@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300..700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=Geist:wght@100..900&family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

/* Light Mode */
:root {
    color-scheme: light;
    --accent: #3399FF;
    --accent-secondary: hsl(230, 56%, 80%);

    --text: hsl(0, 0%, 5%);
    --text-disabled: hsl(0, 0%, 50%);

    --bg-dark: #B3DCFF;
    --bg: #E5F3FF;
    --bg-light: #FAFDFF;
    --nav: rgb(179, 220, 255, 0.65);
    --border: #99C2E6;

    --blur: 0.5rem;
    --blur-edge: 0.25rem;
}

/* Dark Mode */
[data-color-scheme="dark"] {
    color-scheme: dark;

    --accent-secondary: hsl(230, 56%, 20%);

    --text: hsl(0, 0%, 95%);

    --bg-dark: #0D1722;
    --bg: #15222E;
    --bg-light: #223344;
    --nav: rgb(10, 18, 26, 0.65);
    --border: #060B10;
}

body {
    font-family: 'Space Grotesk';
    background-color: var(--bg);
    transition: transform 0.25s ease, color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
}

.glass-backdrop {
    position: absolute;
    inset: 0;
    -webkit-backdrop-filter: blur(var(--blur)) brightness(105%);
    backdrop-filter: blur(var(--blur)) brightness(105%);
    background: linear-gradient(to bottom, var(--bg), transparent 50%);
    pointer-events: none;

    height: 200%;
    -webkit-mask-image: linear-gradient(to bottom,
            black 0% 50%,
            transparent 50% 100%);
    mask-image: linear-gradient(to bottom,
            black 0% 50%,
            transparent 50% 100%);
}

.glass-edge {
    position: absolute;
    height: 2px;
    -webkit-backdrop-filter: blur(var(--blur-edge)) brightness(95%);
    backdrop-filter: blur(var(--blur-edge)) brightness(95%);
    transform: translateY(100%);
    pointer-events: none;

    height: 100%;
    inset: 0;
    -webkit-mask-image: linear-gradient(to bottom,
            black 0,
            black 2px,
            transparent 2px);
    mask-image: linear-gradient(to bottom,
            black 0,
            black 2px,
            transparent 2px);
}

header {
    position: sticky;
    top: 0;
    width: 100%;
    transition: transform 0.25s ease, color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

nav a {
    color: var(--text);
    border: none;
    position: relative;
    transition: transform 0.25s ease, color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

nav a:hover {
    transform: scale(1.1);
    color: var(--text);
    border: none;
    transition: transform 0.25s ease, color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

.my-container {
    background-color: var(--bg-light);
    border-radius: 2rem;
}

.my-preview {
    background-color: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 1rem;
}

.my-preview .preview-container {
    background-color: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 0.75rem;
}

a {
    color: var(--accent);
    text-decoration: none;
    display: inline-block;
    margin: 0;
}

a:after {
    display: block;
    content: '';
    border-bottom: 1px solid var(--accent);
    transform: scaleX(0);
    transition: transform 0.25s ease-in-out;
}

a:hover:after {
    transform: scaleX(1);
}

button {
    background-color: var(--bg-dark);
    padding: 0.5rem 1rem;
    border-radius: 4rem;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

button:hover {
    transform: scale(1.05);
}

button:active {
    transform: scale(0.9);
    /*box-shadow: 0 0 0 2px var(--accent);*/
}

input {
    border: 1px solid var(--border);
    border-radius: 4rem;
}

footer {
    background-color: var(--bg-dark);
    border-top: 1px solid var(--text);
}

input[type="checkbox"],
input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.custom-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  cursor: pointer;
}

.custom-checkbox span {
  width: 18px;
  height: 18px;
  border: 2px solid var(--accent);
  border-radius: 4px;
  display: inline-block;
  position: relative;
  transition: all 0.2s ease;
}

/* Checkmark when checked */
.custom-checkbox input:checked + span::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  background: none;
}

/* Add filled background when checked */
.custom-checkbox input:checked + span {
  background-color: var(--accent);
  border-color: var(--accent);
}
.custom-radio {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  cursor: pointer;
}

.custom-radio span {
  width: 18px;
  height: 18px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  position: relative;
  transition: all 0.2s ease;
}

.custom-radio input:checked + span::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 4px;
  width: 8px;
  height: 8px;
  background-color: var(--accent);
  border-radius: 50%;
}