@import url("https://fonts.googleapis.com/css2?family=Chivo+Mono:ital,wght@0,100..900;1,100..900&family=Faustina:ital,wght@0,300..800;1,300..800&display=swap");
/*@import url("https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap");*/
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

:root {
    /* Root Palette Colors - Tree & Wood Tones */
    --rusty-spice: #a54d28;
    /* Terracotta / Rust */
    --almond-cream: #e5d6c3;
    /* Warm sand / Birch bark */
    --dark-emerald: #086942;
    /* Moss green */
    --deep-forest: #12452c;
    /* Forest pine */
    --limestone: #f1edeb;
    /* Light clay / Limestone */

    /* Earthy additions */
    --forest-shadow: #0b1410;
    /* Deep forest canopy shadow (replacing deep-space-blue as dark bg) */
    --warm-soil: #1c130c;
    /* Rich dark soil (replacing deep-space-blue as light text) */
    --bark-brown: #3e2716;
    /* Dry tree bark brown */
    --dark-rust: #863615;
    /* High-contrast rusty spice for light theme text links */
    --night-card-bg: #050907;
    /* Solid moss-black green for the article card in night theme */

    /* High Contrast Tints for Dark Theme */
    --light-moss: #8cdbb9;
    /* Soft moss/mint for dark theme headers */
    --light-rust: #f09f7a;
    /* Soft terracotta for dark theme links */
    --light-gold: #e8cca5;
    /* Soft warm birch for hover highlights */

    /* Frosted / Transparent Variations */
    --white-translucent-15: rgba(255, 255, 255, 0.15);
    --deep-forest-translucent-08: rgba(18, 69, 44, 0.08);
    --limestone-translucent-06: rgba(241, 237, 235, 0.06);
    --limestone-translucent-08: rgba(241, 237, 235, 0.08);
    --moss-translucent-04: rgba(140, 219, 185, 0.04);
    --moss-translucent-08: rgba(140, 219, 185, 0.08);

    /* Theme Tokens - Light Mode (Limestone) */
    --bg-light: var(--limestone);
    --text-light: var(--warm-soil);
    --primary-light: var(--deep-forest);
    --accent-light: var(--dark-rust);
    --accent-hover-light: var(--dark-emerald);
    --card-bg-light: var(--white-translucent-15);
    --nav-hover-bg-light: var(--deep-forest-translucent-08);
    --divider-color-light: var(--deep-forest);
    --divider-opacity-light: 0.25;

    /* Theme Tokens - Dark Mode (Deep Forest) */
    --bg-dark: var(--deep-forest);
    --text-dark: var(--limestone);
    --primary-dark: var(--light-moss);
    --accent-dark: var(--light-rust);
    --accent-hover-dark: var(--light-gold);
    --card-bg-dark: var(--limestone-translucent-06);
    --nav-hover-bg-dark: var(--limestone-translucent-08);
    --divider-color-dark: var(--light-moss);
    --divider-opacity-dark: 0.2;

    /* Theme Tokens - Midnight Mode (Forest Shadow) */
    --bg-midnight: var(--night-card-bg);
    --text-midnight: var(--almond-cream);
    --primary-midnight: var(--light-moss);
    --accent-midnight: var(--light-rust);
    --accent-hover-midnight: var(--light-gold);
    --card-bg-midnight: var(--forest-shadow);
    --nav-hover-bg-midnight: var(--moss-translucent-08);
    --divider-color-midnight: var(--light-moss);
    --divider-opacity-midnight: 0.12;

    /* Semantic assignments (Light by default) */
    --bg-color: var(--bg-light);
    --text-color: var(--text-light);
    --primary-color: var(--primary-light);
    --accent-color: var(--accent-light);
    --accent-hover: var(--accent-hover-light);

    --card-bg: var(--card-bg-light);

    --nav-hover-bg: var(--nav-hover-bg-light);
    --divider-color: var(--divider-color-light);
    --divider-opacity: var(--divider-opacity-light);
}

[data-theme="forest"] {
    /* Forest Theme Token Overrides */
    --bg-color: var(--bg-dark);
    --text-color: var(--text-dark);
    --primary-color: var(--primary-dark);
    --accent-color: var(--accent-dark);
    --accent-hover: var(--accent-hover-dark);

    --card-bg: var(--card-bg-dark);

    --nav-hover-bg: var(--nav-hover-bg-dark);
    --divider-color: var(--divider-color-dark);
    --divider-opacity: var(--divider-opacity-dark);
}

[data-theme="night"] {
    /* Night Theme Token Overrides */
    --bg-color: var(--bg-midnight);
    --text-color: var(--text-midnight);
    --primary-color: var(--primary-midnight);
    --accent-color: var(--accent-midnight);
    --accent-hover: var(--accent-hover-midnight);

    --card-bg: var(--card-bg-midnight);

    --nav-hover-bg: var(--nav-hover-bg-midnight);
    --divider-color: var(--divider-color-midnight);
    --divider-opacity: var(--divider-opacity-midnight);
}

body {
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
    font-family: "Chivo Mono", monospace;
    color: var(--text-color);
    transition:
        background-color 0.3s ease,
        color 0.3s ease;
    position: relative;
}

/* Base anchor styles to prevent default blue/purple highlights */
a {
    color: inherit;
    text-decoration: none;
}

/* Style inline links specifically */
p a,
#bio a,
#currently a,
#mobile-disclaimer a,
#blog a {
    color: var(--accent-color);
    text-decoration: underline;
    transition: color 0.2s ease;
}

p a:hover,
#bio a:hover,
#currently a:hover,
#mobile-disclaimer a:hover,
#blog a:hover {
    color: var(--accent-hover);
}

/* Page Layout Wrapper */
#page-wrapper {
    display: flex;
    max-width: 950px;
    margin: 60px auto;
    padding: 0 20px;
    gap: 40px;
    align-items: stretch;
    justify-content: center;
    position: relative;
}

/* Sidebar Navigation Column */
#sidebar {
    width: 180px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.logo-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

.sidebar-logo {
    width: 100px;
    height: auto;
    transition: transform 0.3s ease;
}

.sidebar-logo path {
    fill: var(--primary-color);
    transition: fill 0.3s ease;
}

.sidebar-logo:hover {
    transform: rotate(5deg) scale(1.05);
}

.site-title {
    font-family: "Faustina", serif;
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: bold;
    line-height: 1.2;
    transition: color 0.3s ease;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-color);
    font-family: "Chivo Mono", monospace;
    font-size: 1rem;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.nav-item i {
    width: 18px;
    text-align: center;
    color: var(--accent-color);
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.nav-item:hover {
    background-color: var(--nav-hover-bg);
    color: var(--accent-hover);
    transform: translateX(5px);
}

/* Theme Toggle Button */
.theme-toggle-btn {
    position: absolute;
    top: 0;
    right: 20px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--text-color);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle-btn i {
    color: var(--primary-color);
}

/* On hover, morph the icon to the next theme's shape (no color change) */
.theme-toggle-btn:hover i::before {
    content: "\f1bb"; /* Tree icon for Forest theme */
}

[data-theme="forest"] .theme-toggle-btn i {
    color: var(--text-color);
}

[data-theme="forest"] .theme-toggle-btn:hover i::before {
    content: "\f186"; /* Moon icon for Night theme */
}

[data-theme="night"] .theme-toggle-btn i {
    color: var(--primary-color);
}

[data-theme="night"] .theme-toggle-btn:hover i::before {
    content: "\f6fc"; /* Mountain icon for Stone theme */
}

/* Vertical Divider */
#vertical-divider {
    width: 1px;
    background-color: var(--divider-color);
    opacity: var(--divider-opacity);
    align-self: stretch;
    transition:
        background-color 0.3s ease,
        opacity 0.3s ease;
}

/* Blog Container */
#blog-container {
    width: 650px;
    max-width: 100%;
    flex-shrink: 0;
    border-radius: 8px;
    padding: 2em;
    background-color: var(--card-bg);
    transition: background-color 0.3s ease;
}

#blog-title {
    margin-top: 0;
    margin-bottom: 0.8em;
    font-size: 2.2rem;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

#blog {
    font-family: "SF Pro Display", sans-serif;
    line-height: 27px;
    font-size: 18px;
    font-weight: 100;
}

#blog > h1,
#blog > h2,
#blog > title,
#blog-title {
    font-family: "Faustina", serif;
}

#blog article {
    font-family: 'Inter', sans-serif
    font-weight: 400;         /* Lower weight to prevent color bleeding */
    line-height: 1.65;        /* More breathing room between lines */
    max-width: 65ch;          /* Comfortable reading width */;
    opacity: 0.65;
}

#blog img,
#blog video {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1.5em auto;
    border-radius: 8px;
}

#blog blockquote {
    font-size: 1.1rem;
    line-height: 1.6;
    margin: 1.5em 0;
    padding-left: 1.5em;
    border-left: 4px solid var(--accent-color);
    font-style: italic;
    opacity: 0.85;
}

#blog code {
    font-family: "Chivo Mono", monospace;
    background-color: var(--nav-hover-bg);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
}

#blog pre {
    background-color: var(--nav-hover-bg);
    padding: 1em;
    border-radius: 6px;
    overflow-x: auto;
}

#blog pre code {
    background-color: transparent;
    padding: 0;
    font-size: 0.85em;
}

/* Responsive Rules */
@media (max-width: 768px) {
    #page-wrapper {
        flex-direction: column;
        align-items: center;
        margin: 30px auto;
        gap: 30px;
    }

    #sidebar {
        width: 100%;
        align-items: center;
        gap: 20px;
    }

    .logo-container {
        align-items: center;
    }

    .nav-links {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .nav-item:hover {
        transform: translateY(-2px);
    }

    #vertical-divider {
        width: 100%;
        height: 1px;
    }

    #blog-container {
        width: 100%;
        padding: 1.5em;
    }
}

/* --- Landing Page (new-index.html) Layout & Card Styles --- */

#container {
    display: flex;
    flex-direction: column;
    padding: 20px;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition:
        background-color 0.3s ease,
        color 0.3s ease;
    min-height: 100vh;
}

#left-third {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
    font-family: "Chivo Mono", monospace;
}

#left-third h1 {
    font-family: "Faustina", serif;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin: 10px 0 0 0;
    line-height: 1.1;
    transition: color 0.3s ease;
}

#bio {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-color);
}

#bio span {
    font-weight: bold;
    color: var(--primary-color);
}

#bio a.prof {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

#bio a.prof:hover {
    color: var(--accent-hover);
}

#icons {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 1.6rem;
    margin-top: 10px;
}

#icons a {
    color: var(--text-color);
    transition:
        color 0.2s ease,
        transform 0.2s ease;
    text-decoration: none;
}

#icons a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

#two-thirds {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

#mobile-disclaimer {
    font-size: 0.8rem;
    font-style: italic;
    opacity: 0.8;
    text-align: center;
    margin-bottom: 20px;
}

.masonry {
    column-count: 1;
    column-gap: 20px;
}

.work-stone {
    display: block;
    break-inside: avoid;
    margin-bottom: 20px;
    padding: 24px;
    border-radius: 12px;
    font-family: "Chivo Mono", monospace;
    color: var(--text-color);
    background-color: var(--card-bg);
    transition:
        transform 0.2s ease,
        background-color 0.3s ease,
        border-color 0.3s ease;
    text-decoration: none;
}

.work-stone h2.sub-section-text {
    font-family: "Faustina", serif;
    font-size: 1.35rem;
    margin-top: 0;
    margin-bottom: 12px;
    line-height: 1.25;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

.work-stone p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0 0 12px 0;
}

.work-stone .footnote {
    font-size: 0.75rem;
    font-style: italic;
    opacity: 0.75;
    margin: 0;
    text-align: right;
}

.work-stone .work-flag {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin-bottom: 12px;
    display: block;
}

/* Tooltip Styles */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 100px;
    background-color: var(--primary-color);
    color: var(--bg-color);
    text-align: center;
    border-radius: 6px;
    padding: 4px 0;
    position: absolute;
    z-index: 10;
    bottom: 125%;
    left: 50%;
    margin-left: -50px;
    opacity: 0;
    transition: opacity 0.2s ease;
    font-size: 0.7rem;
    font-family: "Chivo Mono", monospace;
}

.tooltip .tooltiptext::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--primary-color) transparent transparent transparent;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* Desktop Styles for Landing Page */
@media screen and (min-width: 768px) {
    #container {
        display: grid;
        grid-template-columns: 300px 1px 1fr;
        gap: 50px;
        max-width: 1400px;
        margin: 0 auto;
        padding: 60px 30px;
        align-items: stretch;
    }

    #left-third {
        position: sticky;
        top: 60px;
        height: fit-content;
        margin-bottom: 0;
        padding-right: 10px;
    }

    #mobile-disclaimer {
        display: none;
    }

    .masonry {
        column-count: 2;
    }
}

@media screen and (min-width: 1100px) {
    .masonry {
        column-count: 3;
    }
}

/* --- Homepage Post Listing Styles --- */
.project-post-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 10px;
}

.project-post-item {
    display: block;
    padding: 16px 12px;
    border-radius: 8px;
    transition:
        transform 0.2s ease,
        background-color 0.2s ease;
    text-decoration: none;
}

.project-post-item:hover {
    transform: translateX(5px);
    background-color: var(--nav-hover-bg);
}

.project-post-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 12px;
    gap: 16px;
}

.project-post-title {
    font-family: "Faustina", serif;
    font-size: 1.5rem;
    margin: 0;
    color: var(--primary-color);
    line-height: 1.2;
    transition: color 0.3s ease;
}

.project-post-date {
    font-family: "Chivo Mono", monospace;
    font-size: 0.85rem;
    opacity: 0.8;
    white-space: nowrap;
}

.project-post-summary {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-color);
}

.project-post-divider {
    border: none;
    height: 1px;
    background-color: var(--divider-color);
    opacity: var(--divider-opacity);
    margin: 12px 0;
    transition:
        background-color 0.3s ease,
        opacity 0.3s ease;
}

.post-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: "Chivo Mono", monospace;
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    transition:
        color 0.2s ease,
        transform 0.2s ease;
}

.post-back-btn:hover {
    color: var(--accent-hover);
    transform: translateX(-4px);
}