/* CSS Variables */
:root {
  --color-primary: #1A1A2E;
  --color-secondary: #16213E;
  --color-tertiary: #0F3460;
  --color-accent: #E94560;
  --color-white: #FFFFFF;
  --color-light-gray: #F5F5F5;
  --color-gray: #CCCCCC;
  --color-dark-gray: #666666;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  
  --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --color-white: #1A1A2E;
  --color-light-gray: #16213E;
  --color-gray: #0F3460;
  --color-dark-gray: #CCCCCC;
  --color-primary: #FFFFFF;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-primary);
  background-color: var(--color-white);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-md);
}

/* Layout Components */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main {
  flex: 1;
  padding: var(--spacing-xl) 0;
}

/* Header */
.header {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-md) 0;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.header__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-2xl);
  margin: 0;
}

.header__icon {
  font-size: var(--font-size-3xl);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: #d73650;
  transform: translateY(-1px);
}

.btn--secondary {
  background-color: var(--color-gray);
  color: var(--color-primary);
}

.btn--secondary:hover {
  background-color: #b3b3b3;
}

.btn--icon {
  padding: var(--spacing-sm);
  background-color: transparent;
  color: inherit;
}

.btn--icon:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.btn--danger {
  background-color: var(--color-error);
  color: var(--color-white);
}

.btn--danger:hover {
  background-color: #dc2626;
}

.btn--back {
  margin-bottom: var(--spacing-md);
}

/* Theme Toggle */
.theme-toggle {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.theme-toggle__icon {
  font-size: var(--font-size-lg);
  transition: transform var(--transition-normal);
}

[data-theme="dark"] .theme-toggle__icon {
  transform: rotate(180deg);
}

[data-theme="dark"] .theme-toggle__icon::before {
  content: '☀️';
}

/* Trip Selector */
.trip-selector {
  padding: var(--spacing-xl) 0;
}

.trip-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.trip-card {
  background-color: var(--color-light-gray);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 2px solid transparent;
}

.trip-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.trip-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.trip-card__title {
  font-size: var(--font-size-xl);
  margin: 0;
  color: var(--color-primary);
}

.trip-card__destination {
  color: var(--color-dark-gray);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

.trip-card__dates {
  color: var(--color-dark-gray);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

.trip-card__stats {
  display: flex;
  gap: var(--spacing-md);
  font-size: var(--font-size-xs);
  color: var(--color-dark-gray);
}

.trip-card__stat {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.trip-card--empty {
  border: 2px dashed var(--color-gray);
  background-color: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  text-align: center;
}

.trip-card--empty:hover {
  border-color: var(--color-accent);
  background-color: var(--color-light-gray);
}

/* Trip Dashboard */
.trip-dashboard {
  padding: var(--spacing-xl) 0;
}

.trip-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background-color: var(--color-light-gray);
  border-radius: var(--border-radius-lg);
}

.trip-header__info {
  flex: 1;
  margin-left: var(--spacing-lg);
}

.trip-header__title {
  margin: 0;
  color: var(--color-primary);
}

.trip-header__dates {
  color: var(--color-dark-gray);
  margin: 0;
}

.trip-header__actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--color-gray);
  margin-bottom: var(--spacing-xl);
  overflow-x: auto;
}

.tab {
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  background-color: transparent;
  color: var(--color-dark-gray);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  border-bottom: 3px solid transparent;
}

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

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

/* Tab Content */
.tab-content {
  min-height: 500px;
}

.tab-panel {
  display: none;
}

.tab-panel--active {
  display: block;
}

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

.panel-header h3 {
  margin: 0;
}

/* Itinerary Timeline */
.itinerary-timeline {
  position: relative;
}

.itinerary-timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-gray);
}

.itinerary-day {
  margin-bottom: var(--spacing-2xl);
}

.itinerary-day__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
}

.itinerary-day__date {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
}

.itinerary-item {
  position: relative;
  margin-left: 50px;
  margin-bottom: var(--spacing-lg);
  background-color: var(--color-light-gray);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.itinerary-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(5px);
}

.itinerary-item::before {
  content: '';
  position: absolute;
  left: -38px;
  top: 20px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--color-accent);
  border: 3px solid var(--color-white);
  z-index: 1;
}

.itinerary-item__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
}

.itinerary-item__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0;
  color: var(--color-primary);
}

.itinerary-item__actions {
  display: flex;
  gap: var(--spacing-xs);
}

.itinerary-item__meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-dark-gray);
}

.itinerary-item__category {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.itinerary-item__time {
  font-weight: 500;
}

.itinerary-item__location {
  color: var(--color-dark-gray);
}

.itinerary-item__notes {
  margin-top: var(--spacing-sm);
  color: var(--color-dark-gray);
  font-size: var(--font-size-sm);
}

.itinerary-item__member {
  margin-top: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.member-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
}

.member-badge__avatar {
  width: 16px;
  height: 16px;
  border-radius: 50%;
}

/* Checklist */
.checklist-categories {
  display: grid;
  gap: var(--spacing-xl);
}

.checklist-category {
  background-color: var(--color-light-gray);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.checklist-category__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-gray);
}

.checklist-category__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0;
  color: var(--color-primary);
}

.checklist-category__stats {
  display: flex;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xs);
  color: var(--color-dark-gray);
}

.checklist-items {
  display: grid;
  gap: var(--spacing-sm);
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-white);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.checklist-item:hover {
  box-shadow: var(--shadow-sm);
}

.checklist-item--completed {
  opacity: 0.7;
}

.checklist-item--completed .checklist-item__title {
  text-decoration: line-through;
}

.checklist-item__checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-gray);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
}

.checklist-item__checkbox--checked {
  background-color: var(--color-success);
  border-color: var(--color-success);
}

.checklist-item__checkbox--checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: bold;
}

.checklist-item__content {
  flex: 1;
  min-width: 0;
}

.checklist-item__title {
  font-weight: 500;
  margin: 0;
  color: var(--color-primary);
}

.checklist-item__notes {
  font-size: var(--font-size-sm);
  color: var(--color-dark-gray);
  margin-top: var(--spacing-xs);
}

.checklist-item__member {
  margin-top: var(--spacing-xs);
}

.checklist-item__actions {
  display: flex;
  gap: var(--spacing-xs);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.checklist-item:hover .checklist-item__actions {
  opacity: 1;
}

/* Members */
.members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.member-card {
  background-color: var(--color-light-gray);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.member-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.member-card__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: bold;
  color: var(--color-white);
}

.member-card__name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0 0 var(--spacing-sm);
  color: var(--color-primary);
}

.member-card__email {
  font-size: var(--font-size-sm);
  color: var(--color-dark-gray);
  margin-bottom: var(--spacing-md);
}

.member-card__stats {
  display: flex;
  justify-content: space-around;
  font-size: var(--font-size-xs);
  color: var(--color-dark-gray);
  margin-bottom: var(--spacing-md);
}

.member-card__stat {
  text-align: center;
}

.member-card__stat-value {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: bold;
  color: var(--color-accent);
}

.member-card__actions {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: center;
}

/* Comments */
.comments-section {
  max-width: 800px;
}

.comments-list {
  margin-bottom: var(--spacing-xl);
  max-height: 400px;
  overflow-y: auto;
}

.comment {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg);
  background-color: var(--color-light-gray);
  border-radius: var(--border-radius-lg);
}

.comment__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: var(--color-white);
  font-size: var(--font-size-sm);
}

.comment__content {
  flex: 1;
}

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

.comment__author {
  font-weight: 600;
  color: var(--color-primary);
}

.comment__date {
  font-size: var(--font-size-xs);
  color: var(--color-dark-gray);
}

.comment__text {
  color: var(--color-primary);
  margin: 0;
}

.comment-form {
  position: sticky;
  bottom: 0;
  background-color: var(--color-white);
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--color-gray);
}

.comment-form__input {
  display: flex;
  gap: var(--spacing-sm);
}

.comment-form__input input {
  flex: 1;
  padding: var(--spacing-md);
  border: 2px solid var(--color-gray);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
}

.comment-form__input input:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal__content {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal--active .modal__content {
  transform: scale(1);
}

.modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-gray);
}

.modal__header h3 {
  margin: 0;
  color: var(--color-primary);
}

.modal__close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  cursor: pointer;
  color: var(--color-dark-gray);
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.modal__close:hover {
  background-color: var(--color-light-gray);
}

.modal__form {
  padding: var(--spacing-lg);
}

.modal__actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  margin-top: var(--spacing-xl);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--color-gray);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.color-picker {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.color-picker input[type="color"] {
  width: 50px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
}

/* Loading */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-gray);
  border-top: 4px solid var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1500;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  color: var(--color-white);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  max-width: 300px;
}

.toast--show {
  transform: translateX(0);
}

.toast--success {
  background-color: var(--color-success);
}

.toast--error {
  background-color: var(--color-error);
}

.toast--warning {
  background-color: var(--color-warning);
}

/* Footer */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  text-align: center;
  padding: var(--spacing-lg) 0;
  margin-top: auto;
}

.footer p {
  margin: 0;
  font-size: var(--font-size-sm);
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--color-dark-gray);
}

.empty-state__icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

.empty-state__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.empty-state__description {
  margin-bottom: var(--spacing-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .header__container {
    padding: 0 var(--spacing-sm);
  }
  
  .header__title {
    font-size: var(--font-size-xl);
  }
  
  .header__controls {
    gap: var(--spacing-sm);
  }
  
  .trip-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
  }
  
  .trip-header__actions {
    justify-content: center;
  }
  
  .tabs {
    flex-wrap: wrap;
  }
  
  .tab {
    flex: 1;
    min-width: 120px;
  }
  
  .panel-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .modal__content {
    width: 95%;
    margin: var(--spacing-md);
  }
  
  .modal__actions {
    flex-direction: column;
  }
  
  .members-grid {
    grid-template-columns: 1fr;
  }
  
  .trip-list {
    grid-template-columns: 1fr;
  }
  
  .itinerary-timeline::before {
    left: 10px;
  }
  
  .itinerary-item {
    margin-left: 30px;
  }
  
  .itinerary-item::before {
    left: -28px;
  }
  
  .comment-form__input {
    flex-direction: column;
  }
  
  .toast-container {
    top: 10px;
    right: 10px;
    left: 10px;
  }
  
  .toast {
    max-width: none;
  }
}

@media (max-width: 480px) {
  .header__title {
    font-size: var(--font-size-lg);
  }
  
  .header__icon {
    font-size: var(--font-size-xl);
  }
  
  .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
  }
  
  .tabs {
    border-bottom: none;
    background-color: var(--color-light-gray);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xs);
  }
  
  .tab {
    border-radius: var(--border-radius-sm);
    border-bottom: none;
  }
  
  .tab--active {
    background-color: var(--color-white);
    border-bottom: none;
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .btn,
  .modal,
  .toast-container {
    display: none !important;
  }
  
  .main {
    padding: 0;
  }
  
  .trip-dashboard {
    padding: 0;
  }
  
  .tab-panel {
    display: block !important;
  }
  
  body {
    font-size: 12px;
    line-height: 1.4;
  }
  
  .container {
    max-width: none;
    padding: 0;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

/* Focus styles for accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-gray: #808080;
    --color-light-gray: #F0F0F0;
  }
  
  .btn {
    border: 2px solid currentColor;
  }
  
  .modal__content {
    border: 2px solid var(--color-primary);
  }
}