/* আমার ব্রাহ্মণবাড়িয়া — premium mobile-first theme.
   Green/teal primary + warm amber accent, SOS red. Dark mode via [data-theme="dark"]. */
:root {
  --green: #0d7a5f;
  --teal: #0f766e;
  --accent: #f59e0b;
  --red: #dc2626;
  --bg: #f6f8f7;
  --card: #ffffff;
  --text: #1a2e28;
  --muted: #5f726b;
  --line: #e3ebe8;
  --footer-bg: #eef1f4;
  --shadow: 0 2px 10px rgba(13, 122, 95, .08);
  --radius: 16px;
}
[data-theme="dark"] {
  --bg: #0f1b18;
  --card: #182723;
  --text: #e8f1ed;
  --muted: #9db3ab;
  --line: #2a3d37;
  --footer-bg: #232f2b;
  --shadow: 0 2px 10px rgba(0, 0, 0, .35);
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Noto Sans Bengali", "Hind Siliguri", system-ui, -apple-system, sans-serif;
  line-height: 1.6; padding-bottom: 76px;
}
a { color: var(--teal); text-decoration: none; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
h1 { font-size: 1.5rem; margin: 18px 0 8px; }
h2 { font-size: 1.2rem; margin: 26px 0 10px; }
.muted { color: var(--muted); }
small { color: var(--muted); }

/* Top bar */
.topbar { background: rgba(255, 255, 255, .92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; box-shadow: 0 1px 10px rgba(13, 122, 95, .06); }
[data-theme="dark"] .topbar { background: rgba(24, 39, 35, .92); }
.topbar-in { display: flex; align-items: center; gap: 14px; padding: 10px 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand-logo { width: 42px; height: 42px; border-radius: 12px; display: block; }
.brand strong { display: block; line-height: 1.2; font-size: 1.05rem; }
.brand small { display: block; color: var(--muted); font-size: .75rem; line-height: 1.2; }
.topnav { display: flex; gap: 4px; margin-left: auto; }
.topnav a { padding: 8px 10px; border-radius: 10px; color: var(--text); font-size: .92rem; }
.topnav a:hover { background: var(--bg); }
.top-actions { display: flex; gap: 8px; align-items: center; }
.chip-btn {
  border: 1px solid var(--line); background: var(--card); color: var(--text);
  border-radius: 999px; padding: 6px 12px; cursor: pointer; font-size: .9rem;
}
.sos-btn {
  background: var(--red); color: #fff !important; font-weight: 700;
  padding: 8px 14px; border-radius: 999px; font-size: .92rem;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #0d7a5f, #0f766e 60%, #115e59);
  color: #fff; border-radius: 20px; padding: 28px 22px; margin-top: 16px;
}
.hero h1 { margin: 0 0 4px; font-size: 1.8rem; }
.hero p { margin: 0 0 16px; opacity: .92; }
.date-strip { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; }
.date-item { background: rgba(255, 255, 255, .16); color: #fff; border-radius: 12px; padding: 8px 14px; font-size: .92rem; line-height: 1.35; }
.date-item small { display: block; font-size: .7rem; font-weight: 700; letter-spacing: .05em; opacity: .9; }
.date-item.en small { color: #bfdbfe; }
.date-item.bn small { color: #a7f3d0; }
.date-item.hj small { color: #fde68a; }
.date-item .d-short { display: none; }
.search-hero { display: flex; align-items: center; gap: 4px; background: #fff; border-radius: 999px; padding: 5px; box-shadow: 0 8px 24px rgba(0, 0, 0, .18); }
.search-hero:focus-within { box-shadow: 0 8px 24px rgba(0, 0, 0, .22), 0 0 0 3px rgba(255, 255, 255, .35); }
.search-hero input {
  flex: 1; padding: 11px 14px; border: none; border-radius: 999px; font-size: 1rem; min-width: 0;
  background: transparent; outline: none; color: #1a2e28;
}
.search-hero input::placeholder { color: #7a8d86; }
.search-hero .btn { border-radius: 999px; padding: 10px 20px; flex: none; }
.hero-quick { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.hero-quick a {
  background: rgba(255, 255, 255, .16); color: #fff; padding: 7px 13px;
  border-radius: 999px; font-size: .9rem;
}

/* Buttons, forms */
.btn {
  display: inline-block; padding: 10px 18px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--card); color: var(--text); cursor: pointer; font-size: .95rem;
}
.btn.primary { background: var(--green); border-color: var(--green); color: #fff; font-weight: 600; }
.btn.danger { background: var(--red); border-color: var(--red); color: #fff; font-weight: 600; }
.btn.wa { background: #25d366; border-color: #25d366; color: #fff; font-weight: 600; }
.btn.ghost { background: transparent; }
.btn.big { padding: 13px 20px; font-size: 1rem; }
.flash { padding: 12px 16px; border-radius: 12px; margin-top: 14px; font-weight: 600; }
.flash.ok { background: #dcfce7; color: #166534; }
.flash.err { background: #fee2e2; color: #991b1b; }
[data-theme="dark"] .flash.ok { background: #14532d; color: #bbf7d0; }
[data-theme="dark"] .flash.err { background: #7f1d1d; color: #fecaca; }

.form { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin: 16px 0; box-shadow: var(--shadow); }
.form.narrow { max-width: 620px; }
.form label { display: block; margin-bottom: 12px; font-weight: 600; font-size: .92rem; }
.form input, .form select, .form textarea {
  display: block; width: 100%; margin-top: 5px; padding: 11px 12px;
  border: 1px solid var(--line); border-radius: 10px; font-size: 1rem;
  background: var(--bg); color: var(--text); font-family: inherit;
}
.form .check { display: flex; align-items: center; gap: 8px; font-weight: 400; }
.form .check input { width: auto; margin: 0; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.filter-bar input, .filter-bar select {
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--card); color: var(--text); font-size: 1rem; font-family: inherit;
}
.filter-bar input[type="search"] { flex: 1; min-width: 180px; }
.filter-bar .check { display: flex; align-items: center; gap: 6px; }

/* Category grid */
.cat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.cat-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 8px; text-align: center; color: var(--text); box-shadow: var(--shadow);
}
.cat-card:hover { border-color: var(--green); }
.cat-icon { display: block; font-size: 1.7rem; margin-bottom: 4px; }
.cat-card strong { display: block; font-size: .9rem; line-height: 1.3; }
.cat-card small { display: block; }

/* Listing cards */
.list-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.listing-card { display: flex; align-items: stretch; }
.card-body { display: flex; gap: 12px; padding: 14px; flex: 1; color: var(--text); min-width: 0; }
.card-icon { font-size: 1.8rem; line-height: 1; padding-top: 2px; }
.card-icon.blood-drop {
  width: 52px; height: 52px; border-radius: 50%; background: #fee2e2; color: #b91c1c;
  display: grid; place-items: center; font-size: 1rem; font-weight: 800; flex: none;
}
.card-text { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.card-text strong { font-size: 1rem; line-height: 1.35; }
.card-text small { line-height: 1.4; }
.call-btn {
  align-self: center; margin-right: 12px; background: var(--green); color: #fff !important;
  padding: 9px 14px; border-radius: 999px; font-weight: 600; white-space: nowrap; flex: none;
}
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: .78rem; font-weight: 700; }
.badge.demo { background: #fef3c7; color: #92400e; }
.badge.h24 { background: #dcfce7; color: #166534; }
.badge.ok { background: #dcfce7; color: #166534; }
.call-btn.small { padding: 6px 12px; font-size: .85rem; margin-right: 0; }

/* Blood donor matching */
.group-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.group-chips a { padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--text); font-weight: 700; }
.group-chips a:hover, .group-chips a.active { background: var(--teal); border-color: var(--teal); color: #fff; }
.match-box { margin: 10px 14px 14px; border-top: 1px dashed var(--line); padding-top: 10px; }
.match-head { margin: 0 0 6px; font-size: .95rem; }
.match-row { display: flex; align-items: center; gap: 8px; padding: 5px 0; font-size: .92rem; }
.match-row .call-btn { margin-left: auto; }
.match-link { font-size: .9rem; font-weight: 600; }

/* Detail page */
.crumbs { margin-top: 14px; font-size: .9rem; }
.detail-head { display: flex; gap: 14px; align-items: flex-start; margin-top: 8px; }
.detail-icon { font-size: 3rem; }
.detail-head h1 { margin: 0; }
.detail-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0; }
.detail-list { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 18px; }
.detail-list dt { font-weight: 700; }
.detail-list dd { margin: 0 0 10px; }
.review { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin-bottom: 10px; }
.review p { margin: 6px 0 0; }

/* SOS */
.sos-note { background: #fee2e2; color: #991b1b; border-radius: 12px; padding: 12px 16px; font-weight: 600; }
[data-theme="dark"] .sos-note { background: #7f1d1d; color: #fecaca; }
.sos-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 14px 0; }
.sos-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; display: flex; flex-direction: column; gap: 4px; box-shadow: var(--shadow);
}
.sos-card strong { font-size: 1.6rem; color: var(--red); }
.sos-card .btn { margin-top: 10px; text-align: center; }
.sos-fab {
  display: none; position: fixed; right: 16px; bottom: 84px; z-index: 60;
  background: var(--red); color: #fff; border: none; border-radius: 999px;
  padding: 12px 18px; font-size: 1rem; font-weight: 700; box-shadow: 0 4px 16px rgba(220, 38, 38, .4);
  cursor: pointer;
}
.sos-sheet {
  position: fixed; inset: 0; z-index: 70; background: rgba(0, 0, 0, .55);
  display: grid; place-items: end center;
}
.sos-sheet[hidden] { display: none; }
.sos-card-sheet, .sos-sheet .sos-card {
  background: var(--card); width: 100%; max-width: 480px; border-radius: 20px 20px 0 0; padding: 20px;
}
.sos-sheet .sos-card strong { font-size: 1.1rem; color: var(--text); }
.call-big {
  display: block; padding: 13px 16px; margin: 8px 0; border-radius: 12px;
  background: var(--bg); color: var(--text); font-weight: 700; border: 1px solid var(--line);
}

/* Footer (bottom bar only) */
.footer { border-top: 1px solid var(--line); margin-top: 36px; background: var(--footer-bg); }
.footer-dev { display: flex; flex-wrap: wrap; gap: 6px 18px; justify-content: center; padding: 16px 0 14px; font-size: .9rem; color: var(--muted); text-align: center; }
.footer-dev a { color: var(--muted); }
.footer-dev a:hover { color: var(--teal); }
.footer-dev strong a { color: var(--text); }
.footer-bottom { padding: 14px 0 30px; display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; font-size: .88rem; color: var(--muted); }
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--teal); }

/* Bottom nav */
.bottomnav {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 55;
  background: var(--card); border-top: 1px solid var(--line);
  grid-template-columns: repeat(5, 1fr); padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
}
.bottomnav a { text-align: center; color: var(--text); font-size: 1.15rem; line-height: 1.1; }
.bottomnav a span { display: block; font-size: .68rem; }
.bottomnav a.sos { color: var(--red); font-weight: 700; }

/* Admin */
.admin-table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; font-size: .92rem; }
.admin-table th, .admin-table td { padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.admin-table th { background: var(--bg); }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 14px 0; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; text-align: center; box-shadow: var(--shadow); }
.stat strong { display: block; font-size: 1.7rem; color: var(--green); }
.admin-nav { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.admin-nav a { padding: 8px 13px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--text); }
.admin-nav a.on { background: var(--green); color: #fff; border-color: var(--green); }

@media (max-width: 768px) {
  .topnav { display: none; }
  .brand strong { font-size: .92rem; }
  .brand small { display: none; }
  .brand-logo { width: 38px; height: 38px; }
  .topbar-in { gap: 10px; padding: 8px 14px; }
  .chip-btn { padding: 5px 10px; font-size: .85rem; }
  .sos-btn { display: none; }
  .hero-quick { display: none; }
  .hero { padding: 20px 16px; }
  .date-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin: 0 0 14px; }
  .date-item { padding: 9px 6px; text-align: center; font-size: .8rem; }
  .date-item small { font-size: .65rem; }
  .date-item .d-full { display: none; }
  .date-item .d-short { display: inline; }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .list-grid { grid-template-columns: 1fr; }
  .sos-grid { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .bottomnav { display: grid; }
  .sos-fab { display: block; }
  .search-hero { padding: 4px; }
  .search-hero input { padding: 10px 12px; font-size: .95rem; }
  .search-hero .btn { padding: 10px 16px; }
  .hero h1 { font-size: 1.5rem; }
}
@media (max-width: 420px) {
  .sos-grid { grid-template-columns: 1fr; }
}

/* Blood page — premium */
.blood-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 16px 0 4px; }
.bstat { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px 8px; text-align: center; box-shadow: var(--shadow); }
.bstat strong { display: block; font-size: 1.9rem; line-height: 1.15; color: var(--teal); }
.bstat small { display: block; font-size: .8rem; }
.bstat.ok strong { color: #15803d; }
.bstat.req strong { color: var(--red); }
.blood-finder { background: linear-gradient(180deg, #fff5f5, var(--card)); border: 1px solid #fecaca; border-radius: var(--radius); padding: 18px; margin: 16px 0; box-shadow: var(--shadow); }
[data-theme="dark"] .blood-finder { background: linear-gradient(180deg, #2b1a1a, var(--card)); border-color: #7f1d1d; }
.blood-finder h2 { margin-top: 0; }
.blood-page .group-chips a { padding: 10px 18px; }
.blood-page .group-chips a.active { background: var(--red); border-color: var(--red); color: #fff; box-shadow: 0 2px 8px rgba(220, 38, 38, .35); }
.donor-card, .req-card { display: flex; flex-direction: column; padding: 16px; gap: 12px; }
.donor-main, .req-main { display: flex; gap: 12px; align-items: flex-start; }
.blood-badge { width: 54px; height: 54px; border-radius: 50%; background: #fee2e2; color: #b91c1c; display: grid; place-items: center; font-size: 1.05rem; font-weight: 800; flex: none; box-shadow: inset 0 0 0 2px #fecaca; }
[data-theme="dark"] .blood-badge { background: #7f1d1d; color: #fecaca; box-shadow: inset 0 0 0 2px #991b1b; }
.donor-info, .req-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; flex: 1; }
.donor-name, .req-name { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: 1.02rem; }
.units-pill { background: #fee2e2; color: #b91c1c; font-weight: 800; border-radius: 999px; padding: 4px 12px; font-size: .85rem; white-space: nowrap; flex: none; }
[data-theme="dark"] .units-pill { background: #7f1d1d; color: #fecaca; }
.call-btn.blood { background: var(--red); margin: 0; align-self: stretch; text-align: center; padding: 11px 14px; }
.blood-page .match-box { margin: 0; border: 1px solid var(--line); border-radius: 12px; padding: 12px; background: var(--bg); }
.blood-page .match-box.has-match { background: #f0fdf4; border-color: #bbf7d0; }
[data-theme="dark"] .blood-page .match-box.has-match { background: #122b1a; border-color: #166534; }
.blood-page .match-box.no-match { background: #fffbeb; border-color: #fde68a; }
[data-theme="dark"] .blood-page .match-box.no-match { background: #2b2205; border-color: #92400e; }
.blood-page .match-row { padding: 8px 0; }
.blood-page .match-row + .match-row { border-top: 1px solid var(--line); }
.blood-forms .btn { width: 100%; }
.sec-count { font-size: .8rem; background: #fee2e2; color: #b91c1c; border-radius: 999px; padding: 2px 10px; font-weight: 700; vertical-align: middle; }
[data-theme="dark"] .sec-count { background: #7f1d1d; color: #fecaca; }

.results-meta { margin: 2px 0 10px; font-weight: 600; }
.results-meta strong { color: var(--red); }
.blood-page .match-box a { white-space: nowrap; }

/* Admin visitor analytics */
.visit-bars { display: flex; flex-direction: column; gap: 6px; margin: 12px 0; }
.visit-bar-row { display: grid; grid-template-columns: 96px 1fr auto; gap: 10px; align-items: center; font-size: .92rem; }
.visit-bar { background: var(--bg); border: 1px solid var(--line); border-radius: 999px; height: 12px; overflow: hidden; }
.visit-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--teal), var(--green)); border-radius: 999px; }
.visit-bar-row .num { text-align: right; font-weight: 700; white-space: nowrap; }