:root {
  /* ---- brand colours: unchanged — the glass refresh below only
     changes shapes, blur, and depth, never the palette itself ---- */
  --brand-green: #17a463;
  --brand-green-dark: #0f5132;
  --brand-green-light: #22c37c;
  --brand-gold: #e6c55c;
  --brand-gold-dark: #b3860f;

  --bg: #0b0f0d;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.07);
  --surface-3: rgba(255, 255, 255, 0.1);
  --border: rgba(255, 255, 255, 0.09);
  --text: #eef1ef;
  --text-muted: #93a39a;

  /* ---- "liquid glass" tokens: soft, rounded, layered surfaces ---- */
  --radius: 20px;
  --radius-sm: 14px;
  --radius-pill: 999px;
  --glass-blur: blur(22px) saturate(160%);
  --glass-highlight: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0) 45%);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.35), 0 1px 0 rgba(255, 255, 255, 0.04) inset;
  --shadow-lift: 0 22px 50px rgba(0, 0, 0, 0.45), 0 1px 0 rgba(255, 255, 255, 0.05) inset;
}

* { -webkit-tap-highlight-color: transparent; }

body {
  background-color: var(--bg);
  background-image:
    radial-gradient(900px 560px at 12% -8%, rgba(23, 164, 99, 0.2), transparent 60%),
    radial-gradient(760px 520px at 112% 8%, rgba(230, 197, 92, 0.14), transparent 60%),
    radial-gradient(900px 700px at 50% 115%, rgba(15, 81, 50, 0.3), transparent 60%);
  background-attachment: fixed;
  background-repeat: no-repeat;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand-gold); }
a:hover { color: var(--brand-gold-dark); }

/* ---------- glass surface highlight (the thin light line along the
   top edge every frosted panel below gets, mimicking a lit glass
   edge) ---------- */
.card, .guest-card, .stat-card, .mini-stat, .balance-card, .due-row {
  position: relative;
  overflow: hidden;
}
.card::before, .guest-card::before, .stat-card::before, .mini-stat::before,
.balance-card::before, .due-row::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  opacity: 0.55;
  pointer-events: none;
}

/* ---------- guest / login screens ---------- */
.guest-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.guest-wrap { width: 100%; max-width: 400px; }
.guest-card {
  background: var(--surface);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-lift);
}
.guest-brand-icon {
  width: 60px; height: 60px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-green-dark), var(--brand-green));
  background-image: var(--glass-highlight), linear-gradient(135deg, var(--brand-green-dark), var(--brand-green));
  color: var(--brand-gold);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: .75rem;
  box-shadow: 0 10px 24px rgba(23, 164, 99, 0.35);
}
.guest-card .form-label { color: var(--text-muted); }
.guest-card .form-control {
  background: var(--surface-2); border-color: var(--border); color: var(--text);
}
.guest-card .form-control:focus {
  background: var(--surface-2); color: var(--text);
  border-color: var(--brand-green); box-shadow: 0 0 0 .2rem rgba(23,164,99,.25);
}

/* ---------- cards ---------- */
.card {
  background: var(--surface);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  box-shadow: var(--shadow-soft);
}
.card .text-muted { color: var(--text-muted) !important; }
.form-control, .form-select {
  background: var(--surface-2); border-color: var(--border); color: var(--text);
  border-radius: var(--radius-sm);
}
.form-control:focus, .form-select:focus {
  background: var(--surface-2); color: var(--text);
  border-color: var(--brand-green); box-shadow: 0 0 0 .2rem rgba(23,164,99,.25);
}
.form-control::placeholder { color: var(--text-muted); }
.form-control-sm, .form-select-sm { background: var(--surface-2); border-color: var(--border); color: var(--text); border-radius: var(--radius-sm); }
.list-group-item { background: var(--surface); border-color: var(--border); color: var(--text); }
.list-group-item-action:hover { background: var(--surface-3); color: var(--text); }
.list-group-item.active { background: var(--brand-green); border-color: var(--brand-green); color: #06120b; }

/* ---------- stat cards ---------- */
.stat-card {
  border-radius: var(--radius); padding: 1.25rem 1.5rem; color: #eafff2;
  box-shadow: var(--shadow-soft);
}
.stat-card.green { background: linear-gradient(135deg, var(--brand-green-dark), var(--brand-green)); background-image: var(--glass-highlight), linear-gradient(135deg, var(--brand-green-dark), var(--brand-green)); }
.stat-card.gold { background: linear-gradient(135deg, var(--brand-gold-dark), var(--brand-gold)); background-image: var(--glass-highlight), linear-gradient(135deg, var(--brand-gold-dark), var(--brand-gold)); color: #201502; }
.stat-card.red { background: linear-gradient(135deg, #5c1414, #9c2b2b); background-image: var(--glass-highlight), linear-gradient(135deg, #5c1414, #9c2b2b); }
.stat-card .stat-label { opacity: .85; font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; }
.stat-card .stat-value { font-size: 1.9rem; font-weight: 700; }

/* ---------- secondary (mini) stat tiles ---------- */
.mini-stat {
  border-radius: var(--radius); padding: 1rem 1.1rem; height: 100%;
  background: var(--surface);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}
.mini-stat .mini-stat-icon {
  width: 34px; height: 34px; border-radius: 11px; background: var(--surface-2);
  color: var(--brand-green-light); display: inline-flex; align-items: center;
  justify-content: center; font-size: 1rem; margin-bottom: .6rem;
}
.mini-stat .mini-stat-label { color: var(--text-muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.mini-stat .mini-stat-value { font-size: 1.25rem; font-weight: 700; margin-top: .15rem; }
.mini-stat .mini-stat-sub { color: var(--text-muted); font-size: .78rem; margin-top: .1rem; }

/* ---------- collection trend chart ---------- */
.trend-chart-bar { fill: var(--brand-green); }
.trend-chart-bar.current { fill: var(--brand-green-light); }
.trend-chart-bar:hover { fill: var(--brand-gold); }
.trend-chart-axis-text { fill: var(--text-muted); font-size: 11px; }
.trend-chart-value-text { fill: var(--text); font-size: 12px; font-weight: 700; }
.trend-chart-gridline { stroke: var(--border); stroke-width: 1; }
.trend-chart-baseline { stroke: var(--border); stroke-width: 1; }

/* ---------- badges (pill capsules) ---------- */
.badge-paid { background: #163625; color: #6fe3a3; border-radius: var(--radius-pill); padding: .35em .75em; font-weight: 600; }
.badge-partial { background: #3a2f10; color: #f0c94a; border-radius: var(--radius-pill); padding: .35em .75em; font-weight: 600; }
.badge-pending { background: #262e2b; color: #b9c4bd; border-radius: var(--radius-pill); padding: .35em .75em; font-weight: 600; }
.badge-overdue { background: #3a1717; color: #f18b8b; border-radius: var(--radius-pill); padding: .35em .75em; font-weight: 600; }

/* ---------- misc ---------- */
.brand-icon-sm {
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-green-dark), var(--brand-green));
  background-image: var(--glass-highlight), linear-gradient(135deg, var(--brand-green-dark), var(--brand-green));
  color: var(--brand-gold);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: .95rem;
}
.table { color: var(--text); --bs-table-bg: transparent; --bs-table-color: var(--text); }
.table thead th {
  font-size: .8rem; text-transform: uppercase; letter-spacing: .03em;
  color: var(--text-muted); border-bottom-color: var(--border); border-bottom-width: 1px;
}
.table td, .table th { border-color: var(--border); }
.table-hover > tbody > tr:hover > * { background: var(--surface-2); color: var(--text); }

/* ---------- buttons: soft pill shapes, a gentle press animation ---------- */
.btn {
  border-radius: var(--radius-pill);
  transition: transform .12s ease, box-shadow .12s ease, background-color .15s ease, filter .15s ease;
}
.btn:active { transform: scale(.96); }
.btn-brand {
  background: linear-gradient(180deg, var(--brand-green-light), var(--brand-green)); border-color: var(--brand-green); color: #06120b; font-weight: 600;
  box-shadow: 0 8px 20px rgba(23, 164, 99, 0.3);
}
.btn-brand:hover { filter: brightness(1.06); border-color: var(--brand-green-light); color: #06120b; }
.btn-outline-secondary { color: var(--text-muted); border-color: var(--border); }
.btn-outline-secondary:hover { background: var(--surface-3); color: var(--text); border-color: var(--border); }
.btn-whatsapp { background: linear-gradient(180deg, #2fe072, #25d366); border-color: #25d366; color: #06120b; font-weight: 600; box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3); }
.btn-whatsapp:hover { filter: brightness(1.06); border-color: #1ebe57; color: #06120b; }
code { color: var(--brand-gold); background: var(--surface-2); padding: .15rem .5rem; border-radius: var(--radius-pill); }

/* ---------- pagination: pill chips with a little breathing room ---------- */
.pagination { gap: .35rem; }
.pagination .page-link {
  background: var(--surface); border-color: var(--border); color: var(--text);
  border-radius: var(--radius-pill) !important; margin-left: 0 !important;
}
.pagination .page-item.active .page-link { background: var(--brand-green); border-color: var(--brand-green); color: #06120b; }

footer.app-footer { color: var(--text-muted); font-size: .8rem; padding: 2rem 0; text-align: center; }

/* ---------- alerts: soft glass tint instead of a flat fill ---------- */
.alert {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.alert-success { background: rgba(23, 164, 99, 0.16); color: #86ecb3; border-color: rgba(23, 164, 99, 0.3); }
.alert-danger { background: rgba(156, 43, 43, 0.22); color: #f5a3a3; border-color: rgba(156, 43, 43, 0.35); }
.alert-warning { background: rgba(230, 197, 92, 0.16); color: #f0c94a; border-color: rgba(230, 197, 92, 0.3); }

/* ================================================================
   Admin dashboard shell — frosted glass sidebar layout
   ================================================================ */
.admin-shell { display: flex; min-height: 100vh; }

.admin-sidebar {
  width: 250px;
  flex-shrink: 0;
  background: rgba(13, 21, 18, 0.55);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-brand {
  display: flex; align-items: center; gap: .6rem;
  padding: 1.25rem 1.1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-weight: 700;
}
.sidebar-nav { flex: 1 1 auto; padding: .75rem .6rem; overflow-y: auto; }
.sidebar-link {
  display: flex; align-items: center; gap: .65rem;
  padding: .6rem .9rem; margin-bottom: .2rem;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  text-decoration: none;
  font-size: .92rem;
  transition: background .15s, color .15s, transform .12s;
}
.sidebar-link i { font-size: 1.05rem; width: 1.2rem; text-align: center; }
.sidebar-link:hover { background: var(--surface-2); color: var(--text); transform: translateX(2px); }
.sidebar-link.active {
  background: linear-gradient(90deg, rgba(230,197,92,.18), rgba(230,197,92,.04));
  color: var(--brand-gold); font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(230,197,92,.25);
}
.sidebar-link.active i { color: var(--brand-gold); }
.sidebar-viewing-banner {
  margin: 0 1.1rem .75rem;
  padding: .6rem .8rem;
  border-radius: var(--radius-sm);
  background: rgba(230,197,92,.1);
  border: 1px solid rgba(230,197,92,.25);
}
.sidebar-viewing-banner a { color: var(--brand-gold); text-decoration: none; }
.sidebar-viewing-banner a:hover { color: var(--brand-gold-dark); }

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 1rem 1.1rem;
}
.sidebar-user { color: var(--text); font-size: .85rem; font-weight: 600; margin-bottom: .5rem; }
.sidebar-logout {
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--text-muted); font-size: .82rem; text-decoration: none;
}
.sidebar-logout:hover { color: #f18b8b; }

.admin-main { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; }
.admin-mobile-topbar {
  display: flex; align-items: center; gap: .75rem;
  background: rgba(13, 21, 18, 0.6);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border);
  padding: .85rem 1rem; position: sticky; top: 0; z-index: 30;
  color: var(--text); font-weight: 700;
}
.hamburger-btn {
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 50%; width: 36px; height: 36px; font-size: 1.1rem;
  transition: background .15s;
}
.hamburger-btn:hover { background: var(--surface-3); }
.admin-content-area { padding: 1.5rem; flex: 1 1 auto; }

@media (max-width: 991.98px) {
  .admin-sidebar { display: none; }
  .admin-content-area { padding: 1.1rem; }
}

/* ---------- printing admin pages (reports, defaulters, etc.) ----------
   Mirrors what the payment receipt already does for itself: drop the
   glass/dark theme for plain black-on-white (saves ink, reads clearly
   on paper), hide everything that isn't the report itself (sidebar,
   nav, buttons, filter forms, pagination, flash messages — anything
   marked .no-print), and shrink the table down so more rows fit per
   page instead of a few rows per sheet. Any page using
   admin_layout_top.php gets this automatically; mark page chrome that
   shouldn't print with class="no-print". */
@media print {
  @page { size: A4; margin: 10mm; }

  .no-print, .admin-sidebar, .admin-mobile-topbar, .offcanvas,
  footer.app-footer, .alert { display: none !important; }

  body, .admin-content-area { background: #fff !important; background-image: none !important; color: #000 !important; }
  .admin-shell, .admin-main { display: block !important; }
  .admin-content-area { padding: 0 !important; }

  .card {
    background: #fff !important; color: #000 !important;
    border: 1px solid #ccc !important; border-radius: 0 !important;
    box-shadow: none !important; -webkit-backdrop-filter: none !important; backdrop-filter: none !important;
    page-break-inside: avoid;
  }
  .card::before { display: none !important; }
  .card .text-muted, .text-muted { color: #555 !important; }
  h4, h5, h6 { color: #000 !important; }

  .table { color: #000 !important; font-size: 10px; }
  .table th, .table td { border-color: #ccc !important; padding: .3rem .4rem !important; }
  .table thead th { color: #000 !important; }
  .badge { border: 1px solid #999 !important; background: #fff !important; color: #000 !important; }

  a { color: #000 !important; text-decoration: none !important; }
}