn:hover:not(.active) { background: var(--green-light); color: var(--green); }
.panel { display: none; }
.panel.active { display: block; }

/* ── FORMS ── */
.form-grid { display: grid; gap: 14px; margin-bottom: 14px; }
.two-col { grid-template-columns: 1fr 1fr; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label { font-size: 11.5px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.form-group select, .form-group input[type="text"], .form-group input[type="search"] {
  padding: 9px 12px; border: 1.5px solid #bbb; border-radius: var(--radius);
  font-size: 13.5px; color: var(--text); width: 100%;
  background: var(--white); transition: border-color 0.15s, box-shadow 0.15s;
  appearance: auto;
}
.form-group select:focus, .form-group input:focus {
  outline: none; border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(0,102,51,0.12);
}
.form-group select:disabled { background: #f5f5f5; color: #aaa; cursor: not-allowed; }
.help { font-size: 11px; color: var(--text-light); }
.section-label { font-size: 11px; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.6px; margin-bottom: 10px; font-weight: 600; }

/* ── BUTTONS ── */
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.btn-primary {
  background: var(--green); color: #fff; border: none;
  padding: 10px 24px; border-radius: var(--radius);
  font-size: 13.5px; font-weight: 600;
  display: flex; align-items: center; gap: 7px;
  transition: background 0.15s, transform 0.1s; letter-spacing: 0.2px;
}
.btn-primary:hover { background: var(--green-dark); }
.btn-primary:active { transform: scale(0.98); }
.btn-secondary {
  background: var(--white); color: var(--text-muted);
  border: 1.5px solid #bbb; padding: 10px 18px;
  border-radius: var(--radius); font-size: 13.5px;
  display: flex; align-items: center; gap: 7px;
  transition: all 0.15s;
}
.btn-secondary:hover { background: #f5f5f5; border-color: #999; }

/* ── RESULTS ── */
.result-success {
  background: var(--white); border: 1px solid #a8d8a8;
  border-left: 5px solid var(--green); border-radius: var(--radius);
  padding: 20px; margin-top: 18px;
}
.result-title {
  color: var(--green); font-size: 12px; font-weight: 700;
  margin-bottom: 14px; display: flex; align-items: center;
  gap: 8px; text-transform: uppercase; letter-spacing: 0.6px;
}
.pc-display {
  display: flex; align-items: center; gap: 16px;
  background: var(--green-light); border: 1px solid var(--green-mid);
  border-radius: var(--radius); padding: 14px 18px; margin-bottom: 16px;
}
.pc-big { font-size: 38px; font-weight: 700; color: var(--green); letter-spacing: 4px; font-variant-numeric: tabular-nums; }
.pc-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.pc-copy-btn {
  margin-left: auto; background: var(--green); color: #fff;
  border: none; padding: 8px 16px; border-radius: var(--radius);
  font-size: 12.5px; font-weight: 600; cursor: pointer;
  transition: background 0.15s;
}
.pc-copy-btn:hover { background: var(--green-dark); }
.r-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.r-table tr { border-bottom: 1px solid #eee; }
.r-table tr:last-child { border-bottom: none; }
.r-table td { padding: 7px 4px; }
.r-table td:first-child { color: var(--text-muted); width: 44%; font-size: 12px; font-weight: 500; }
.r-table td:last-child { font-weight: 600; }
.address-format { margin-top: 14px; padding: 10px 14px; background: #f9faf9; border: 1px solid #ddd; border-radius: var(--radius); font-size: 12px; color: #555; }
.result-error {
  background: #fff8f8; border: 1px solid #f0c0c0;
  border-left: 5px solid var(--red); border-radius: var(--radius);
  padding: 14px 18px; color: #7a1a1a; font-size: 13px;
  margin-top: 18px; display: flex; align-items: center; gap: 10px;
}

/* ── RESULT CARDS ── */
.result-cards { margin-top: 18px; display: flex; flex-direction: column; gap: 8px; }
.result-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 13px 16px;
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer; transition: all 0.15s;
}
.result-card:hover { border-color: var(--green); background: var(--green-light); transform: translateX(2px); }
.rc-left .loc { font-size: 14px; font-weight: 600; }
.rc-left .sub { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.div-tag {
  display: inline-block; background: var(--green-light);
  border: 1px solid var(--green-mid); border-radius: 3px;
  padding: 2px 8px; font-size: 10.5px; color: var(--green);
  margin-top: 5px; font-weight: 600; letter-spacing: 0.3px;
}
.rc-right { text-align: right; flex-shrink: 0; margin-left: 14px; }
.rc-pc {
  background: var(--green); color: #fff; border-radius: var(--radius);
  padding: 5px 14px; font-size: 16px; font-weight: 700; letter-spacing: 2px;
}
.rc-range { font-size: 10.5px; color: var(--text-light); margin-top: 3px; }

/* ── BROWSE TABLE ── */
.browse-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 16px; }
.browse-table th { background: var(--green); color: #fff; padding: 10px 12px; text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.4px; font-weight: 600; }
.browse-table td { padding: 8px 12px; border-bottom: 1px solid #eee; }
.browse-table tr:hover td { background: var(--green-light); }
.browse-table .pc-cell { font-weight: 700; color: var(--green); font-variant-numeric: tabular-nums; font-size: 14px; }
.browse-table .range-cell { color: var(--text-muted); font-size: 12px; }
.browse-header { margin-top: 16px; margin-bottom: 10px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.browse-title { font-size: 16px; font-weight: 700; color: var(--green); }
.badge { display: inline-block; padding: 3px 9px; border-radius: 3px; font-size: 11px; font-weight: 600; }
.badge-green { background: var(--green-light); color: var(--green); border: 1px solid var(--green-mid); }
.badge-gold { background: var(--gold-light); color: #7a5500; border: 1px solid #f0c060; }

/* ── SEARCH ── */
.search-wrap { position: relative; margin-bottom: 16px; }
.search-wrap input { width: 100%; padding: 11px 44px 11px 14px; border: 2px solid var(--green); border-radius: var(--radius); font-size: 14px; }
.search-wrap input:focus { outline: none; box-shadow: 0 0 0 3px rgba(0,102,51,0.12); }
.search-wrap .s-icon { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--green); font-size: 18px; pointer-events: none; }
.search-results-info { font-size: 12px; color: var(--text-muted); margin-bottom: 10px; font-weight: 500; }

/* ── GPO GRID ── */
.gpo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.gpo-item { background: var(--green-light); border: 1px solid var(--green-mid); border-radius: var(--radius); padding: 12px 14px; }
.gpo-item .gpo-name { font-size: 12px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; }
.gpo-item .gpo-code { font-size: 24px; font-weight: 700; color: var(--green); letter-spacing: 2px; line-height: 1.2; margin: 4px 0; }
.gpo-item .gpo-loc { font-size: 11.5px; color: var(--text-muted); }

/* ── DIVISION RANGES ── */
.div-range-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.div-range-item { display: flex; flex-direction: column; background: var(--green-light); border: 1px solid var(--green-mid); border-radius: var(--radius); padding: 10px 14px; }
.div-name { font-size: 13px; font-weight: 600; color: var(--text); }
.div-code-range { font-size: 15px; font-weight: 700; color: var(--green); margin-top: 2px; letter-spacing: 0.5px; }

/* ── CODE GUIDE ── */
.code-guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.code-visual { display: flex; flex-direction: column; gap: 12px; }
.code-box { display: flex; gap: 0; border: 2px solid var(--green-mid); border-radius: var(--radius); overflow: hidden; width: fit-content; font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }
.code-digit-group { padding: 14px 20px; letter-spacing: 6px; }
.code-digit-group.green { background: var(--green-light); color: var(--green); border-right: 2px dashed var(--green-mid); }
.code-digit-group.gold { background: var(--gold-light); color: #7a5500; }
.code-legend { display: flex; flex-direction: column; gap: 6px; }
.cl-item { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.cl-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.cl-dot.green { background: var(--green); }
.cl-dot.gold { background: var(--gold); }
.code-example { font-size: 14px; padding: 10px 14px; background: #f5f5f2; border-radius: var(--radius); border: 1px solid var(--border); }
.code-example strong { font-size: 18px; color: var(--green); letter-spacing: 2px; margin-right: 6px; }
.code-facts { display: flex; flex-direction: column; gap: 10px; }
.fact-item { font-size: 13px; color: var(--text); display: flex; gap: 8px; align-items: flex-start; padding: 8px 12px; background: var(--green-light); border-radius: var(--radius); border: 1px solid var(--green-mid); }

/* ── FOOTER ── */
.footer { background: #1e2a1e; color: #888; padding: 24px 0 16px; margin-top: 32px; }
.footer-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }
.disclaimer-box { display: flex; gap: 14px; align-items: flex-start; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg); padding: 16px 18px; margin-bottom: 16px; }
.disclaimer-icon { font-size: 22px; flex-shrink: 0; margin-top: 2px; }
.disclaimer-text { font-size: 12px; line-height: 1.7; color: #777; }
.disclaimer-text strong { color: #aaa; display: block; margin-bottom: 5px; font-size: 12.5px; }
.footer-bottom { border-top: 1px solid #333; padding-top: 12px; text-align: center; font-size: 11.5px; color: #555; }
.footer-bottom a:hover { color: #aaa; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .gpo-grid { grid-template-columns: repeat(2, 1fr); }
  .div-range-grid { grid-template-columns: repeat(2, 1fr); }
  .code-guide-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .header-inner { flex-wrap: wrap; gap: 10px; }
  .header-text h1 { font-size: 17px; }
  .lang-toggle { margin-left: auto; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .tabs { gap: 2px; }
  .tab-btn { font-size: 12px; padding: 8px 10px; }
  .gpo-grid { grid-template-columns: repeat(2, 1fr); }
  .div-range-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-inner { overflow-x: auto; }
  .nav-link { white-space: nowrap; font-size: 12px; padding: 9px 10px; }
  .pc-big { font-size: 30px; }
  .top-strip-inner { flex-direction: column; gap: 2px; }
  .ts-sep { display: none; }
}

@media (max-width: 480px) {
  .page { padding: 16px 12px; }
  .card-body { padding: 14px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .gpo-grid { grid-template-columns: 1fr 1fr; }
}

/* ── UTILITIES ── */
.divider { height: 1px; background: var(--border); margin: 16px 0; }