/* Screen reader only texts */
.visually-hidden {
  width: 1px;
  height: 1px;
  overflow: hidden;

  position: absolute;
  left: -10000px;
}

/* Wrapper styles */
.wrapper {
  max-width: 1600px;
  width: 100%;
  margin-inline: auto;
  padding: 16px;
}

/* Section styles */
.section:not(:last-child) {
  margin-bottom: 16px;
}

/* Material symbols rounded icons setup styles */
@font-face {
  font-family: "Material Symbols Rounded";
  font-style: normal;
  font-weight: 400;
  src: url("../font/material-symbol-rounded.woff2") format("woff2");
}

.msr-icon {
  width: 1em;
  height: 1em;
  overflow: hidden;

  font-family: "Material Symbols Rounded";
  font-size: 2.4rem;
  font-style: normal;
  font-weight: normal;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;

  -webkit-font-feature-settings: "liga";
  font-feature-settings: "liga";

  -webkit-font-smoothing: antialiased;
}

/* Icon button styles */
.icon-btn {
  width: 48px;
  height: 48px;
  background-color: var(--white-alpha-8);
  border-radius: var(--br-circle);

  display: grid;
  place-items: center;
}

/* Anchor & button states styles */
.has-state {
  position: relative;
}

.has-state::before {
  content: "";
  border-radius: inherit;

  clip-path: circle(100% at 50% 50%);

  position: absolute;
  inset: 0;

  transition: var(--transition);
}

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

.has-state:hover::before {
  background-color: var(--white-alpha-4);
}

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

.has-state:is(:focus, :focus-visible)::before {
  background-color: var(--white-alpha-8);

  animation: ripple 250ms ease-in-out forwards;
}

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

  100% {
    clip-path: circle(100% at 50% 50%);
  }
}

/* Primary button styles */
.btn-primary {
  max-width: max-content;
  height: 48px;
  background-color: var(--primary);
  color: var(--on-primary);
  line-height: 48px;
  border-radius: var(--br-pill);
  padding-inline: 16px;

  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-primary .text {
  font-weight: var(--fw-semi-bold);
}

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

.btn-primary[disabled]::before {
  display: none;
  /* Prevents the ripple effect animation */
}

/* Weather card styles */
.card {
  background-color: var(--surface);
  color: var(--on-surface);
}

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

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

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

/* Title, body, & label styles */
.title-1 {
  font-size: var(--title-1);
}

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

.title-3 {
  font-size: var(--title-3);
  font-weight: var(--fw-semi-bold);
}

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

.body-2 {
  font-size: var(--body-2);
  font-weight: var(--fw-semi-bold);
}

.body-3 {
  font-size: var(--body-3);
}

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

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

/* AQI status styles */
.highlight-card .badge.aqi-1 {
  background-color: var(--bg-aqi-1);
  color: var(--on-bg-aqi-1);
}

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

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

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

.highlight-card .badge.aqi-5 {
  background-color: var(--bg-aqi-5);
  color: var(--on-bg-aqi-5);
}

/* Fade in animation */
.fade-in {
  animation: fadeIn 250ms ease-in-out forwards;
}

@keyframes fadeIn {
  0% {
    opacity: 0;
  }

  100% {
    opacity: 1;
  }
}

/* Responsiveness for screen sizes >= 768px */
@media (width >= 768px) {
  .wrapper {
    padding: 24px;
  }

  .section:not(:last-child) {
    margin-block: 20px;
  }

  .title-1 {
    --title-1: 2.4rem;
  }

  .section > .title-2 {
    margin-bottom: 16px;
  }

  .card-lg {
    padding: 24px;
  }

  .card-sm {
    padding: 20px;

    display: grid;
    grid-template-rows: min-content 1fr;
  }
}

/* Responsiveness for screen sizes >= 1200px */
@media (width >= 1200px) {
  .wrapper {
    padding: 40px;
  }

  .title-1 {
    --title-1: 3.6rem;
  }

  .card-lg {
    padding: 36px;
  }

  .card-sm {
    min-height: auto;
    padding: 24px;
  }
}