/* Default theme (fallback for browsers that don't support prefers-color-scheme) */
:root {
    /* Using light theme as default for better compatibility */
    --text: #031921;
    --background: #f5fcff;
    --primary: #0b6189;
    --secondary: #e1f66a;
    --accent: #8dcc0f;
    --success: #00ff00;
    --warning: #ffff00;
    --error: #ff0000;

    --black: #000000;
    --white: #ffffff;

    --text-50: #e8f7fd;
    --text-100: #d0effb;
    --text-200: #a2e0f6;
    --text-300: #73d0f2;
    --text-400: #44c1ee;
    --text-500: #16b1e9;
    --text-600: #118ebb;
    --text-700: #0d6a8c;
    --text-800: #09475d;
    --text-900: #04232f;
    --text-950: #021217;

    --background-50: #e5f7ff;
    --background-100: #ccf0ff;
    --background-200: #99e0ff;
    --background-300: #66d1ff;
    --background-400: #33c2ff;
    --background-500: #00b2ff;
    --background-600: #008fcc;
    --background-700: #006b99;
    --background-800: #004766;
    --background-900: #002433;
    --background-950: #00121a;

    --primary-50: #e7f6fd;
    --primary-100: #d0edfb;
    --primary-200: #a1dcf7;
    --primary-300: #71caf4;
    --primary-400: #42b9f0;
    --primary-500: #13a7ec;
    --primary-600: #0f86bd;
    --primary-700: #0b648e;
    --primary-800: #08435e;
    --primary-900: #04212f;
    --primary-950: #021118;

    --secondary-50: #fafee7;
    --secondary-100: #f5fccf;
    --secondary-200: #ecf99f;
    --secondary-300: #e2f76e;
    --secondary-400: #d9f43e;
    --secondary-500: #cff10e;
    --secondary-600: #a6c10b;
    --secondary-700: #7c9108;
    --secondary-800: #536006;
    --secondary-900: #293003;
    --secondary-950: #151801;

    --accent-50: #f6fde7;
    --accent-100: #edfbd0;
    --accent-200: #dbf8a0;
    --accent-300: #c8f471;
    --accent-400: #b6f141;
    --accent-500: #a4ed12;
    --accent-600: #83be0e;
    --accent-700: #628e0b;
    --accent-800: #425f07;
    --accent-900: #212f04;
    --accent-950: #101802;

    /* Typography variables */
    --font-primary: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-heading: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-mono: 'Cascadia Code', 'Fira Code', Consolas, 'Courier New', monospace;

    /* Spacing variables */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* Light theme */
@media (prefers-color-scheme: light) {
    :root {
        --text: #031921;
        --background: #f5fcff;
        --primary: #0b6189;
        --secondary: #e1f66a;
        --accent: #8dcc0f;
        --success: #00ff00;
        --warning: #ffff00;
        --error: #ff0000;

        --black: #000000;
        --white: #ffffff;

        --text-50: #e8f7fd;
        --text-100: #d0effb;
        --text-200: #a2e0f6;
        --text-300: #73d0f2;
        --text-400: #44c1ee;
        --text-500: #16b1e9;
        --text-600: #118ebb;
        --text-700: #0d6a8c;
        --text-800: #09475d;
        --text-900: #04232f;
        --text-950: #021217;

        --background-50: #e5f7ff;
        --background-100: #ccf0ff;
        --background-200: #99e0ff;
        --background-300: #66d1ff;
        --background-400: #33c2ff;
        --background-500: #00b2ff;
        --background-600: #008fcc;
        --background-700: #006b99;
        --background-800: #004766;
        --background-900: #002433;
        --background-950: #00121a;

        --primary-50: #e7f6fd;
        --primary-100: #d0edfb;
        --primary-200: #a1dcf7;
        --primary-300: #71caf4;
        --primary-400: #42b9f0;
        --primary-500: #13a7ec;
        --primary-600: #0f86bd;
        --primary-700: #0b648e;
        --primary-800: #08435e;
        --primary-900: #04212f;
        --primary-950: #021118;

        --secondary-50: #fafee7;
        --secondary-100: #f5fccf;
        --secondary-200: #ecf99f;
        --secondary-300: #e2f76e;
        --secondary-400: #d9f43e;
        --secondary-500: #cff10e;
        --secondary-600: #a6c10b;
        --secondary-700: #7c9108;
        --secondary-800: #536006;
        --secondary-900: #293003;
        --secondary-950: #151801;

        --accent-50: #f6fde7;
        --accent-100: #edfbd0;
        --accent-200: #dbf8a0;
        --accent-300: #c8f471;
        --accent-400: #b6f141;
        --accent-500: #a4ed12;
        --accent-600: #83be0e;
        --accent-700: #628e0b;
        --accent-800: #425f07;
        --accent-900: #212f04;
        --accent-950: #101802;
    }
}

/* Dark theme */
@media (prefers-color-scheme: dark) {
    :root {
        --text: #def4fc;
        --background: #00070a;
        --primary: #76ccf4;
        --secondary: #7e9309;
        --accent: #b0ef32;
        --success: #00ff00;
        --warning: #ffff00;
        --error: #ff0000;

        --black: #ffffff;
        --white: #000000;

        --text-50: #021217;
        --text-100: #04232f;
        --text-200: #09475d;
        --text-300: #0d6a8c;
        --text-400: #118ebb;
        --text-500: #16b1e9;
        --text-600: #44c1ee;
        --text-700: #73d0f2;
        --text-800: #a2e0f6;
        --text-900: #d0effb;
        --text-950: #e8f7fd;

        --background-50: #00121a;
        --background-100: #002433;
        --background-200: #004766;
        --background-300: #006b99;
        --background-400: #008fcc;
        --background-500: #00b2ff;
        --background-600: #33c2ff;
        --background-700: #66d1ff;
        --background-800: #99e0ff;
        --background-900: #ccf0ff;
        --background-950: #e5f7ff;

        --primary-50: #021118;
        --primary-100: #04212f;
        --primary-200: #08435e;
        --primary-300: #0b648e;
        --primary-400: #0f86bd;
        --primary-500: #13a7ec;
        --primary-600: #42b9f0;
        --primary-700: #71caf4;
        --primary-800: #a1dcf7;
        --primary-900: #d0edfb;
        --primary-950: #e7f6fd;

        --secondary-50: #151802;
        --secondary-100: #293003;
        --secondary-200: #526006;
        --secondary-300: #7c9009;
        --secondary-400: #a5c00c;
        --secondary-500: #cef00f;
        --secondary-600: #d8f33f;
        --secondary-700: #e2f66f;
        --secondary-800: #ebf99f;
        --secondary-900: #f5fccf;
        --secondary-950: #fafde7;

        --accent-50: #101802;
        --accent-100: #212f04;
        --accent-200: #425f07;
        --accent-300: #628e0b;
        --accent-400: #83be0e;
        --accent-500: #a4ed12;
        --accent-600: #b6f141;
        --accent-700: #c8f471;
        --accent-800: #dbf8a0;
        --accent-900: #edfbd0;
        --accent-950: #f6fde7;
    }
}

pre {
    overflow: auto;
    background: linear-gradient(
            45deg,
            color-mix(in srgb, var(--primary) 5%, var(--background)),
            color-mix(in srgb, var(--primary) 3.5%, var(--background))
    );
    padding: 1em;
    box-shadow: 0 0 5px black inset;
}

.w50 {
    width: 50%;
}

.w75 {
    width: 75%;
}

.w100 {
    width: 100%;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--accent);
}

/* Modern Button Styles */
button {
    background: var(--primary-200);
    color: var(--text);
    border: none;
    padding: var(--space-md) var(--space-lg);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    position: relative;
    overflow: hidden;
}

button::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
    opacity: 0;
    transition: opacity var(--transition-fast);
}

button:hover {
    background: var(--primary-300);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

button:hover::after {
    opacity: 1;
}

button:active {
    background: var(--primary-100);
    transform: translateY(1px);
    box-shadow: var(--shadow-sm);
}

button:focus-visible {
    outline: 2px solid var(--primary-400);
    outline-offset: 2px;
}

button:disabled {
    background: var(--primary-50);
    color: var(--text-200);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

button.secondary {
    background: var(--secondary-200);
    color: var(--text);
}

button.secondary:hover {
    background: var(--secondary-300);
}

button.secondary:active {
    background: var(--secondary-100);
}

button.secondary:disabled {
    background: var(--secondary-50);
    color: var(--text-200);
}

button.accent {
    background: var(--accent-200);
    color: var(--text);
}

button.accent:hover {
    background: var(--accent-300);
}

button.accent:active {
    background: var(--accent-100);
}

button.small {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.875rem;
}

button.large {
    padding: var(--space-lg) var(--space-xl);
    font-size: 1.25rem;
}

button:disabled,
button:disabled:hover,
button:disabled:active {
    background: var(--primary-50);
    color: var(--text-200);
    box-shadow: none;
    transform: none;
}

/* Modern Form Styles */
form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    display: grid;
    grid-template-columns: 25% 1fr;
    grid-template-rows: auto auto;
    grid-template-areas:
        "Label Input"
        "Subtext Input";
    gap: var(--space-xs) var(--space-md);
    align-items: center;
}

.form-group label {
    grid-area: Label;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text);
}

.form-group input, .form-group textarea, .form-group select {
    grid-area: Input;
    border: 1px solid color-mix(in srgb, var(--primary) 20%, transparent);
    background: color-mix(in srgb, var(--background) 95%, var(--primary));
    padding: var(--space-md);
    border-radius: var(--radius-md);
    color: var(--text);
    width: 100%;
    resize: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    border-color: var(--primary-400);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary-400) 30%, transparent);
    outline: none;
}

.form-group small {
    grid-area: Subtext;
    color: var(--text-300);
    font-size: 0.875rem;
}

/* Responsive form */
@media (max-width: 768px) {
    .form-group {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        grid-template-areas:
            "Label"
            "Input"
            "Subtext";
    }
    
    .form-group label {
        margin-bottom: var(--space-xs);
    }
    
    .form-group small {
        margin-top: var(--space-xs);
    }
}

/* Base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font-primary);
    scrollbar-color: var(--primary-200) var(--primary-100);
    scrollbar-width: thin;
}

/* Improved link styles with transitions */
a {
    text-decoration: none;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

a:link {
    color: var(--accent-400);
}

a:visited {
    color: var(--accent-700);
}

a:hover {
    color: var(--accent-500);
}

a:active {
    color: var(--accent-300);
}

/* Focus styles for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--primary-400);
    outline-offset: 2px;
}

body {
    background: linear-gradient(
            135deg,
            var(--background),
            color-mix(in srgb, var(--background-50) 70%, var(--background)));
    color: var(--text);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
    font-size: 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

p {
    margin-bottom: var(--space-md);
}

ul {
    list-style: none;
}

hr {
    width: 100%;
    height: 1px;
    border: none;
    background: radial-gradient(closest-side, var(--background-200), transparent);
    margin: var(--space-md) 0;
}

code, pre {
    font-family: var(--font-mono);
}

section.page {
    padding: var(--space-xl);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    body {
        font-size: 15px;
    }
    
    section.page {
        padding: var(--space-lg);
    }
}

/* outlinks */
.outlinks {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 1em;
    margin-top: 1em;
}

.outlinks > a {
    color: var(--primary-200);
    text-decoration: none;
    padding: 0.5em;
}

.outlinks > a:hover {
    color: var(--primary-400);
}

.outlinks > a.active {
    color: var(--accent);
    background: linear-gradient(
            135deg,
            color-mix(in srgb, var(--accent-300) 10%, transparent),
            color-mix(in srgb, var(--accent-300) 7%, transparent));
}

.outlinks > a:hover {
    color: var(--accent-600);
    background: linear-gradient(
            135deg,
            color-mix(in srgb, var(--accent-500) 10%, transparent),
            color-mix(in srgb, var(--accent-500) 7%, transparent));
}


/* Navigation */
header.page {
    display: flex;
    text-transform: uppercase;
    justify-content: center;
    padding: var(--space-md) var(--space-lg);
    flex-direction: column;
    align-items: center;
    background: linear-gradient(
            135deg,
            color-mix(in srgb, var(--primary) 5%, var(--background)),
            color-mix(in srgb, var(--primary-50) 3%, var(--background-50)));
    position: sticky;
    top: 0;
    z-index: 10000;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

header.page > hr {
    height: 1px;
    width: 100%;
    background: linear-gradient(
            135deg,
            var(--text-100),
            var(--text-200));
    border: none;
    margin: var(--space-sm) 0;
}

nav.page {
    margin-top: var(--space-sm);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xs);
}

nav.page > a {
    color: var(--primary-500);
    text-decoration: none;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    position: relative;
}

nav.page > a.active {
    color: var(--accent);
    background: linear-gradient(
            135deg,
            color-mix(in srgb, var(--accent-300) 10%, transparent),
            color-mix(in srgb, var(--accent-300) 7%, transparent));
}

nav.page > a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 25%;
    width: 50%;
    height: 2px;
    background-color: var(--accent);
    border-radius: var(--radius-full);
}

nav.page > a:hover {
    color: var(--accent-600);
    background: linear-gradient(
            135deg,
            color-mix(in srgb, var(--accent-500) 10%, transparent),
            color-mix(in srgb, var(--accent-500) 7%, transparent));
    transform: translateY(-2px);
}

header.page > sup {
    color: var(--primary-500);
    opacity: 0.6;
    font-size: x-small;
    font-style: italic;
    margin-bottom: var(--space-xs);
    text-align: center;
}

/* Responsive navigation */
@media (max-width: 768px) {
    nav.page {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    nav.page > a {
        width: 100%;
        text-align: center;
        padding: var(--space-sm);
    }
    
    header.page > sup {
        display: none;
    }
}

/* Interactions */
aside.interactions {
    position: fixed;
    bottom: 0.5em;
    right: 0.5em;
    display: flex;
    gap: 0.5em;
    flex-direction: column;
    align-items: flex-end;
    font-size: xx-large;
    line-height: 0;
}

aside.interactions > a {
    color: var(--primary-500);
    padding: 0.25em;
    border-radius: 10em;
    background: linear-gradient(
            135deg,
            var(--primary-100),
            color-mix(in srgb, var(--primary-200) 25%, var(--primary-100)));
}

aside.interactions > a:hover {
    color: var(--primary-600);
    background: linear-gradient(
            135deg,
            var(--primary-200),
            color-mix(in srgb, var(--primary-300) 25%, var(--primary-200)));
}

/* Blog CSS (& paper) */
#content {
    display: flex;
    flex-direction: column;
    gap: 2em;
    align-items: center;
    flex-wrap: nowrap;
    overflow: auto;
    margin-left: auto;
    margin-right: auto;
}

.paper, .blog.post {
    background: linear-gradient(
            45deg,
            color-mix(in srgb, var(--primary) 10%, var(--background)),
            color-mix(in srgb, var(--primary) 7%, var(--background)));
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    margin-bottom: var(--space-lg);
}

.paper:hover, .blog.post:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.blog.post {
    width: 100%;
}

.paper h1, .paper h2, .blog.post h1 {
    color: var(--accent);
    width: 100%;
    font-weight: 700;
    letter-spacing: -0.02em;
}

address.blog {
    color: var(--accent-200);
    font-style: italic;
    font-size: smaller;
}

address.blog::before {
    content: "by ";
}

time.blog {
    color: var(--accent-200);
    font-style: italic;
    font-size: smaller;
}

header.blog {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid color-mix(in srgb, var(--primary) 15%, transparent);
}

footer.blog {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    margin-top: var(--space-lg);
    padding-top: var(--space-sm);
    border-top: 1px solid color-mix(in srgb, var(--primary) 15%, transparent);
}

/* Responsive blog post */
@media (max-width: 768px) {
    .paper, .blog.post {
        padding: var(--space-md);
    }
    
    header.blog {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
    
    footer.blog {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .blog.tags, .blog.links {
        width: 100%;
    }
}

.blog.tags {
    display: flex;
    font-size: xx-small;
    gap: 1em;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.blog.tags > * {
    color: var(--primary);
    background: linear-gradient(
            135deg,
            color-mix(in srgb, var(--primary) 10%, transparent),
            color-mix(in srgb, var(--primary) 7%, transparent));
    text-decoration: none;
    padding: 0.5em 1em;
    border-radius: 0.5em;
}

.blog.tags > *:hover {
    background: linear-gradient(
            135deg,
            color-mix(in srgb, var(--primary) 50%, transparent),
            color-mix(in srgb, var(--primary) 40%, transparent));
}

.blog.links {
    display: flex;
    gap: 1em;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.blog.links > * {
    color: var(--primary-500);
    text-decoration: none;
    padding: 0.5em;
    margin: -0.5em;
    display: flex;
    gap: 0.5em;
}

.form-group.checkbox-group input {
    width: auto;
    justify-self: start;
}

.inline-form {
    display: inline-flex;
    width: auto;
    margin: 0;
}

.table-scroll {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid color-mix(in srgb, var(--primary) 20%, transparent);
    text-align: left;
    vertical-align: middle;
}

.blog.links > form.blog-action {
    flex-direction: row;
    gap: 0;
    width: auto;
    max-width: none;
    padding: 0;
}

.blog.links > form.blog-action > button {
    background: transparent;
    color: inherit;
    padding: 0.5em;
    font: inherit;
    font-weight: inherit;
    box-shadow: none;
}

.blog.links > form.blog-action > button:hover,
.blog.links > form.blog-action > button:active {
    background: transparent;
    transform: none;
    box-shadow: none;
}

.blog.links > * > *.tooltext,
.blog.links > form.blog-action > button > *.tooltext {
    opacity: 20%;
    overflow: hidden;
    transition: 0.1s ease-in-out;
}

.blog.links > *.error > *.tooltext,
.blog.links > form.blog-action.error > button > *.tooltext {
    opacity: 30%;
}

.blog.links > *:hover {
    color: var(--primary-600);
    background: linear-gradient(
            135deg,
            color-mix(in srgb, var(--primary-500) 10%, transparent),
            color-mix(in srgb, var(--primary-500) 7%, transparent));
    border-radius: 0.25em;
}

.blog.links > *:hover > .tooltext,
.blog.links > form.blog-action:hover > button > .tooltext {
    opacity: 100%;
    transition: width 0.5s ease-in-out;
}

.blog.links > *.error {
    color: var(--error);
}

.blog.links > *.error:hover {
    background: linear-gradient(
            135deg,
            color-mix(in srgb, var(--error) 10%, transparent),
            color-mix(in srgb, var(--error) 7%, transparent));
}

.blog.links > *.warning {
    color: var(--warning);
}

.blog.links > *.warning:hover {
    background: linear-gradient(
            135deg,
            color-mix(in srgb, var(--warning) 10%, transparent),
            color-mix(in srgb, var(--warning) 7%, transparent));
}

.blog.links > *.success {
    color: var(--success);
}

.blog.links > *.success:hover {
    background: linear-gradient(
            135deg,
            color-mix(in srgb, var(--success) 10%, transparent),
            color-mix(in srgb, var(--success) 7%, transparent));
}

.blog p {
    margin: 1em 0;
}
.blog ul {
    list-style: disc;
    margin-left: 1em;
}

/* Error 404, 500 */
.error404 img, .error500 img {
    display: block;
    margin: auto;
}


/* Timeline */

.timeline {
    display: flex;
    flex-direction: column;
    gap: 1em;
    position: relative;
    width: 100%;
}

.timeline::before {
    content: "";
    width: 0.125rem;
    background: linear-gradient(
            135deg,
            var(--primary-300),
            var(--primary-200));
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.timeline > .entry {
    display: flex;
    gap: 1em;
    align-items: center;
    position: relative;
}

.timeline > .entry > time {
    font-style: italic;
    font-size: smaller;
    text-align: center;
    padding: 0.5em;
    border-radius: 0.5em;
    color: var(--primary-200);
    background: var(--background-50);
}

.timeline > .entry > .content {
    padding: 1em;
    border-radius: 1em;
    width: 51%;
}

/* every second entry is on the right */
.timeline > .entry:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline ul {
    list-style: outside;
    margin: 1em;
    gap: 0.25em;
    display: flex;
    flex-direction: column;
}

.timeline .highlight {
    color: var(--secondary);
}

/* Project cards */
.card {
    display: flex;
    flex-direction: row;
    background: linear-gradient(
            135deg,
            color-mix(in srgb, var(--primary) 20%, var(--background)),
            color-mix(in srgb, var(--primary) 10%, var(--background)));
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    width: 100%;
    overflow: hidden;
    height: 16em;
    margin-bottom: var(--space-xl);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card img {
    height: 16em;
    object-fit: cover;
    background: var(--secondary);
    border-right: 2px solid color-mix(in srgb, var(--primary) 30%, transparent);
}

.card .content {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    width: 100%;
    gap: var(--space-sm);
}

.card .card-title {
    margin-bottom: var(--space-xs);
    color: var(--accent);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.card .card-text {
    flex-grow: 1;
    overflow: auto;
    padding-right: var(--space-sm);
    scrollbar-width: thin;
}

.card .card-subtext {
    font-size: x-small;
    color: var(--text-300);
    font-style: italic;
    margin-bottom: var(--space-xs);
}

.buttonlinks {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    justify-content: flex-end;
    margin-top: var(--space-sm);
}

.buttonlinks a {
    color: var(--primary-500);
    text-decoration: none;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    background: linear-gradient(
            135deg,
            color-mix(in srgb, var(--primary-200) 25%, var(--primary-100)),
            color-mix(in srgb, var(--primary-200) 50%, var(--primary-100)));
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.buttonlinks a:hover {
    color: var(--primary-600);
    background: linear-gradient(
            135deg,
            color-mix(in srgb, var(--primary-300) 25%, var(--primary-200)),
            color-mix(in srgb, var(--primary-300) 50%, var(--primary-200)));
    transform: translateY(-2px);
}

.buttonlinks a i {
    font-size: 1.1em;
}

/* Responsive cards */
@media (max-width: 768px) {
    .card {
        flex-direction: column;
        height: auto;
        max-height: none;
    }
    
    .card img {
        width: 100%;
        height: 200px;
        border-right: none;
        border-bottom: 2px solid color-mix(in srgb, var(--primary) 30%, transparent);
    }
    
    .buttonlinks {
        justify-content: center;
    }
}


/* Error messages */
.login-error {
    background: var(--error);
    color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--space-md);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    position: relative;
}

.login-error::before {
    content: '⚠️';
    font-size: 1.2em;
}

/* Skip to content link for accessibility */
.skip-to-content {
    position: absolute;
    top: -9999px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-300);
    color: var(--text);
    padding: var(--space-md);
    z-index: 10001;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    transition: top var(--transition-fast);
}

.skip-to-content:focus {
    top: 0;
}

/* Improved accessibility for focus states */
:focus {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--primary-400);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (forced-colors: active) {
    button, a, .card, .blog.post, .paper {
        border: 1px solid;
    }
    
    button:hover, a:hover {
        text-decoration: underline;
    }
}