@font-face {
  font-family: "Barlow";
  src: url("fonts/barlow-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Barlow";
  src: url("fonts/barlow-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Barlow";
  src: url("fonts/barlow-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Barlow Condensed";
  src: url("fonts/barlow-condensed-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Barlow Condensed";
  src: url("fonts/barlow-condensed-800.woff2") format("woff2");
  font-weight: 800;
  font-display: swap;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
}

input,
select,
button,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: 0;
}

a {
  color: inherit;
}

a,
button,
label,
summary,
input,
select {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

:root {
  color-scheme: dark;

  --bg: #0E0F12;
  --surface: #16181C;
  --raised: #1C1F24;
  --glass: rgba(14, 15, 18, 0.84);

  --line: #2A2D33;
  --line-2: #3D414A;

  --text: #F3F1EE;
  --text-dim: #A6A9B0;
  --text-mute: #878A93;

  --red: #FF3008;
  --red-btn: #E0200A;
  --red-ink: #FF6A4D;
  --red-press: #B81B03;
  --red-tint: rgba(255, 48, 8, 0.16);
  --on-red: #FFFFFF;

  --gold: #FFC21A;

  --grade-a: #3FBF89;
  --grade-b: #63C463;
  --grade-c: #E0A93C;
  --grade-d: #E8834A;
  --grade-f: #E96A5E;
  --grade-s: #FFC21A;

  --grade-a-tint: rgba(63, 191, 137, 0.14);
  --grade-b-tint: rgba(99, 196, 99, 0.14);
  --grade-c-tint: rgba(224, 169, 60, 0.14);
  --grade-d-tint: rgba(232, 131, 74, 0.14);
  --grade-f-tint: rgba(233, 106, 94, 0.14);
  --grade-s-tint: rgba(255, 194, 26, 0.14);
  --grade-s-shine: rgba(255, 240, 194, 0.45);

  --lift: 0 0 0 1px rgba(255, 255, 255, 0.02), 0 14px 40px rgba(0, 0, 0, 0.4);
  --backdrop: rgba(6, 7, 9, 0.6);

  --tap: 60px;
  --radius: 22px;
  --radius-sm: 14px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --font: "Barlow", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-num: "Barlow Condensed", "Arial Narrow", system-ui, sans-serif;
}

:root[data-theme="day"] {
  color-scheme: light;

  --bg: #D5D8DC;
  --surface: #E1E4E7;
  --raised: #DADDE1;
  --glass: rgba(213, 216, 220, 0.86);

  --line: #BCC1C8;
  --line-2: #A2A8B1;

  --text: #121417;
  --text-dim: #454A52;
  --text-mute: #595F67;

  --red: #D8260B;
  --red-btn: #D8260B;
  --red-ink: #A01C06;
  --red-press: #A81A04;
  --red-tint: rgba(216, 38, 11, 0.13);

  --gold: #7A5E00;

  --grade-a: #0B5E3C;
  --grade-b: #28702A;
  --grade-c: #7A5800;
  --grade-d: #9C4A14;
  --grade-f: #962018;
  --grade-s: #7A5E00;

  --grade-a-tint: rgba(11, 94, 60, 0.13);
  --grade-b-tint: rgba(40, 112, 42, 0.13);
  --grade-c-tint: rgba(122, 88, 0, 0.13);
  --grade-d-tint: rgba(156, 74, 20, 0.13);
  --grade-f-tint: rgba(150, 32, 24, 0.13);
  --grade-s-tint: rgba(122, 94, 0, 0.14);
  --grade-s-shine: rgba(255, 246, 214, 0.7);

  --lift: 0 1px 2px rgba(18, 20, 23, 0.06), 0 10px 26px rgba(18, 20, 23, 0.1);
  --backdrop: rgba(30, 33, 38, 0.45);
}

[data-grade="A"] {
  --g: var(--grade-a);
  --g-tint: var(--grade-a-tint);
}

[data-grade="B"] {
  --g: var(--grade-b);
  --g-tint: var(--grade-b-tint);
}

[data-grade="C"] {
  --g: var(--grade-c);
  --g-tint: var(--grade-c-tint);
}

[data-grade="D"] {
  --g: var(--grade-d);
  --g-tint: var(--grade-d-tint);
}

[data-grade="F"] {
  --g: var(--grade-f);
  --g-tint: var(--grade-f-tint);
}

[data-grade="S"] {
  --g: var(--grade-s);
  --g-tint: var(--grade-s-tint);
}

[data-grade=""] {
  --g: var(--text-mute);
  --g-tint: var(--raised);
}

html {
  background: var(--bg);
  scroll-padding-top: 84px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

:focus-visible {
  outline: 3px solid var(--text);
  outline-offset: 3px;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

.skip {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 50;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  background: var(--text);
  color: var(--bg);
  font-weight: 700;
  transform: translateY(-200%);
}

.skip:focus {
  transform: none;
}

.icon {
  width: 1.25em;
  height: 1.25em;
  flex: none;
}

.app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.bar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: calc(10px + env(safe-area-inset-top, 0px)) 16px 10px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  font: 800 1.35rem/1 var(--font-num);
  letter-spacing: 0.01em;
  text-decoration: none;
}

.brand img {
  width: 30px;
  height: 30px;
}

@media (max-width: 359px) {
  .bar .brand {
    gap: 0;
    font-size: 0;
  }
}

.bar__right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.chip-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 15px 0 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 120ms var(--ease), border-color 160ms;
}

.chip-btn[hidden] {
  display: none;
}

.chip-btn .icon {
  width: 18px;
  height: 18px;
  color: var(--red-ink);
}

.chip-btn:active {
  transform: scale(0.97);
}

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  transition: transform 120ms var(--ease), border-color 160ms;
}

.theme-toggle .icon {
  width: 20px;
  height: 20px;
}

.theme-toggle:active {
  transform: scale(0.94);
}

.theme-toggle__moon {
  display: none;
}

:root[data-theme="day"] .theme-toggle__sun {
  display: none;
}

:root[data-theme="day"] .theme-toggle__moon {
  display: block;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin: 2px 16px 0;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--surface);
}

.tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 48px;
  border-radius: 13px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: background-color 160ms, color 160ms;
}

.tab .icon {
  width: 19px;
  height: 19px;
}

.tab[aria-current="page"] {
  background: var(--text);
  color: var(--bg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: var(--tap);
  padding: 0 20px;
  border-radius: 16px;
  font-weight: 700;
  font-size: 1.125rem;
  text-decoration: none;
  transition: transform 120ms var(--ease), background-color 160ms;
}

.btn .icon {
  width: 22px;
  height: 22px;
}

.btn:active {
  transform: scale(0.97);
}

.btn--go {
  background: var(--red-btn);
  color: var(--on-red);
  box-shadow: 0 8px 24px var(--red-tint);
}

.btn--go:active {
  background: var(--red-press);
}

.btn--quiet {
  background: var(--surface);
  border: 1.5px solid var(--line-2);
}

.credit {
  display: grid;
  justify-items: center;
  gap: 4px;
  padding: 8px 16px calc(28px + env(safe-area-inset-bottom, 0px));
  text-align: center;
  text-wrap: balance;
  font-size: 0.875rem;
  color: var(--text-mute);
}

.credit__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 18px;
}

.credit__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 600;
  color: var(--text-dim);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.credit__link--quiet {
  font-weight: 400;
  color: var(--text-mute);
  text-decoration: none;
}

.toggle {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: var(--tap);
  padding-top: 4px;
  cursor: pointer;
}

.toggle__track {
  position: relative;
  flex: none;
  width: 52px;
  height: 32px;
  border-radius: 999px;
  background: var(--line-2);
  transition: background-color 180ms;
}

.toggle__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #FFFFFF;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  transition: transform 220ms var(--ease);
}

.toggle__input:checked+.toggle__track {
  background: var(--red-btn);
}

.toggle__input:checked+.toggle__track .toggle__thumb {
  transform: translateX(20px);
}

.toggle__input:focus-visible+.toggle__track {
  outline: 3px solid var(--text);
  outline-offset: 3px;
}

.toggle__input:disabled+.toggle__track {
  opacity: 0.45;
}

.toggle--small {
  gap: 10px;
  min-height: 44px;
  padding-top: 0;
}

.toggle--small .toggle__track {
  width: 38px;
  height: 22px;
}

.toggle--small .toggle__thumb {
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
}

.toggle--small .toggle__input:checked+.toggle__track {
  background: var(--text-dim);
}

.toggle--small .toggle__input:checked+.toggle__track .toggle__thumb {
  transform: translateX(16px);
}

.toggle__text {
  display: grid;
  gap: 1px;
}

.toggle__label {
  font-weight: 700;
}

.toggle__hint {
  font-size: 0.875rem;
  line-height: 1.3;
  color: var(--text-dim);
}

@media (hover: hover) {
  .tab:not([aria-current="page"]):hover,
  .credit__link:hover {
    color: var(--text);
  }

  .chip-btn:hover,
  .theme-toggle:hover,
  .btn--quiet:hover {
    border-color: var(--text-mute);
  }

  .btn--go:hover {
    background: var(--red-press);
  }
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}