/* ============================================================
   DATA MANAGEMENT — Shared Listing Page Design System
   Smart Shiksha ERP — Bootstrap 5.3
   ------------------------------------------------------------
   UI-ONLY component layer. Never alters ids, JS hooks, PHP
   logic, SQL or DataTables config. Every listing page scopes
   its markup under `.dm-page` and inherits this design.
   Reuses the global ERP tokens from dashboard.css.
   ============================================================ */

.dm-page {
  --dm-radius: 16px;
  --dm-radius-sm: 10px;
  --dm-radius-pill: 100px;
  --dm-shadow: var(--erp-shadow);
  --dm-shadow-hover: var(--erp-shadow-md);
  --dm-border: var(--erp-border, #E8ECF7);
  --dm-text: var(--erp-text, #1E293B);
  --dm-text-secondary: var(--erp-text-secondary, #475569);
  --dm-text-muted: var(--erp-text-muted, #94A3B8);
  --dm-surface: #ffffff;
  --dm-surface-alt: var(--erp-surface-alt, #F7F9FF);

  /* Blue → Purple Smart Shiksha gradient (header & sticky table header) */
  --dm-gradient: linear-gradient(135deg, #3B82F6 0%, #4F46E5 55%, #6D4DFF 100%);
}

.dm-page h1, .dm-page h2, .dm-page h3, .dm-page h4 { margin: 0; }

/* ─────────────────────────────────────────────
   1. PAGE HEADER (Hero)
   Module icon · Title · Description · Record badge · Primary action
   ───────────────────────────────────────────── */
.dm-header {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  padding: 12px 15px;
  margin-bottom: 7px;
  border-radius: var(--dm-radius);
  background: var(--dm-gradient);
  color: #fff;
  box-shadow: var(--dm-shadow);
  overflow: hidden;
}
.dm-header::after {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: rgba(255,255,255,0.10);
}
.dm-header::before {
  content: "";
  position: absolute;
  right: 40px; bottom: -80px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
}

.dm-header-icon {
  flex: 0 0 auto;
  width: 50px; height: 50px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--dm-radius-sm);
  background: rgba(255,255,255,0.18);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.25);
  font-size: 1.6rem;
  color: #fff;
  z-index: 1;
}

.dm-header-body { flex: 1 1 220px; min-width: 0; z-index: 1; }
.dm-header-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.dm-header-desc {
  margin-top: 4px;
  font-size: 0.86rem;
  opacity: 0.9;
}

.dm-header-actions { display: flex; align-items: center; gap: 12px; z-index: 1; }

/* Record count badge */
.dm-header-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  border-radius: var(--dm-radius-pill, 100px);
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.3);
  font-size: 0.82rem; font-weight: 600;
}
.dm-header-badge .dm-badge-num { font-variant-numeric: tabular-nums; font-weight: 800; font-size: 0.95rem; }

/* Primary action button inside header */
.dm-header .btn-primary-action {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff;
  color: #4F46E5;
  border-radius: var(--dm-radius-sm);
  border: none;
  padding: 10px 18px;
  font-weight: 700; font-size: 0.88rem;
  box-shadow: 0 6px 16px rgba(0,0,0,0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}
.dm-header .btn-primary-action:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(0,0,0,0.24);
  color: #4338CA;
}

/* ─────────────────────────────────────────────
   2. ACTION TOOLBAR
   Search · Refresh · Filter · Export · Print · Columns · Bulk
   ───────────────────────────────────────────── */
.dm-toolbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 12px 16px;
  margin-bottom: 16px;
  background: var(--dm-surface);
  border: 1px solid var(--dm-border);
  border-radius: var(--dm-radius);
  box-shadow: var(--dm-shadow);
}
.dm-toolbar .dm-search-wrap {
  position: relative;
  flex: 1 1 220px;
  max-width: 340px;
}
.dm-search-wrap .dm-search-icon {
  position: absolute; 
  
  transform: translateY(-50%);
  color: var(--dm-text-muted);
  font-size: 0.0rem;
  pointer-events: none;
}
.dm-search-wrap input.dm-search {
  width: 100%;
  padding: 9px 12px 9px 34px;
  border: 1.5px solid var(--dm-border);
  border-radius: var(--dm-radius-pill, 100px);
  font-size: 0.86rem;
  background: var(--dm-surface-alt);
  color: var(--dm-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.dm-search-wrap input.dm-search:focus {
  outline: none;
  border-color: var(--erp-primary, #4F46E5);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(79,70,229,0.12);
}

/* Icon toolbar buttons */
.dm-toolbar .btn.dm-tool {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 38px; min-width: 38px;
  border-radius: var(--dm-radius-sm);
  border: 1.5px solid var(--dm-border);
  background: var(--dm-surface);
  color: var(--dm-text-secondary);
  font-size: 0.86rem; font-weight: 600;
  padding: 0 12px;
  transition: all 0.2s ease;
}
.dm-toolbar .btn.dm-tool i { font-size: 0.95rem; }
.dm-toolbar .btn.dm-tool:hover {
  border-color: var(--erp-primary, #4F46E5);
  color: var(--erp-primary, #4F46E5);
  background: var(--erp-primary-soft, #E7EAFF);
}

/* ─────────────────────────────────────────────
   3. DATA TABLE CARD
   Header (title · count) · Body (existing table) · Footer
   ───────────────────────────────────────────── */
.dm-card {
  background: var(--dm-surface);
  border: 1px solid var(--dm-border);
  border-radius: var(--dm-radius);
  box-shadow: var(--dm-shadow);
  overflow: hidden;
}
.dm-card-header {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 12px;
  border-bottom: 1px solid var(--dm-border);
  background: var(--dm-surface-alt);
}
.dm-card-header .dm-card-title {
  font-size: 1.05rem; font-weight: 700; color: var(--dm-text);
  display: inline-flex; align-items: center; gap: 9px;
}
.dm-card-header .dm-card-title i { color: var(--erp-primary, #4F46E5); }
.dm-card-count {
  font-size: 0.74rem; font-weight: 700;
  color: var(--erp-primary, #4F46E5);
  background: var(--erp-primary-soft, #E7EAFF);
  padding: 3px 10px; border-radius: var(--dm-radius-pill, 100px);
}
.dm-card-body { padding: 0; }

.dm-card-footer {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 20px;
  border-top: 1px solid var(--dm-border);
  background: var(--dm-surface-alt);
  font-size: 0.82rem; color: var(--dm-text-secondary);
}

/* ─────────────────────────────────────────────
   4. TABLE DESIGN
   Striped · Hover · Sticky gradient header · Rounded · Compact
   ───────────────────────────────────────────── */
.dm-page .dm-table-wrap { overflow-x: auto; }
.dm-page table.dm-table {
  width: 100%;
  margin: 0;
  font-size: 0.85rem;
  border-collapse: separate;
  border-spacing: 0;
  color: var(--dm-text);
}
.dm-page table.dm-table thead th {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--dm-gradient);
  color: #fff;
  font-weight: 600;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: none;
  padding: 6px 7px;
  white-space: nowrap;
  text-align: left;
}
.dm-page table.dm-table thead th.text-center { text-align: center; }

.dm-page table.dm-table tbody td {
  padding: 3px 5px;
  vertical-align: middle;
  border-bottom: 1px solid var(--dm-border);
  color: var(--dm-text);
}
.dm-page table.dm-table tbody tr:last-child td { border-bottom: none; }
.dm-page table.dm-table tbody tr:nth-child(odd) { background: var(--dm-surface-alt); }
.dm-page table.dm-table tbody tr:nth-child(even) { background: var(--dm-surface); }
.dm-page table.dm-table tbody tr:hover { background: var(--erp-primary-softer, #F2F5FF); }
.dm-page table.dm-table td.text-center { text-align: center; }

/* Totals / summary footer row (report previews) */
.dm-page table.dm-table tfoot tr.dm-tfoot td {
  padding: 6px 7px;
  border-top: 2px solid var(--dm-border);
  background: var(--dm-surface-alt);
  color: var(--dm-text);
  font-weight: 700;
}
[data-theme="dark"] .dm-page table.dm-table tfoot tr.dm-tfoot td {
  background: #16213a;
  color: #E2E8F0;
  border-color: #334155;
}


/* ─────────────────────────────────────────────
   5. ACTION BUTTONS (icon-only, rounded, tooltip)
   ───────────────────────────────────────────── */
.dm-action-group { display: inline-flex; gap: 6px; align-items: center; }
.dm-page .btn.dm-btn-icon {
  width: 24px; height: 24px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 9px;
  border: none;
  font-size: 0.85rem;
  padding: 0;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: var(--erp-shadow-sm);
}
.dm-page .btn.dm-btn-icon:hover { transform: translateY(-1px); }
.dm-page .btn.dm-btn-edit { background: var(--erp-primary-soft, #E7EAFF); color: var(--erp-primary, #4F46E5); }
.dm-page .btn.dm-btn-edit:hover { background: var(--erp-primary, #4F46E5); color: #fff; }
.dm-page .btn.dm-btn-delete { background: var(--erp-danger-soft, #FDE4E4); color: var(--erp-danger, #EF4444); }
.dm-page .btn.dm-btn-delete:hover { background: var(--erp-danger, #EF4444); color: #fff; }
.dm-page .btn.dm-btn-print { background: var(--erp-warning-soft, #FEF1D6); color: #B45309; }
.dm-page .btn.dm-btn-print:hover { background: var(--erp-warning, #F59E0B); color: #fff; }

/* ─────────────────────────────────────────────
   6. EMPTY STATE
   ───────────────────────────────────────────── */
.dm-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px;
  padding: 56px 20px;
  text-align: center;
  color: var(--dm-text-muted);
}
.dm-empty-illustration {
  width: 96px; height: 96px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--erp-primary-softer, #F2F5FF);
  color: var(--erp-primary-light, #60A5FA);
  font-size: 2.6rem;
}
.dm-empty-title { font-size: 1.05rem; font-weight: 700; color: var(--dm-text); }
.dm-empty-sub { font-size: 0.85rem; max-width: 360px; }
.dm-empty .btn { margin-top: 6px; }

/* ─────────────────────────────────────────────
   7. RESPONSIVE
   ───────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .dm-header { padding: 18px 20px; }
  .dm-header-title { font-size: 1.3rem; }
}
@media (max-width: 767.98px) {
  .dm-header { gap: 14px; }
  .dm-header-icon { width: 48px; height: 48px; font-size: 1.3rem; }
  .dm-toolbar .dm-search-wrap { max-width: none; }
  .dm-header-actions { width: 100%; justify-content: flex-end; }
  .dm-header-actions .btn-primary-action { flex: 1; justify-content: center; }
}
@media (max-width: 575.98px) {
  .dm-header { padding: 16px; }
  .dm-header-desc { font-size: 0.8rem; }
  .dm-toolbar { gap: 8px; }
}

/* ─────────────────────────────────────────────
   8. DARK MODE
   ───────────────────────────────────────────── */
[data-theme="dark"] .dm-toolbar,
[data-theme="dark"] .dm-card {
  background: #0F172A;
  border-color: #334155;
}
[data-theme="dark"] .dm-page .dm-card-header,
[data-theme="dark"] .dm-page .dm-card-footer,
[data-theme="dark"] .dm-toolbar .btn.dm-tool {
  background: #0F172A;
  border-color: #334155;
  color: #CBD5E1;
}
[data-theme="dark"] .dm-toolbar .btn.dm-tool:hover {
  border-color: var(--erp-primary, #4F46E5);
  color: var(--erp-blue-light, #60A5FA);
  background: #1E293B;
}
[data-theme="dark"] .dm-page table.dm-table tbody td { border-color: #334155; color: #E2E8F0; }
[data-theme="dark"] .dm-page table.dm-table tbody tr:nth-child(odd) { background: #1E293B; }
[data-theme="dark"] .dm-page table.dm-table tbody tr:nth-child(even) { background: #16213a; }
[data-theme="dark"] .dm-page table.dm-table tbody tr:hover { background: #2A3550; }
[data-theme="dark"] .dm-search-wrap input.dm-search {
  background: #0F172A; border-color: #334155; color: #E2E8F0;
}
[data-theme="dark"] .dm-search-wrap input.dm-search:focus { border-color: var(--erp-primary, #4F46E5); }
[data-theme="dark"] .dm-page .dm-empty-illustration { background: #26304a; }

/* Hero header — deepen the brand gradient so it doesn't glare on the
   dark page, and add a matching dark shadow */
[data-theme="dark"] .dm-header {
  --dm-gradient: linear-gradient(135deg, #1E40AF 0%, #4338CA 55%, #5B21B6 100%);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
/* Icon + badges get slightly more contrast on the deeper gradient */
[data-theme="dark"] .dm-header-badge,
[data-theme="dark"] .dm-header-icon {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.3);
}
/* Count chip — indigo-soft chip adapted for dark mode */
[data-theme="dark"] .dm-card-count {
  background: rgba(99, 102, 241, 0.22);
  color: #A5B4FC;
}

/* ─────────────────────────────────────────────
   9. PRINT
   ───────────────────────────────────────────── */
@media print {
  .dm-header, .dm-toolbar, .dm-header-actions { display: none !important; }
  .dm-page .dm-card { border: 1px solid #ddd; box-shadow: none; }
  .dm-page table.dm-table thead th { background: #f4f4f4 !important; color: #111 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}