*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* colors */
  --color-primary-dark-grey:hsl(0,0%,17%);
  --color-primary-gray: hsl(0,0%, 59%);
  --color-black: hsl(0,0%,0%);
  --color-white: hsl(0,0%,100%);
  --color-white: hsl(0,0%,100%);
  --color-error: #ff5252; 

--font-size-body: 1.125rem;
--font-size-heading: 1.75rem;
--font-size-label:0.625rem;
--font-size-value: 1.25rem;

--spacing-xs: 0.75rem;
--spacing-sm: 1.5rem;
--spacing-md: 2rem;
--spacing-lg: 2.5rem;
--spacing-xl: 7rem;

--border-radius-main: 15px;
}

body {
  font-family: "Rubik", sans-serif;
  min-height: 100vh; 
  display: flex;
  flex-direction: column;
  background-color: #f0f2f5;
}

/* header */
.header{
  background: url("images/pattern-bg-mobile.png") no-repeat center;
  /* ensures background image covers the area */
  background-size: cover; 
  padding: var(--spacing-md)var(--spacing-sm)var(--spacing-xl);
  position: relative;
  /* ensures header content is above the map */
  z-index: 1000;
}

h1 {
  color: white;
  text-align: center;
  font-size: var(--font-size-heading);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.search-container{
  max-width: 555px;
  margin: 0 auto; 
  position: relative;
}

.search-input {
  width: 100%;
  padding: 1.25rem var(--spacing-sm);
  font-size: var(--font-size-body);
  border: none;
  border-radius: var(--border-radius-main);
  font-family: "Rubik", sans-serif;
  color: var(--color-primary-dark-grey);
  cursor: pointer;
  transition: box-shadow 0.3s ease;
}
  

  .search-input::placeholder{
    color: var(--color-primary-gray);
    opacity: 0.8;
  }

  .search-input:hover{
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
  }

 .search-input:focus{
  outline: none;
  box-shadow: 0 5px 20px rgba(0,0,0,0.2);
 }

  .search-button{
    position:absolute;
    right: 0;
    top: 0;
    bottom: 0;
    background: black;
    border: none;
    border-radius: 0 var(--border-radius-main) var(--border-radius-main) 0;
    padding: 0 var(--spacing-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
  }

.search-button:hover {
  /* darker on hover */
  background: var(--color-primary-dark-grey);
}

.search-button img {
  width:11px;
  height: 14px;
}

/* information container styles --displays IP details, positioned
to overlap the header and map. */

.info-container {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  /* adjusts vertical position to overlap header/map */
  bottom: -50%;
  background: white;
  border-radius: var(--border-radius-main);
  box-shadow: 0 25px 50px rgba(0,0,0,0.1);
  /* above the map */
  z-index:1000;
  width: calc(100% - var(--spacing-sm) * 2);
  max-width: 1110px;
  padding: var(--spacing-md) var(--spacing-sm);
  display: grid;
  grid-template-columns: 1fr;
  /* spacing between grid items */
  gap: var(--spacing-sm);
}

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

.info-label {
  color:var(--color-primary-gray);
  font-size:var(--font-size-label);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom:var(--spacing-xs);
}

.info-value {
  color:var(--color-primary-dark-grey);
  font-size:var(--font-size-value);
  font-weight: 500;
  /* prevents long text from overflowing */
  word-break:break-word;
}

/* map styles--ensures the leaflet map takes up the remaining available spaces.*/
#map {
  flex: 1;
  z-index: 1;
  background:#f3f3f3;
  min-height: 400px;
}

/* loading/error */
.loading {
  display: none;
  position: fixed;
  top:50%;
  left:50%;
  transform: translate(-50%, -50%);
  background: rgba(0,0,0,0.8);
  color:white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius:10px;
  z-index:2000;
  text-align: center;
  font-size: var(--font-size-body);
}

.error {
  display:none;
  background:var(--color-error);
  color:white;
  padding:var(--spacing-xs);
  text-align:center;
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:3000;
  font-weight:500;
  font-size:0.875rem;
}

/* custom marker */
.custom-marker {
  background-color:#000;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  border:4px solid #fff;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
  width:46px;
  height:56px;
  position:relative;
  display:flex;
  align-items:center;
  justify-content: center;
}

.custom-marker::before {
  content:"";
  position:absolute;
  width: 12px;
  height:12px;
  background:white;
  border-radius: 50%;
  transform: rotate(45deg);
}

/* desktop */
@media (min-width:768px) {
  .header {
    padding:var(--spacing-md)var(--spacing-md)8rem;
    background-image: url("images/pattern-bg-desktop.png");
  }

h1 {
  font-size:2rem;
}

.info-container {
  grid-template-columns:repeat(4, 1fr);
  padding: var(--spacing-lg) var(--spacing-md);
  bottom:-60%;
  /* remove gap between grid items--dividers will provide separation */
  gap:0;
}

.info-item {
  position:relative;
  padding: 0 var(--spacing-md);
  text-align:left;
}

/* vertical line separator between info items */
.info-item:not(:last-child)::after {
  content:"";
  position:absolute;
  right:0;
  top:50%;
  transform:translateY(-50%);
  height:75px;
  width:1px;
  background:#e0e0e0;
}

.info-label {
  font-size:0.75rem;
  margin-bottom:1rem;

}

.info-value {
  font-size:1.5rem
}
}