/* ============================================================
   IDONEA — Organisms
   Sidebar, topbar, modal, datatable, empty/error states
   ============================================================ */

/* ----- APP SHELL ----- */
.idn-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
  background: var(--idn-bg-soft);
}
.idn-shell--narrow { grid-template-columns: 76px 1fr; }

/* ----- SIDEBAR ----- */
.idn-sidebar {
  background: var(--idn-surface);
  border-right: 1px solid var(--idn-border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.idn-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px 20px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--idn-border);
}
.idn-sidebar-section {
  font-size: var(--idn-text-2xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--idn-tracking-wider);
  color: var(--idn-text-subtle);
  padding: 16px 12px 6px;
}
.idn-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--idn-radius-md);
  color: var(--idn-text-muted);
  font-size: var(--idn-text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--idn-dur-fast) var(--idn-ease-out);
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  position: relative;
}
.idn-nav-item .idn-icon { width: 18px; height: 18px; flex-shrink: 0; }
.idn-nav-item:hover {
  background: var(--idn-surface-alt);
  color: var(--idn-text);
}
.idn-nav-item.is-active {
  background: var(--idn-brand);
  color: #fff;
  box-shadow: var(--idn-shadow-brand);
}
.idn-nav-item.is-active .idn-nav-badge {
  background: rgba(255,255,255,0.25);
  color: #fff;
}
.idn-nav-badge {
  margin-left: auto;
  background: var(--idn-brand-soft);
  color: var(--idn-brand);
  font-size: 11px;
  font-weight: 600;
  padding: 1px 8px;
  border-radius: var(--idn-radius-pill);
}

/* ----- TOPBAR ----- */
.idn-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
  background: var(--idn-surface);
  border-bottom: 1px solid var(--idn-border);
  position: sticky;
  top: 0;
  z-index: var(--idn-z-sticky);
}
.idn-topbar-search {
  flex: 1;
  max-width: 480px;
}
.idn-topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.idn-icon-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--idn-surface-alt);
  color: var(--idn-text-muted);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all var(--idn-dur-fast);
}
.idn-icon-btn:hover { background: var(--idn-brand-soft); color: var(--idn-brand); }
.idn-icon-btn .idn-icon { width: 18px; height: 18px; }
.idn-icon-btn-badge {
  position: absolute;
  top: 6px; right: 6px;
  background: var(--idn-brand);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 5px;
  border: 2px solid var(--idn-surface);
}

/* ----- MODAL ----- */
.idn-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 16, 18, 0.55);
  backdrop-filter: blur(4px);
  z-index: var(--idn-z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 1;
  animation: idn-fade-in var(--idn-dur-base) var(--idn-ease-out);
}
.idn-modal {
  background: var(--idn-surface);
  border-radius: var(--idn-radius-xl);
  box-shadow: var(--idn-shadow-xl);
  width: 100%;
  max-width: 560px;
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: idn-modal-in var(--idn-dur-slow) var(--idn-ease-out);
}
.idn-modal--sm { max-width: 420px; }
.idn-modal--md { max-width: 560px; }
.idn-modal--lg { max-width: 760px; }
.idn-modal--xl { max-width: 960px; }
.idn-modal--fullscreen {
  max-width: 100%;
  max-height: 100%;
  border-radius: 0;
  width: 100%;
  height: 100%;
}
@keyframes idn-fade-in { from { opacity: 0; } }
@keyframes idn-modal-in {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.idn-modal-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--idn-border);
}
.idn-modal-header-icon {
  width: 40px; height: 40px;
  border-radius: var(--idn-radius-md);
  background: var(--idn-brand-soft);
  color: var(--idn-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.idn-modal-header-icon .idn-icon { width: 20px; height: 20px; }
.idn-modal-header-icon--danger { background: var(--idn-danger-50); color: var(--idn-danger-600); }
.idn-modal-header-icon--success { background: var(--idn-success-50); color: var(--idn-success-600); }
.idn-modal-header-icon--warning { background: var(--idn-warning-50); color: var(--idn-warning-600); }
.idn-modal-header-text { flex: 1; min-width: 0; }
.idn-modal-title {
  font-size: var(--idn-text-lg);
  font-weight: 700;
  color: var(--idn-text-strong);
  margin: 0;
  line-height: var(--idn-leading-snug);
}
.idn-modal-subtitle {
  font-size: var(--idn-text-sm);
  color: var(--idn-text-muted);
  margin: 2px 0 0;
}
.idn-modal-close {
  background: transparent; border: none;
  color: var(--idn-text-muted);
  cursor: pointer;
  padding: 6px;
  margin: -6px;
  border-radius: var(--idn-radius-sm);
  display: inline-flex;
}
.idn-modal-close:hover { background: var(--idn-surface-alt); color: var(--idn-text); }
.idn-modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}
.idn-modal-section-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  padding-left: 10px;
  border-left: 3px solid var(--idn-brand);
  font-weight: 600;
  font-size: var(--idn-text-sm);
  color: var(--idn-text-strong);
}
.idn-modal-section-head .idn-helper-icon {
  width: 14px; height: 14px;
  color: var(--idn-text-subtle);
}
.idn-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 24px;
  border-top: 1px solid var(--idn-border);
  background: var(--idn-surface-alt);
}
.idn-modal-footer--between { justify-content: space-between; }
.idn-modal-footer-total {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.idn-modal-footer-total-label { font-size: var(--idn-text-xs); color: var(--idn-text-muted); }
.idn-modal-footer-total-value { font-size: var(--idn-text-lg); font-weight: 700; color: var(--idn-text-strong); font-variant-numeric: tabular-nums; }

/* ----- DATATABLE ----- */
.idn-table-wrap {
  background: var(--idn-surface);
  border: 1px solid var(--idn-border);
  border-radius: var(--idn-radius-lg);
  overflow: hidden;
}
.idn-table-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--idn-border);
  background: var(--idn-surface);
}
.idn-table-toolbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: var(--idn-text-sm);
  color: var(--idn-text-muted);
}
.idn-table-toolbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.idn-table-scroll { overflow-x: auto; }
.idn-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--idn-text-sm);
}
.idn-table thead th {
  text-align: left;
  font-weight: 600;
  font-size: var(--idn-text-xs);
  text-transform: uppercase;
  letter-spacing: var(--idn-tracking-wide);
  color: var(--idn-text-muted);
  padding: 12px 20px;
  background: var(--idn-bg-soft);
  border-bottom: 1px solid var(--idn-border);
  white-space: nowrap;
  position: sticky;
  top: 0;
}
.idn-table thead th.is-sortable { cursor: pointer; user-select: none; }
.idn-table thead th .idn-th-content {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.idn-table thead th .idn-sort-icons {
  display: inline-flex;
  flex-direction: column;
  color: var(--idn-text-subtle);
  line-height: 0.6;
  font-size: 8px;
}
.idn-table thead th.is-sort-asc .idn-sort-up,
.idn-table thead th.is-sort-desc .idn-sort-down { color: var(--idn-brand); }
.idn-table tbody tr {
  transition: background var(--idn-dur-fast);
}
.idn-table tbody tr:hover { background: var(--idn-bg-soft); }
.idn-table tbody td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--idn-border);
  color: var(--idn-text);
  vertical-align: middle;
}
.idn-table tbody tr:last-child td { border-bottom: none; }
.idn-table .idn-td-strong { color: var(--idn-text-strong); font-weight: 600; }
.idn-table .idn-td-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}
.idn-table--striped tbody tr:nth-child(even) { background: var(--idn-surface-alt); }
.idn-table--compact tbody td { padding: 8px 20px; }

.idn-table-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-top: 1px solid var(--idn-border);
  background: var(--idn-surface);
  flex-wrap: wrap;
  gap: 12px;
}
.idn-table-footer-info {
  font-size: var(--idn-text-sm);
  color: var(--idn-text-muted);
}

/* ----- EMPTY STATE ----- */
.idn-empty {
  text-align: center;
  padding: 64px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.idn-empty-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--idn-brand-soft);
  color: var(--idn-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}
.idn-empty-icon .idn-icon { width: 28px; height: 28px; }
.idn-empty-title {
  font-size: var(--idn-text-lg);
  font-weight: 600;
  color: var(--idn-text-strong);
  margin: 0;
}
.idn-empty-message {
  font-size: var(--idn-text-sm);
  color: var(--idn-text-muted);
  max-width: 420px;
  margin: 0;
}
.idn-empty-actions {
  margin-top: 10px;
  display: flex;
  gap: 10px;
}

/* ----- HERO / PAGE HEADER ----- */
.idn-page-header {
  background: linear-gradient(135deg, var(--idn-bg-soft), var(--idn-bg-muted));
  border-radius: var(--idn-radius-xl);
  padding: 28px 32px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.idn-page-header-text { flex: 1; min-width: 280px; }
.idn-page-header-stat {
  background: var(--idn-surface);
  border-radius: var(--idn-radius-lg);
  padding: 16px 24px;
  text-align: center;
  min-width: 160px;
  box-shadow: var(--idn-shadow-sm);
}
.idn-page-header-stat-value {
  font-size: var(--idn-text-4xl);
  font-weight: 700;
  color: var(--idn-brand);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.idn-page-header-stat-label {
  font-size: var(--idn-text-2xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--idn-tracking-wide);
  color: var(--idn-text-muted);
  margin-top: 6px;
}

/* ----- SECTION HEAD (with brand accent bar) ----- */
.idn-section-head {
  display: flex;
  align-items: center;
  gap: 10px;
}
.idn-section-head::before {
  content: "";
  width: 3px;
  height: 18px;
  background: var(--idn-brand);
  border-radius: 2px;
}