/**
 * Styles for Elimu ERP Document Management.
 * Prefix: eerp-dm-
 * Scoped under .eerp-dm-wrap to avoid theme leaks.
 */

.eerp-dm-wrap {
  box-sizing: border-box;
  width: 100%;
  font-family: var(--eerp-font-body, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif);
  color: var(--eerp-text, #1B2440);
  line-height: 1.5;
}

.eerp-dm-wrap *,
.eerp-dm-wrap *::before,
.eerp-dm-wrap *::after {
  box-sizing: inherit;
}

/* Header & Typography */
.eerp-dm-header {
  margin-bottom: 24px;
}

.eerp-dm-title {
  margin: 0 0 8px 0;
  font-family: var(--eerp-font-display, inherit);
  font-size: 24px;
  font-weight: 700;
  color: var(--eerp-brand, #0B1F4B);
  line-height: 1.25;
}

.eerp-dm-subtitle {
  margin: 0;
  font-size: 14px;
  color: var(--eerp-text-muted, #5A6480);
}

/* Tab Navigation */
.eerp-dm-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 2px solid var(--eerp-border, #E3E7EF);
  margin-bottom: 24px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.eerp-dm-tab-btn,
.eerp-dm-wrap button.eerp-dm-tab-btn,
.eerp-dm-wrap a.eerp-dm-tab-btn {
  background: transparent !important;
  border: none !important;
  border-bottom: 3px solid transparent !important;
  border-radius: 0 !important;
  padding: 10px 18px !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  color: var(--eerp-text-muted, #5A6480) !important;
  cursor: pointer !important;
  text-decoration: none !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  white-space: nowrap !important;
  box-shadow: none !important;
  transition: color 0.15s ease, border-color 0.15s ease !important;
  margin-bottom: -2px !important;
}

.eerp-dm-wrap button.eerp-dm-tab-btn:hover,
.eerp-dm-wrap a.eerp-dm-tab-btn:hover {
  background: transparent !important;
  color: var(--eerp-brand, #0B1F4B) !important;
  border-bottom-color: var(--eerp-border, #E3E7EF) !important;
}

.eerp-dm-wrap button.eerp-dm-tab-btn:focus,
.eerp-dm-wrap button.eerp-dm-tab-btn:focus-visible,
.eerp-dm-wrap a.eerp-dm-tab-btn:focus,
.eerp-dm-wrap a.eerp-dm-tab-btn:focus-visible {
  background: transparent !important;
  color: var(--eerp-brand, #0B1F4B) !important;
  outline: 2px solid var(--eerp-brand-accent, #C8A02A) !important;
  outline-offset: 2px !important;
}

.eerp-dm-wrap button.eerp-dm-tab-btn:active,
.eerp-dm-wrap a.eerp-dm-tab-btn:active {
  background: transparent !important;
  color: var(--eerp-brand, #0B1F4B) !important;
}

.eerp-dm-wrap button.eerp-dm-tab-btn.eerp-dm-tab-active,
.eerp-dm-wrap a.eerp-dm-tab-btn.eerp-dm-tab-active {
  background: transparent !important;
  color: var(--eerp-brand, #0B1F4B) !important;
  border-bottom-color: var(--eerp-brand, #0B1F4B) !important;
}

/* Control Bar & Filters */
.eerp-dm-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.eerp-dm-search-group {
  display: flex;
  flex: 1 1 280px;
  gap: 8px;
  min-width: 0;
}

.eerp-dm-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.eerp-dm-input,
.eerp-dm-select,
.eerp-dm-textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--eerp-text, #1B2440);
  background: var(--eerp-surface, #ffffff);
  border: 1px solid var(--eerp-border, #E3E7EF);
  border-radius: var(--eerp-radius, 8px);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.eerp-dm-input:focus,
.eerp-dm-select:focus,
.eerp-dm-textarea:focus {
  border-color: var(--eerp-brand, #0B1F4B);
  box-shadow: 0 0 0 3px rgba(11, 31, 75, 0.12);
}

.eerp-dm-textarea {
  min-height: 90px;
  resize: vertical;
}

/* Buttons */
.eerp-dm-btn,
.eerp-dm-wrap a.eerp-dm-btn,
.eerp-dm-wrap button.eerp-dm-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  line-height: 1 !important;
  padding: 10px 16px !important;
  border-radius: var(--eerp-radius, 8px) !important;
  border: 1px solid transparent !important;
  cursor: pointer !important;
  text-decoration: none !important;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease !important;
}

/* Primary Button */
.eerp-dm-wrap a.eerp-dm-btn-primary,
.eerp-dm-wrap a.eerp-dm-btn-primary:link,
.eerp-dm-wrap a.eerp-dm-btn-primary:visited,
.eerp-dm-wrap button.eerp-dm-btn-primary {
  background: var(--eerp-brand, #0B1F4B) !important;
  color: var(--eerp-on-brand, #FFFFFF) !important;
  border-color: var(--eerp-brand, #0B1F4B) !important;
}

.eerp-dm-wrap a.eerp-dm-btn-primary:hover,
.eerp-dm-wrap button.eerp-dm-btn-primary:hover {
  background: var(--eerp-brand-hover, #2D3E64) !important;
  color: var(--eerp-on-brand, #FFFFFF) !important;
  border-color: var(--eerp-brand-hover, #2D3E64) !important;
}

.eerp-dm-wrap a.eerp-dm-btn-primary:focus,
.eerp-dm-wrap a.eerp-dm-btn-primary:focus-visible,
.eerp-dm-wrap button.eerp-dm-btn-primary:focus,
.eerp-dm-wrap button.eerp-dm-btn-primary:focus-visible {
  outline: 2px solid var(--eerp-brand-accent, #C8A02A) !important;
  outline-offset: 2px !important;
  background: var(--eerp-brand-hover, #2D3E64) !important;
  color: var(--eerp-on-brand, #FFFFFF) !important;
}

.eerp-dm-wrap a.eerp-dm-btn-primary:active,
.eerp-dm-wrap button.eerp-dm-btn-primary:active {
  background: #061129 !important;
  color: var(--eerp-on-brand, #FFFFFF) !important;
}

/* Secondary Button */
.eerp-dm-wrap a.eerp-dm-btn-secondary,
.eerp-dm-wrap a.eerp-dm-btn-secondary:link,
.eerp-dm-wrap a.eerp-dm-btn-secondary:visited,
.eerp-dm-wrap button.eerp-dm-btn-secondary {
  background: var(--eerp-surface, #ffffff) !important;
  color: var(--eerp-text, #1B2440) !important;
  border-color: var(--eerp-border, #E3E7EF) !important;
}

.eerp-dm-wrap a.eerp-dm-btn-secondary:hover,
.eerp-dm-wrap button.eerp-dm-btn-secondary:hover {
  background: var(--eerp-brand-soft, #EBEDF1) !important;
  color: var(--eerp-brand, #0B1F4B) !important;
  border-color: #ccd3e0 !important;
}

.eerp-dm-wrap a.eerp-dm-btn-secondary:focus,
.eerp-dm-wrap a.eerp-dm-btn-secondary:focus-visible,
.eerp-dm-wrap button.eerp-dm-btn-secondary:focus,
.eerp-dm-wrap button.eerp-dm-btn-secondary:focus-visible {
  outline: 2px solid var(--eerp-brand, #0B1F4B) !important;
  outline-offset: 2px !important;
}

.eerp-dm-wrap a.eerp-dm-btn-secondary:active,
.eerp-dm-wrap button.eerp-dm-btn-secondary:active {
  background: #dfe3eb !important;
}

/* Danger Button */
.eerp-dm-wrap a.eerp-dm-btn-danger,
.eerp-dm-wrap a.eerp-dm-btn-danger:link,
.eerp-dm-wrap a.eerp-dm-btn-danger:visited,
.eerp-dm-wrap button.eerp-dm-btn-danger {
  background: var(--eerp-surface, #ffffff) !important;
  color: var(--eerp-danger, #dc2626) !important;
  border-color: rgba(220, 38, 38, 0.3) !important;
}

.eerp-dm-wrap a.eerp-dm-btn-danger:hover,
.eerp-dm-wrap button.eerp-dm-btn-danger:hover,
.eerp-dm-wrap a.eerp-dm-btn-danger:focus,
.eerp-dm-wrap a.eerp-dm-btn-danger:focus-visible,
.eerp-dm-wrap button.eerp-dm-btn-danger:focus,
.eerp-dm-wrap button.eerp-dm-btn-danger:focus-visible {
  background: rgba(220, 38, 38, 0.08) !important;
  color: #b91c1c !important;
  border-color: var(--eerp-danger, #dc2626) !important;
}

.eerp-dm-wrap a.eerp-dm-btn-danger:active,
.eerp-dm-wrap button.eerp-dm-btn-danger:active {
  background: rgba(220, 38, 38, 0.16) !important;
  color: #991b1b !important;
  border-color: var(--eerp-danger, #dc2626) !important;
}

/* Small Button Variant */
.eerp-dm-wrap a.eerp-dm-btn-sm,
.eerp-dm-wrap button.eerp-dm-btn-sm {
  padding: 6px 10px !important;
  font-size: 13px !important;
}

/* Disabled Button */
.eerp-dm-wrap button.eerp-dm-btn:disabled,
.eerp-dm-wrap button.eerp-dm-btn[disabled] {
  opacity: 0.6 !important;
  cursor: not-allowed !important;
}

/* Pills and Badges */
.eerp-dm-pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 9999px;
  line-height: 1.3;
}

.eerp-dm-pill-category {
  background: var(--eerp-brand-soft, #EBEDF1) !important;
  color: var(--eerp-brand, #0B1F4B) !important;
}

.eerp-dm-pill-pinned {
  background: var(--eerp-brand-accent-soft, #F7F1DF) !important;
  color: #8c6a08 !important;
  border: 1px solid rgba(200, 160, 42, 0.4) !important;
}

.eerp-dm-pill-published {
  background: rgba(22, 163, 74, 0.1) !important;
  color: var(--eerp-success, #16a34a) !important;
}

.eerp-dm-pill-archived {
  background: #f1f3f5 !important;
  color: #6c757d !important;
}

.eerp-dm-pill-expired {
  background: rgba(217, 119, 6, 0.1) !important;
  color: var(--eerp-warning, #d97706) !important;
}

/* Reader Documents Grid */
.eerp-dm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.eerp-dm-card {
  background: var(--eerp-surface, #ffffff);
  border: 1px solid var(--eerp-border, #E3E7EF);
  border-radius: var(--eerp-radius-lg, 12px);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.eerp-dm-card:hover {
  box-shadow: 0 4px 12px rgba(11, 31, 75, 0.06);
}

.eerp-dm-card-pinned {
  border-left: 4px solid var(--eerp-brand-accent, #C8A02A);
}

.eerp-dm-card-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.eerp-dm-card-title {
  margin: 0 0 8px 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--eerp-brand, #0B1F4B);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.eerp-dm-card-desc {
  margin: 0 0 16px 0;
  font-size: 14px;
  color: var(--eerp-text-muted, #5A6480);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.eerp-dm-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--eerp-text-muted, #5A6480);
  margin-bottom: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--eerp-border, #E3E7EF);
}

.eerp-dm-card-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.eerp-dm-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
}

/* Responsive Table Wrapper */
.eerp-dm-table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--eerp-surface, #ffffff);
  border: 1px solid var(--eerp-border, #E3E7EF);
  border-radius: var(--eerp-radius-lg, 12px);
  margin-bottom: 24px;
}

.eerp-dm-table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 14px;
}

.eerp-dm-table th,
.eerp-dm-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--eerp-border, #E3E7EF);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.eerp-dm-table th {
  background: var(--eerp-brand-soft, #EBEDF1);
  color: var(--eerp-brand, #0B1F4B);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.eerp-dm-table tbody tr:hover {
  background: rgba(235, 237, 241, 0.4);
}

.eerp-dm-table tbody tr:last-child td {
  border-bottom: none;
}

.eerp-dm-row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

/* Upload & Edit Form Styles */
.eerp-dm-form-card {
  background: var(--eerp-surface, #ffffff);
  border: 1px solid var(--eerp-border, #E3E7EF);
  border-radius: var(--eerp-radius-lg, 12px);
  padding: 24px;
  max-width: 800px;
  margin-bottom: 24px;
}

.eerp-dm-form-group {
  margin-bottom: 18px;
}

.eerp-dm-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.eerp-dm-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--eerp-text, #1B2440);
}

.eerp-dm-label-required::after {
  content: " *";
  color: var(--eerp-danger, #dc2626);
}

.eerp-dm-help-text {
  font-size: 12px;
  color: var(--eerp-text-muted, #5A6480);
  margin-top: 4px;
}

.eerp-dm-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
}

.eerp-dm-checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* Student Search Box and Picker */
.eerp-dm-student-picker {
  position: relative;
  min-width: 0;
}

.eerp-dm-student-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 220px;
  overflow-y: auto;
  background: var(--eerp-surface, #ffffff);
  border: 1px solid var(--eerp-border, #E3E7EF);
  border-radius: var(--eerp-radius, 8px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
  z-index: 50;
  margin-top: 4px;
}

.eerp-dm-student-item {
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--eerp-border, #E3E7EF);
  font-size: 13px;
}

.eerp-dm-student-item:hover {
  background: var(--eerp-brand-soft, #EBEDF1);
}

.eerp-dm-student-item:last-child {
  border-bottom: none;
}

.eerp-dm-selected-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--eerp-brand-soft, #EBEDF1);
  color: var(--eerp-brand, #0B1F4B);
  border-radius: var(--eerp-radius, 8px);
  margin-top: 8px;
  font-size: 13px;
  font-weight: 500;
}

/* Modals */
.eerp-dm-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 31, 75, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  padding: 16px;
  backdrop-filter: blur(2px);
}

.eerp-dm-modal {
  background: var(--eerp-surface, #ffffff);
  border-radius: var(--eerp-radius-lg, 12px);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.eerp-dm-modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--eerp-border, #E3E7EF);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.eerp-dm-modal-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--eerp-brand, #0B1F4B);
}

.eerp-dm-modal-body {
  padding: 20px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.eerp-dm-modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--eerp-border, #E3E7EF);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  background: #fafbfc;
}

/* Alerts and Notices */
.eerp-dm-alert {
  padding: 14px 18px;
  border-radius: var(--eerp-radius, 8px);
  margin-bottom: 20px;
  font-size: 14px;
  line-height: 1.4;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.eerp-dm-alert-info {
  background: rgba(11, 31, 75, 0.06);
  border: 1px solid var(--eerp-border, #E3E7EF);
  color: var(--eerp-brand, #0B1F4B);
}

.eerp-dm-alert-success {
  background: rgba(22, 163, 74, 0.08);
  border: 1px solid rgba(22, 163, 74, 0.2);
  color: #15803d;
}

.eerp-dm-alert-warning {
  background: rgba(217, 119, 6, 0.08);
  border: 1px solid rgba(217, 119, 6, 0.25);
  color: #b45309;
}

.eerp-dm-alert-error {
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid rgba(220, 38, 38, 0.25);
  color: #b91c1c;
}

.eerp-dm-alert-message {
  margin: 0;
}

.eerp-dm-alert-action {
  margin: 0;
}

/* Empty & Loading States */
.eerp-dm-empty-state {
  text-align: center;
  padding: 48px 24px;
  background: var(--eerp-surface, #ffffff);
  border: 1px dashed var(--eerp-border, #E3E7EF);
  border-radius: var(--eerp-radius-lg, 12px);
  margin-bottom: 24px;
}

.eerp-dm-empty-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--eerp-brand, #0B1F4B);
  margin: 0 0 6px 0;
}

.eerp-dm-empty-desc {
  font-size: 14px;
  color: var(--eerp-text-muted, #5A6480);
  margin: 0;
}

.eerp-dm-loading {
  text-align: center;
  padding: 32px 16px;
  font-size: 14px;
  color: var(--eerp-text-muted, #5A6480);
}

.eerp-dm-pagination {
  text-align: center;
  margin-top: 16px;
  margin-bottom: 24px;
}

/* Responsive Overrides */
@media (max-width: 767px) {
  .eerp-dm-form-row {
    grid-template-columns: 1fr;
  }

  .eerp-dm-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .eerp-dm-search-group {
    flex: 1 1 100%;
  }

  .eerp-dm-filters {
    width: 100%;
  }

  .eerp-dm-filters select {
    flex: 1 1 100%;
  }
}

/* Wider actions column so the row buttons stay readable inside the scrolling table. */
.eerp-dm-table th:last-child,
.eerp-dm-table td:last-child {
  width: 230px;
}

.eerp-dm-student-item:focus-visible {
  outline: 2px solid var(--eerp-brand-accent, #C8A02A);
  outline-offset: -2px;
}