/* CSS Variables for Premium Design System */
:root {
  --bg-color: #0b0d0c;
  --surface-color: rgba(25, 28, 27, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --text-primary: #f5f2eb;
  --text-secondary: #a9b3ad;
  --accent-color: #c5a880; /* Warm Gold */
  --accent-green: #3d8c6b; /* Soft Sage Green */
  --accent-red: #d36a5a;
  --accent-hover: #b4966e;
  --card-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --container-max-width: 1100px;
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-color: #faf9f6;
  --surface-color: rgba(255, 255, 255, 0.95);
  --border-color: rgba(0, 0, 0, 0.08);
  --text-primary: #1c1f1d;
  --text-secondary: #606b64;
  --accent-color: #aa8652;
  --accent-green: #2a664e;
  --accent-red: #ba4f40;
  --accent-hover: #8f6d3f;
  --card-shadow: 0 16px 32px rgba(0, 0, 0, 0.06);
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color 0.4s, color 0.4s;
  background-image: radial-gradient(circle at 10% 20%, rgba(61, 140, 107, 0.03) 0%, transparent 40%),
                    radial-gradient(circle at 90% 80%, rgba(197, 168, 128, 0.03) 0%, transparent 40%);
  background-attachment: fixed;
}

/* Header & Navigation */
.app-header {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.top-nav {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 2.5rem;
  min-height: 80px;
}

.header-center-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
}

.main-cook-title {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-color);
  line-height: 1;
}

.edward-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.edward-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

.edward-link:hover {
  color: var(--accent-color);
  border-bottom-color: var(--accent-color);
}

.theme-btn {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: 1px solid var(--border-color);
  cursor: pointer;
  padding: 0.6rem;
  border-radius: 50%;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.theme-btn:hover {
  background: var(--border-color);
  transform: translateY(-50%) scale(1.05);
}

.theme-btn svg {
  width: 18px;
  height: 18px;
}

.sun-icon {
  display: none;
}

[data-theme="light"] .sun-icon {
  display: block;
}

[data-theme="light"] .moon-icon {
  display: none;
}

/* App Main Container */
.app-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem 3rem 1.5rem;
}

/* Recipe Selector Section */
.recipe-selector {
  margin-bottom: 2.5rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

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

.tabs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.recipe-tab {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: 12px;
  cursor: pointer;
  text-align: left;
  display: flex;
  gap: 1.25rem;
  align-items: center;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--card-shadow);
}

.recipe-tab:hover {
  border-color: var(--accent-color);
  transform: translateY(-4px);
}

.recipe-tab.active {
  border-color: var(--accent-green);
  background: linear-gradient(135deg, var(--surface-color) 0%, rgba(61, 140, 107, 0.1) 100%);
  box-shadow: 0 8px 24px rgba(61, 140, 107, 0.15);
}

.recipe-tab-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-color);
  opacity: 0.8;
}


.recipe-tab-info h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.recipe-tab-info p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}


/* Recipe details card */
.recipe-details-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: fadeIn 0.5s ease-out;
  transition: opacity 0.25s ease-out, transform 0.25s ease-out;
  opacity: 1;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.loading {
  padding: 4rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.2rem;
}

/* Hero Section inside Details */
.recipe-hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  border-bottom: 1px solid var(--border-color);
}

.recipe-hero-image-wrapper {
  position: relative;
  min-height: 380px;
  background-color: #1a1e1b;
}

.recipe-hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.recipe-hero-meta {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.recipe-badge {
  display: inline-block;
  background: rgba(61, 140, 107, 0.15);
  color: var(--accent-green);
  padding: 0.35rem 0.8rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  align-self: flex-start;
}

.recipe-title {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.recipe-description {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.recipe-quick-stats {
  display: flex;
  gap: 2rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-color);
}

/* Two Column Layout: Shopping & Instructions */
.recipe-body-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
}

/* Left Column: Edeka Shopping checklist */
.shopping-column {
  padding: 3rem;
  border-right: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .shopping-column {
  background: rgba(0, 0, 0, 0.01);
}

.shopping-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.shopping-header h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
}

.berlin-badge {
  font-size: 0.7rem;
  color: #fff;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: bold;
}

[data-theme="light"] .berlin-badge {
  background: #000;
  color: #fff;
  border: none;
}

.edeka-banner {
  background: #ffcc00;
  color: #002f6c;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 12px rgba(255, 204, 0, 0.15);
}

.checklist-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--border-color);
  border-radius: 10px;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.checklist-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent-green);
  transition: width 0.3s ease;
}

.shopping-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.shopping-item {
  display: flex;
  align-items: flex-start;
  cursor: pointer;
  padding: 0.5rem 0;
  user-select: none;
}

.shopping-item input[type="checkbox"] {
  display: none;
}

.custom-checkbox {
  width: 20px;
  height: 20px;
  border: 1px solid var(--text-secondary);
  border-radius: 4px;
  margin-right: 1rem;
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}

.custom-checkbox::after {
  content: '';
  width: 10px;
  height: 6px;
  border-left: 2px solid white;
  border-bottom: 2px solid white;
  transform: rotate(-45deg) translate(1px, -1px);
  opacity: 0;
  transition: var(--transition);
}

.shopping-item input:checked + .custom-checkbox {
  background: var(--accent-green);
  border-color: var(--accent-green);
}

.shopping-item input:checked + .custom-checkbox::after {
  opacity: 1;
}

.item-details {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.item-name {
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

.item-dept {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.item-price {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-color);
  margin-left: 1rem;
  margin-top: 2px;
  white-space: nowrap;
  align-self: flex-start;
}

.shopping-item input:checked ~ .item-details .item-name {
  text-decoration: line-through;
  opacity: 0.5;
}

/* Right Column: Instructions & Plating */
.instructions-column {
  padding: 3rem;
}

.instruction-section-header {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--accent-green);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.step-card {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  position: relative;
}

.step-num {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-color);
  background: var(--border-color);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.step-badge {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
  margin-left: 0.5rem;
  display: inline-block;
}

.badge-prep { background: rgba(197, 168, 128, 0.15); color: var(--accent-color); }
.badge-stove { background: rgba(211, 106, 90, 0.15); color: var(--accent-red); }

/* Plating Guide Custom Section */
.plating-card {
  background: rgba(197, 168, 128, 0.06);
  border: 1px dashed var(--accent-color);
  border-radius: 12px;
  padding: 1.75rem;
  margin-top: 1.5rem;
}

.plating-header-inline {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent-color);
}

.plating-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.plating-step {
  display: flex;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.plating-bullet {
  color: var(--accent-color);
  font-weight: bold;
}

/* Footer style */
.app-footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  max-width: var(--container-max-width);
  margin: 2rem auto 0 auto;
}

/* Mobile Responsiveness */
@media (max-width: 900px) {
  .recipe-hero {
    grid-template-columns: 1fr;
  }
  
  .recipe-hero-image-wrapper {
    min-height: 250px;
  }
  
  .recipe-body-grid {
    grid-template-columns: 1fr;
  }
  
  .shopping-column {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
  }
  
  .instructions-column {
    padding: 2rem 1.5rem;
  }
  
  .tabs-grid {
    grid-template-columns: 1fr;
  }

  .recipe-quick-stats {
    flex-wrap: wrap;
    gap: 1.5rem 1rem;
  }

  .stat-item {
    flex: 1 1 calc(33% - 1rem);
    min-width: 85px;
  }
}