/**
 * BlueCart Shopping List Page - Premium Experience
 * Shopping list creation and management styles using unified premium design
 */

/* ================================
   SHOPPING LIST HERO SECTION
   ================================ */

.shopping-list-hero {
  background: var(--gradient-primary);
  padding: var(--spacing-20) 0 var(--spacing-16);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--spacing-8);
}

.shopping-list-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1) 25%, transparent 25%),
              linear-gradient(-45deg, rgba(255, 255, 255, 0.1) 25%, transparent 25%),
              linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.1) 75%),
              linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.1) 75%);
  background-size: 30px 30px;
  background-position: 0 0, 0 15px, 15px -15px, -15px 0px;
  opacity: 0.3;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-8);
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  color: var(--text-light-secondary);
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--radius-2xl);
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-8);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-black);
  color: white;
  margin-bottom: var(--spacing-6);
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-light-secondary);
  margin-bottom: var(--spacing-12);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-8);
  max-width: 800px;
  margin: 0 auto;
}

.hero-features .feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-3);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  padding: var(--spacing-8) var(--spacing-4);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-features .feature-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
}

.hero-features .feature-icon {
  font-size: var(--font-size-3xl);
}

.hero-features .feature-text {
  color: white;
  font-weight: 600;
  font-size: var(--font-size-base);
}

/* ========================================
   SHOPPING LIST PAGE LAYOUT
   ======================================== */

.shopping-list-page {
  background: var(--slate-50);
  min-height: 100vh;
  /* Removed padding-top to avoid double spacing with sticky navbar */
}

.shopping-list-container {
  max-width: var(--container-xl);
  margin: -60px auto 0;
  padding: var(--spacing-12) var(--spacing-6);
  background: var(--bg-primary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  position: relative;
  overflow: hidden;
  z-index: 10;
}

.shopping-list-container.bg-gradient-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--gradient-primary);
}

/* ========================================
   SHOPPING LIST HEADER
   ======================================== */

.shopping-list-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  text-align: center;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--spacing-4);
  animation: float 3s ease-in-out infinite;
}

.shopping-list-subtitle {
  font-size: var(--font-size-lg);
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-8);
  line-height: 1.5;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* ========================================
   FORM SECTIONS
   ======================================== */

.form-section {
  margin-bottom: var(--spacing-8);
  padding: var(--spacing-8);
  background: white;
  border-radius: var(--radius-2xl);
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
  animation: fadeInUp 0.6s ease-out calc(var(--section-index, 0) * 0.1s) both;
  position: relative;
  overflow: hidden;
}

.form-section:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--bluecart-primary);
}

.form-section h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-black);
  color: var(--bluecart-primary-dark);
  margin-bottom: var(--spacing-6);
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  position: relative;
}

.form-section h3::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 0;
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
}

.form-section label {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
  margin-top: var(--spacing-4);
  font-size: var(--font-size-base);
}

.form-section label:first-of-type {
  margin-top: 0;
}

/* ========================================
   FORM INPUTS
   ======================================== */

.form-section input,
.form-section select,
.form-section textarea {
  width: 100%;
  padding: var(--spacing-4) var(--spacing-5);
  border: 1px solid var(--slate-200);
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-base);
  background: var(--bg-primary);
  transition: var(--transition-fast);
  box-shadow: var(--shadow-sm);
  font-family: inherit;
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}

.form-section input:focus,
.form-section select:focus,
.form-section textarea:focus {
  outline: none;
  border-color: var(--bluecart-primary);
  box-shadow: var(--shadow-focus);
  transform: translateY(-1px);
  background: var(--bg-primary);
}

.form-section textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
}

.form-section select {
  cursor: pointer;
  background-image: var(--icon-chevron-down);
  background-position: right var(--spacing-4) center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: var(--spacing-12);
}

.form-section input::placeholder,
.form-section textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.8;
}

/* ========================================
   SHOPPING LIST ITEMS
   ======================================== */

.shopping-list-items {
  margin-bottom: var(--spacing-5);
}

.item-input-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-3);
  padding: var(--spacing-4);
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--slate-100);
  transition: var(--transition-fast);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.item-input-group:hover {
  border-color: var(--bluecart-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.item-number {
  background: var(--gradient-primary);
  color: var(--text-light);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.shopping-list-item {
  flex: 1;
  border: none !important;
  background: transparent;
  font-size: var(--font-size-base);
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--border-radius);
  transition: var(--transition-fast);
  box-shadow: none !important;
}

.shopping-list-item:focus {
  outline: none;
  background: var(--bluecart-primary-light);
  box-shadow: 0 0 0 2px var(--bluecart-primary-alpha) !important;
}

/* ========================================
   ACTION BUTTONS
   ======================================== */

.remove-item-btn {
  background: rgba(231, 76, 60, 0.08);
  color: var(--bluecart-danger);
  border: 1px solid rgba(231,76,60,0.12);
  border-radius: var(--border-radius);
  padding: var(--spacing-2) var(--spacing-3);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: var(--transition-fast);
  flex: none;
}

.remove-item-btn:hover {
  background: var(--bluecart-danger);
  color: var(--text-light);
  transform: scale(1.05);
}

.add-item-btn {
  background: var(--bluecart-primary-light);
  color: var(--bluecart-primary);
  border: 1px solid var(--bluecart-primary);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-3) var(--spacing-5);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  width: 100%;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.add-item-btn:hover {
  background: var(--bluecart-primary);
  color: var(--text-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.add-item-btn:active {
  transform: translateY(0) scale(0.98);
}

/* ========================================
   PRIMARY ACTIONS - SHOPPING LIST SPECIFIC
   ======================================== */

/* 
  REMOVED: Duplicate .btn-primary definition
  The shopping list now uses master.css .btn-primary as base
  Page-specific modifications applied via .shopping-list-page .btn-primary
*/

/* Shopping list specific button enhancements */
.shopping-list-page .btn-primary {
  width: 100%;
  margin-top: var(--spacing-8);
  min-height: 56px;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
}

.shopping-list-page .btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s ease;
}

.shopping-list-page .btn-primary:hover::before {
  left: 100%;
}

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

.shopping-list-page .btn-primary.loading {
  background: rgba(46,134,193,0.08);
  cursor: not-allowed;
  position: relative;
  color: transparent;
  pointer-events: none;
}

.shopping-list-page .btn-primary.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid var(--text-light);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* ========================================
   FEEDBACK MESSAGES
   ======================================== */

.shopping-list-error {
  background: var(--bluecart-danger);
  color: var(--bluecart-danger);
  padding: var(--spacing-4);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-4);
  border-left: 4px solid var(--bluecart-danger);
  display: none;
  animation: slideInFromLeft 0.3s ease-out;
}

.shopping-list-message {
  background: var(--bluecart-success);
  color: var(--bluecart-success);
  padding: var(--spacing-4);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-4);
  border-left: 4px solid var(--bluecart-success);
  display: none;
  animation: slideInFromLeft 0.3s ease-out;
}

.shopping-list-error.show,
.shopping-list-message.show {
  display: block;
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* ========================================
   DYNAMIC CONTENT
   ======================================== */

.item-input-group.new-item {
  animation: fadeInScale 0.4s ease-out;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
  .shopping-list-container {
    margin: var(--spacing-4) var(--spacing-2);
    padding: var(--spacing-6) var(--spacing-4);
  }
  
  .shopping-list-title {
    font-size: var(--font-size-3xl);
  }
  
  .shopping-list-subtitle {
    font-size: var(--font-size-base);
  }
  
  .form-section {
    padding: var(--spacing-5) var(--spacing-4);
  }
  
  .form-section h3 {
    font-size: var(--font-size-lg);
  }
  
  .item-input-group {
    flex-direction: column;
    gap: var(--spacing-3);
    align-items: stretch;
  }
  
  .item-number {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-xs);
    align-self: center;
  }
  
  .remove-item-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .shopping-list-container {
    margin: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-3);
  }
  
  .shopping-list-title {
    font-size: var(--font-size-2xl);
  }
  
  .form-section {
    padding: var(--spacing-4) var(--spacing-3);
    margin-bottom: var(--spacing-5);
  }
  
  .form-section h3 {
    font-size: var(--font-size-base);
  }
  
  .btn-primary,
  .add-item-btn {
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-base);
    min-height: 44px;
  }
}

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

.add-item-btn:focus,
.btn-primary:focus,
.remove-item-btn:focus {
  outline: 2px solid var(--bluecart-focus);
  outline-offset: 2px;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .shopping-list-container,
  .form-section,
  .item-input-group,
  .shopping-list-title {
    animation: none;
  }
  
  .add-item-btn:hover,
  .btn-primary:hover,
  .form-section:hover {
    transform: none;
  }
}

.shopping-list {
  padding: var(--spacing-6);
}

.list-item {
  border: 1px solid var(--slate-200);
  background: var(--bg-primary);
}

.list-item .badge {
  background: var(--bluecart-primary);
  color: var(--text-light);
}

.list-item .muted {
  color: var(--text-muted);
}