@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:wght@300;600;800&display=swap');

/* Root variables */
:root {
  /* Colors */
  --dark-blue-elements: hsl(209, 23%, 22%);
  --very-dark-blue-bg: hsl(207, 26%, 17%);
  --very-dark-blue-text: hsl(200, 15%, 8%);
  --dark-gray-input: hsl(0, 0%, 52%);
  --very-light-gray-bg: hsl(0, 0%, 98%);
  --white: hsl(0, 0%, 100%);

  /* Typography */
  --font-family: 'Nunito Sans', sans-serif;
  --font-weight-light: 300;
  --font-weight-semi: 600;
  --font-weight-bold: 800;

  /* Font Sizes */
  --fs-homepage: 14px;
  --fs-detail: 16px;
}

:root.dark {
    --very-light-gray-bg: hsl(207, 26%, 17%);
    --white: hsl(209, 23%, 22%);             
    --very-dark-blue-text: hsl(0, 0%, 100%); 
    --dark-gray-input: hsl(0, 0%, 70%);
}

:root.dark .search-input {
    color: white;
}

:root.dark .theme-toggle svg {
    stroke: transparent;
    fill: white;
}

:root.dark .theme-toggle {
    color: white;
}

/* Global styles */
body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-light);
  font-size: var(--fs-homepage);
  background-color: var(--very-light-gray-bg);
  color: var(--very-dark-blue-text);
  margin: 0;
  padding: 0;
  position: relative;
}

body.no-scroll {
  overflow: hidden;
}

li  span{
    font-weight: bold;
}

.site-header {
  background-color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  padding: 1.5rem 1.5rem;
  margin-bottom: 1.5rem;
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 999;
  max-width: 1440px;
}

.site-title {
  font-size: 1.1rem;
}

svg {
  width: 1.5rem;
}

.theme-toggle {
    background: none;
    border: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.main-page {
    margin-top: 120px;
    max-width: 1440px;
}

.controls {
  padding: 0 1rem;
  
}

.search-box {
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
  background-color: var(--white);
  display: flex;
  align-items: center;
  gap: 2rem;
  border-radius: 8px;
  padding: 0 1.5rem;
  margin-bottom: 2.5rem;
}

.search-box svg {
  fill: var(--dark-gray-input);
}

.search-input {
  border: none;
  flex: 1;
  width: 100%;
  padding-block: 1rem;
  outline: none;
  background: transparent;
}

.search-input::placeholder {
  color: var(--dark-gray-input);
  font-family: var(--font-family);
}

.dropdown {
  width: 50%;
  position: relative;
  background-color: none;
  font-size: 14px;
  cursor: pointer;
  margin-bottom: 2rem;
}

.dropdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    
    background-color: var(--white);
    border-radius: 6px;
}



.dropdown-list {
    list-style: none;
    padding: 0;
    background-color: var(--white);
    border-radius: 6px;
    position: absolute;
    top: 100%;
    width: 100%;
    overflow: hidden;
    display: none;
    filter: drop-shadow(2px 4px 4px #585858);
}

.dropdown-header.active + .dropdown-list{
    display: block;
}

.dropdown-item {
  background: var(--white);
  color: var(--very-dark-blue-text);
  padding: 10px 12px;  
  font-weight: bold;
}

.dropdownOptionDiv {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.wrapper {
    position: relative;
}

.country-list {
    display: grid;
    grid-gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    padding: 0 2rem;
}

.country-card {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    padding-bottom: 1rem;
    overflow: hidden;
    background: var(--white);
}

.country-flag {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.country-info {
    padding: 1rem 1.5rem;
}

.country-stats {
    padding: 0;
    list-style: none;
}

.details-page {
  position: fixed;      
  inset: 0;
  top: 5.8rem;             
  width: 100%;              
  background-color: var(--very-light-gray-bg);
  z-index: 999;             
  overflow-y: auto;
  display: none;
  max-width: 1440px;
}


.details-page button {
    border: none;
    background: var(--white);
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
    font-family: var(--font-family);
}

.details-page ul {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.details-page ul li {
    margin-block: 1rem;
}

.country-details {
    padding: 0 1rem;
}

.back-button {
    padding: 8px 16px 8px 10px;
    display: flex;
    align-items: center;
    gap:0.5rem;
    margin-bottom: 2rem;
    margin-left: 1rem;
    margin-top: 1rem;
    color: var(--very-dark-blue-text);
}

.country-details-flag {
    height: 250px;
    background: red;
    background-size: cover;
    background-position: center;
}

.border-countries-list {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.border-countries-list button {
    padding: 4px 12px;
    background: var(--white);
    color: var(--very-dark-blue-text);
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  :root:not(.light):not(.dark) {
    --very-light-gray-bg: hsl(207, 26%, 17%);
    --white: hsl(209, 23%, 22%);             
    --very-dark-blue-text: hsl(0, 0%, 100%); 
    --dark-gray-input: hsl(0, 0%, 70%);
  }
  
   :root:not(.light):not(.dark) .theme-toggle svg {
    stroke: transparent;
    fill: white;
}

:root:not(.light):not(.dark) .theme-toggle {
    color: white;
}


}


@media(min-width: 1000px){
    .site-header {
        padding: 1.5rem 2rem;
    }
    
    .country-list {
        gap:2rem;
    }
    
    .controls {
        display: flex;
        justify-content: space-between;
        padding: 0 2rem;
    }
    
    .controls .search-box {
        width: 30%;
    }
    
    .controls .dropdown {
        width: 200px;
    }
    
    .back-button {
        margin-top: 2rem;
    }

  .details-page {
        
        padding-right: 2rem;
        overflow-y: auto;
  }
    
    .country-details {
        display: grid;
        grid-template-columns: 1fr 1fr;
        column-gap: 3rem;
        margin-block: 2rem;
      margin-bottom: 4rem;
    }
    
    .country-details-lists {
        display: grid;
        grid-template-columns: 1fr 1fr;
        column-gap: 2rem;
    }
    
    
}

@media(min-width: 1200px){
    .site-header {
        padding: 1.5rem 4rem;
    }
    
    .country-list {
        gap:5rem;
        padding: 2rem 4rem;
    }
    
    .controls {
        display: flex;
        justify-content: space-between;
        padding: 0 4rem;
    }
    
    .controls .search-box {
        width: 30%;
    }
    
    .controls .dropdown {
        width: 200px;
    }
    
    .country-details-flag {
        height: 100%;
    }
     .back-button {
        margin-top: 4rem;
    }
    
    .details-page {
        padding: 0 4rem;
    }
    
    .country-details {
        column-gap: 4rem;
        margin-top: 4rem;
    }
}

@media(min-width: 1441px){
    .site-header {
        left: 50%;
  transform: translateX(-50%);
  right: auto;
  width: 100%;
    }
    
    .details-page {
        left: 50%;
  transform: translateX(-50%);
    }
    
    .main-page {
        margin: 120px auto 0;
    }
    
    }