/* ============================================================
   INTERFACE GROUPING SYSTEM
   Minimal, organized visual grouping to prevent overwhelm
   ============================================================ */

/* == PRIMARY SECTION GROUPING == */
.dashboard-section {
  margin-bottom: 3rem;
  scroll-margin-top: 80px;
}

.section-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 2.2rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--sh-sm);
  transition: all 0.3s ease;
}

.section-group:hover {
  box-shadow: var(--sh-md);
  border-color: rgba(67, 97, 238, 0.2);
}

.section-group-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 1.8rem;
  padding-bottom: 1.2rem;
  border-bottom: 2px solid var(--accent);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.section-group-title i {
  color: var(--accent);
  font-size: 1.25rem;
}

.section-group-subtitle {
  font-size: 0.82rem;
  color: var(--muted);
  margin-left: auto;
  font-weight: 400;
  letter-spacing: 0.5px;
}

/* == MINI CARD GROUPS == */
.mini-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.8rem;
}

.mini-card {
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  text-align: center;
  transition: all 0.2s ease;
  cursor: default;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}

.mini-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--sh-sm);
  border-color: rgba(67, 97, 238, 0.15);
}

.mini-card-icon {
  font-size: 2rem;
  color: var(--accent);
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-l);
  border-radius: var(--r-md);
}

.mini-card-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
  line-height: 1.3;
}

.mini-card-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
}

.mini-card-sub {
  font-size: 0.75rem;
  color: var(--muted);
}

/* == COLLAPSIBLE GROUP SECTIONS == */
.collapsible-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  overflow: hidden;
  margin-bottom: 1.5rem;
  box-shadow: var(--sh-xs);
  transition: all 0.3s ease;
}

.collapsible-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  cursor: pointer;
  user-select: none;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
  transition: all 0.2s ease;
  border-bottom: 1px solid var(--border);
}

.collapsible-group.expanded .collapsible-header {
  background: linear-gradient(
    135deg,
    var(--accent-l) 0%,
    rgba(67, 97, 238, 0.05) 100%
  );
  border-bottom-color: var(--accent);
}

.collapsible-header:hover {
  background: linear-gradient(
    135deg,
    var(--surface-2) 0%,
    var(--surface-3) 100%
  );
}

.collapsible-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  color: var(--accent);
  font-size: 1rem;
  transition: transform 0.3s ease;
}

.collapsible-group.expanded .collapsible-icon {
  transform: rotate(180deg);
}

.collapsible-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.collapsible-count {
  background: var(--accent);
  color: white;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--r-full);
  margin-left: auto;
  min-width: 24px;
  text-align: center;
}

.collapsible-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.collapsible-group.expanded .collapsible-content {
  max-height: 2000px;
}

.collapsible-body {
  padding: 1.8rem;
  border-top: 1px solid var(--border);
}

/* == ACTION GROUP CONTAINER == */
.action-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  padding: 1.5rem;
  background: linear-gradient(
    135deg,
    rgba(67, 97, 238, 0.08),
    rgba(114, 9, 183, 0.05)
  );
  border-radius: var(--r-lg);
  border: 1px solid rgba(67, 97, 238, 0.15);
  margin-bottom: 1.8rem;
}

.action-group-label {
  display: block;
  width: 100%;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted);
  margin-bottom: 0.8rem;
}

.action-group .btn {
  flex: 1;
  min-width: 120px;
  min-height: 40px;
}

.action-group .btn-sm {
  flex: 0 1 auto;
  min-width: unset;
}

/* == FEATURE LIST GROUP == */
.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.feature-list-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.2rem;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
}

.feature-list-item:last-child {
  border-bottom: none;
}

.feature-list-item:hover {
  background: var(--bg);
}

.feature-list-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--accent-l);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 0.95rem;
}

.feature-list-content {
  flex: 1;
}

.feature-list-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  margin-bottom: 0.3rem;
}

.feature-list-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
}

.feature-list-action {
  flex-shrink: 0;
  display: flex;
  gap: 0.5rem;
}

/* == TAB-BASED GROUPING == */
.group-tabs {
  display: flex;
  gap: 0.7rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--border);
  flex-wrap: wrap;
}

.group-tab {
  padding: 1rem 1.5rem;
  border: none;
  background: transparent;
  border-bottom: 3px solid transparent;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: -2px;
}

.group-tab:hover {
  color: var(--accent);
}

.group-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.group-content {
  display: none;
}

.group-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* == EMPTY STATE GROUPING == */
.empty-group {
  text-align: center;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  border-radius: var(--r-lg);
  border: 2px dashed var(--border);
  color: var(--muted);
}

.empty-group-icon {
  font-size: 3rem;
  opacity: 0.4;
  margin-bottom: 1rem;
}

.empty-group-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--ink);
}

.empty-group-text {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.empty-group-action {
  display: inline-block;
}

/* == SIDEBAR GROUPING == */
.sidebar-group {
  padding: 0 0.8rem 1rem;
  margin-bottom: 0.5rem;
}

.sidebar-group-label {
  padding: 0.8rem 0.8rem 0.4rem;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  background: linear-gradient(90deg, var(--accent), transparent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* == GRID-BASED GROUPING == */
.group-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.grid-group-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  text-align: center;
  transition: all 0.2s ease;
}

.grid-group-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--sh-sm);
  border-color: rgba(67, 97, 238, 0.2);
}

.grid-group-item-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.grid-group-item-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.grid-group-item-text {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 1rem;
}

/* == RESPONSIVE GROUPING == */
@media (max-width: 768px) {
  .section-group {
    padding: 1.5rem;
    margin-bottom: 2rem;
  }

  .section-group-title {
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
  }

  .mini-group {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .group-grid {
    grid-template-columns: 1fr;
  }

  .action-group {
    flex-direction: column;
  }

  .action-group .btn {
    width: 100%;
  }

  .group-tabs {
    gap: 0.3rem;
  }

  .group-tab {
    padding: 0.8rem 1rem;
    font-size: 0.85rem;
  }

  .collapsible-header {
    padding: 1.2rem;
  }
}

@media (max-width: 480px) {
  .section-group {
    padding: 1.2rem;
    border-radius: var(--r-lg);
    margin-bottom: 1.5rem;
  }

  .section-group-title {
    font-size: 1rem;
    margin-bottom: 1.2rem;
    padding-bottom: 0.8rem;
  }

  .mini-card {
    padding: 1.2rem;
    gap: 0.6rem;
  }

  .mini-card-value {
    font-size: 1.5rem;
  }

  .feature-list-item {
    padding: 1rem;
    gap: 0.8rem;
  }

  .empty-group {
    padding: 2rem 1.5rem;
  }

  .collapsible-header {
    padding: 1rem;
  }
}

/* == DARK MODE ENHANCEMENTS == */
@media (prefers-color-scheme: dark) {
  .section-group {
    background: linear-gradient(
      135deg,
      var(--surface) 0%,
      var(--surface-2) 100%
    );
  }

  .mini-card {
    background: linear-gradient(
      135deg,
      var(--surface-2) 0%,
      rgba(67, 97, 238, 0.05) 100%
    );
  }

  .action-group {
    background: linear-gradient(
      135deg,
      rgba(67, 97, 238, 0.12),
      rgba(114, 9, 183, 0.08)
    );
    border-color: rgba(67, 97, 238, 0.25);
  }

  .collapsible-header {
    background: linear-gradient(
      135deg,
      var(--surface-2) 0%,
      var(--surface) 100%
    );
  }

  .collapsible-group.expanded .collapsible-header {
    background: linear-gradient(
      135deg,
      rgba(67, 97, 238, 0.15),
      rgba(114, 9, 183, 0.1)
    );
  }
}

/* == ANIMATION CLASSES == */
.fade-in {
  animation: fadeIn 0.3s ease;
}

.slide-in {
  animation: slideInUp 0.3s ease;
}

/* == PRINT STYLES == */
@media print {
  .section-group {
    page-break-inside: avoid;
    box-shadow: none;
  }

  .collapsible-group {
    border: 1px solid #ccc;
  }

  .collapsible-group .collapsible-content {
    max-height: unset;
  }

  .action-group {
    display: none;
  }
}