/**
 * Meal Planner - Tinder-style Swipe Interface
 * Interactive recipe selection with card swiping
 */

/* ============================================
   PROGRESS TRACKER
   ============================================ */

.planner-progress {
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-8);
  box-shadow: var(--shadow-md);
}

.progress-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-4);
  max-width: 800px;
  margin: 0 auto;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background: white;
  border-radius: var(--radius-lg);
  border: 3px solid var(--gray-200);
  transition: all var(--transition-smooth);
  position: relative;
}

.progress-step.active {
  border-color: var(--primary-600);
  background: linear-gradient(135deg, white 0%, var(--primary-50) 100%);
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.progress-step.completed {
  border-color: var(--success-500);
  background: linear-gradient(135deg, white 0%, var(--success-50) 100%);
}

.progress-step.completed::after {
  content: '✓';
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  background: var(--success-500);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 14px;
}

.step-icon {
  font-size: 2rem;
}

.step-label {
  font-weight: 600;
  color: var(--gray-900);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.step-status {
  font-size: var(--text-xs);
  color: var(--gray-600);
  font-weight: 500;
}

/* ============================================
   CARD SWIPER
   ============================================ */

.card-swiper-container {
  max-width: 600px;
  margin: 0 auto var(--space-8);
  padding: 0 var(--space-4);
}

.swiper-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.swiper-header h3 {
  font-size: var(--text-3xl);
  color: var(--gray-900);
  margin-bottom: var(--space-2);
}

#swipe-instructions {
  color: var(--gray-600);
  font-size: var(--text-base);
}

.recipe-cards-stack {
  position: relative;
  width: 100%;
  height: 600px;
  margin-bottom: var(--space-6);
}

.swipe-card {
  position: absolute;
  width: 100%;
  height: 100%;
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  cursor: grab;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
  will-change: transform, opacity;
}

.swipe-card:active {
  cursor: grabbing;
}

/* Card stacking effect */
.swipe-card:nth-child(1) {
  z-index: 3;
  transform: scale(1) translateY(0);
}

.swipe-card:nth-child(2) {
  z-index: 2;
  transform: scale(0.95) translateY(10px);
  opacity: 0.8;
}

.swipe-card:nth-child(3) {
  z-index: 1;
  transform: scale(0.9) translateY(20px);
  opacity: 0.6;
}

/* Swipe animations */
.swipe-card.swiping-right {
  border: 3px solid var(--success-500);
}

.swipe-card.swiping-left {
  border: 3px solid var(--error-500);
}

.swipe-card.swiped-right {
  animation: swipeRight 0.3s ease-out forwards;
}

.swipe-card.swiped-left {
  animation: swipeLeft 0.3s ease-out forwards;
}

@keyframes swipeRight {
  to {
    transform: translateX(150%) rotate(20deg);
    opacity: 0;
  }
}

@keyframes swipeLeft {
  to {
    transform: translateX(-150%) rotate(-20deg);
    opacity: 0;
  }
}

/* Card content */
.swipe-card-content {
  height: 100%;
  overflow-y: auto;
  padding: var(--space-6);
}

.swipe-card-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--space-4);
}

.swipe-card-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--gray-900);
  flex: 1;
}

.swipe-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.swipe-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  background: var(--gray-100);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--gray-700);
}

.swipe-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
}

.swipe-overlay.show {
  opacity: 1;
}

.swipe-overlay.accept {
  background: rgba(34, 197, 94, 0.2);
}

.swipe-overlay.reject {
  background: rgba(239, 68, 68, 0.2);
}

.swipe-overlay-text {
  font-size: 4rem;
  font-weight: 900;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-2xl);
  border: 5px solid;
  transform: rotate(-15deg);
}

.swipe-overlay.accept .swipe-overlay-text {
  color: var(--success-600);
  border-color: var(--success-600);
}

.swipe-overlay.reject .swipe-overlay-text {
  color: var(--error-600);
  border-color: var(--error-600);
}

/* ============================================
   SWIPE ACTIONS
   ============================================ */

.swipe-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-4);
}

.swipe-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  border: none;
  background: white;
  border-radius: 50%;
  width: 80px;
  height: 80px;
  cursor: pointer;
  transition: all var(--transition-smooth);
  box-shadow: var(--shadow-lg);
}

.swipe-btn:hover {
  transform: scale(1.1);
}

.swipe-btn:active {
  transform: scale(0.95);
}

.swipe-btn.reject {
  background: linear-gradient(135deg, var(--error-500) 0%, var(--error-600) 100%);
}

.swipe-btn.accept {
  background: linear-gradient(135deg, var(--success-500) 0%, var(--success-600) 100%);
}

.swipe-btn.undo {
  background: linear-gradient(135deg, var(--gray-300) 0%, var(--gray-400) 100%);
  width: 60px;
  height: 60px;
}

.swipe-btn.undo:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-icon {
  font-size: 2rem;
}

.btn-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: white;
  text-transform: uppercase;
}

/* ============================================
   SELECTED MEALS SUMMARY
   ============================================ */

.selected-meals {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  margin-bottom: var(--space-8);
}

.selected-meals h3 {
  text-align: center;
  font-size: var(--text-2xl);
  margin-bottom: var(--space-6);
  color: var(--gray-900);
}

.selected-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.selected-card {
  background: white;
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  min-height: 200px;
  transition: all var(--transition-smooth);
}

.selected-card.empty {
  display: flex;
  align-items: center;
  justify-content: center;
}

.selected-card.filled {
  border: 2px solid var(--primary-500);
  background: linear-gradient(135deg, var(--primary-50) 0%, white 100%);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--gray-400);
}

.empty-icon {
  font-size: 3rem;
}

.empty-text {
  font-size: var(--text-sm);
}

.selected-recipe {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.selected-recipe-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
}

.selected-recipe-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--gray-900);
}

.remove-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--error-500);
  transition: transform var(--transition-fast);
}

.remove-btn:hover {
  transform: scale(1.2);
}

.selected-recipe-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--gray-600);
}

/* ============================================
   PLANNER ACTIONS
   ============================================ */

.planner-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ============================================
   EMPTY STATE
   ============================================ */

.no-recipes-message {
  text-align: center;
  padding: var(--space-12);
  color: var(--gray-600);
}

.no-recipes-message h3 {
  font-size: var(--text-2xl);
  color: var(--gray-900);
  margin-bottom: var(--space-4);
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  .progress-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .recipe-cards-stack {
    height: 500px;
  }

  .swipe-btn {
    width: 60px;
    height: 60px;
  }

  .swipe-btn.undo {
    width: 50px;
    height: 50px;
  }

  .btn-icon {
    font-size: 1.5rem;
  }

  .btn-label {
    font-size: 0.65rem;
  }

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

  .swipe-card-content {
    padding: var(--space-4);
  }

  .swipe-overlay-text {
    font-size: 3rem;
  }
}

@media (max-width: 480px) {
  .planner-progress {
    padding: var(--space-4);
  }

  .progress-steps {
    gap: var(--space-2);
  }

  .progress-step {
    padding: var(--space-3);
  }

  .step-icon {
    font-size: 1.5rem;
  }

  .step-label {
    font-size: 0.7rem;
  }

  .swiper-header h3 {
    font-size: var(--text-xl);
  }

  .recipe-cards-stack {
    height: 450px;
  }
}