@import "https://unpkg.com/open-props/easings.min.css";

/* --- Theme Variables --- */
:root {
    --bg-color: #f0f0f0;
    --text-color: #222;
    --link-color: #555;
    --link-hover-color: #000;
    --toggle-bg: #e0e0e0;
    --icon-fill: #222;
    --icon-fill-hover: #000;
}

[data-theme="dark"] {
    --bg-color: #1c2027;
    --text-color: #c9d1d9;
    --link-color: #8892b0;
    --link-hover-color: #c9d1d9;
    --toggle-bg: #2d333b;
    --icon-fill: #c9d1d9;
    --icon-fill-hover: #ffffff;
}

/* --- Base Styles --- */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    /* This wrapper centers the content block vertically and horizontally */
    display: grid;
    place-items: center;
    min-height: 100vh;
    margin: 0;
}

/* --- Main Content Container --- */
.main-container {
    width: 100%;
    max-width: 500px;
    padding: 2rem;
}

/* --- Header & Typography --- */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

h1 {
    font-family: 'Lora', serif;
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--text-color);
    margin: 0;
}

p {
    margin-bottom: 1rem;
    font-size: 1rem;
}

/* --- Links --- */
a {
    color: var(--link-color);
    text-decoration: none;
    position: relative;
    transition: color 0.2s ease-in-out;
}

a:hover {
    color: var(--link-hover-color);
}

a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -2px;
    left: 0;
    background-color: var(--link-hover-color);
    transition: width 0.3s ease-in-out;
}

a:hover::after {
    width: 100%;
}

/* --- Footer Links --- */
footer a {
    margin-right: 1.5rem;
    font-size: 0.9rem;
}

/* --- Theme Toggle Button --- */
.theme-toggle {
    --size: 2rem;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    margin-left: 1rem;
    width: var(--size);
    height: var(--size);
    display: flex;
    justify-content: center;
    align-items: center;
}

.sun-and-moon > :is(.moon, .sun, .sun-beams) {
    transform-origin: center;
}

.sun-and-moon > :is(.moon, .sun) {
    fill: var(--icon-fill);
}

.theme-toggle:is(:hover, :focus-visible) > .sun-and-moon > :is(.moon, .sun) {
    fill: var(--icon-fill-hover);
}

.sun-and-moon > .sun-beams {
    stroke: var(--icon-fill);
    stroke-width: 2px;
}

.theme-toggle:is(:hover, :focus-visible) .sun-and-moon > .sun-beams {
    stroke: var(--icon-fill-hover);
}

[data-theme="dark"] .sun-and-moon > .sun {
    transform: scale(1.75);
}

[data-theme="dark"] .sun-and-moon > .sun-beams {
    opacity: 0;
}

[data-theme="dark"] .sun-and-moon > .moon > circle {
    transform: translateX(-7px);
}

@supports (cx: 1) {
    [data-theme="dark"] .sun-and-moon > .moon > circle {
        cx: 17;
        transform: translateX(0);
    }
}

@media (prefers-reduced-motion: no-preference) {
    .sun-and-moon > .sun {
        transition: transform .5s var(--ease-elastic-3);
    }

    .sun-and-moon > .sun-beams {
        transition: transform .5s var(--ease-elastic-4), opacity .5s var(--ease-3);
    }

    .sun-and-moon .moon > circle {
        transition: transform .25s var(--ease-out-5);
    }

    @supports (cx: 1) {
        .sun-and-moon .moon > circle {
            transition: cx .25s var(--ease-out-5);
        }
    }

    [data-theme="dark"] .sun-and-moon > .sun {
        transition-timing-function: var(--ease-3);
        transition-duration: .25s;
        transform: scale(1.75);
    }

    [data-theme="dark"] .sun-and-moon > .sun-beams {
        transition-duration: .15s;
        transform: rotateZ(-25deg);
    }

    [data-theme="dark"] .sun-and-moon > .moon > circle {
        transition-duration: .5s;
        transition-delay: .25s;
    }
}