* {
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  padding: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

header {
  background: rgba(34, 34, 34, 0.85);
  color: #fff;
  padding: 20px 16px;
  font-size: 18px;
}

header h1 {
  margin: 0;
  font-size: 28px;
  font-weight: bold;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  padding: 8px 12px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
}

main {
  padding: 12px;
  min-height: 80vh;
}

main section {
  background: transparent;
  padding: 16px;
  border-radius: 8px;
  box-shadow: none;
  border: none;
  color: #fff;
}

#alpha-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0;
  justify-content: center;
}

#alpha-nav a {
  display: inline-block;
  width: 32px;
  height: 32px;
  line-height: 32px;
  text-align: center;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
  transition: background 0.2s;
}

#alpha-nav a:hover {
  background: rgba(255, 255, 255, 0.4);
}

#back-to-top {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 24px;
  cursor: pointer;
  z-index: 1000;
  transition: background 0.3s;
}

#back-to-top:hover {
  background: rgba(0, 0, 0, 0.9);
}

#back-to-top.show {
  display: block;
}

#recipes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 20px;
}

#now-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 20px;
}

.recipe-letter-section {
  margin-top: 40px;
}

.recipe-letter-section h3 {
  font-size: 24px;
  color: #fff;
  margin: 0 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(255, 255, 255, 0.3);
}

.recipes-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.recipe-item {
  display: flex;
  flex-direction: column;
  background: rgba(0, 0, 0, 0.75);
  border: 1px solid rgba(0, 0, 0, 0.5);
  border-radius: 8px;
  overflow: hidden;
  color: #fff;
}

.recipe-item-header {
  display: flex;
  gap: 16px;
  padding: 12px;
  position: relative;
}

.untested-icon {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 20px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.35);
  font-weight: bold;
  z-index: 10;
}

.favorite-icon {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
  z-index: 10;
}



.sigrid-icon {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 24px;
  line-height: 1;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
  z-index: 10;
}

.tiki-icon {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
  z-index: 10;
}

.recipe-item-image {
  width: 120px;
  height: 120px;
  flex-shrink: 0;
  object-fit: cover;
  border-radius: 4px;
  background: #333;
}

.recipe-item-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.recipe-item-title {
  font-size: 18px;
  font-weight: bold;
  margin: 0 0 6px 0;
  padding-right: 36px;
}

.recipe-item-desc {
  font-size: 14px;
  color: #ddd;
  margin: 0 0 6px 0;
  flex: 1;
}

.recipe-item-ingredients {
  display: flex;
  flex-direction: column;
  padding: 0 12px 12px 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.recipe-item-ingredients-title {
  font-size: 12px;
  font-weight: bold;
  color: #aaa;
  margin: 8px 0 4px 0;
}

.recipe-item-ingredients ul {
  list-style: none;
  margin: 0;
  padding: 0 0 0 16px;
  font-size: 13px;
}

.recipe-item-ingredients li {
  margin: 2px 0;
}

.recipe-item-instructions {
  padding: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  line-height: 1.5;
}

.recipe-item-desc {
  padding: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.8);
}

@media (min-width: 768px) {
  #recipes-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .recipes-list {
    grid-template-columns: 1fr 1fr;
  }
}

button {
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
}

h2,
h3 {
  color: #fff;
  font-size: 20px;
}

p {
  color: #fff;
  line-height: 1.6;
}

ul {
  color: #fff;
}

ul#ingredients-list {
  list-style: none;
  padding: 0;
  color: #fff;
}

ul#ingredients-list li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

#ingredients-list {
  background: rgba(0, 0, 0, 0.75);
  border: 1px solid rgba(0, 0, 0, 0.5);
  padding: 12px;
  border-radius: 8px;
  color: #fff;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

#recipe-view > button,
#now-view > button {
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  border: 1px solid rgba(0, 0, 0, 0.85);
  width: 100%;
}

/* Tablet and larger screens */
@media (min-width: 768px) {
  header {
    padding: 30px;
    font-size: 20px;
  }

  header h1 {
    font-size: 40px;
  }

  nav a {
    margin-right: 25px;
    background: transparent;
    padding: 0;
  }

  main {
    padding: 16px;
  }

  #recipe-view,
  #now-view {
    flex-direction: row;
    align-items: center;
    padding: 15px 0;
  }

  #recipe-card,
  #now-card {
    flex-direction: row;
    gap: 20px;
    align-items: flex-start;
  }

  #recipe-image,
  #now-image {
    width: 280px;
    min-width: 280px;
    max-height: 400px;
  }

  #recipe-card > div:last-child,
  #now-card > div:last-child {
    flex: 1;
  }

  #ingredients-list {
    grid-template-columns: 1fr 1fr;
    gap: 24px 32px;
  }

  #recipe-view > button,
  #now-view > button {
    width: auto;
  }
}

/* Authentication styles */
nav .user-info {
  color: #4CAF50;
  padding: 8px 12px;
  border-radius: 4px;
  background: rgba(76, 175, 80, 0.1);
  border: 1px solid rgba(76, 175, 80, 0.3);
}

.flash-messages {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 1000;
  max-width: 400px;
}

.flash-message {
  padding: 12px 16px;
  margin-bottom: 10px;
  border-radius: 5px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  animation: slideIn 0.3s ease;
}

.flash-error {
  background: rgba(244, 67, 54, 0.95);
  border: 1px solid #f44336;
  color: white;
}

.flash-success {
  background: rgba(76, 175, 80, 0.95);
  border: 1px solid #4CAF50;
  color: white;
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}