/* Reset and base styles */
* {
    box-sizing: border-box;
}

html {
    color-scheme: light dark;
    scrollbar-gutter: stable;
}

/* CSS Custom Properties for theming */
:root {
    /* Light theme colors */
    --color-global-bg: oklch(98.48% 0 0);
    --color-global-text: oklch(26.99% 0.0096 235.05);
    --color-link: oklch(55.44% 0.0431 185.69);
    --color-accent: #af67ff;
    --color-accent-2: oklch(18.15% 0 0);
    --color-quote: #af67ff;
    --color-border: #e5e7eb;
    --color-card-bg: rgba(255, 255, 255, 0.8);
    --color-shadow: rgba(0, 0, 0, 0.1);
}

/* Dark theme colors */
[data-theme="dark"] {
    --color-global-bg: oklch(23.64% 0.0045 248);
    --color-global-text: oklch(83.54% 0 264);
    --color-link: oklch(70.44% 0.1133 349);
    --color-accent: #5ff26b;
    --color-accent-2: oklch(94.66% 0 0);
    --color-quote: oklch(94.8% 0.106 136.49);
    --color-border: #374151;
    --color-card-bg: rgba(31, 41, 55, 0.8);
    --color-shadow: rgba(0, 0, 0, 0.3);
}

/* Base typography */
body {
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: var(--color-global-bg);
    color: var(--color-global-text);
    padding-top: 4rem;
}

/* Utility classes */
.bg-global-bg { background-color: var(--color-global-bg); }
.text-global-text { color: var(--color-global-text); }
.antialiased { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* Layout utilities */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-3 { gap: 0.75rem; }
.h-4 { height: 1rem; }
.w-4 { width: 1rem; }
.h-7 { height: 1.75rem; }
.w-7 { width: 1.75rem; }
.p-1 { padding: 0.25rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-16 { margin-bottom: 4rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-3xl { max-width: 48rem; }
.text-center { text-align: center; }
.text-xl { font-size: 1.25rem; }
.text-sm { font-size: 0.875rem; }
.font-bold { font-weight: 700; }
.rounded-md { border-radius: 0.375rem; }
.border { border-width: 1px; }
.opacity-75 { opacity: 0.75; }

/* Header styles */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background-color: var(--color-global-bg);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
}

.header-grid {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    gap: 1rem;
    max-width: 48rem;
    margin: 0 auto;
    padding: 0 1rem;
}

.header-logo {
    text-decoration: none;
}

.logo-img {
    height: 2.5rem;
    width: auto;
    border-radius: 0.375rem;
}

.header-title {
    text-align: center;
}

.header-nav {
    display: none;
    gap: 1.5rem;
}

.header-nav a {
    text-decoration: none;
    color: var(--color-global-text);
}

.header-nav a:hover {
    color: var(--color-accent);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Theme toggle */
.theme-toggle-btn {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
    background-color: color-mix(in srgb, var(--color-accent-2) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--color-accent-2) 20%, transparent);
    color: var(--color-global-text);
    cursor: pointer;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

#theme-toggle {
    background-color: color-mix(in srgb, var(--color-accent-2) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--color-accent-2) 20%, transparent);
    color: var(--color-global-text);
    cursor: pointer;
}

.theme-toggle-btn:hover, #theme-toggle:hover {
    background-color: color-mix(in srgb, var(--color-accent-2) 10%, transparent);
}

.sun-icon, .moon-icon {
    display: none;
}

[data-theme="light"] .moon-icon,
[data-theme="dark"] .sun-icon {
    display: block;
}

/* Mobile menu toggle */
#toggle-navigation-menu {
    background-color: rgba(var(--color-accent-2), 0.1);
    border: 1px solid rgba(var(--color-accent-2), 0.2);
    color: var(--color-global-text);
    cursor: pointer;
}

#toggle-navigation-menu svg:last-child {
    display: none;
}

#toggle-navigation-menu[aria-expanded="true"] svg:first-child {
    display: none;
}

#toggle-navigation-menu[aria-expanded="true"] svg:last-child {
    display: block;
}

/* Mobile navigation */
.mobile-nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-global-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
}

.mobile-nav-menu.show {
    display: flex;
}

/* Typography */
.title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-global-text);
    margin: 0;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-global-text);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }

/* Links */
a {
    color: var(--color-link);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Lists */
.list-inline {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.list-inline li {
    display: inline-flex;
    align-items: center;
}

/* Authors and affiliations */
.authors {
    font-size: 1.125rem;
    font-weight: 500;
}

.affiliations img {
    max-height: 48px;
    width: auto;
}

.conference-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-accent);
}

/* Action buttons */
.action-buttons {
    display: flex;
    justify-content: center;
    margin: 2rem 0;
}

.nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-pills {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.nav-pills li {
    text-align: center;
}

.nav-pills a {
    display: block;
    padding: 1rem;
    text-decoration: none;
    color: var(--color-global-text);
    border-radius: 0.5rem;
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    box-shadow: 0 1px 3px var(--color-shadow);
}

.nav-pills a:hover {
    background-color: color-mix(in srgb, var(--color-accent) 50%, transparent);
    color: var(--color-global-text);
}

.nav-pills h4 {
    margin: 0.5rem 0 0 0;
    font-size: 1rem;
    font-weight: 600;
}

.nav-pills img {
    max-height: 60px;
    width: auto;
    margin-bottom: 0.5rem;
}

/* Icon masks */
.nav-pills .icon {
    display: inline-block;
    width: 60px;
    height: 60px;
    margin-bottom: 0.5rem;
}

.icon-github {
    background-color: currentColor;
    -webkit-mask-image: url('assets/github-mark.svg');
    mask-image: url('assets/github-mark.svg');
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
}

/* Video container */
.video-container {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
    border-radius: 0.5rem;
    box-shadow: 0 4px 8px var(--color-shadow);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Prose content */
.prose {
    max-width: none;
    color: var(--color-global-text);
}

.prose h2 {
    color: var(--color-accent);
    border-bottom: 2px solid var(--color-accent);
    padding-bottom: 0.5rem;
}

.prose h3 {
    color: var(--color-accent-2);
}

.prose p {
    margin-bottom: 1rem;
}

.prose ul, .prose ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.prose li {
    margin-bottom: 0.5rem;
}

.prose code {
    background-color: var(--color-card-bg);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    border: 1px solid var(--color-border);
}

.prose pre {
    background-color: var(--color-card-bg);
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    border: 1px solid var(--color-border);
}

.prose pre code {
    background: none;
    padding: 0;
    border: none;
}

.prose blockquote {
    border-left: 4px solid var(--color-quote);
    padding-left: 1rem;
    margin: 1rem 0;
    font-style: italic;
    color: var(--color-quote);
}

.prose img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    margin: 1rem 0;
}

.prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.prose th, .prose td {
    border: 1px solid var(--color-border);
    padding: 0.75rem;
    text-align: left;
}

.prose th {
    background-color: var(--color-card-bg);
    font-weight: 600;
}

/* Citation styles */
.citation-container {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: 0 2px 4px var(--color-shadow);
}

.citation-box {
    margin-top: 1rem;
}

.bibtex-textarea {
    width: 100%;
    height: 12rem;
    background-color: var(--color-global-bg);
    color: var(--color-global-text);
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    padding: 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    resize: vertical;
}

/* Loading spinner */
.loading-spinner {
    text-align: center;
    color: var(--color-accent);
    font-style: italic;
    padding: 2rem;
}

/* Media queries */
@media (min-width: 640px) {
    .header-nav {
        display: flex;
    }

    #toggle-navigation-menu {
        display: none;
    }

    .px-8 {
        padding-left: 2rem;
        padding-right: 2rem;
    }

    .text-2xl {
        font-size: 1.5rem;
    }
}

@media (max-width: 640px) {
    .header-grid {
        grid-template-columns: auto 1fr auto;
    }

    .header-nav {
        grid-column: 1 / -1;
        margin-top: 1rem;
    }

    .list-inline {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-pills {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .title {
        font-size: 2rem;
    }
}