/* Recipe Scaling Calculator Stylesheet */
/* Clean version with double-class specificity fix */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Poppins:wght@300;400;500;600;700&display=swap');

/* Root Variables */
:root {
  --primary-orange: #FF6B35;
  --orange-hover: #E85A29;
  --orange-light: #FFF3ED;
  --light-bg: #FAFBFC;
  --text-dark: #2C3E50;
  --text-medium: #4A5568;
  --text-light: #718096;
  --white: #FFFFFF;
  --success-green: #10B981;
  --border-light: #E2E8F0;
  --border-medium: #CBD5E0;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
}

/* Global Resets */
.recipe-scaler-container.recipe-scaler-container * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Main Container */
.recipe-scaler-container.recipe-scaler-container {
  font-family: 'Poppins', sans-serif;
  color: var(--text-dark);
  max-width: 1240px;
  margin: 0 auto;
  padding: 24px;
  background-color: transparent;
}

/* Header Section */
.recipe-scaler-header.recipe-scaler-header {
  text-align: center;
  margin-bottom: 48px;
  padding: 0 20px;
}

.recipe-scaler-header.recipe-scaler-header h1 {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.recipe-scaler-header.recipe-scaler-header .subtitle {
  font-size: 1.125rem;
  color: var(--text-medium);
  font-weight: 400;
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Tool Wrapper */
.tool-wrapper.tool-wrapper {
  background-color: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  padding: 56px;
  margin-bottom: 80px;
  border: 1px solid rgba(255, 107, 53, 0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tool-wrapper.tool-wrapper:hover {
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.12);
}

/* Grid Layout */
.scaler-grid.scaler-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

/* Input Section */
.input-section.input-section {
  position: relative;
}

.input-section.input-section label {
  display: block;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-dark);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.ingredient-textarea.ingredient-textarea {
  width: 100%;
  min-height: 420px;
  padding: 24px;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  color: var(--text-dark);
  resize: vertical;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  line-height: 2;
  background-color: var(--light-bg);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

.ingredient-textarea.ingredient-textarea:focus {
  outline: none;
  border-color: var(--primary-orange);
  background-color: var(--white);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1), inset 0 2px 4px rgba(0, 0, 0, 0.02);
  transform: translateY(-1px);
}

.ingredient-textarea.ingredient-textarea::placeholder {
  color: var(--text-light);
  opacity: 0.8;
  line-height: 2;
}

.input-actions.input-actions {
  margin-top: 20px;
  display: flex;
  gap: 12px;
}

/* Clear Button - Double class for specificity (0,2,0) */
.btn-clear.btn-clear {
  padding: 12px 24px;
  background-color: var(--white);
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-sm);
  font-family: 'Poppins', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-medium);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-transform: none;
  letter-spacing: normal;
  line-height: normal;
  text-decoration: none;
}

.btn-clear.btn-clear:hover {
  background-color: var(--light-bg);
  border-color: var(--text-medium);
  transform: translateY(-1px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

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

/* Controls Section */
.controls-section.controls-section {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.controls-section.controls-section label {
  display: block;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-dark);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

/* Tabs Container */
.scaling-tabs.scaling-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 4px;
  background-color: var(--light-bg);
  padding: 6px;
  border-radius: var(--radius-md);
}

/* Tab Buttons - Double class for specificity (0,2,0) */
.tab-btn.tab-btn {
  flex: 1;
  padding: 14px 24px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Poppins', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-medium);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  text-transform: none;
  letter-spacing: normal;
  line-height: normal;
  text-decoration: none;
}

.tab-btn.tab-btn.active {
  background-color: var(--white);
  color: var(--primary-orange);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.tab-btn.tab-btn:hover:not(.active) {
  color: var(--text-dark);
  background-color: rgba(255, 255, 255, 0.5);
}

/* Tab Content */
.tab-content.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Multiplier Buttons Container */
.multiplier-buttons.multiplier-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

/* Multiplier Buttons - Double class for specificity (0,2,0) */
.multiplier-btn.multiplier-btn {
  padding: 18px 24px;
  background-color: var(--light-bg);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  font-family: 'Poppins', sans-serif;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  text-transform: none;
  letter-spacing: normal;
  line-height: normal;
  text-decoration: none;
}

.multiplier-btn.multiplier-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 107, 53, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.4s ease, height 0.4s ease;
}

.multiplier-btn.multiplier-btn:hover::before {
  width: 300px;
  height: 300px;
}

.multiplier-btn.multiplier-btn:hover {
  background-color: var(--white);
  border-color: var(--primary-orange);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
  color: var(--primary-orange);
}

.multiplier-btn.multiplier-btn.active {
  background: linear-gradient(135deg, var(--primary-orange) 0%, var(--orange-hover) 100%);
  border-color: var(--primary-orange);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.multiplier-btn.multiplier-btn.active:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 107, 53, 0.4);
}

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

/* Custom Multiplier Input */
.custom-multiplier.custom-multiplier {
  margin-top: 16px;
}

.custom-multiplier.custom-multiplier input {
  width: 100%;
  padding: 18px 20px;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  color: var(--text-dark);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background-color: var(--light-bg);
  font-weight: 500;
}

.custom-multiplier.custom-multiplier input:hover {
  border-color: var(--border-medium);
  background-color: var(--white);
}

.custom-multiplier.custom-multiplier input:focus {
  outline: none;
  border-color: var(--primary-orange);
  background-color: var(--white);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1);
  transform: translateY(-1px);
}

/* Servings Controls */
.servings-inputs.servings-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.servings-input-group.servings-input-group {
  display: flex;
  flex-direction: column;
}

.servings-input-group.servings-input-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.servings-input-group.servings-input-group input {
  padding: 18px 20px;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  color: var(--text-dark);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background-color: var(--light-bg);
  font-weight: 500;
}

.servings-input-group.servings-input-group input:hover {
  border-color: var(--border-medium);
  background-color: var(--white);
}

.servings-input-group.servings-input-group input:focus {
  outline: none;
  border-color: var(--primary-orange);
  background-color: var(--white);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1);
  transform: translateY(-1px);
}

.calculated-multiplier.calculated-multiplier {
  margin-top: 20px;
  padding: 18px 24px;
  background: linear-gradient(135deg, var(--orange-light) 0%, rgba(255, 243, 237, 0.5) 100%);
  border-radius: var(--radius-md);
  text-align: center;
  font-size: 0.9375rem;
  color: var(--text-medium);
  border: 1px solid rgba(255, 107, 53, 0.15);
  font-weight: 500;
}

.calculated-multiplier.calculated-multiplier strong {
  color: var(--primary-orange);
  font-size: 1.5rem;
  font-weight: 700;
  display: block;
  margin-top: 4px;
}

/* Options Container */
.scaling-options.scaling-options {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  background-color: var(--light-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.option-checkbox.option-checkbox {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.option-checkbox.option-checkbox:hover {
  background-color: rgba(255, 255, 255, 0.6);
}

.option-checkbox.option-checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  min-width: 20px;
  min-height: 20px;
  cursor: pointer;
  accent-color: var(--primary-orange);
  border-radius: 4px;
  flex-shrink: 0;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  border: 2px solid var(--border-medium);
  background-color: var(--white);
  position: relative;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.option-checkbox.option-checkbox input[type="checkbox"]:hover {
  border-color: var(--primary-orange);
}

.option-checkbox.option-checkbox input[type="checkbox"]:checked {
  background-color: var(--primary-orange);
  border-color: var(--primary-orange);
}

.option-checkbox.option-checkbox input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2.5px 2.5px 0;
  transform: rotate(45deg);
}

.option-checkbox.option-checkbox label {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-medium);
  line-height: 1.5;
  flex: 1;
}

/* Action Buttons Container */
.action-buttons.action-buttons {
  display: flex;
  gap: 14px;
  margin-top: 12px;
}

/* Primary CTA Button - Double class for specificity (0,2,0) */
.btn-primary.btn-primary {
  flex: 1;
  padding: 20px 36px;
  background: linear-gradient(135deg, var(--primary-orange) 0%, var(--orange-hover) 100%);
  border: none;
  border-radius: var(--radius-md);
  font-family: 'Poppins', sans-serif;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--white);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.02em;
  text-transform: none;
  line-height: normal;
  text-decoration: none;
}

.btn-primary.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 0.5s ease;
}

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

.btn-primary.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.btn-primary.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
}

/* Secondary Button - Double class for specificity (0,2,0) */
.btn-secondary.btn-secondary {
  padding: 20px 32px;
  background-color: var(--white);
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-family: 'Poppins', sans-serif;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-transform: none;
  letter-spacing: normal;
  line-height: normal;
  text-decoration: none;
}

.btn-secondary.btn-secondary:hover {
  background-color: var(--light-bg);
  border-color: var(--text-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
}

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

/* Results Section */
.results-section.results-section {
  margin-top: 48px;
  display: none;
  animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.results-section.results-section.active {
  display: block;
}

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

.results-header.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--border-light);
}

.results-header.results-header h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: -0.01em;
}

.scale-indicator.scale-indicator {
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--primary-orange) 0%, var(--orange-hover) 100%);
  color: var(--white);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9375rem;
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.25);
  letter-spacing: 0.02em;
}

.scaled-ingredients.scaled-ingredients {
  background: linear-gradient(135deg, var(--light-bg) 0%, rgba(250, 251, 252, 0.5) 100%);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  min-height: 240px;
}

.scaled-ingredients.scaled-ingredients ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.scaled-ingredients.scaled-ingredients li {
  padding: 16px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-dark);
  font-weight: 500;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.scaled-ingredients.scaled-ingredients li:hover {
  padding-left: 8px;
  color: var(--primary-orange);
}

.scaled-ingredients.scaled-ingredients li:last-child {
  border-bottom: none;
}

.scaled-ingredients.scaled-ingredients li strong {
  color: var(--primary-orange);
  font-weight: 700;
}

/* Result Actions Container */
.result-actions.result-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Result Action Buttons - Double class for specificity (0,2,0) */
.btn-result-action.btn-result-action {
  padding: 14px 28px;
  background-color: var(--white);
  border: 2px solid var(--primary-orange);
  border-radius: var(--radius-md);
  font-family: 'Poppins', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--primary-orange);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  gap: 10px;
  text-transform: none;
  letter-spacing: normal;
  line-height: normal;
  text-decoration: none;
}

.btn-result-action.btn-result-action:hover {
  background: linear-gradient(135deg, var(--primary-orange) 0%, var(--orange-hover) 100%);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.btn-result-action.btn-result-action:hover svg {
  transform: scale(1.1);
}

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

.btn-result-action.btn-result-action svg {
  width: 18px;
  height: 18px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Success Message */
.success-message.success-message {
  display: none;
  padding: 16px 24px;
  background: linear-gradient(135deg, var(--success-green) 0%, #059669 100%);
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-top: 16px;
  animation: slideDown 0.3s ease;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.success-message.success-message.active {
  display: block;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Error Message */
.error-message.error-message {
  display: none;
  padding: 16px 24px;
  background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-top: 16px;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

.error-message.error-message.active {
  display: block;
  animation: slideDown 0.3s ease;
}

/* Tablet Responsive */
@media (max-width: 1023px) {
  .recipe-scaler-header.recipe-scaler-header h1 {
    font-size: 2.5rem;
  }

  .tool-wrapper.tool-wrapper {
    padding: 44px 36px;
  }

  .scaler-grid.scaler-grid {
    gap: 36px;
  }

  .ingredient-textarea.ingredient-textarea {
    min-height: 380px;
  }
}

/* Mobile Responsive */
@media (max-width: 767px) {
  .recipe-scaler-container.recipe-scaler-container {
    padding: 20px 16px;
    max-width: 100%;
  }

  .recipe-scaler-header.recipe-scaler-header {
    margin-bottom: 36px;
    padding: 0;
  }

  .recipe-scaler-header.recipe-scaler-header h1 {
    font-size: 2.25rem;
    line-height: 1.2;
  }

  .recipe-scaler-header.recipe-scaler-header .subtitle {
    font-size: 1.0625rem;
  }

  .tool-wrapper.tool-wrapper {
    padding: 28px 20px;
    margin-bottom: 60px;
  }

  .scaler-grid.scaler-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .ingredient-textarea.ingredient-textarea {
    min-height: 320px;
    font-size: 0.9375rem;
    padding: 20px;
  }

  .multiplier-buttons.multiplier-buttons {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .multiplier-btn.multiplier-btn {
    padding: 16px 20px;
    font-size: 1rem;
  }

  .servings-inputs.servings-inputs {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .action-buttons.action-buttons {
    flex-direction: column;
    gap: 12px;
  }

  .btn-primary.btn-primary,
  .btn-secondary.btn-secondary {
    width: 100%;
    padding: 18px 28px;
  }

  .results-header.results-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .results-header.results-header h3 {
    font-size: 1.5rem;
  }

  .scaled-ingredients.scaled-ingredients {
    padding: 24px 20px;
  }

  .scaled-ingredients.scaled-ingredients li {
    font-size: 0.9375rem;
    padding: 14px 0;
  }

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

  .btn-result-action.btn-result-action {
    width: 100%;
    justify-content: center;
    padding: 16px 24px;
  }
}

/* Print Styles */
@media print {
  .input-section.input-section,
  .controls-section.controls-section,
  .action-buttons.action-buttons,
  .result-actions.result-actions {
    display: none !important;
  }

  .results-section.results-section {
    display: block !important;
  }
}

/* Accessibility */
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--primary-orange);
  outline-offset: 2px;
}