:root {
  /* Primary Colors - Coral & Sage Green */
  --primary-color: #FF6B6B;
  --primary-hover: #FF5252;
  --primary-light: #fdf1f1;
  --primary-subtle: #FFF5F5;

  /* Secondary Colors - Deep Teal & Warm Orange */
  --secondary-color: #4ECDC4;
  --secondary-hover: #26A69A;
  --accent-color: #FFD93D;
  --accent-hover: #FFC107;

  /* Semantic Colors */
  --success-color: #4CAF50;
  --success-light: #E8F5E8;
  --warning-color: #FF9800;
  --warning-light: #FFF3E0;
  --error-color: #F44336;
  --error-light: #FFEBEE;
  --info-color: #2196F3;
  --info-light: #E3F2FD;

  /* Background Colors - Warm Creams & Soft Whites */
  --bg-primary: #FEFEFE;
  --bg-secondary: #F8F6F0;
  --bg-tertiary: #F0EDE5;
  --bg-elevated: #FFFFFF;
  --bg-overlay: rgba(255, 255, 255, 0.95);
  --bg-gradient: linear-gradient(135deg, #4ECDC4 50%, #FFD93D 100%);
  --bg-dark-gradient: linear-gradient(135deg, #1F1C2C 0%, #2C3E50 100%);
  --bg-header-bg: linear-gradient(135deg, #FFE0B2 0%, #FFCCBC 50%, #FFAB91 100%);
  --bg-card-gradient: linear-gradient(145deg, #FFFFFF 0%, #F8F6F0 100%);

  /* Text Colors - Rich Charcoals & Warm Grays */
  --text-primary: #2D3748;
  --text-secondary: #4A5568;
  --text-tertiary: #718096;
  --text-muted: #A0AEC0;
  --text-placeholder: #CBD5E0;
  --text-on-dark: #FFFFFF;

  /* Border Colors - Soft & Natural */
  --border-color: #E2E8F0;
  --border-hover: #CBD5E0;
  --border-focus: #A0AEC0;
  --border-subtle: #F7FAFC;

  /* Shadow System - Warm & Soft */
  --shadow-xs: 0 1px 2px 0 rgba(255, 107, 107, 0.08);
  --shadow-sm: 0 1px 3px 0 rgba(255, 107, 107, 0.12), 0 1px 2px -1px rgba(78, 205, 196, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(255, 107, 107, 0.15), 0 2px 4px -2px rgba(78, 205, 196, 0.10);
  --shadow-lg: 0 10px 15px -3px rgba(255, 107, 107, 0.18), 0 4px 6px -4px rgba(78, 205, 196, 0.12);
  --shadow-xl: 0 20px 25px -5px rgba(255, 107, 107, 0.20), 0 8px 10px -6px rgba(78, 205, 196, 0.15);
  --shadow-2xl: 0 25px 50px -12px rgba(255, 107, 107, 0.25);
  --shadow-glow: 0 0 20px rgba(255, 217, 61, 0.25);

  /* Glassmorphism - Warm Tinted */
  --glassmorphism: rgba(255, 255, 255, 0.85);
  --glassmorphism-border: rgba(255, 107, 107, 0.2);

  /* Spacing System */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;
  --spacing-3xl: 32px;
  --spacing-4xl: 40px;
  --spacing-5xl: 48px;
  --spacing-6xl: 64px;

  /* Border Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-3xl: 24px;
  --radius-full: 9999px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'SF Pro Display', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.7;
  color: var(--text-primary);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, #FFF8E1 0%, #F3E5F5 50%, #E8F5E8 100%);
}

/*Background Animations*/
.background-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  opacity: 0.6;
}

.floating-shape {
  position: absolute;
  border-radius: 50%;
  background: var(--bg-gradient);
  opacity: 0.7;
  animation: float 25s infinite ease-in-out;
  filter: blur(2px);
}

.floating-shape:nth-child(1) {
  width: 120px;
  height: 120px;
  top: 10%;
  left: 10%;
  animation-delay: 0s;
  background: var(--primary-hover);
}

.floating-shape:nth-child(2) {
  width: 200px;
  height: 200px;
  top: 60%;
  left: 75%;
  animation-delay: -8s;
  background: var(--bg-gradient);
}

.floating-shape:nth-child(3) {
  width: 80px;
  height: 80px;
  top: 30%;
  left: 60%;
  animation-delay: -15s;
  background: var(--primary-color);
}

.floating-shape:nth-child(4) {
  width: 150px;
  height: 150px;
  top: 80%;
  left: 20%;
  animation-delay: -12s;
  background: var(--bg-gradient);
}

.floating-shape:nth-child(5) {
  width: 100px;
  height: 100px;
  top: 5%;
  left: 80%;
  animation-delay: -20s;
  background: var(--bg-gradient);
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px) translateX(0px) rotate(0deg) scale(1);
  }

  25% {
    transform: translateY(-40px) translateX(20px) rotate(90deg) scale(1.1);
  }

  50% {
    transform: translateY(30px) translateX(-15px) rotate(180deg) scale(0.9);
  }

  75% {
    transform: translateY(-20px) translateX(30px) rotate(270deg) scale(1.05);
  }
}

/* Enhanced Container and Layout */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-3xl);
  position: relative;
  z-index: 1;
}

/* Header Styles */
.app-header {
  padding: var(--spacing-6xl) var(--spacing-4xl);
  margin-bottom: var(--spacing-5xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

.header-content {
  margin-bottom: var(--spacing-4xl);
}

.app-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  background: var(--bg-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  letter-spacing: -0.03em;
}

.app-subtitle {
  background: linear-gradient(135deg, #4A5568 0%, #2D3748 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  text-shadow: 0 1px 3px rgba(255, 107, 107, 0.3);
}

.header-nav {
  position: relative;
  z-index: 2;
}

.control-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.control-btn {
  width: 64px;
  height: 64px;
  border: none;
  border-radius: var(--radius-2xl);
  background: linear-gradient(135deg, #FFFFFF 0%, #F8F6F0 100%);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
  box-shadow: var(--shadow-lg);
  font-size: 1.2rem;
  position: relative;
  overflow: hidden;
}

.control-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 217, 61, 0.3), transparent);
  transition: left 0.5s;
}

.control-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-xl);
  border: none;
  background: linear-gradient(135deg, #4ECDC4 0%, #FFD93D 100%);
}

.control-btn:hover::before {
  left: 100%;
}

.control-btn:active {
  transform: translateY(-1px) scale(1.02);
}

.control-btn i {
  background: var(--bg-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: all 0.3s ease;
}

.control-btn:hover i {
  transform: scale(1.1);
  background: linear-gradient(135deg, #FFFFFF 0%, #F8F6F0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.8));
}

/* Animations */
@keyframes titleGlow {
  0% {
    text-shadow: 0 2px 10px rgba(255, 107, 107, 0.3);
  }

  100% {
    text-shadow: 0 2px 20px rgba(255, 217, 61, 0.4), 0 2px 10px rgba(78, 205, 196, 0.3);
  }
}

@keyframes subtitleFade {
  0% {
    opacity: 0.9;
  }

  100% {
    opacity: 1;
  }
}

/* Enhanced Section Styles */
section {
  background-color: var(--primary-light);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-4xl);
  margin-bottom: var(--spacing-3xl);
  box-shadow: var(--shadow-lg);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

section:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-3px);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  border-bottom: none;
  background: var(--bg-dark-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: text;
  margin-bottom: var(--spacing-3xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  letter-spacing: -0.01em;
}

.section-title::before {
  content: '';
  width: 6px;
  height: 36px;
  background: var(--bg-gradient);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.task-creation-section, .controls-section, .task-list-section, 
.statistics-section, .bulk-actions-section{
  margin-top: 48px;
  position: relative;
  overflow: hidden;
}

.task-creation-section::before, .controls-section::before, .statistics-section::before,
.task-list-section::before, .bulk-actions-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: var(--bg-gradient);
  z-index: 1;
}

.task-checkbox {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.task-checkbox:hover {
  border-color: var(--primary-color);
  background: var(--primary-subtle);
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.task-checkbox.checked {
  background: var(--success-color);
  border-color: var(--success-color);
  box-shadow: 0 0 0 3px var(--success-light);
}

.task-checkbox.checked::after {
  content: '✓';
  color: white;
  font-size: 16px;
  font-weight: 700;
}

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

.task-text {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  word-break: break-word;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.task-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
  font-weight: 400;
}

.task-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.priority {
  font-size: 0.8rem;
  font-weight: 700;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
}

.priority-high {
  background: var(--error-light);
  color: var(--error-color);
  border-color: var(--error-color);
}

.priority-medium {
  background: var(--warning-light);
  color: var(--warning-color);
  border-color: var(--warning-color);
}

.priority-low {
  background: var(--success-light);
  color: var(--success-color);
  border-color: var(--success-color);
}

.due-date-info {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.due-date-info.overdue {
  color: var(--error-color);
  background: var(--error-light);
  font-weight: 700;
}

.task-actions {
  display: flex;
  gap: var(--spacing-sm);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.task-item:hover .task-actions {
  opacity: 1;
}

.action-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 16px;
  box-shadow: var(--shadow-xs);
}

.edit-btn {
  background: var(--info-light);
  color: var(--info-color);
  border: 1px solid var(--info-color);
}

.edit-btn:hover {
  background: var(--info-color);
  color: white;
  transform: translateY(-2px) scale(1.1);
  box-shadow: var(--shadow-md);
}

.delete-btn {
  background: var(--error-light);
  color: var(--error-color);
  border: 1px solid var(--error-color);
}

.delete-btn:hover {
  background: var(--error-color);
  color: white;
  transform: translateY(-2px) scale(1.1);
  box-shadow: var(--shadow-md);
}

/* Enhanced Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-4xl) var(--spacing-3xl);
  color: var(--text-muted);
  background: var(--bg-secondary);
  border-radius: var(--radius-2xl);
  border: 2px dashed var(--border-color);
  margin: var(--spacing-3xl) 0;
}

.empty-state i {
  font-size: 5rem;
  margin-bottom: var(--spacing-3xl);
  opacity: 0.6;
  background: var(--bg-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.empty-state h3 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
  font-weight: 700;
}

.empty-state p {
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
  font-weight: 400;
}

/* Enhanced Bulk Actions */
.bulk-actions {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  padding: var(--spacing-xl);
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-3xl);
}

.bulk-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-xs);
}

.bulk-btn:hover:not(:disabled) {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.bulk-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: var(--bg-tertiary);
}

/* Premium Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 107, 107, 0.1);
  backdrop-filter: blur(8px);
  animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-content {
  background: var(--bg-elevated);
  margin: 5% auto;
  padding: 0;
  border-radius: var(--radius-2xl);
  width: 90%;
  max-width: 600px;
  box-shadow: var(--shadow-2xl);
  animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-3xl) var(--spacing-4xl);
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.modal-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.01em;
}

.close-btn {
  width: 44px;
  height: 44px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 18px;
}

.close-btn:hover {
  background: var(--error-color);
  color: white;
  transform: scale(1.1);
}

.modal-body {
  padding: var(--spacing-4xl);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-lg);
  padding: var(--spacing-3xl) var(--spacing-4xl);
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.cancel-btn {
  padding: var(--spacing-md) var(--spacing-2xl);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.cancel-btn:hover {
  border-color: var(--error-color);
  color: var(--error-color);
  transform: translateY(-1px);
}

.save-btn {
  padding: var(--spacing-md) var(--spacing-2xl);
  border: none;
  border-radius: var(--radius-md);
  background: var(--bg-gradient);
  color: white;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
}

.save-btn:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--shadow-lg);
}

/* Enhanced Notification Styles */
.notification {
  position: fixed;
  top: var(--spacing-3xl);
  right: var(--spacing-3xl);
  padding: var(--spacing-xl) var(--spacing-3xl);
  border-radius: var(--radius-xl);
  color: white;
  font-weight: 600;
  z-index: 1001;
  transform: translateX(400px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-xl);
  max-width: 400px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(16px);
}

.notification.show {
  transform: translateX(0);
}

.notification.success {
  background: linear-gradient(135deg, var(--success-color), #4CAF50);
}

.notification.error {
  background: linear-gradient(135deg, var(--error-color), #F44336);
}

.notification.info {
  background: linear-gradient(135deg, var(--info-color), #2196F3);
}

/* Enhanced Animation Classes */
.slide-in {
  animation: slideInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enhanced Keyframes */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideIn {
  from {
    transform: translateY(-40px) scale(0.95);
    opacity: 0;
  }

  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

@keyframes slideInUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

/* Enhanced Utility Classes */
.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;
}

/* Enhanced Responsive Design */
@media (max-width: 1024px) {
  .container {
    padding: var(--spacing-2xl);
  }

  .form-row {
    gap: var(--spacing-2xl);
  }

  .main-input-wrapper {
    min-width: 300px;
  }

  .stats {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .container {
    padding: var(--spacing-xl);
  }

  .app-header {
    flex-direction: column;
    gap: var(--spacing-3xl);
    text-align: center;
    padding: var(--spacing-3xl);
  }

  .app-title {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
    justify-content: center;
  }

  .control-list {
    justify-content: center;
  }

  section {
    padding: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
  }

  .form-row {
    flex-direction: column;
    gap: var(--spacing-xl);
  }

  .main-input-wrapper {
    min-width: auto;
  }

  .form-group {
    min-width: auto;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

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

  .task-item {
    padding: var(--spacing-2xl);
    gap: var(--spacing-lg);
  }

  .task-actions {
    opacity: 1;
  }

  .bulk-actions {
    flex-direction: column;
  }

  .bulk-btn {
    justify-content: center;
  }

  .filter-buttons {
    justify-content: center;
  }

  .sort-options {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
  }

  .modal-content {
    margin: 10% auto;
    width: 95%;
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--spacing-2xl);
  }

  .notification {
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    left: var(--spacing-lg);
    max-width: none;
    transform: translateY(-100px);
  }

  .notification.show {
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .container {
    padding: var(--spacing-lg);
  }

  .app-title {
    font-size: clamp(1.5rem, 8vw, 2rem);
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .stats {
    grid-template-columns: 1fr;
  }

  .task-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xl);
  }

  .task-checkbox {
    align-self: flex-start;
  }

  .task-actions {
    align-self: flex-end;
    width: 100%;
    justify-content: flex-end;
  }

  .task-meta {
    justify-content: flex-start;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--spacing-xl);
  }
}

/* Enhanced Print Styles */
@media print {

  .background-animation,
  .header-nav,
  .controls-section,
  .bulk-actions-section,
  .task-actions,
  .modal {
    display: none !important;
  }

  body {
    background: white !important;
    color: black !important;
  }

  .container {
    max-width: none;
    padding: 0;
  }

  section {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
    margin-bottom: 1rem;
    background: white;
  }

  .task-item {
    break-inside: avoid;
    border: 1px solid #ddd;
    box-shadow: none;
    background: white;
  }
}

/* Enhanced High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --text-primary: #000000;
    --bg-primary: #ffffff;
  }

  .task-item {
    border-width: 3px;
  }

  .filter-btn,
  .bulk-btn {
    border-width: 3px;
  }
}

/* Enhanced Reduced Motion */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .floating-shape {
    animation: none;
  }

  .background-animation {
    display: none;
  }
}

/* Enhanced Focus Styles for Accessibility */
*:focus {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

.task-checkbox:focus,
.control-btn:focus,
.filter-btn:focus,
.action-btn:focus {
  outline: 3px solid var(--primary-color);
  outline-offset: 3px;
}

/* Enhanced Grid View for Tasks */
.task-list.grid-view {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.task-list.grid-view .task-item {
  flex-direction: column;
  align-items: flex-start;
  height: auto;
  min-height: 180px;
}

.task-list.grid-view .task-actions {
  opacity: 1;
  align-self: flex-end;
  width: 100%;
  justify-content: flex-end;
  margin-top: auto;
}

/* Enhanced Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border: 3px solid var(--primary-color);
  border-top: 3px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

  100% {
    transform: rotate(360deg);
  }
}

/* Enhanced Custom Scrollbar */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-md);
  border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Enhanced Selection Styles */
::selection {
  background: var(--primary-light);
  color: var(--primary-color);
}

::-moz-selection {
  background: var(--primary-light);
  color: var(--primary-color);
}

/* Enhanced Dragging States */
.task-item.dragging {
  opacity: 0.7;
  transform: rotate(3deg) scale(1.05);
  z-index: 1000;
  box-shadow: var(--shadow-2xl);
}

.task-list.drag-over {
  background: var(--primary-subtle);
  border-radius: var(--radius-xl);
  border: 2px dashed var(--primary-color);
}

/* Category-specific Border Colors - Updated with new palette */
.task-item[data-category="work"] {
  border-left: 6px solid #FF6B6B;
}

.task-item[data-category="personal"] {
  border-left: 6px solid #4ECDC4;
}

.task-item[data-category="shopping"] {
  border-left: 6px solid #FFD93D;
}

.task-item[data-category="health"] {
  border-left: 6px solid #4CAF50;
}

.task-item[data-category="learning"] {
  border-left: 6px solid #2196F3;
}

/* Enhanced Voice Input States */
.voice-btn.recording {
  background: var(--error-color);
  color: white;
  animation: pulse 1s infinite;
  box-shadow: 0 0 20px var(--error-color);
}

.voice-btn.processing {
  background: var(--warning-color);
  color: white;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }

  50% {
    transform: scale(1.1);
    opacity: 0.7;
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Enhanced Task Completion Animation */
.task-item.completing {
  animation: completionPulse 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes completionPulse {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
    background: var(--success-light);
    border-color: var(--success-color);
  }

  100% {
    transform: scale(1);
  }
}

/* Enhanced Progressive Enhancement */
.no-js .task-actions {
  opacity: 1;
}

.no-js .background-animation {
  display: none;
}

/* Enhanced Hover Effects */
.task-item:hover .task-text {
  color: var(--primary-color);
  transition: color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enhanced Accessibility for Keyboard Navigation */
.task-item:focus-within {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

.task-item:focus-within .task-actions {
  opacity: 1;
}

/* Enhanced Form Validation Styles */
.form-group input:invalid,
.form-group textarea:invalid,
.form-group select:invalid {
  border-color: var(--error-color);
  box-shadow: 0 0 0 3px var(--error-light);
}

.form-group input:invalid:focus,
.form-group textarea:invalid:focus,
.form-group select:invalid:focus {
  box-shadow: 0 0 0 4px var(--error-light), var(--shadow-md);
}

/* Success States */
.form-group input:valid,
.form-group textarea:valid,
.form-group select:valid {
  border-color: var(--success-color);
}

/* Micro-interactions */
.add-btn:active {
  transform: translateY(-1px) scale(0.98);
}

.filter-btn:active {
  transform: translateY(0) scale(0.95);
}

.control-btn:active {
  transform: translateY(-1px) scale(0.95);
}

/* Enhanced Typography Scale */
h1,
.text-4xl {
  font-size: 2.25rem;
  font-weight: 800;
}

h2,
.text-3xl {
  font-size: 1.875rem;
  font-weight: 700;
}

h3,
.text-2xl {
  font-size: 1.5rem;
  font-weight: 600;
}

h4,
.text-xl {
  font-size: 1.25rem;
  font-weight: 600;
}

h5,
.text-lg {
  font-size: 1.125rem;
  font-weight: 500;
}

h6,
.text-base {
  font-size: 1rem;
  font-weight: 500;
}

/* Final Professional Polish */
.glass-effect {
  background: var(--glassmorphism);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glassmorphism-border);
}

.premium-shadow {
  box-shadow: var(--shadow-xl);
}

.premium-gradient {
  background: var(--bg-gradient);
}

.text-gradient {
  background: var(--bg-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}



/* Premium Form Styles */
.add-task-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3xl);
}

.task-form-fieldset {
  border: none;
  padding: 10px;
}

.form-row {
  display: flex;
  gap: var(--spacing-3xl);
  flex-wrap: wrap;
  align-items: end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  min-width: 200px;
  flex: 1;
}

.main-input-wrapper {
  position: relative;
  flex: 2;
  min-width: 350px;
}

.form-group label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: var(--spacing-lg) var(--spacing-xl);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
  box-shadow: var(--shadow-xs);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px var(--primary-light), var(--shadow-md);
  transform: translateY(-2px);
  background: var(--bg-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-placeholder);
  font-weight: 400;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
  font-family: inherit;
  line-height: 1.6;
}

.help-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
  font-weight: 400;
}

.voice-btn {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-xs);
}

.voice-btn:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-50%) scale(1.1);
  box-shadow: var(--shadow-md);
}

.add-btn {
  background: var(--bg-gradient);
  color: white;
  border: none;
  padding: var(--spacing-lg) var(--spacing-3xl);
  border-radius: var(--radius-xl);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-md);
  margin-top: var(--spacing-3xl);
  letter-spacing: 0.01em;
  align-self: flex-start;
}

.add-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.add-btn i{
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.add-btn:hover i{
  transform: translateX(-3px);
}

.add-btn:active {
  transform: translateY(-1px) scale(1.01);
}

/* Enhanced Search and Filter Styles */
.search-bar {
  position: relative;
  margin-bottom: var(--spacing-3xl);
}

.search-bar i {
  position: absolute;
  left: var(--spacing-xl);
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary-color);
  font-size: 18px;
}

.search-bar input {
  width: 100%;
  padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-lg) 60px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-xl);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
  box-shadow: var(--shadow-sm);
}

.search-bar input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px var(--primary-light), var(--shadow-lg);
  transform: translateY(-2px);
}

.filter-section {
  margin-bottom: var(--spacing-3xl);
}

.filter-fieldset {
  border: none;
  padding: 0;
}

.filter-fieldset legend {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
  font-size: 1.1rem;
}

.filter-buttons {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  box-shadow: var(--shadow-xs);
}

.filter-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.filter-btn.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.category-filter {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: 250px;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.category-filter label {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 700;
}

.category-filter select {
  padding: var(--spacing-md);
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
  font-size: 14px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--primary-color);
  background-color: var(--glassmorphism);
  color: var(--text-secondary);
  outline: none;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

.category-filter select:focus {
  border-color: var(--primary-hover);
  box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.3);
}


.sort-options {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.sort-options label {
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  font-size: 0.95rem;
}

.sort-options select {
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 500;
  box-shadow: var(--shadow-xs);
}

.sort-options select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* Enhanced Statistics Styles */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-4xl);
}

.stat-item {
  text-align: center;
  padding: var(--spacing-3xl);
  background: var(--bg-elevated);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--bg-gradient);
}

.stat-item:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--bg-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.productivity-insights h3 {
  font-size: 1.4rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-weight: 700;
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-xl);
}

.insight-card {
  text-align: center;
  padding: var(--spacing-2xl);
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-xs);
}

.insight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--secondary-color);
}

.insight-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-sm);
}

.insight-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Premium Task List Styles */
.task-list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-3xl);
}

.task-list-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.view-toggles {
  display: flex;
  gap: var(--spacing-sm);
  background: var(--bg-secondary);
  padding: var(--spacing-xs);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.view-btn {
  width: 44px;
  height: 44px;
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 16px;
}

.view-btn:hover {
  color: var(--primary-color);
  background: var(--bg-elevated);
}

.view-btn.active {
  background: var(--primary-color);
  color: white;
  box-shadow: var(--shadow-sm);
}

/* Enhanced Task Item Styles */
.task-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.task-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-3xl);
  background: var(--bg-elevated);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-xl);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.task-item:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px) scale(1.01);
}

.task-item:hover::before {
  opacity: 1;
}

.task-item.completed {
  opacity: 0.75;
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

.task-item.completed::before {
  background: var(--success-color);
}

.task-item.completed .task-text {
  text-decoration: line-through;
  color: var(--text-muted);
}