:root {
  --bg-primary: white;
  --bg-secondary: hsl(0 0% 95%);
  --bg-tertiary: hsl(0 0% 90%);

  --color-text: black;
  --color-text-invert: white;
  --color-accent: hsl(210, 100%, 30%);
  --color-success: hsl(105, 100%, 30%);
  --color-error: hsl(0, 100%, 30%);

  --border-primary: 0.0625rem solid var(--bg-tertiary);
  --border-radius: 0.125rem;

  /* Step -1: 14.9953px → 14.9953px */
  --font-size--1: clamp(0.9372rem, 0.9372rem + 0cqi, 0.9372rem);
  /* Step 0: 16px → 16px */
  --font-size-0: clamp(1rem, 1rem + 0cqi, 1rem);
  /* Step 1: 17.072px → 17.072px */
  --font-size-1: clamp(1.067rem, 1.067rem + 0cqi, 1.067rem);
  /* Step 2: 18.2158px → 18.2158px */
  --font-size-2: clamp(1.1385rem, 1.1385rem + 0cqi, 1.1385rem);
  /* Step 3: 19.4363px → 19.4363px */
  --font-size-3: clamp(1.2148rem, 1.2148rem + 0cqi, 1.2148rem);
  /* Step 4: 20.7385px → 20.7385px */
  --font-size-4: clamp(1.2962rem, 1.2962rem + 0cqi, 1.2962rem);
  /* Step 5: 22.128px → 22.128px */
  --font-size-5: clamp(1.383rem, 1.383rem + 0cqi, 1.383rem);

  /* Space 3xs: 4px → 5px */
  --space-3xs: clamp(0.25rem, 0.2336rem + 0.0822cqi, 0.3125rem);
  /* Space 2xs: 8px → 10px */
  --space-2xs: clamp(0.5rem, 0.4671rem + 0.1645cqi, 0.625rem);
  /* Space xs: 12px → 15px */
  --space-xs: clamp(0.75rem, 0.7007rem + 0.2467cqi, 0.9375rem);
  /* Space s: 16px → 20px */
  --space-s: clamp(1rem, 0.9342rem + 0.3289cqi, 1.25rem);
  /* Space m: 24px → 30px */
  --space-m: clamp(1.5rem, 1.4013rem + 0.4934cqi, 1.875rem);
  /* Space l: 32px → 40px */
  --space-l: clamp(2rem, 1.8684rem + 0.6579cqi, 2.5rem);
  /* Space xl: 48px → 60px */
  --space-xl: clamp(3rem, 2.8026rem + 0.9868cqi, 3.75rem);
  /* Space 2xl: 64px → 80px */
  --space-2xl: clamp(4rem, 3.7368rem + 1.3158cqi, 5rem);
  /* Space 3xl: 96px → 120px */
  --space-3xl: clamp(6rem, 5.6053rem + 1.9737cqi, 7.5rem);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: hsl(0 0% 15%);
    --bg-secondary: hsl(0 0% 20%);
    --bg-tertiary: hsl(0 0% 25%);

    --color-text: white;
    --color-text-invert: black;
    --color-accent: hsl(210, 100%, 80%);
    --color-success: hsl(105, 100%, 80%);
    --color-error: hsl(0, 100%, 80%);

    color-scheme: dark;
  }
}

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

body {
  line-height: 1.5;
  font-family: system-ui, sans-serif;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  min-block-size: 100vh;
}

section {
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
}

section + section {
  margin-block-start: var(--space-l);
}

button,
label,
select,
summary,
[role="button"],
[role="option"],
label[for="toggle-mobile-preview"] {
  cursor: pointer;
}

input,
button,
textarea,
select,
a[role="button"],
label[for="toggle-mobile-preview"] {
  font: inherit;
  color: inherit;
  border: var(--border-primary);
  border-radius: var(--border-radius);
  padding-inline: var(--space-2xs);
  padding-block: var(--space-3xs);
}

input,
textarea,
select {
  background-color: var(--bg-primary);
}

textarea {
  resize: vertical;
}

input[type="file"] {
  inline-size: 100%;
}

a {
  color: var(--color-accent);
}

a[role="button"] {
  display: inline-block;
  max-inline-size: fit-content;
  text-decoration: none;
}

button,
a[role="button"],
label[for="toggle-mobile-preview"] {
  background-color: var(--bg-secondary);
}

:is(button, a[role="button"], label[for="toggle-mobile-preview"]):hover {
  background-color: var(--bg-tertiary);
}

:is(a, button, input, textarea, select):focus,
#toggle-mobile-preview:checked + label {
  outline: 0.125rem solid var(--color-accent);
  outline-offset: 0.25rem;
}

img,
picture,
svg,
video {
  max-inline-size: 100%;
  block-size: auto;
}

ul,
ol {
  list-style: none;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

h6 {
  font-size: var(--font-size-0);
}
h5 {
  font-size: var(--font-size-1);
}
h4 {
  font-size: var(--font-size-2);
}
h3 {
  font-size: var(--font-size-3);
}
h2 {
  font-size: var(--font-size-4);
}
h1 {
  font-size: var(--font-size-5);
}

form[method="POST"] {
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
}

form > button[type="submit"] {
  max-inline-size: 30ch;
}

form[method="GET"] {
  display: grid;
  gap: var(--space-s);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20ch), 1fr));
  align-items: start;
}

form[method="GET"] > button[type="submit"] {
  align-self: end;
}

form label {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
  max-inline-size: 30ch;
}

form label:has(textarea) {
  max-inline-size: 65ch;
}

form .file-field {
  display: flex;
  align-items: end;
  gap: var(--space-2xs);
  flex-wrap: wrap;
}