/**
 * Modern Component Library
 * Contemporary UI components with glassmorphism, subtle animations,
 * and distinctive visual patterns that avoid the Bootstrap look.
 */

/* ============================================
   MODERN BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-primary);
  font-weight: var(--weight-medium);
  text-decoration: none;
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
  user-select: none;
  transition: all var(--duration-normal) var(--ease-out);
  
  /* Default size */
  height: var(--btn-height-md);
  padding: var(--btn-padding-md);
  font-size: var(--text-base);
  border-radius: var(--radius-button);
  
  /* Hover effect */
  transform: translateY(0);
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 50%);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.btn:hover::before {
  opacity: 1;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  pointer-events: none;
}

/* Button Variants */
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-700) 100%);
  color: white;
  box-shadow: var(--shadow-md), var(--shadow-primary);
}

.btn-primary:hover {
  box-shadow: var(--shadow-lg), var(--shadow-primary);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
  backdrop-filter: var(--backdrop-blur-sm);
}

.btn-secondary:hover {
  background: var(--hover-bg);
  border-color: var(--color-primary);
}

.btn-success {
  background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-dark) 100%);
  color: white;
  box-shadow: var(--shadow-md), var(--shadow-success);
}

.btn-error {
  background: linear-gradient(135deg, var(--color-error) 0%, var(--color-error-dark) 100%);
  color: white;
  box-shadow: var(--shadow-md), var(--shadow-error);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid transparent;
}

.btn-ghost:hover {
  background: var(--hover-bg);
  border-color: var(--border-primary);
}

.btn-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.btn-gradient::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.btn-gradient:hover::after {
  opacity: 1;
}

/* Button Sizes */
.btn-sm {
  height: var(--btn-height-sm);
  padding: var(--btn-padding-sm);
  font-size: var(--text-sm);
}

.btn-lg {
  height: var(--btn-height-lg);
  padding: var(--btn-padding-lg);
  font-size: var(--text-lg);
}

.btn-icon {
  aspect-ratio: 1;
  padding: 0;
  justify-content: center;
}

.btn-full {
  width: 100%;
}

/* Loading state */
.btn-loading {
  color: transparent;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 1rem;
  height: 1rem;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   MODERN FORM CONTROLS
   ============================================ */

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  line-height: var(--leading-snug);
}

.form-control {
  width: 100%;
  height: var(--input-height);
  padding: 0 var(--input-padding);
  font-size: var(--text-base);
  font-family: var(--font-primary);
  background: var(--bg-card);
  border: var(--input-border-width) solid var(--border-primary);
  border-radius: var(--radius-input);
  color: var(--text-primary);
  transition: all var(--duration-normal) var(--ease-out);
  backdrop-filter: var(--backdrop-blur-sm);
}

.form-control::placeholder {
  color: var(--text-tertiary);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
  background: var(--bg-glass-strong);
}

.form-control:hover:not(:focus) {
  border-color: var(--border-secondary);
}

.form-control:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--bg-tertiary);
}

/* Textarea */
textarea.form-control {
  height: auto;
  min-height: calc(var(--input-height) * 2);
  padding: var(--space-4);
  resize: vertical;
  line-height: var(--leading-relaxed);
}

/* Select */
select.form-control {
  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 var(--space-3) center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: var(--space-10);
  appearance: none;
}

[data-theme="dark"] select.form-control {
  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='%9ca3af' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
}

/* Input Groups */
.input-group {
  position: relative;
  display: flex;
}

.input-group .form-control {
  flex: 1;
}

.input-group .form-control:not(:first-child) {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-left-width: 0;
}

.input-group .form-control:not(:last-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-addon {
  display: flex;
  align-items: center;
  padding: 0 var(--space-4);
  background: var(--bg-tertiary);
  border: var(--input-border-width) solid var(--border-primary);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

.input-addon:first-child {
  border-top-left-radius: var(--radius-input);
  border-bottom-left-radius: var(--radius-input);
  border-right-width: 0;
}

.input-addon:last-child {
  border-top-right-radius: var(--radius-input);
  border-bottom-right-radius: var(--radius-input);
  border-left-width: 0;
}

/* Form validation states */
.form-control.invalid {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.1);
}

.form-control.valid {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px rgba(16, 217, 130, 0.1);
}

.form-help {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  line-height: var(--leading-normal);
}

.form-error {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-error);
  font-weight: var(--weight-medium);
}

.form-error::before {
  content: '⚠';
  font-size: var(--text-base);
}

/* Custom Checkbox & Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  appearance: none;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--border-primary);
  background: var(--bg-card);
  cursor: pointer;
  position: relative;
  transition: all var(--duration-normal) var(--ease-out);
  margin: 0;
  flex-shrink: 0;
}

.form-check input[type="checkbox"] {
  border-radius: var(--radius-sm);
}

.form-check input[type="radio"] {
  border-radius: 50%;
}

.form-check input[type="checkbox"]:checked,
.form-check input[type="radio"]:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.form-check input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  width: 4px;
  height: 8px;
  border: 2px solid white;
  border-top: 0;
  border-left: 0;
}

.form-check input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  background: white;
  border-radius: 50%;
}

.form-check input:focus {
  box-shadow: var(--focus-ring);
}

.form-check label {
  cursor: pointer;
  font-size: var(--text-base);
  color: var(--text-primary);
  line-height: var(--leading-normal);
  margin: 0;
}

/* Toggle Switch */
.form-switch {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.switch-input {
  display: none;
}

.switch-track {
  position: relative;
  width: 3rem;
  height: 1.5rem;
  background: var(--bg-quaternary);
  border-radius: var(--radius-full);
  transition: background-color var(--duration-normal) var(--ease-out);
  border: 1px solid var(--border-primary);
}

.switch-thumb {
  position: absolute;
  top: 50%;
  left: 2px;
  transform: translateY(-50%);
  width: 1.25rem;
  height: 1.25rem;
  background: white;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-normal) var(--ease-out);
}

.switch-input:checked + .switch-track {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.switch-input:checked + .switch-track .switch-thumb {
  transform: translateY(-50%) translateX(1.5rem);
}

.switch-input:focus + .switch-track {
  box-shadow: var(--focus-ring);
}

.switch-label {
  font-size: var(--text-base);
  color: var(--text-primary);
  cursor: pointer;
}

/* ============================================
   MODERN CARDS
   ============================================ */

.card {
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

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

.card:hover::before {
  opacity: 1;
}

.card-header {
  padding: var(--card-padding);
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
}

.card-body {
  padding: var(--card-padding);
}

.card-footer {
  padding: var(--card-padding);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

.card-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  line-height: var(--leading-snug);
  margin: 0 0 var(--space-2) 0;
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0 0 var(--space-4) 0;
}

.card-text {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0 0 var(--space-4) 0;
}

.card-text:last-child {
  margin-bottom: 0;
}

/* Card variants */
.card-glass {
  background: var(--bg-glass);
  backdrop-filter: var(--backdrop-blur-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .card-glass {
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.card-elevated {
  box-shadow: var(--shadow-lg);
  border: none;
}

.card-interactive {
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
}

.card-interactive:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* Card sizes */
.card-sm .card-header,
.card-sm .card-body,
.card-sm .card-footer {
  padding: var(--card-padding-sm);
}

.card-lg .card-header,
.card-lg .card-body,
.card-lg .card-footer {
  padding: var(--card-padding-lg);
}

/* ============================================
   MODERN ALERTS & NOTIFICATIONS
   ============================================ */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-6);
  backdrop-filter: var(--backdrop-blur-sm);
  border: 1px solid;
  position: relative;
  overflow: hidden;
}

.alert::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: currentColor;
}

.alert-icon {
  flex-shrink: 0;
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  margin-top: var(--space-0_5);
}

.alert-content {
  flex: 1;
  min-width: 0;
}

.alert-title {
  font-weight: var(--weight-semibold);
  color: currentColor;
  margin-bottom: var(--space-2);
  font-size: var(--text-base);
}

.alert-message {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  opacity: 0.9;
}

.alert-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: currentColor;
  opacity: 0.7;
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
  font-size: var(--text-lg);
}

.alert-close:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.05);
}

/* Alert variants */
.alert-success {
  background: linear-gradient(135deg, rgba(16, 217, 130, 0.1), rgba(16, 217, 130, 0.05));
  border-color: var(--color-success);
  color: var(--color-success-dark);
}

.alert-error {
  background: linear-gradient(135deg, rgba(248, 113, 113, 0.1), rgba(248, 113, 113, 0.05));
  border-color: var(--color-error);
  color: var(--color-error-dark);
}

.alert-warning {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(251, 191, 36, 0.05));
  border-color: var(--color-warning);
  color: var(--color-warning-dark);
}

.alert-info {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(6, 182, 212, 0.05));
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
}

/* ============================================
   MODERN MODALS
   ============================================ */

.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

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

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: var(--backdrop-blur);
}

.modal-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  width: 100%;
  background: var(--bg-modal);
  backdrop-filter: var(--backdrop-blur-lg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-modal);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform var(--duration-normal) var(--ease-bounce);
}

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
}

.modal-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  margin: 0;
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: var(--bg-quaternary);
  border: none;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
}

.modal-close:hover {
  background: var(--hover-bg);
  color: var(--text-primary);
  transform: rotate(90deg);
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  max-height: calc(90vh - 180px);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-6);
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

/* Modal sizes */
.modal-sm .modal-content { max-width: 400px; }
.modal-lg .modal-content { max-width: 800px; }
.modal-xl .modal-content { max-width: 1200px; }

/* ============================================
   MODERN BADGES
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  line-height: 1;
  border-radius: var(--radius-full);
  border: 1px solid currentColor;
  backdrop-filter: var(--backdrop-blur-sm);
  transition: all var(--duration-fast) var(--ease-out);
}

.badge-primary {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(99, 102, 241, 0.05));
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.badge-success {
  background: linear-gradient(135deg, rgba(16, 217, 130, 0.15), rgba(16, 217, 130, 0.05));
  color: var(--color-success);
  border-color: var(--color-success);
}

.badge-warning {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.15), rgba(251, 191, 36, 0.05));
  color: var(--color-warning);
  border-color: var(--color-warning);
}

.badge-error {
  background: linear-gradient(135deg, rgba(248, 113, 113, 0.15), rgba(248, 113, 113, 0.05));
  color: var(--color-error);
  border-color: var(--color-error);
}

.badge-neutral {
  background: var(--bg-quaternary);
  color: var(--text-secondary);
  border-color: var(--border-primary);
}

/* Badge variants */
.badge-solid {
  background: currentColor;
  color: white;
}

.badge-dot {
  position: relative;
  padding-left: var(--space-6);
}

.badge-dot::before {
  content: '';
  position: absolute;
  left: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  width: var(--space-2);
  height: var(--space-2);
  background: currentColor;
  border-radius: 50%;
}

/* ============================================
   MODERN NAVIGATION
   ============================================ */

.nav {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-1);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: var(--weight-medium);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--hover-bg);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.nav-link:hover {
  color: var(--text-primary);
  transform: translateY(-1px);
}

.nav-link:hover::before {
  opacity: 1;
}

.nav-link.active {
  color: var(--color-primary);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(99, 102, 241, 0.05));
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.nav-link.active::before {
  opacity: 0;
}

/* Nav Pills */
.nav-pills {
  background: var(--bg-tertiary);
  padding: var(--space-1);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
}

.nav-pills .nav-link {
  border-radius: var(--radius-lg);
}

.nav-pills .nav-link.active {
  background: var(--bg-primary);
  box-shadow: var(--shadow-sm);
}

/* Nav Tabs */
.nav-tabs {
  border-bottom: 1px solid var(--border-primary);
  gap: var(--space-6);
}

.nav-tabs .nav-link {
  border-radius: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding-bottom: var(--space-4);
}

.nav-tabs .nav-link.active {
  background: none;
  border: none;
  border-bottom: 2px solid var(--color-primary);
  color: var(--color-primary);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  color: var(--text-secondary);
}

.breadcrumb-item:not(:last-child)::after {
  content: '/';
  margin-left: var(--space-2);
  color: var(--text-quaternary);
}

.breadcrumb-item a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.breadcrumb-item a:hover {
  color: var(--color-primary);
}

.breadcrumb-item.active {
  color: var(--text-primary);
  font-weight: var(--weight-medium);
}

/* ============================================
   MODERN TABLES
   ============================================ */

.table-container {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  backdrop-filter: var(--backdrop-blur);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.table th,
.table td {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.table th {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table tbody tr {
  transition: background-color var(--duration-fast) var(--ease-out);
}

.table tbody tr:hover {
  background: var(--hover-bg);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* Table variants */
.table-striped tbody tr:nth-of-type(odd) {
  background: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] .table-striped tbody tr:nth-of-type(odd) {
  background: rgba(255, 255, 255, 0.02);
}

.table-borderless th,
.table-borderless td {
  border: none;
}

/* ============================================
   MODERN LOADING STATES
   ============================================ */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 25%,
    var(--bg-quaternary) 50%,
    var(--bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton-text {
  height: 1rem;
  margin-bottom: var(--space-3);
  border-radius: var(--radius-sm);
}

.skeleton-title {
  height: 1.5rem;
  width: 60%;
  margin-bottom: var(--space-4);
}

.skeleton-avatar {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid var(--border-primary);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 1rem;
  height: 1rem;
  border-width: 1.5px;
}

.spinner-lg {
  width: 2rem;
  height: 2rem;
  border-width: 3px;
}

/* ============================================
   MODERN TOAST NOTIFICATIONS
   ============================================ */

.toast {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  min-width: 350px;
  max-width: 500px;
  background: var(--bg-glass-strong);
  backdrop-filter: var(--backdrop-blur-lg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  transform: translateX(100%);
  opacity: 0;
  transition: all var(--duration-normal) var(--ease-bounce);
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast-icon {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  margin-top: var(--space-1);
}

.toast-content {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
  font-size: var(--text-base);
}

.toast-message {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}

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

/* Toast variants */
.toast-success .toast-icon {
  background: var(--color-success);
  color: white;
}

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

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

.toast-info .toast-icon {
  background: var(--color-accent);
  color: white;
}

/* ============================================
   MODERN AUTHENTICATION COMPONENTS
   ============================================ */

.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
  position: relative;
  overflow: hidden;
}

.auth-container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 70%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 30%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
  animation: float 20s infinite ease-in-out;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(1deg); }
}

.auth-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: var(--bg-glass-strong);
  backdrop-filter: var(--backdrop-blur-lg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-3xl);
  box-shadow: var(--shadow-2xl);
  padding: var(--space-8);
  z-index: 1;
}

@media (min-width: 640px) {
  .auth-card {
    padding: var(--space-10);
  }
}

.auth-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0 0 var(--space-3) 0;
  line-height: var(--leading-tight);
}

.auth-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin: 0;
  line-height: var(--leading-relaxed);
}

.auth-form {
  margin-bottom: var(--space-6);
}

.auth-form-group {
  margin-bottom: var(--space-6);
  position: relative;
}

.auth-input {
  width: 100%;
  height: var(--space-14);
  padding: 0 var(--space-5);
  font-size: var(--text-lg);
  background: var(--bg-glass);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  transition: all var(--duration-normal) var(--ease-out);
  backdrop-filter: var(--backdrop-blur-sm);
}

.auth-input::placeholder {
  color: var(--text-quaternary);
  font-weight: var(--weight-normal);
}

.auth-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
  background: var(--bg-glass-strong);
}

.auth-input:hover:not(:focus) {
  border-color: var(--border-secondary);
}

.auth-input.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 4px rgba(248, 113, 113, 0.15);
}

.auth-label {
  position: absolute;
  left: var(--space-5);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: var(--text-lg);
  pointer-events: none;
  transition: all var(--duration-normal) var(--ease-out);
  background: var(--bg-primary);
  padding: 0 var(--space-2);
}

.auth-input:focus + .auth-label,
.auth-input:not(:placeholder-shown) + .auth-label {
  top: 0;
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: var(--weight-medium);
}

/* Password Input Group */
.password-input-group {
  position: relative;
}

.password-toggle {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast) var(--ease-out);
}

.password-toggle:hover {
  color: var(--text-primary);
  background: var(--hover-bg);
}

/* Password Strength Meter */
.password-strength-meter {
  height: 4px;
  background: var(--bg-quaternary);
  border-radius: var(--radius-full);
  margin-top: var(--space-3);
  overflow: hidden;
}

.password-strength-bar {
  height: 100%;
  width: 0;
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-out);
  background: linear-gradient(90deg, var(--color-error), var(--color-warning), var(--color-success));
}

.password-hint {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-top: var(--space-2);
}

/* OAuth Providers */
.oauth-divider {
  position: relative;
  text-align: center;
  margin: var(--space-8) 0;
}

.oauth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-primary), transparent);
}

.oauth-divider span {
  position: relative;
  padding: 0 var(--space-6);
  background: var(--bg-glass-strong);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  font-weight: var(--weight-medium);
}

.oauth-providers {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.oauth-btn {
  width: 100%;
  height: var(--space-14);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  background: var(--bg-glass);
  backdrop-filter: var(--backdrop-blur-sm);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  text-decoration: none;
}

.oauth-btn:hover {
  background: var(--bg-glass-strong);
  border-color: var(--border-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

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

.google-btn {
  border-color: #ea4335;
  color: #ea4335;
}

.google-btn:hover {
  background: linear-gradient(135deg, rgba(234, 67, 53, 0.05), rgba(234, 67, 53, 0.02));
  border-color: #ea4335;
}

.github-btn {
  border-color: var(--neutral-800);
  color: var(--neutral-800);
}

[data-theme="dark"] .github-btn {
  border-color: var(--neutral-200);
  color: var(--neutral-200);
}

.github-btn:hover {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.05), rgba(0, 0, 0, 0.02));
}

[data-theme="dark"] .github-btn:hover {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.facebook-btn {
  border-color: #1877f2;
  color: #1877f2;
}

.facebook-btn:hover {
  background: linear-gradient(135deg, rgba(24, 119, 242, 0.05), rgba(24, 119, 242, 0.02));
  border-color: #1877f2;
}

/* Auth Links */
.auth-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-subtle);
}

.auth-links a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: var(--weight-medium);
  transition: color var(--duration-fast) var(--ease-out);
}

.auth-links a:hover {
  color: var(--color-primary-700);
}

.auth-links span {
  color: var(--text-quaternary);
}

/* Field Errors */
.field-error {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-error);
  font-weight: var(--weight-medium);
  opacity: 0;
  transform: translateY(-4px);
  transition: all var(--duration-normal) var(--ease-out);
}

.auth-form-group.error .field-error {
  opacity: 1;
  transform: translateY(0);
}

.field-error::before {
  content: '⚠';
  font-size: var(--text-base);
}

/* ============================================
   MODERN DROPDOWNS
   ============================================ */

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  z-index: var(--z-dropdown);
  min-width: 200px;
  background: var(--bg-glass-strong);
  backdrop-filter: var(--backdrop-blur-lg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2);
  margin-top: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--duration-normal) var(--ease-bounce);
}

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

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: none;
  border: none;
  text-align: left;
  color: var(--text-primary);
  cursor: pointer;
  border-radius: var(--radius-lg);
  transition: all var(--duration-fast) var(--ease-out);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
}

.dropdown-item:hover {
  background: var(--hover-bg);
  color: var(--color-primary);
}

.dropdown-item:active {
  background: var(--active-bg);
}

.dropdown-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: var(--space-2) 0;
}

/* ============================================
   MODERN PAGINATION
   ============================================ */

.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-item {
  display: flex;
}

.page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  height: 2.75rem;
  padding: 0 var(--space-3);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: var(--weight-medium);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  backdrop-filter: var(--backdrop-blur-sm);
}

.page-link:hover {
  color: var(--color-primary);
  background: var(--hover-bg);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.page-item.active .page-link {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.page-item.disabled .page-link {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ============================================
   MODERN TOOLTIPS
   ============================================ */

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-content {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-glass-strong);
  backdrop-filter: var(--backdrop-blur-lg);
  color: var(--text-primary);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-subtle);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-4px);
  transition: all var(--duration-normal) var(--ease-out);
  margin-bottom: var(--space-2);
  z-index: var(--z-tooltip);
}

.tooltip-content::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--border-subtle);
}

.tooltip:hover .tooltip-content {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   MODERN PROGRESS BARS
   ============================================ */

.progress {
  width: 100%;
  height: var(--space-2);
  background: var(--bg-quaternary);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
  transition: width var(--duration-slow) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-lg {
  height: var(--space-3);
}

.progress-sm {
  height: var(--space-1);
}

/* Progress variants */
.progress-success .progress-bar {
  background: linear-gradient(90deg, var(--color-success), var(--color-success-light));
}

.progress-warning .progress-bar {
  background: linear-gradient(90deg, var(--color-warning), var(--color-warning-light));
}

.progress-error .progress-bar {
  background: linear-gradient(90deg, var(--color-error), var(--color-error-light));
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */

/* Hide/show on different breakpoints */
@media (max-width: 639px) {
  .hidden-mobile { display: none !important; }
}

@media (min-width: 640px) {
  .hidden-tablet { display: none !important; }
  .show-mobile { display: none !important; }
}

@media (min-width: 1024px) {
  .hidden-desktop { display: none !important; }
  .show-tablet { display: none !important; }
}

/* ============================================
   MODERN SPACING UTILITIES
   ============================================ */

/* Margin utilities */
.m-0 { margin: 0 !important; }
.m-1 { margin: var(--space-1) !important; }
.m-2 { margin: var(--space-2) !important; }
.m-3 { margin: var(--space-3) !important; }
.m-4 { margin: var(--space-4) !important; }
.m-5 { margin: var(--space-5) !important; }
.m-6 { margin: var(--space-6) !important; }
.m-8 { margin: var(--space-8) !important; }
.m-10 { margin: var(--space-10) !important; }
.m-12 { margin: var(--space-12) !important; }

.mx-auto { margin-left: auto !important; margin-right: auto !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--space-1) !important; }
.mt-2 { margin-top: var(--space-2) !important; }
.mt-3 { margin-top: var(--space-3) !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mt-5 { margin-top: var(--space-5) !important; }
.mt-6 { margin-top: var(--space-6) !important; }
.mt-8 { margin-top: var(--space-8) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--space-1) !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-3 { margin-bottom: var(--space-3) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mb-5 { margin-bottom: var(--space-5) !important; }
.mb-6 { margin-bottom: var(--space-6) !important; }
.mb-8 { margin-bottom: var(--space-8) !important; }

/* Padding utilities */
.p-0 { padding: 0 !important; }
.p-1 { padding: var(--space-1) !important; }
.p-2 { padding: var(--space-2) !important; }
.p-3 { padding: var(--space-3) !important; }
.p-4 { padding: var(--space-4) !important; }
.p-5 { padding: var(--space-5) !important; }
.p-6 { padding: var(--space-6) !important; }
.p-8 { padding: var(--space-8) !important; }

.px-4 { padding-left: var(--space-4) !important; padding-right: var(--space-4) !important; }
.px-6 { padding-left: var(--space-6) !important; padding-right: var(--space-6) !important; }
.px-8 { padding-left: var(--space-8) !important; padding-right: var(--space-8) !important; }

.py-4 { padding-top: var(--space-4) !important; padding-bottom: var(--space-4) !important; }
.py-6 { padding-top: var(--space-6) !important; padding-bottom: var(--space-6) !important; }
.py-8 { padding-top: var(--space-8) !important; padding-bottom: var(--space-8) !important; }

/* ============================================
   MODERN FLEX UTILITIES
   ============================================ */

.flex { display: flex !important; }
.inline-flex { display: inline-flex !important; }
.flex-col { flex-direction: column !important; }
.flex-row { flex-direction: row !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }

.items-start { align-items: flex-start !important; }
.items-center { align-items: center !important; }
.items-end { align-items: flex-end !important; }
.items-stretch { align-items: stretch !important; }

.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-end { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }
.justify-around { justify-content: space-around !important; }
.justify-evenly { justify-content: space-evenly !important; }

.flex-1 { flex: 1 1 0% !important; }
.flex-auto { flex: 1 1 auto !important; }
.flex-none { flex: none !important; }
.flex-shrink-0 { flex-shrink: 0 !important; }
.flex-grow { flex-grow: 1 !important; }

.gap-1 { gap: var(--space-1) !important; }
.gap-2 { gap: var(--space-2) !important; }
.gap-3 { gap: var(--space-3) !important; }
.gap-4 { gap: var(--space-4) !important; }
.gap-5 { gap: var(--space-5) !important; }
.gap-6 { gap: var(--space-6) !important; }
.gap-8 { gap: var(--space-8) !important; }

/* ============================================
   MODERN TEXT UTILITIES
   ============================================ */

.text-xs { font-size: var(--text-xs) !important; }
.text-sm { font-size: var(--text-sm) !important; }
.text-base { font-size: var(--text-base) !important; }
.text-lg { font-size: var(--text-lg) !important; }
.text-xl { font-size: var(--text-xl) !important; }
.text-2xl { font-size: var(--text-2xl) !important; }
.text-3xl { font-size: var(--text-3xl) !important; }
.text-4xl { font-size: var(--text-4xl) !important; }
.text-5xl { font-size: var(--text-5xl) !important; }

.font-light { font-weight: var(--weight-light) !important; }
.font-normal { font-weight: var(--weight-normal) !important; }
.font-medium { font-weight: var(--weight-medium) !important; }
.font-semibold { font-weight: var(--weight-semibold) !important; }
.font-bold { font-weight: var(--weight-bold) !important; }

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

.text-primary { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-tertiary { color: var(--text-tertiary) !important; }
.text-success { color: var(--color-success) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-error { color: var(--color-error) !important; }
.text-info { color: var(--color-accent) !important; }

.leading-tight { line-height: var(--leading-tight) !important; }
.leading-normal { line-height: var(--leading-normal) !important; }
.leading-relaxed { line-height: var(--leading-relaxed) !important; }

/* ============================================
   MODERN DISPLAY UTILITIES
   ============================================ */

.hidden { display: none !important; }
.block { display: block !important; }
.inline { display: inline !important; }
.inline-block { display: inline-block !important; }
.grid { display: grid !important; }

/* ============================================
   MODERN BORDER UTILITIES
   ============================================ */

.border { border: 1px solid var(--border-primary) !important; }
.border-0 { border: 0 !important; }
.border-t { border-top: 1px solid var(--border-primary) !important; }
.border-b { border-bottom: 1px solid var(--border-primary) !important; }
.border-l { border-left: 1px solid var(--border-primary) !important; }
.border-r { border-right: 1px solid var(--border-primary) !important; }

.rounded-none { border-radius: 0 !important; }
.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }
.rounded-2xl { border-radius: var(--radius-2xl) !important; }
.rounded-3xl { border-radius: var(--radius-3xl) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }

/* ============================================
   MODERN BACKGROUND UTILITIES
   ============================================ */

.bg-transparent { background: transparent !important; }
.bg-primary { background: var(--bg-primary) !important; }
.bg-secondary { background: var(--bg-secondary) !important; }
.bg-glass { background: var(--bg-glass) !important; backdrop-filter: var(--backdrop-blur) !important; }
.bg-gradient { background: linear-gradient(135deg, var(--color-primary), var(--color-accent)) !important; }

/* ============================================
   MODERN SHADOW UTILITIES
   ============================================ */

.shadow-none { box-shadow: none !important; }
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }
.shadow-2xl { box-shadow: var(--shadow-2xl) !important; }

/* ============================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================ */

.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-visible:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -40px;
  left: var(--space-6);
  background: var(--color-primary);
  color: white;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: var(--weight-medium);
  z-index: 1000;
  transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
  top: var(--space-4);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .animate-fade-in,
  .animate-slide-up,
  .animate-scale {
    animation: none;
  }
  
  .progress-bar::after {
    animation: none;
  }
}