/* Modal/Dialog Styles - Black & White */

/* Modal Backdrop */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-backdrop.visible {
  opacity: 1;
  visibility: visible;
}

/* Modal Container */
.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-elevated);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
  display: flex;
  flex-direction: column;
}

.modal.visible {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

/* Modal Sizes */
.modal-sm { max-width: 400px; }
.modal-lg { max-width: 720px; }
.modal-xl { max-width: 960px; }

/* Modal Header */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--text-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 20px;
}

.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* Modal Body */
.modal-body {
  flex: 1;
  padding: var(--space-5);
  overflow-y: auto;
}

/* Modal Footer */
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border);
}

/* Transaction Form Modal */
.transaction-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Type Toggle in Modal */
.transaction-type-toggle {
  display: flex;
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  padding: var(--space-1);
  border: 1px solid var(--border);
}

.transaction-type-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  background: transparent;
  border: none;
  cursor: pointer;
}

.transaction-type-btn:hover {
  color: var(--text-primary);
}

.transaction-type-btn.active {
  background: var(--text-primary);
  color: var(--text-inverse);
}

/* Amount Input */
.amount-input-wrapper {
  position: relative;
}

.amount-input-wrapper .currency-symbol {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--text-secondary);
  pointer-events: none;
}

.amount-input-wrapper input {
  padding-left: var(--space-8);
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
}

/* Searchable Dropdown */
.searchable-dropdown {
  position: relative;
}

.dropdown-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast);
  cursor: pointer;
}

.dropdown-trigger:hover {
  border-color: var(--text-secondary);
}

.dropdown-trigger.open {
  border-color: var(--text-primary);
  box-shadow: 0 0 0 2px rgba(255,255,255,0.1);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  right: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  max-height: 280px;
  overflow: hidden;
  z-index: var(--z-dropdown);
  box-shadow: var(--shadow-elevated);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
}

.dropdown-trigger.open + .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-search {
  padding: var(--space-3);
  border-bottom: 1px solid var(--border);
}

.dropdown-search input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--text-sm);
}

.dropdown-options {
  max-height: 200px;
  overflow-y: auto;
}

.dropdown-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.dropdown-option:hover {
  background: var(--bg-hover);
}

.dropdown-option.selected {
  background: var(--bg-hover);
  border-left: 2px solid var(--text-primary);
}

.dropdown-option-icon {
  font-size: var(--text-xl);
}

.dropdown-option-info {
  flex: 1;
}

.dropdown-option-name {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.dropdown-option-type {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.dropdown-option-check {
  color: var(--text-primary);
  opacity: 0;
}

.dropdown-option.selected .dropdown-option-check {
  opacity: 1;
}

/* Custom Date Picker */
.date-picker {
  position: relative;
}

.date-picker-input {
  cursor: pointer;
}

.date-picker-calendar {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  z-index: var(--z-dropdown);
  box-shadow: var(--shadow-elevated);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
}

.date-picker.open .date-picker-calendar {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.calendar-nav {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  background: transparent;
  border: none;
  cursor: pointer;
}

.calendar-nav:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.calendar-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--text-primary);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-1);
}

.calendar-day-header {
  text-align: center;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  padding: var(--space-2);
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.calendar-day:hover:not(.disabled) {
  background: var(--bg-hover);
}

.calendar-day.other-month {
  color: var(--text-muted);
}

.calendar-day.today {
  border: 1px solid var(--text-primary);
}

.calendar-day.selected {
  background: var(--text-primary);
  color: var(--text-inverse);
}

.calendar-day.disabled {
  color: var(--text-muted);
  cursor: not-allowed;
}

/* Live Preview Card */
.transaction-preview {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-top: var(--space-4);
}

.transaction-preview-title {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.transaction-preview-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.preview-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.preview-info {
  flex: 1;
}

.preview-description {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.preview-category {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.preview-amount {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
}

.preview-amount.income {
  color: var(--text-primary);
}

.preview-amount.expense {
  color: var(--text-secondary);
}

/* Confirmation Modal */
.confirm-modal-body {
  text-align: center;
  padding: var(--space-6);
}

.confirm-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  background: var(--bg-elevated);
  border: 2px solid var(--text-primary);
}

.confirm-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.confirm-text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  max-width: 360px;
  margin: 0 auto;
}

/* Category Form Modal */
.color-picker {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: var(--space-2);
}

.color-swatch {
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform var(--transition-fast);
  border: 2px solid transparent;
}

.color-swatch:hover {
  transform: scale(1.1);
}

.color-swatch.selected {
  border-color: var(--text-primary);
  box-shadow: 0 0 0 2px var(--bg-secondary), 0 0 0 4px var(--text-primary);
}

.color-custom {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.color-custom input {
  flex: 1;
}

/* Icon Picker */
.icon-picker {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: var(--space-2);
  max-height: 200px;
  overflow-y: auto;
  padding: var(--space-2);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.icon-option {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-option:hover {
  background: var(--bg-hover);
}

.icon-option.selected {
  background: var(--text-primary);
  color: var(--text-inverse);
}

/* Slide-up Modal (Mobile) */
@media (max-width: 768px) {
  .modal {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    transform: translateY(100%);
    width: 100%;
    max-width: none;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    max-height: 85vh;
  }

  .modal.visible {
    transform: translateY(0);
  }

  .modal-handle {
    width: 40px;
    height: 4px;
    background: var(--border);
    border-radius: var(--radius-full);
    margin: var(--space-3) auto;
  }
}