/**
 * Main CSS entry point
 * Imports all CSS modules in the correct order
 */

/* Import CSS variables first */
@import 'modules/_variables.css';

/* Import base styles */
@import 'modules/_base.css';

/* Import layout components */
@import 'modules/_layout.css';

/* Import form components */
@import 'modules/_forms.css';

/* Import button components */
@import 'modules/_buttons.css';

/* Import modal components */
@import 'modules/_modal.css';

/* Import header components */
@import 'modules/_header.css';

/* Import task board components */
@import 'modules/_task-board.css';

/* Import board selector component */
@import 'modules/_board-selector.css';

/* Import loading states */
@import 'modules/_loading.css';

/* Import error toast components */
@import 'modules/_error-toast.css';

/* Import toast notification system */
@import 'modules/_toast.css';

/* Import keyboard navigation styles */
@import 'modules/_keyboard-nav.css';

/* Import settings styles */
@import 'modules/_settings.css';

/* Import utility classes last */
@import 'modules/_utilities.css';

/**
 * Legacy Bootstrap overrides and compatibility
 * These styles bridge the gap between our new design system
 * and existing Bootstrap classes in the HTML
 */

/* Bootstrap compatibility layer */
.bg-light {
  background-color: var(--color-surface) !important;
}

.bg-white {
  background-color: var(--color-surface-container-lowest) !important;
}

.text-dark {
  color: var(--color-on-surface) !important;
}

.text-muted {
  color: var(--color-on-surface-variant) !important;
}

.shadow-sm {
  box-shadow: var(--elevation-1) !important;
}

.border-top {
  border-top: 1px solid var(--color-outline-variant) !important;
}

.rounded-pill {
  border-radius: var(--radius-full) !important;
}

.py-4 {
  padding-top: var(--spacing-4) !important;
  padding-bottom: var(--spacing-4) !important;
}

.py-3 {
  padding-top: var(--spacing-3) !important;
  padding-bottom: var(--spacing-3) !important;
}

.py-2 {
  padding-top: var(--spacing-2) !important;
  padding-bottom: var(--spacing-2) !important;
}

.px-3 {
  padding-left: var(--spacing-3) !important;
  padding-right: var(--spacing-3) !important;
}

.px-4 {
  padding-left: var(--spacing-4) !important;
  padding-right: var(--spacing-4) !important;
}

.mt-4 {
  margin-top: var(--spacing-4) !important;
}

.mb-3 {
  margin-bottom: var(--spacing-3) !important;
}

.mb-4 {
  margin-bottom: var(--spacing-4) !important;
}

.mb-2 {
  margin-bottom: var(--spacing-2) !important;
}

.mb-md-0 {
  margin-bottom: 0 !important;
}

/* Additional Bootstrap compatibility */
.container-fluid {
  width: 100%;
  padding-left: var(--spacing-4);
  padding-right: var(--spacing-4);
  margin-left: auto;
  margin-right: auto;
}

.gap-2 {
  gap: var(--spacing-2) !important;
}

.gap-3 {
  gap: var(--spacing-3) !important;
}

.form-control {
  display: block;
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.5;
  color: var(--color-on-surface);
  background-color: var(--color-surface);
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-md);
  transition: var(--task-transition);
}

.form-control:focus {
  border-color: var(--color-primary-40);
  outline: 0;
  box-shadow: 0 0 0 2px rgba(var(--color-primary-40), 0.2);
}

.bg-white {
  background-color: var(--color-surface) !important;
}

.bg-light {
  background-color: var(--color-surface-container-low) !important;
}

.shadow-sm {
  box-shadow: var(--elevation-1);
}

.text-muted {
  color: var(--color-on-surface-variant) !important;
}

.text-decoration-none {
  text-decoration: none !important;
}

.text-center {
  text-align: center !important;
}

.border-top {
  border-top: 1px solid var(--color-outline-variant) !important;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.sr-only-focusable:focus {
  position: static !important;
  width: auto !important;
  height: auto !important;
  padding: var(--spacing-2) var(--spacing-3) !important;
  margin: 0 !important;
  overflow: visible !important;
  clip: auto !important;
  white-space: normal !important;
}

/* Dropdown styles */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-toggle::after {
  content: '';
  margin-left: 0.5em;
  vertical-align: 0.255em;
  border-top: 0.3em solid;
  border-right: 0.3em solid transparent;
  border-bottom: 0;
  border-left: 0.3em solid transparent;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1000;
  display: none;
  min-width: 10rem;
  padding: 0.5rem 0;
  margin: 0.125rem 0 0;
  font-size: var(--font-size-base);
  color: var(--color-on-surface);
  text-align: left;
  background-color: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  box-shadow: var(--elevation-3);
}

.dropdown-menu.show {
  display: block;
}

.dropdown-item {
  display: block;
  width: 100%;
  padding: 0.5rem 1rem;
  clear: both;
  font-weight: 400;
  color: var(--color-on-surface);
  text-align: inherit;
  text-decoration: none;
  white-space: nowrap;
  background-color: transparent;
  border: 0;
  cursor: pointer;
}

.dropdown-item:hover,
.dropdown-item:focus {
  color: var(--color-on-surface);
  background-color: var(--color-surface-container-high);
}

.dropdown-item.active {
  color: var(--color-on-primary);
  background-color: var(--color-primary-40);
}

.dropdown-divider {
  height: 0;
  margin: 0.5rem 0;
  overflow: hidden;
  border-top: 1px solid var(--color-outline-variant);
}

.dropdown-header {
  display: block;
  padding: 0.5rem 1rem;
  margin-bottom: 0;
  font-size: var(--font-size-sm);
  color: var(--color-on-surface-variant);
  white-space: nowrap;
}

.me-2 {
  margin-right: var(--spacing-2) !important;
}

/* Additional padding utilities */
.p-3 {
  padding: var(--spacing-3) !important;
}

.p-4 {
  padding: var(--spacing-4) !important;
}

.px-3 {
  padding-left: var(--spacing-3) !important;
  padding-right: var(--spacing-3) !important;
}

.px-4 {
  padding-left: var(--spacing-4) !important;
  padding-right: var(--spacing-4) !important;
}

.py-2 {
  padding-top: var(--spacing-2) !important;
  padding-bottom: var(--spacing-2) !important;
}

.py-3 {
  padding-top: var(--spacing-3) !important;
  padding-bottom: var(--spacing-3) !important;
}

.py-4 {
  padding-top: var(--spacing-4) !important;
  padding-bottom: var(--spacing-4) !important;
}

.mb-4 {
  margin-bottom: var(--spacing-4) !important;
}

.mt-4 {
  margin-top: var(--spacing-4) !important;
}

.rounded {
  border-radius: var(--radius-md) !important;
}

.rounded-pill {
  border-radius: 50px !important;
}

.d-flex {
  display: flex !important;
}

.d-md-row {
  flex-direction: row !important;
}

.flex-column {
  flex-direction: column !important;
}

.flex-md-row {
  flex-direction: row !important;
}

.justify-content-between {
  justify-content: space-between !important;
}

.justify-content-center {
  justify-content: center !important;
}

.align-items-center {
  align-items: center !important;
}

.gap-2 {
  gap: var(--spacing-2) !important;
}

.gap-3 {
  gap: var(--spacing-3) !important;
}

.text-center {
  text-align: center !important;
}

.text-decoration-none {
  text-decoration: none !important;
}

.container {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-6);
}

/* Override Bootstrap button styles with our design system */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-4);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: var(--task-transition);
  position: relative;
  overflow: hidden;
  user-select: none;
  min-height: var(--size-button-md);
}

.btn-primary {
  background-color: var(--color-primary-40);
  color: var(--color-on-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-30);
  color: var(--color-on-primary);
  box-shadow: var(--elevation-2);
}

.btn-secondary {
  background-color: #6c757d;
  color: #fff;
}

.btn-secondary:hover {
  background-color: #5c636a;
  color: #fff;
  box-shadow: var(--elevation-2);
}

.btn-success {
  background-color: #198754;
  color: #fff;
}

.btn-success:hover {
  background-color: #157347;
  color: #fff;
  box-shadow: var(--elevation-2);
}

.btn-warning {
  background-color: #ffc107;
  color: #000;
}

.btn-warning:hover {
  background-color: #ffca2c;
  color: #000;
  box-shadow: var(--elevation-2);
}

.btn-info {
  background-color: #0dcaf0;
  color: #000;
}

.btn-info:hover {
  background-color: #31d2f2;
  color: #000;
  box-shadow: var(--elevation-2);
}

.btn-outline-secondary {
  background-color: transparent;
  border: 1px solid var(--color-outline);
  color: var(--color-on-surface);
}

.btn-outline-secondary:hover {
  background-color: var(--color-surface-container-high);
  border-color: var(--color-outline-variant);
  color: var(--color-on-surface);
}

.btn-sm {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-xs);
  min-height: var(--size-button-sm);
}

/* Override Bootstrap form styles */
.form-control {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface-container-lowest);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-on-surface);
  transition: var(--task-transition);
  min-height: var(--size-input-md);
}

.form-control::placeholder {
  color: var(--color-on-surface-variant);
  opacity: 0.7;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary-40);
  box-shadow: 0 0 0 1px var(--color-primary-40);
  background-color: var(--color-surface);
}

/* Legacy component overrides */
.backlog-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
  padding: var(--spacing-4) 0;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.board-column {
  display: flex;
  flex-direction: column;
  background-color: var(--color-surface-container-low);
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 400px;
  box-shadow: var(--elevation-1);
  transition: var(--task-transition);
  min-width: var(--column-min-width);
  width: 100%;
}

.column-header {
  padding: var(--spacing-4) var(--spacing-5);
  background-color: var(--color-surface-container);
  border-bottom: 1px solid var(--color-outline-variant);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-3);
}

.column-header h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-on-surface);
  margin: 0;
}

.task-count {
  background-color: var(--color-primary-40);
  color: var(--color-on-primary);
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  min-width: var(--spacing-5);
  text-align: center;
}

.column-content {
  flex: 1;
  padding: var(--spacing-4);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  overflow-y: auto;
  min-height: 300px;
}

/* Status-specific styling for legacy columns */
#todo-column {
  border-top: 4px solid var(--status-todo-border);
}

#todo-column .column-header {
  background-color: var(--status-todo-bg);
}

#doing-column {
  border-top: 4px solid var(--status-doing-border);
}

#doing-column .column-header {
  background-color: var(--status-doing-bg);
}

#done-column {
  border-top: 4px solid var(--status-done-border);
}

#done-column .column-header {
  background-color: var(--status-done-bg);
}

/* Header brand styling */
.app-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.brand-icon {
  width: var(--size-icon-xl);
  height: var(--size-icon-xl);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.app-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-on-surface);
  margin: 0;
}

.app-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-on-surface-variant);
  margin: 0;
}

.btn-group-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  flex-wrap: wrap;
}

/* Custom modal styling for legacy modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  padding: var(--spacing-4);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease-out, visibility 0.2s ease-out;
}

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

.modal-box {
  background-color: var(--color-surface-container-high);
  border-radius: var(--radius-xl);
  box-shadow: var(--elevation-5);
  max-width: 90vw;
  max-height: 90vh;
  width: 100%;
  max-width: 400px;
  overflow: hidden;
  padding: var(--spacing-6);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.modal-box h5 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-on-surface);
  margin: 0;
}

.modal-box p {
  font-size: var(--font-size-base);
  color: var(--color-on-surface);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-3);
  align-items: center;
}

/* Responsive overrides */
@media (max-width: 768px) {
  .backlog-board {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
    padding: var(--spacing-3) 0;
  }
  
  .container-fluid {
    padding: 0 var(--spacing-4);
  }
  
  .flex-md-row {
    flex-direction: row !important;
  }
  
  .mb-md-0 {
    margin-bottom: 0 !important;
  }
  
  .d-flex.flex-column.flex-md-row {
    flex-direction: column !important;
    gap: var(--spacing-3);
  }
  
  .btn-group-header {
    justify-content: center;
    width: 100%;
  }
  
  .brand-text {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-3);
  }
  
  .container-fluid {
    padding: 0 var(--spacing-3);
  }
  
  .btn-group-header {
    gap: var(--spacing-1);
  }
  
  .app-title {
    font-size: var(--font-size-lg);
  }
  
  .app-subtitle {
    font-size: var(--font-size-xs);
  }
  
  .modal-box {
    padding: var(--spacing-4);
    margin: var(--spacing-2);
    max-width: calc(100vw - var(--spacing-4));
  }
  
  .modal-actions {
    flex-direction: column;
    gap: var(--spacing-2);
  }
  
  .modal-actions .btn {
    width: 100%;
  }
}