/* ===================================
   SIMPLE MODE - ADD EXPENSE
   =================================== */

/* Note: New FAB styles moved to styles-platform.css for better organization */
/* Old FAB button styles are deprecated in favor of expandable FAB */

/* Expense Form */
.expense-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  max-height: 200px;
  overflow-y: auto;
}

.checkbox-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs);
  cursor: pointer;
  transition: background 0.2s ease;
}

.checkbox-option:hover {
  background: rgba(var(--primary-rgb), 0.1);
  border-radius: var(--radius-sm);
}

.checkbox-option input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.checkbox-option label {
  cursor: pointer;
  flex: 1;
  font-weight: 500;
  color: var(--text-primary);
}

/* Expense Cards - Collapsible Design v4.0 */
.expense-card-compact {
  background: #1e2532;
  border: 2px solid #2d3548;
  border-radius: 12px;
  padding: 0;
  margin-bottom: 0.65rem;
  transition: all 0.25s ease;
  border-left: 4px solid var(--primary);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.expense-card-compact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.expense-card-compact:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.2);
}

.expense-card-compact.expanded {
  border-left-width: 4px;
}

/* Expense Header (Always visible, clickable) */
.expense-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1rem;
  cursor: pointer;
  gap: 1rem;
  position: relative;
  z-index: 1;
}

.expense-header:hover {
  background: rgba(255, 255, 255, 0.02);
}

.expense-header-left {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.expense-header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.expense-title-compact {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.expense-date-compact {
  font-size: 0.7rem;
  color: #9ca3af;
  font-weight: 500;
}

.expand-icon {
  font-size: 0.7rem;
  color: var(--primary);
  transition: transform 0.2s ease;
}

/* Expense Details (Collapsible) */
.expense-details {
  padding: 0 1rem 0.85rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    max-height: 0;
  }
  to {
    opacity: 1;
    max-height: 500px;
  }
}

.expense-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  position: relative;
  z-index: 1;
}

.expense-info {
  flex: 1;
  min-width: 0;
}

.expense-title {
  margin: 0 0 0.625rem 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.expense-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 0;
  margin-top: 0.5rem;
}

.meta-item {
  font-size: 0.8rem;
  color: #9ca3af;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-weight: 500;
}

.expense-notes {
  margin: 0.5rem 0 0 0;
  font-size: 0.8rem;
  color: #b0b7c3;
  font-style: italic;
  line-height: 1.5;
  padding: 0.4rem 0.6rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 6px;
  border-left: 3px solid rgba(var(--primary-rgb), 0.3);
}

.expense-amount-large {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
  white-space: nowrap;
  min-width: fit-content;
  text-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.3);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.expense-amount-negative {
  font-size: 1.1rem;
  font-weight: 800;
  color: #10b981;
  white-space: nowrap;
  min-width: fit-content;
  text-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.currency-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: #9ca3af;
  background: rgba(156, 163, 175, 0.1);
  padding: 0.2rem 0.4rem;
  border-radius: 5px;
  letter-spacing: 0.05em;
}

.expense-badge {
  display: inline-block;
  padding: 0.1rem 0.4rem;
  font-size: 0.65rem;
  font-weight: 600;
  border-radius: 10px;
  margin-left: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-payment {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Expense Interactions */
.expense-interactions {
  display: flex;
  gap: 0.4rem;
  padding-top: 0.5rem;
  margin-top: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.interaction-btn {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #9ca3af;
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

.interaction-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

.interaction-btn.active {
  background: rgba(var(--primary-rgb), 0.15);
  border-color: var(--primary);
  color: var(--primary);
}

.interaction-btn.btn-delete {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.interaction-btn.btn-delete:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: #ef4444;
  transform: translateY(-1px);
}

/* Expense Alert */
.expense-alert {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem;
  margin-top: 0.75rem;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 6px;
  font-size: 0.85rem;
  color: #fbbf24;
}

.expense-alert .alert-icon {
  font-size: 1.25rem;
}

.expense-alert .btn-link {
  margin-left: auto;
  background: none;
  border: none;
  color: #fbbf24;
  text-decoration: underline;
  cursor: pointer;
  font-weight: 600;
  padding: 0;
  font-size: 0.85rem;
}

.expense-alert .btn-link:hover {
  color: #f59e0b;
}

/* Comments */
.comments-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.comment-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 0.875rem;
}

.comment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.comment-author {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.9rem;
}

.comment-date {
  font-size: 0.75rem;
  color: #6b7280;
}

.comment-text {
  color: #e5e7eb;
  line-height: 1.6;
  font-size: 0.9rem;
}

.comment-form {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Balance Cards */
.balance-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.balance-card.owes {
  border-left: 4px solid var(--error);
}

.balance-card.owed {
  border-left: 4px solid var(--success);
}

.balance-card.settled {
  border-left: 4px solid var(--text-muted);
  opacity: 0.7;
}

/* Expense Search Filters */
.expense-search-section {
  margin-bottom: 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 1.25rem;
}

.search-filters {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.search-input-wrapper {
  flex: 1;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: #111827;
  border: 1px solid #374151;
  border-radius: 8px;
  color: #ffffff;
  font-size: 0.938rem;
  transition: all 0.2s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.search-input::placeholder {
  color: #6b7280;
}

.date-filters-row {
  display: flex;
  gap: 0.75rem;
  align-items: flex-end;
}

.date-filter-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.filter-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.date-filter-input {
  padding: 0.6rem 0.75rem;
  background: #111827;
  border: 1px solid #374151;
  border-radius: 6px;
  color: #ffffff;
  font-size: 0.875rem;
  transition: all 0.2s ease;
  font-family: inherit;
}

.date-filter-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(var(--primary-rgb), 0.1);
}

.date-filter-input::-webkit-calendar-picker-indicator {
  filter: invert(1);
  cursor: pointer;
}

.btn-clear-filters {
  padding: 0.6rem 1rem;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 6px;
  color: #ef4444;
  font-size: 1.125rem;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
  font-weight: 600;
}

.btn-clear-filters:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: #ef4444;
  transform: scale(1.05);
}

.no-results-message {
  padding: 2rem 1rem;
  text-align: center;
}

.no-results-message .empty-state {
  background: transparent;
  border: none;
}

@media (max-width: 768px) {
  .expense-search-section {
    padding: 1rem;
    margin-bottom: 1rem;
  }
  
  .date-filters-row {
    flex-wrap: wrap;
  }
  
  .date-filter-group {
    flex: 1 1 calc(50% - 0.375rem);
    min-width: 120px;
  }
  
  .btn-clear-filters {
    flex: 1 1 100%;
    margin-top: 0.25rem;
  }
}

.balance-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.balance-parties {
  font-size: 1rem;
  color: var(--text-primary);
}

.balance-amount {
  font-size: 1.3rem;
  font-weight: 700;
}

.balance-amount.owes {
  color: var(--error);
}

.balance-amount.owed {
  color: var(--success);
}

.balance-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

/* ===================================
   SIMPLE MODE - INVITE UI
   =================================== */

.invite-method-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.invite-method-card h4 {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.invite-link-container {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.invite-link-container input {
  flex: 1;
}

.invite-link-container .btn {
  white-space: nowrap;
}

/* ===================================
   SIMPLE MODE - MEMBER MANAGEMENT
   =================================== */

.member-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.member-card:hover {
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.member-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 1;
}

.member-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  flex-shrink: 0;
}

.member-details {
  flex: 1;
}

.member-details h4 {
  margin: 0 0 var(--spacing-xs) 0;
  color: var(--text-primary);
  font-size: 1.1rem;
}

.member-email {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.member-meta {
  margin: var(--spacing-xs) 0 0 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.member-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.btn-small {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
  .fab-btn {
    bottom: 1rem;
    right: 1rem;
    width: auto;
    height: 50px;
    padding: 0 1.25rem;
    z-index: 999; /* Below modals but above content */
  }
  
  .fab-text {
    display: inline;
    font-size: 0.9rem;
  }
  
  .fab-icon {
    font-size: 1.3rem;
  }
  
  /* Compact expense cards for mobile */
  .expense-card-compact {
    margin-bottom: 0.5rem;
    border-left-width: 3px;
  }
  
  .expense-header {
    padding: 0.7rem 0.85rem;
    gap: 0.75rem;
  }
  
  .expense-title-compact {
    font-size: 0.88rem;
  }
  
  .expense-date-compact {
    font-size: 0.65rem;
  }
  
  .expense-amount-large,
  .expense-amount-negative {
    font-size: 0.95rem;
  }
  
  .currency-label {
    font-size: 0.65rem;
    padding: 0.15rem 0.35rem;
  }
  
  .expand-icon {
    font-size: 0.65rem;
  }
  
  .expense-details {
    padding: 0 0.85rem 0.7rem 0.85rem;
  }
  
  .expense-main {
    gap: 0.85rem;
  }
  
  .expense-title {
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
  }
  
  .expense-meta {
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-top: 0.4rem;
  }
  
  .meta-item {
    font-size: 0.7rem;
  }
  
  .expense-notes {
    font-size: 0.75rem;
    padding: 0.35rem 0.5rem;
    margin-top: 0.4rem;
  }
  
  .expense-interactions {
    gap: 0.3rem;
    padding-top: 0.4rem;
    margin-top: 0.4rem;
  }
  
  .interaction-btn {
    padding: 0.35rem 0.45rem;
    font-size: 0.7rem;
  }
  
  .expense-badge {
    font-size: 0.6rem;
    padding: 0.08rem 0.35rem;
  }
  
  /* Ensure FAB doesn't overlap last expense */
  #historyList {
    padding-bottom: 80px; /* Space for FAB button */
  }
  
  .invite-link-container {
    flex-direction: column;
  }
  
  .invite-link-container .btn {
    width: 100%;
  }
}

/* ===================================
   CLEAN PROFESSIONAL EXPENSE FORM
   =================================== */

/* Modal Overrides */
#addExpenseModal .modal-content {
  max-width: 580px !important;
  width: 90%;
  background: #1a1f2e;
}

#addExpenseModal .modal-body {
  padding: 0;
  overflow-x: hidden;
}

/* Form Container */
.expense-form-clean {
  display: flex;
  flex-direction: column;
}

/* Form Header */
.form-header-clean {
  padding: 1.75rem 2rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.form-header-clean h3 {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: -0.01em;
}

/* Form Grid Layout */
.form-grid {
  padding: 1.75rem 2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  background: #1a1f2e;
  max-width: 100%;
  overflow-x: hidden;
}

/* Form Fields */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
}

/* Form Labels - Clean Style */
.form-label {
  display: block;
  font-size: 0.813rem;
  font-weight: 600;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

/* Form Inputs - Professional Style */
.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid #374151;
  border-radius: 8px;
  font-size: 0.938rem;
  font-family: inherit;
  transition: all 0.2s ease;
  background: #111827;
  color: #ffffff;
}

.form-input:hover {
  border-color: #4b5563;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  background: #1a202c;
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.form-input::placeholder {
  color: #6b7280;
}

/* Select Dropdown */
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-position: right 0.75rem center;
  background-repeat: no-repeat;
  background-size: 1.25rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* Textarea */
.form-textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

.input-amount {
  font-weight: 600;
  font-size: 1.1rem;
  text-align: right;
}

/* Select Dropdown */
.select-modern {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%23666' d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 12px;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* Textarea */
.textarea-modern {
  resize: vertical;
  min-height: 60px;
  font-family: inherit;
}

/* Amount Input Wrapper */
.amount-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.currency-symbol {
  position: absolute;
  left: 1rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: #9ca3af;
  pointer-events: none;
}

.amount-input {
  padding-left: 2.5rem;
  font-weight: 600;
  text-align: left;
}

/* Split Members List - Professional Minimal Design */
.split-members-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  padding: 0;
  background: transparent;
  border: none;
  max-height: 200px;
  overflow-y: auto;
}

/* Member Item */
.split-members-list .checkbox-option {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem 1rem;
  background: #111827;
  border: 1px solid #374151;
  border-radius: 8px;
  transition: all 0.15s ease;
  cursor: pointer;
  position: relative;
}

.split-members-list .checkbox-option:hover {
  border-color: #4b5563;
  background: #1a202c;
}

/* Hidden Checkbox */
.split-members-list .checkbox-option input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  cursor: pointer;
  z-index: 2;
  margin: 0;
}

/* Selected State */
.split-members-list .checkbox-option:has(input[type="checkbox"]:checked) {
  background: rgba(var(--primary-rgb), 0.1);
  border-color: var(--primary);
}

/* Checkbox Indicator */
.split-members-list .checkbox-option::before {
  content: '';
  width: 20px;
  height: 20px;
  min-width: 20px;
  border: 2px solid #4b5563;
  border-radius: 4px;
  transition: all 0.15s ease;
  background: #111827;
}

.split-members-list .checkbox-option:has(input[type="checkbox"]:checked)::before {
  background: var(--primary);
  border-color: var(--primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 14px;
}

/* Label */
.split-members-list .checkbox-option label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  pointer-events: none;
  margin: 0;
}

/* Avatar */
.member-avatar {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4b5563 0%, #374151 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
  border: 2px solid #4b5563;
  transition: all 0.15s ease;
}

.split-members-list .checkbox-option:has(input[type="checkbox"]:checked) .member-avatar {
  background: linear-gradient(135deg, var(--primary) 0%, rgba(var(--primary-rgb), 0.8) 100%);
  border-color: var(--primary);
}

/* Member Name */
.member-name {
  flex: 1;
  font-size: 0.938rem;
  color: #e5e7eb;
  font-weight: 500;
}

/* Field Hint */
.field-hint {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.813rem;
  color: #6b7280;
  font-style: normal;
}

/* Form Hint */
.form-hint {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-style: italic;
}

/* Input with Prefix */
.input-with-prefix {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix {
  position: absolute;
  left: 1rem;
  font-weight: 700;
  color: var(--text-secondary);
  font-size: 1.1rem;
  pointer-events: none;
}

.input-with-prefix .input-modern {
  padding-left: 2.5rem;
}

/* Action Card - Prominent Add Expense Button */
.action-card {
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.15) 0%, rgba(var(--primary-rgb), 0.05) 100%);
  border: 2px solid var(--primary);
  border-radius: 12px;
  padding: 1.75rem 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.2);
}

.action-card-content {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.action-card-icon {
  font-size: 3rem;
  line-height: 1;
  flex-shrink: 0;
}

.action-card-text {
  flex: 1;
  min-width: 200px;
}

.action-card-text h4 {
  margin: 0 0 0.5rem 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.action-card-text p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: 10px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
  transition: all 0.2s ease;
}

.btn-large:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.4);
}

.btn-large:active {
  transform: translateY(0);
}

/* Button Styling in Modal */
#addExpenseModal .modal-footer {
  padding: 1.25rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #111827;
}

#addExpenseModal .btn {
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.2s ease;
}

/* Responsive Design */
@media (max-width: 768px) {
  #addExpenseModal .modal-content {
    width: 96%;
    max-width: 100%;
    margin: 0.5rem;
  }
  
  .form-header-clean {
    padding: 1rem 1rem 0.75rem;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
    padding: 1rem;
    gap: 1rem;
  }
  
  .form-group-clean label {
    font-size: 0.85rem;
  }
  
  .input-clean,
  .select-clean,
  .textarea-clean {
    font-size: 0.9rem;
    padding: 0.65rem 0.85rem;
  }
  
  #addExpenseModal .modal-footer {
    padding: 1rem;
    gap: 0.5rem;
  }
  
  .form-header-clean h3 {
    font-size: 1.15rem;
  }

  .action-card {
    padding: 1rem 1.25rem;
  }

  .action-card-content {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }

  .action-card-icon {
    font-size: 2.25rem;
  }
  
  .action-card h4 {
    font-size: 1rem;
  }
  
  .action-card p {
    font-size: 0.8rem;
  }
  }

  .btn-large {
    width: 100%;
    padding: 0.875rem 1.5rem;
  }

  .expense-card-compact {
    padding: 0.875rem 1rem;
  }

  .expense-main {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .expense-amount-large {
    font-size: 1.25rem;
    align-self: flex-end;
  }

  .expense-meta {
    gap: 0.75rem;
  }

/* ============================================ */
/* BALANCE DASHBOARD SIMPLE MODE */
/* ============================================ */

.balance-dashboard-simple {
  margin-bottom: 2rem;
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.2);
  border-color: var(--primary);
}

.stat-icon {
  font-size: 2.5rem;
  line-height: 1;
}

.stat-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #9ca3af;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.stat-expenses .stat-value {
  color: #ef4444;
}

.stat-per-person .stat-value {
  color: var(--primary);
}

.stat-members .stat-value {
  color: #10b981;
}

/* Balance Chart */
.balance-chart-container {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.chart-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 1.5rem 0;
}

.chart-bars {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chart-bar-item {
  display: grid;
  grid-template-columns: 80px 1fr 100px;
  align-items: center;
  gap: 1rem;
}

.chart-bar-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: #e5e7eb;
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chart-bar-container {
  background: rgba(0,0,0,0.3);
  border-radius: 8px;
  height: 32px;
  overflow: hidden;
  position: relative;
}

.chart-bar {
  height: 100%;
  border-radius: 8px;
  transition: width 0.5s ease;
  position: relative;
}

.chart-bar.positive {
  background: linear-gradient(90deg, #10b981 0%, #059669 100%);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.4);
}

.chart-bar.negative {
  background: linear-gradient(90deg, #ef4444 0%, #dc2626 100%);
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.4);
}

.chart-bar.neutral {
  background: linear-gradient(90deg, #6b7280 0%, #4b5563 100%);
}

.chart-bar-value {
  font-size: 0.875rem;
  font-weight: 700;
  text-align: right;
  color: #9ca3af;
}

.chart-bar-value.positive {
  color: #10b981;
}

.chart-bar-value.negative {
  color: #ef4444;
}

.chart-empty {
  text-align: center;
  padding: 2rem;
  color: #6b7280;
  font-style: italic;
}

/* Balance Section Titles */
.balance-section-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 1.5rem 0 1rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.balance-section-title.balance-owes {
  color: #ef4444;
}

.balance-section-title.balance-owed {
  color: #10b981;
}

/* Balance Cards Simple */
.balance-card-simple {
  background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.balance-card-simple:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.3);
}

.balance-card-simple.owes {
  border-left: 4px solid #ef4444;
}

.balance-card-simple.owed {
  border-left: 4px solid #10b981;
}

.balance-card-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.balance-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.balance-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, #5a67d8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
}

.balance-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.balance-name {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
}

.balance-description {
  font-size: 0.8rem;
  color: #9ca3af;
}

.balance-amount-display {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.balance-amount-display.owes {
  color: #ef4444;
}

.balance-amount-display.owed {
  color: #10b981;
}

.btn-record-payment {
  width: 100%;
  justify-content: center;
}

/* Info Box Simple */
.info-box-simple {
  background: rgba(102, 126, 234, 0.1);
  border: 1px solid rgba(102, 126, 234, 0.3);
  border-radius: 12px;
  padding: 1.25rem;
  margin-top: 2rem;
}

.info-box-simple h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 0.875rem 0;
}

.info-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.info-list li {
  font-size: 0.875rem;
  color: #e5e7eb;
  line-height: 1.6;
  padding-left: 0.5rem;
}

.info-list li strong {
  color: var(--primary-light);
  font-weight: 600;
}

@media (max-width: 768px) {
  .dashboard-stats {
    grid-template-columns: 1fr;
  }

  .chart-bar-item {
    grid-template-columns: 60px 1fr 80px;
    gap: 0.5rem;
  }

  .chart-bar-label {
    font-size: 0.75rem;
  }

  .balance-card-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .balance-amount-display {
    font-size: 1.5rem;
  }
}

/* ============================================ */
/* TIMELINE SECTION */
/* ============================================ */

.timeline-filter-section {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(168, 85, 247, 0.05) 100%);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.filter-header h4 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 600;
}

.toggle-timeline-btn {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  color: var(--primary-light);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toggle-timeline-btn:hover {
  background: rgba(99, 102, 241, 0.2);
  border-color: rgba(99, 102, 241, 0.5);
  transform: translateY(-1px);
}

.timeline-content {
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.date-range-selector {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.date-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.date-input-group label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.date-input {
  padding: 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.date-input:focus {
  outline: none;
  border-color: var(--primary-light);
  background: rgba(255, 255, 255, 0.08);
}

.btn-reset-dates {
  padding: 0.6rem 1.2rem;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  color: #f87171;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-reset-dates:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.5);
  transform: translateY(-1px);
}

.expense-timeline {
  max-height: 500px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.expense-timeline::-webkit-scrollbar {
  width: 6px;
}

.expense-timeline::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
}

.expense-timeline::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.3);
  border-radius: 3px;
}

.expense-timeline::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.5);
}

.timeline-item {
  position: relative;
  padding-left: 2rem;
  padding-bottom: 1.5rem;
  border-left: 2px solid rgba(99, 102, 241, 0.3);
}

.timeline-item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -6px;
  top: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary-light);
  border: 2px solid var(--bg-primary);
}

.timeline-date {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.timeline-expense-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 1rem;
  transition: all 0.3s ease;
}

.timeline-expense-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateX(4px);
}

.timeline-expense-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.timeline-expense-desc {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 600;
}

.timeline-expense-amount {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-light);
}

.timeline-expense-amount.negative {
  color: #34d399;
}

.timeline-expense-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.timeline-expense-meta span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.timeline-empty {
  text-align: center;
  padding: 2rem;
  color: var(--text-secondary);
}

.timeline-empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .date-range-selector {
    flex-direction: column;
    align-items: stretch;
  }

  .timeline-item {
    padding-left: 1.5rem;
  }

  .timeline-expense-header {
    flex-direction: column;
    gap: 0.5rem;
  }

  .timeline-expense-meta {
    flex-direction: column;
    gap: 0.3rem;
  }
}

/* ============================================ */
/* ADDITIONAL MOBILE OPTIMIZATIONS */
/* ============================================ */

@media (max-width: 480px) {
  /* Dashboard stats - more compact */
  .dashboard-stats {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  
  .stat-card {
    padding: 0.75rem;
  }
  
  .stat-icon {
    font-size: 1.5rem;
  }
  
  .stat-label {
    font-size: 0.7rem;
  }
  
  .stat-value {
    font-size: 0.95rem;
  }
  
  /* Action card more compact */
  .action-card {
    padding: 0.85rem;
    margin-bottom: 0.85rem;
  }
  
  .action-card-content {
    gap: 0.75rem;
  }
  
  .action-card-icon {
    font-size: 2rem;
  }
  
  .action-card-text h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
  }
  
  .action-card-text p {
    font-size: 0.8rem;
  }
  
  .action-card .btn {
    padding: 0.65rem 1.25rem;
    font-size: 0.85rem;
    white-space: nowrap;
  }
  
  /* Balance cards */
  .balance-card-simple {
    padding: 0.75rem;
  }
  
  .balance-section-title {
    font-size: 0.95rem;
    padding: 0.5rem 0;
  }
  
  .balance-avatar {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }
  
  .balance-name {
    font-size: 0.9rem;
  }
  
  .balance-description {
    font-size: 0.7rem;
  }
  
  .balance-amount-display {
    font-size: 1.05rem;
  }
  
  /* Tabs */
  .tab-btn {
    padding: 0.65rem 0.75rem;
    font-size: 0.8rem;
  }
  
  .tab-icon {
    font-size: 1rem;
  }
  
  /* Buttons */
  .btn-record-payment {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
  }
  
  /* Timeline optimizations */
  .timeline-filter-section {
    padding: 0.85rem;
  }
  
  .filter-header h4 {
    font-size: 0.9rem;
  }
  
  .toggle-timeline-btn {
    padding: 0.4rem 0.65rem;
    font-size: 0.75rem;
  }
  
  .timeline-expense-card {
    padding: 0.75rem;
    margin-bottom: 0.65rem;
  }
  
  .timeline-expense-desc {
    font-size: 0.85rem;
  }
  
  .timeline-expense-amount {
    font-size: 0.95rem;
  }
  
  .timeline-expense-meta {
    font-size: 0.7rem;
  }
  
  /* Chart optimizations */
  .chart-title {
    font-size: 0.95rem;
  }
  
  .chart-bar-label {
    font-size: 0.7rem;
  }
  
  .chart-bar-value {
    font-size: 0.75rem;
  }
  
  /* Modals */
  .modal-content {
    width: 96% !important;
    max-width: 100% !important;
    margin: 0.5rem !important;
    max-height: calc(100vh - 1rem) !important;
  }
  
  .modal-header h3 {
    font-size: 1.05rem;
  }
  
  .close-btn {
    font-size: 1.75rem;
    width: 32px;
    height: 32px;
  }
}

/* ============================================ */
/* SMART SETTLEMENTS */
/* ============================================ */

.smart-settlements-section {
  margin: 2rem 0;
}

.btn-smart-settle {
  width: 100%;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  border: none;
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-smart-settle:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-smart-settle .btn-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.btn-smart-settle .btn-content {
  flex: 1;
  text-align: left;
}

.btn-smart-settle .btn-title {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.25rem;
}

.btn-smart-settle .btn-subtitle {
  display: block;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
}

/* Smart Settlements Modal */
.smart-settlements-modal {
  max-width: 700px;
}

.settlements-intro {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.settlements-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.settlements-stats {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.stat-badge {
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 8px;
  padding: 0.75rem 1.25rem;
  text-align: center;
}

.stat-badge .stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.25rem;
}

.stat-badge .stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Settlements List */
.settlements-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.settlement-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.settlement-item:hover {
  border-color: rgba(99, 102, 241, 0.4);
  background: rgba(99, 102, 241, 0.05);
}

.settlement-item.settlement-completed {
  animation: settlementComplete 0.6s ease;
}

@keyframes settlementComplete {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
    background: rgba(16, 185, 129, 0.2);
    border-color: rgba(16, 185, 129, 0.6);
  }
  100% {
    transform: scale(1);
  }
}

.settlement-arrow {
  font-size: 1.5rem;
  color: var(--primary-light);
  flex-shrink: 0;
}

.settlement-content {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.settlement-from,
.settlement-to {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 120px;
}

.settlement-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.settlement-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.settlement-details {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0 1rem;
  flex: 1;
  min-width: 100px;
}

.settlement-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.settlement-amount {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-shadow: 0 2px 4px rgba(var(--primary-rgb), 0.2);
}

/* ============================================
   LIGHT MODE SUPPORT FOR EXPENSES
   ============================================ */

[data-theme="light"] .expense-card-compact {
  background: #ffffff;
  border-color: #e5e7eb;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .expense-card-compact::before {
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.03) 0%, transparent 50%);
}

[data-theme="light"] .expense-card-compact:hover {
  box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.15);
  border-color: var(--primary);
}

[data-theme="light"] .expense-header:hover {
  background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] .expense-title-compact {
  color: #1f2937;
}

[data-theme="light"] .expense-date-compact {
  color: #6b7280;
}

[data-theme="light"] .expense-title {
  color: #1f2937;
}

[data-theme="light"] .meta-item {
  color: #6b7280;
}

[data-theme="light"] .expense-notes {
  color: #4b5563;
  background: rgba(0, 0, 0, 0.03);
  border-left-color: rgba(var(--primary-rgb), 0.4);
}

[data-theme="light"] .expense-amount-large {
  color: var(--primary);
  text-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.2);
}

[data-theme="light"] .expense-amount-negative {
  color: #059669;
  text-shadow: 0 2px 8px rgba(5, 150, 105, 0.2);
}

[data-theme="light"] .currency-label {
  color: #6b7280;
  background: rgba(107, 114, 128, 0.1);
}

[data-theme="light"] .expense-details {
  border-top-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .expense-interactions {
  border-top-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .interaction-btn {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.1);
  color: #6b7280;
}

[data-theme="light"] .interaction-btn:hover {
  background: rgba(0, 0, 0, 0.05);
  border-color: var(--primary);
  color: var(--primary);
}

[data-theme="light"] .interaction-btn.active {
  background: rgba(var(--primary-rgb), 0.1);
  border-color: var(--primary);
  color: var(--primary);
}

[data-theme="light"] .interaction-btn.btn-delete {
  background: rgba(239, 68, 68, 0.05);
  border-color: rgba(239, 68, 68, 0.2);
  color: #dc2626;
}

[data-theme="light"] .interaction-btn.btn-delete:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: #dc2626;
}

[data-theme="light"] .expense-alert {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.3);
  color: #d97706;
}

[data-theme="light"] .expense-alert .btn-link {
  color: #d97706;
}

[data-theme="light"] .expense-alert .btn-link:hover {
  color: #b45309;
}

.settlement-mark-btn {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.settlement-mark-btn:hover {
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(16, 185, 129, 0.5);
  transform: scale(1.1);
}

.settlement-mark-btn .btn-icon {
  font-size: 1.25rem;
  color: #10b981;
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .btn-smart-settle {
    padding: 1rem;
  }
  
  .btn-smart-settle .btn-icon {
    font-size: 1.75rem;
  }
  
  .btn-smart-settle .btn-title {
    font-size: 1rem;
  }
  
  .btn-smart-settle .btn-subtitle {
    font-size: 0.8rem;
  }
  
  .settlements-stats {
    flex-direction: column;
  }
  
  .settlement-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  
  .settlement-from,
  .settlement-to {
    width: 100%;
  }
  
  .settlement-details {
    width: 100%;
    padding: 0.75rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .settlement-arrow {
    transform: rotate(90deg);
  }
}
/* ===================================
   LIGHT MODE SPECIFIC IMPROVEMENTS
   =================================== */

[data-theme="light"] .expense-card-compact {
  background: white;
  border-color: #cbd5e1;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .expense-card-compact::before {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.03) 0%, transparent 50%);
}

[data-theme="light"] .expense-card-compact:hover {
  border-color: #667eea;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.12);
}

[data-theme="light"] .expense-header:hover {
  background: rgba(102, 126, 234, 0.03);
}

[data-theme="light"] .expense-title-compact {
  color: #0f172a;
}

[data-theme="light"] .expense-date-compact {
  color: #64748b;
}

[data-theme="light"] .expense-details {
  border-top-color: #e2e8f0;
}

[data-theme="light"] .expense-title {
  color: #0f172a;
}

[data-theme="light"] .meta-item {
  color: #64748b;
}

[data-theme="light"] .expense-notes {
  background: rgba(102, 126, 234, 0.05);
  color: #475569;
  border-left-color: #667eea;
}

[data-theme="light"] .interaction-btn {
  background: #f8fafc;
  border-color: #cbd5e1;
  color: #64748b;
}

[data-theme="light"] .interaction-btn:hover {
  background: #eff6ff;
  border-color: #667eea;
  color: #667eea;
}

[data-theme="light"] .interaction-btn.active {
  background: rgba(102, 126, 234, 0.1);
  border-color: #667eea;
  color: #667eea;
}

[data-theme="light"] .comment-item {
  background: #f8fafc;
  border-color: #cbd5e1;
}

[data-theme="light"] .comment-text {
  color: #0f172a;
}

[data-theme="light"] .comment-date {
  color: #64748b;
}

[data-theme="light"] .balance-card {
  background: white;
  border-color: #cbd5e1;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .expense-search-section {
  background: white;
  border-color: #e2e8f0;
}

[data-theme="light"] .search-input,
[data-theme="light"] .date-filter-input {
  background: white;
  border-color: #cbd5e1;
  color: #0f172a;
}

[data-theme="light"] .search-input:focus,
[data-theme="light"] .date-filter-input:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

[data-theme="light"] .search-input::placeholder {
  color: #94a3b8;
}

[data-theme="light"] .filter-label {
  color: #64748b;
}

[data-theme="light"] .member-card {
  background: white;
  border-color: #cbd5e1;
}

[data-theme="light"] .member-card:hover {
  border-color: #667eea;
}

[data-theme="light"] .member-details h4 {
  color: #0f172a;
}

[data-theme="light"] .member-email {
  color: #64748b;
}

[data-theme="light"] .member-meta {
  color: #94a3b8;
}

[data-theme="light"] .invite-method-card {
  background: white;
  border-color: #cbd5e1;
}

[data-theme="light"] .invite-method-card h4 {
  color: #0f172a;
}
/* ===================================
   ADD EXPENSE MODAL - LIGHT MODE
   =================================== */

[data-theme="light"] #addExpenseModal .modal-content {
  background: white;
  border: 1px solid #e2e8f0;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] #addExpenseModal .modal-header {
  border-bottom-color: #e2e8f0;
}

[data-theme="light"] #addExpenseModal .modal-header h2 {
  color: #0f172a;
}

[data-theme="light"] #addExpenseModal .modal-body {
  background: white;
}

[data-theme="light"] .form-header-clean {
  border-bottom-color: #e2e8f0;
}

[data-theme="light"] .form-header-clean h3 {
  color: #0f172a;
}

[data-theme="light"] .form-grid {
  background: white;
}

[data-theme="light"] .form-label {
  color: #64748b;
}

[data-theme="light"] .form-input,
[data-theme="light"] .form-select,
[data-theme="light"] .form-textarea,
[data-theme="light"] .select-modern,
[data-theme="light"] .textarea-modern,
[data-theme="light"] .input-modern {
  background: white;
  border: 2px solid #e2e8f0;
  color: #0f172a;
}

[data-theme="light"] .form-input:hover,
[data-theme="light"] .form-select:hover,
[data-theme="light"] .select-modern:hover,
[data-theme="light"] .input-modern:hover {
  border-color: #cbd5e1;
}

[data-theme="light"] .form-input:focus,
[data-theme="light"] .form-select:focus,
[data-theme="light"] .textarea-modern:focus,
[data-theme="light"] .select-modern:focus,
[data-theme="light"] .input-modern:focus {
  border-color: #667eea;
  background: white;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

[data-theme="light"] .form-input::placeholder,
[data-theme="light"] .input-modern::placeholder,
[data-theme="light"] .textarea-modern::placeholder {
  color: #94a3b8;
}

[data-theme="light"] .amount-input-wrapper {
  background: white;
  border-color: #e2e8f0;
}

[data-theme="light"] .currency-symbol {
  color: #64748b;
  border-right-color: #e2e8f0;
}

[data-theme="light"] .amount-input {
  color: #0f172a;
}

[data-theme="light"] .split-members-list .checkbox-option {
  background: #f8fafc;
  border-color: #e2e8f0;
}

[data-theme="light"] .split-members-list .checkbox-option:hover {
  background: #eff6ff;
  border-color: #cbd5e1;
}

[data-theme="light"] .split-members-list .checkbox-option:has(input[type="checkbox"]:checked) {
  background: rgba(102, 126, 234, 0.1);
  border-color: #667eea;
}

[data-theme="light"] .split-members-list .checkbox-option label,
[data-theme="light"] .member-name {
  color: #0f172a;
}

[data-theme="light"] .field-hint,
[data-theme="light"] .form-hint {
  color: #64748b;
}

[data-theme="light"] #addExpenseModal .modal-footer {
  background: #f8fafc;
  border-top-color: #e2e8f0;
}

[data-theme="light"] .btn-scan-receipt {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

[data-theme="light"] .input-prefix {
  color: #64748b;
  border-right-color: #e2e8f0;
}

[data-theme="light"] .input-with-prefix {
  border-color: #e2e8f0;
}

[data-theme="light"] .input-with-prefix:focus-within {
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

[data-theme="light"] #scanningIndicator {
  background: rgba(102, 126, 234, 0.05) !important;
  border-left-color: #667eea !important;
}

[data-theme="light"] #scanningIndicator strong {
  color: #667eea !important;
}

[data-theme="light"] #scanningIndicator p {
  color: #64748b !important;
}