:root {
  --primary-color: #7e2018;
  --accent-color: #7e2018;
  --header-gradient: linear-gradient(135deg, #7e2018, #631a13);
  --background-color: #FFFBF2;
  --card-background: #FDF6E3;
  --text-primary: #000000;
  --text-secondary: #000000;
  --text-tertiary: #ffffff;
  --border-color: #000000;
  --shadow-color: rgba(0, 0, 0, 0.05);
  --highlight-bg: #FFC107;
  --button-bg: #800000;
  --button-hover-bg: #A51C30;
  --common-items-bg: #FDF6E3;
}

body.dark-mode {
  --primary-color: #FFC107;
  --accent-color: #FFC107;
  --header-gradient: linear-gradient(135deg, #7e2018, #631a13);
  --background-color: #121212;
  --card-background: #1E1E1E;
  --text-primary: #ffffff;
  --text-secondary: #ffffff;
  --text-tertiary: #000000;
  --border-color: #fffefe;
  --shadow-color: rgba(0, 0, 0, 0.2);
  --highlight-bg: #7e2018;
  --button-bg: #d6951c;
  --button-hover-bg: #bc7a00;
  --common-items-bg: #1E1E1E;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--background-color);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  transition: background-color 0.3s, color 0.3s;
}

header {
  background: var(--header-gradient);
  padding: 20px;
  text-align: center;
  color: white;
  border-radius: 0 0 15px 15px;
  position: relative;
}

header h1 {
  margin: 0;
  font-size: 2em;
}

header p {
  margin: 5px 0 0;
  opacity: 0.9;
}

.menu-container {
  max-width: 1200px;
  margin: 30px auto;
  padding: 20px;
}

select {
  padding: 12px 15px;
  font-size: 1em;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--card-background);
  color: var(--text-primary);
  cursor: pointer;
  -webkit-appearance: none; 
  appearance: none;   
}

label {
  font-weight: bold;
  margin-right: 10px;
  color: var(--text-secondary);
}

.day-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  animation: fadeIn 0.5s ease-in-out;
}

.day-card {
  background: var(--card-background);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 4px 12px var(--shadow-color);
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s;
}

.day-card h3 {
  margin-top: 0;
  color: var(--primary-color);
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 10px;
  margin-bottom: 15px;
}

.meal {
  margin: 12px 0;
  padding: 10px;
  border-left: 4px solid var(--accent-color);
  border-radius: 0 5px 5px 0;
}

.meal b {
  color: var(--text-primary);
}

.meal ul {
  list-style-type: disc;
  padding-left: 20px;
  margin-top: 8px;
  margin-bottom: 0;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.controls-group {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 25px;
  background: var(--card-background);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px var(--shadow-color);
  gap: 20px;
  transition: background-color 0.3s;
}

#step2-diet-type,
#step3-menu-view {
  display: none;
}

#quick-links {
  padding: 10px 20px;
  margin-bottom: 15px;
}

.common-items {
  background-color: var(--common-items-bg);
  border-left: 5px solid var(--accent-color);
  padding: 15px 20px;
  margin-top: 25px;
  border-radius: 8px;
  box-shadow: 0 2px 4px var(--shadow-color);
  transition: background-color 0.3s;
}

.common-items h2 {
  margin-top: 0;
  margin-bottom: 10px;
  color: var(--primary-color);
  font-size: 1.2em;
}

.common-items p {
  margin: 0 0 5px 0;
}

.common-items ul {
  list-style-type: disc;
  padding-left: 25px;
  margin-top: 5px;
  margin-bottom: 15px;
}

.common-items li {
  margin-bottom: 4px;
}

.day-card .meal {
  display: none;
}

.day-card.show-all-meals .meal {
  display: block;
}

.show-full-menu-btn {
  display: none;
  padding: 10px 15px;
  font-size: 0.9em;
  font-weight: bold;
  color: var(--text-tertiary);
  background-color: var(--primary-color);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin: 0 auto 15px auto;
  transition: background-color 0.2s;
}



.theme-switcher-container {
  position: absolute;
  top: 25px;
  right: 20px;
}

.theme-switcher {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.theme-switcher input {
  display: none;
}

.theme-switcher .slider {
  background-color: #FFC107;
  width: 44px;
  height: 24px;
  border-radius: 12px;
  position: relative;
  transition: background-color 0.3s;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 4px;
}

.theme-switcher .slider::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: #7e2018;
  transition: transform 0.3s;
}

.theme-switcher input:checked+.slider {
  background-color: rgba(0, 0, 0, 0.745);
}

body.dark-mode .theme-switcher .slider::before {
  background-color: #FFC107;
}

.theme-switcher input:checked+.slider::before {
  transform: translateX(28px);
}

.theme-switcher .slider svg {
  color: #ffffff;
  width: 14px;
  height: 14px;
}

body.dark-mode .theme-switcher .slider svg.feather-sun {
  color: #FFC107;
}

body:not(.dark-mode) .theme-switcher .slider svg.feather-moon {
  color: #000000;
}

.header-logo {
  position: absolute;
  top: 10px;
  left: 25px;
  height: 80px;
  z-index: 10;
}

.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.button-group button {
  padding: 10px 20px;
  font-size: 1em;
  font-weight: 500;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--card-background);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease-in-out;
}

.button-group button:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.button-group button.active {
  background-color: var(--primary-color);
  color: var(--text-tertiary);
  border-color: var(--primary-color);
}

@media (max-width: 768px) {
  .menu-container {
    padding: 15px;
  }

  .header-logo {
    top: 15px;
    left: 5px;
    height: 50px;
  }

  header h1 {
    font-size: 1.6em;
  }

  .controls-group {
    flex-direction: column;
    align-items: stretch;
    padding: 15px;
  }

  .controls-group label {
    text-align: left;
    margin-bottom: 8px;
    margin-right: 0;
  }

  .controls-group select {
    width: 100%;
  }

  .day-card {
    padding: 20px;
  }

  .theme-switcher-container {
    top: 70px;
    left: 5px;
  }

  #date-picker-input {
    width: auto !important;
    flex-grow: 1 !important;
    font-size: 1em !important;
    padding: 8px !important;
    color: var(--primary-color) !important;
    background-color: var(--card-background) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    -webkit-appearance: none !important;
    appearance: none !important;
  }
  }


#date-picker-container {
  padding: 10px 15px;
  margin-bottom: 15px;
  gap: 10px;
}

#date-picker-input {
  font-size: 1em;
  font-weight: bold;
  text-align: center;
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: 8px;
  background-color: transparent;
  color: var(--primary-color);
  width: 160px;
  cursor: pointer;
}

#prev-day-btn,
#next-day-btn {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  width: 36px;
  height: 36px;
  font-size: 1.2em;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;

  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0;
}

#prev-day-btn:hover,
#next-day-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

#prev-day-btn:hover,
#next-day-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.flatpickr-day.selected,
.flatflatpickr-day.selected:hover {
  background: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  color: var(--text-tertiary) !important;
}

.flatpickr-calendar {
  background: var(--card-background) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 8px !important;
}

.flatpickr-weekday {
  color: var(--text-secondary) !important;
}

.flatpickr-day {
  color: var(--text-primary) !important;
}

.flatpickr-day:hover {
  background: var(--accent-color) !important;
  color: var(--background-color) !important;
}

.flatpickr-monthDropdown-months,
.numInput.cur-year {
  border: 1px solid var(--primary-color) !important;
  border-radius: 4px !important;
  padding: 0.1px !important;
  text-align: center;

}

.flatpickr-current-month,
.numInput.cur-year {
  color: var(--text-secondary) !important;
}

#date-picker-input {
  font-size: 1em;
  font-weight: bold;
  text-align: center;
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: 8px;
  background-color: var(--card-background);
  color: var(--primary-color);
  width: 180px;
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}