/*CUTOM PROPERTY*/

:root {
--primary: #B5A1E5; 
--on-primary: #100E17; 
--background: #131214;
--on-background: #EAE6F2;
--surface: #1D1C1F;
--on-surface: #DDDAE5;
--on-surface-variant: #7B7980; 
--on-surface-variant-2: #B9B6BF;
--outline: #3E3D40;
--bg-aqi-1: #89E589;
--on-bg-aqi-1: #1F331F;
--bg-aqi-2: #E5DD89;
--on-bg-aqi-2: #33311F;
--bg-aqi-3: #E5C089;
--on-bg-aqi-3: #332B1F;
--bg-aqi-4: #E58989;
--on-bg-aqi-4: #331F1F;
--bg-aqi-5: #E589B7;
--on-bg-aqi-5: #331F29;
--white: hsl(0, 0%, 100%);
--white-alpha-4: hsla(0, 0%, 100%, 0.04);
--white-alpha-8: hsla(0, 0%, 100%, 0.08);
--black-alpha-10: hsla(0, 0%, 0%, 0.1);

 /* Gradient color  */

--gradient-1: linear-gradient(180deg, hsla(270, 5%, 7%, 0) 0%, hsla(270, 5%, 7%, 0.8) 65%, hsl(270, 5%, 7%) 100%);
--gradient-2: linear-gradient(180deg, hsla(260, 5%, 12%, 0) 0%, hsla(260, 5%, 12%, 0.8) 65%, hsl(260, 5%, 12%) 100%);

 /* Typography  */

--ff-nunito-sans: 'Nunito Sans', sans-serif;

--heading: 5.6rem;
--title-1: 2rem;
--title-2: 1.8rem;
--title-3: 1.6rem;
--body-1: 2.2rem;
--body-2: 2rem;
--body-3: 1.6rem;
--label-1: 1.4rem;
--label-2: 1.2rem;

--weight-regular: 400;
--weight-semiBold: 600;

 /* Shadow  */
--shadow-1: 0px 1px 3px hsla(0, 0%, 0%, 0.5);
--shadow-2: 0px 3px 6px hsla(0, 0%, 0%, 0.4);

/* Border Radius */
--radius-28: 28px;
--radius-16: 16px;
--radius-pill: 500px;
--radius-circle: 50%;

/* Transition */
--transition-short: 100ms ease;

}

/* RESET */

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

li {
    list-style: none;
}

a,
img,
span,
input,
button {
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    height: auto;
}

input,
button {
    background: none;
    border: none;
    color: inherit;
    font: inherit;
}

input{
    width: 100%;
}
button {
    cursor: pointer;
}

sub {
    vertical-align: baseline;
}

sup {
    vertical-align: top;
}

sub, sup {
    font-size: 0.75em;
}

html {
    font-family: var(--ff-nunito-sans);
    font-size: 10px;
    scroll-behavior: smooth;
}

body{
    background-color: var(--background);
    color: var(--on-background);
    font-size: var(--body-3);
    overflow: hidden;
    padding: 0;
}

:focus-visible {
    outline: 2px solid var(--white);
    outline-offset: 2px;
}

::selection {
    background-color:  var(--white-alpha-8);
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px; /* for horizontal scrollbar */
}

::-webkit-scrollbar-thumb {
    background-color: var(--white-alpha-8);
    border-radius: var(--radius-pill);
}

/* MATERIAL ICON */

@font-face {
    font-family: 'Material Symbols Rounded';
    font-style: normal;
    font-weight: 400;
    src: url(../font/material-symbol-rounded.woff2) format('woff2');
}

.m-icon {
    font-family: 'Material Symbols Rounded';
    font-weight: normal;
    font-style: normal;
    font-size: 2.4rem;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    white-space: nowrap;
    word-wrap: none;
    direction: ltr;
    font-feature-settings: 'liga';
    -webkit-font-feature-settings: 'liga';
    -webkit-font-smoothing: 'antialiased';
    height: 1em;
    width: 1em;
    overflow: hidden;
}

/* RESUSED STYLE */

.container {
    max-width: 1600px;
    width: 100%;
    margin-inline: auto;
    padding: 16px;
}

.icon-btn {
    background-color: var(--white-alpha-8);
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: var(--radius-circle);
}

.has-state {
    position: relative;
}

.has-state:hover {
    box-shadow: var(--shadow-1);
}

.has-state:is(:focus, :focus-visible) {
    box-shadow: none;
}

.has-state::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    clip-path: circle(100% at 100% 50%);
    transition: var(--transition-short);
}

.has-state:hover::before {
    background-color: var(--white-alpha-4);
    animation: ripple 250ms ease forwards;
}

@keyframes ripple {
    0%{ clip-path: circle(0% at 0% 50%);}
    100%{ clip-path: circle(100% at 50% 50%);}
}

.btn-primary {
    background-color: var(--primary);
    color: var(--on-primary);
    height: 48px;
    line-height: 48px;
    max-width: max-content;
    display: flex;
    align-items: center;
    gap: 16px;
    padding-inline: 16px;
    border-radius: var(--radius-pill);
}

.btn-primary .span {
    font-weight: var(--weight-semiBold);
}
 
.btn-primary[disabled] {
    background-color: var(--outline);
    color: var(--on-surface-variant);
    cursor: not-allowed;
}

.btn-primary[disabled]::before {
    display: none;
}

.card {
    background-color: var(--surface);
    color: var(--on-surface);
}

.card-lg {
    border-radius: var(--radius-28);
    padding: 20px;
}

.card-sm {
    padding: 16px;
    border-radius: var(--radius-16);
}

.heading {
    color: var(--white);
    font-size: var(--heading);
    line-height: 1.1;
}

.title-1 {
    font-size: var(--title-1);
}

.title-2 {
    font-size: var(--title-2);
    margin-block-end: 12px;
}

.title-3 {
    font-size: var(--title-3);
    font-weight: var(--weight-semiBold);
}

.body-1 {
    font-size: var(--body-1);
}

.body-2 {
    font-size: var(--body-2);
    font-weight: var(--weight-semiBold);
}

.label-1 {
    font-size: var(--label-1);
}

.label-2 {
    font-size: var(--label-2);
}

.fade-in { 
    animation: fade-in 1000ms ease forwards;
}

@keyframes fade-in {
    0% { opacity: 0;}    
    100% { opacity: 1;}    
}



/* Header */
.header .btn-primary .span {
    display: none;
}


.logo img {
    width: 150px;
}

.header .container,
.header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header .container {
    justify-content: space-between;
}
.header-actions {
    gap: 16px;
}

.header .btn-primary {
    padding-inline: 12px;
}

.search-view {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100svh; /* For mobile browser */
    background-color: var(--surface);
    color: var(--on-surface);
    clip-path: circle(54% at calc(100% - 102px) 5%);
    opacity: 0;
    visibility: hidden;
    z-index: 4;
    transition: clip-path 500ms ease;
}

.search-view.active {
    opacity: 1;
    visibility: visible;
    clip-path: circle(130% at 73% 5%);
}

.search-wrapper {
    position: relative;
    border-block-end: 1px solid var(--outline);
}

.search-wrapper::before {
    content: "";
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 16px;
    width: 24px;
    height: 24px;
    border: 3px solid var(--on-surface);
    border-block-start-color: transparent;
    border-radius: var(--radius-circle);
    animation: loading 500ms linear infinite;
    display: none;
}

@keyframes loading {
    0% {transform: translateY(-50%) rotate(0);}
    100% {transform: translateY(-50%) rotate(1turn);}
}

.search-wrapper:has(.searching)::before {
    display: block;
}

.search-field {
    height: 80px;
    line-height: 80px;
    padding-inline: 56px 16px;
    outline: none;
}

.search-field::placeholder {
    color: var(--on-surface-variant-2);
}

.search-field::-webkit-search-cancel-button {
    display: none;
}

.search-wrapper .leading-icon {
    position: absolute;
    top: 50%;
    left: 28px;
    transform: translate(-50%, -50% );
}

.search-wrapper > .m-icon {
    display: none;
}

.search-wrapper .icon-btn {
    background-color: transparent;
    box-shadow: none;
}


.search-view .view-list {
    padding-block: 8px 16px;
}

.search-view .view-item {
    position: relative;
    height: 56px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 16px;
    padding-inline: 16px 24px;
}

.search-view .view-item :is(.m-icon, .item-subtitle) {
    color: var(--on-surface-variant);
}

.search-view .view-item .item-link {
    position: absolute;
    inset: 0;
    box-shadow: none;
}

/* Main */
Main {
    height: calc(100vh - 80px);
    height: calc(100svh - 80px); /* For mobile browser */
    overflow: hidden;
}

article.container {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    height: 100%;
    overflow-y: auto; /* For firefox */
    overflow-y: overlay;
}

article.container::-webkit-scrollbar-thumb {
    border-color: transparent;
}

article.container:ist(:hover, :focus-within)::-webkit-scrollbar-thumb {
    background-color: var(--white-alpha-8);
}

article.container::-webkit-scrollbar-button {
    height: 10px;
}

article.container::before {
    content: "";
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40px;
    background-image: var(--gradient-1);
    pointer-events: none;
    z-index: 1;
}

.section:not(:last-child) {
    margin-block-end: 16px;
}


/* Current Weather */

.current-weather-card  .weapper{
    margin-block: 12px;
    display: flex;
    gap: 8px;
    align-items: center;
}

.current-weather-card .weather-icon {
    margin-inline: auto;
}

.current-weather-card > .body-3{
    text-transform: capitalize;
}

.current-weather-card .meta-list {
    margin-block-start: 16px;
    padding-block-start: 16px;
    border-block-start: 1px solid var(--outline);
}

.current-weather-card .meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.current-weather-card .meta-item:not(:last-child) {
    margin-block-end: 12px;
}

.current-weather-card .meta-text {
    color: var(--on-surface-variant);
}

/* Highlights */

.forecast-card .title-2 {
    margin-block-end: 0;
}

.forecast-card :is(.card-item, .icon-wrapper) {
    display: flex;
    align-items: center;
}

.forecast-card .card-item:not(:last-child) {
    margin-block-end: 12px;
}

.forecast-card .icon-wrapper {
    gap: 8px;
}

.forecast-card .label-1 {
    color: var(--on-surface-variant);
    font-weight: var(--weight-semiBold);
}

.forecast-card .card-item > .label-1 {
    width: 100%;
    text-align: right;
}

/* Hourly Forecast */

.highlights .m-icon {
    font-size: 3.2rem;
}

.highlight-list {
    display: grid;
    gap: 20px;
}

.highlight-list .title-3 {
    color: var(--on-surface-variant);
    margin-block-end: 20px;
}

.highlights .card-sm {
    background-color: var(--black-alpha-10);
    position: relative;
}

.highlight-card :is(.wrapper, .card-list, .card-item) {
    display: flex;
    align-items: center;
}

.highlight-card .wrapper {
    justify-content: space-between;
    gap: 16px;   
}

.highlight-card .card-list {
    flex-wrap: wrap;
    flex-grow: 1;
    row-gap: 8px;
}
 .highlight-card .card-item {
    width: 50%;
    justify-content: flex-end;
    gap: 4px;
}

 .highlight-card .label-1{
    color: var(--on-surface-variant);
}

.badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 2px 12px;
    border-radius: var(--radius-pill);
    font-weight: var(--weight-semiBold);
    cursor: help;
}

.badge.aqi-1 {
    background-color: var(--bg-aqi-1);
    color: var(--on-bg-aqi-1);
}

.badge.aqi-2 {
    background-color: var(--bg-aqi-2);
    color: var(--on-bg-aqi-2);
}

.badge.aqi-3 {
    background-color: var(--bg-aqi-3);
    color: var(--on-bg-aqi-3);
}

.badge.aqi-4 {
    background-color: var(--bg-aqi-4);
    color: var(--on-bg-aqi-4);
}

.highlight-card.two .card-item {
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 8px 16px;
}

.highlight-card.two .label-1 {
    margin-block-end: 4px;
}

/* Forecast */

.slider-container {
    overflow-x: auto;
    margin-inline: -16px;
}

.slider-container::-webkit-scrollbar {
    display: none;
}

.slider-list {
    display: flex;
    gap: 12px;
}

.slider-list:first-child {
    margin-block-end: 16px;
}

.slider-list::before,
.slider-list::after {
    content: "";
    min-width: 4px;
}

.slider-item {
    min-width: 110px;
    flex: 1 1 100%;
}

.slider-card {
    text-align: center;
}

.slider-item .weather-icon {
    margin-inline: auto;
    margin-bottom: 12px;
}

/* Footer */

.footer,
.footer .body-3:last-child{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.footer {
    color: var(--on-surface-variant);
    text-align: center;
    gap: 12px 24px;
    margin-block-start: 28px;
    
}

.fade-in .footer {
    display: flex;
}

.footer .body-3:last-child {
    gap: 6px;
}

/* Loading */

.loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--background);
    place-items: center;
    z-index: 1;
    display: none;
}

.loading::before {
    content: "";
    width: 48px;
    height: 48px;
    border: 3px solid var(--white);
    border-block-start-color: transparent;
    border-radius: var(--radius-circle);
    animation: loading 1000ms linear infinite;
}

/* Error Section 404 */

.error-content {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100svh; /* For mobile browser */
    background-color: var(--background);
    color: var(--on-background);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    display: none;  
    z-index: 8;
}

.error-content .btn-primary {
    margin-block-start: 20px;
}

/* Media Queries */
/* Responsive for larger than 768px screen */

@media (min-width: 768px) {
    /* Reused Style */
    .container {padding: 24;}
    .title-1 {font-size: var(--title-1);}
    .secction > .title-2 {margin-block-end: 16px;}
    .card-sm {padding: 20px; display: grid; grid-template-rows: min-content 1fr;}

    .badge {top: 20px; right: 20px}

    /* Header */
    .header-actions {gap: 24px;}
    .header .btn-primary {padding-inline: 16px 24px;}
    .header .btn-primary .span {display: block;}
    .search-view {clip-path: circle(3% at calc(100% - 273px) 6px);}

    /* Main */
    Main {height: calc(100vh - 96px); height: calc(100svh - 96px);}

    article.container {padding-block-start: 0; grid-template-columns: 280px minmax(0, 1fr); align-items: flex-start; gap: 24px; }

    .content-leftt {
        position: fixed;
        top: 0;
    }

    .section:not(:last-child) {margin-bottom: 20px;}
    .forecast-card .card-item:not(:last-child) {margin-block-end: 16px;}

    .highlight-card:nth-child(-n+2) {grid-column: span 2; height: 160px;}
    .highlight-card:nth-childn(n+3) {height: 120px;}
    .highlights .m-icon {font-size: 3.6rem;}
    .highlight-card.one .card-item {width: 25%; flex-direction: column-reverse; gap: 8px;}

    .slider-container {margin-inline: 0 -24px; border-bottom-left-radius: var(--radius-16); border-top-left-radius: var(--radius-16);}

    .slider-list::before {display: none;}

    .slider-list::before {display: none;}
    .slider-list::after {min-width: 12px;}

    .hourly-forecast .card-sm {padding: 16px;}
    
     
}

/* Responsive for larger than 1200px screen */
@media (min-width: 1200px) {

    /* Custom Property */
    :root {
        /* font size */
        --heading: 8rem;
        --title-2: 2rem
    }

    /* Reused Style */
    .container {padding: 40px;}
    .card-lg {padding: 36px;}
    .card-sm {padding: 24px;} 
    .title-1 {--title-1: 3.6rem;}
    .highlight-card.two .card-item {column-gap: 24px;}

    /* Header */
    .header .icon-btn {display: none;}
    .logo img {width: 200px;}
    .header {position: relative; height: 120px; z-index: 4;}
    .header .container {padding-block: 0; height: 100%;}

    .search-view,
    .search-view.active {all: unset; display: block; position: relative; width: 500px; animation: none;}
    .search-wrapper {border-block-end: none;}
    .search-wrapper > .m-icon {display: block;}
    .search-field,
    .search-view .view-list {background-color: var(--surface);}

    .search-field {height: 56px; border-radius: var(--radius-28)}

    .search-result,
    .search-view:not(:focus-within) .search-result {display: none;}
    .search-view:focus-within .search-result.active {display: block;}
    .search-view:has(.search-result.active) {border-bottom-left-radius: 0; border-bottom-right-radius: 0;}
    .search-view .view-list{position: absolute; top: 110%; left: 0; width: 100%; max-height: 360px; border-radius: var(--radius-28) var(--radius-28); border-block-start: 1px solid var(--outline); overflow-y: auto; /* For Firefox */ overflow-y: overlay; }
    .search-view .view-list:empty {min-height: 120px;}
    .search-view .view-list::-webkit-scrollbar-button{height: 20px;}
    .search-view:is(:hover, :has(.view-list):hover) {filter: drop-shadow(var(--shadow-1));}
    .search-view:is(:focus-within, :has(.view-list):focus-within){filter: drop-shadow(var(--shadow-2));}


    /* Main */
    main {height: calc(100vh - 120px); height: calc(100svh - 120px);}

    article.container {grid-template-columns: 360px minmax(0, 1fr); gap: 40px;}

    .current-weather .weather-icon {width: 80px;}
    .forecast-card .title-2 {--title-2: 2.1rem;}
    .highlight-card:nth-child(-n+2) {height: 200px;}
    .highlight-card:nth-child(n+3) {height: 150px;}
    .highlight-card .m-icon {font-size: 4.8rem;}
    .slider-list {gap: 16px;}
     
}

/* Responsive for larger than 1400px screen */
@media (min-width: 1400px){
    .highlight-list {grid-template-columns: repeat(4, 1fr);}
}