@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&display=swap");

/* Global dark academic theme */
:root {
    --bg: #020617;
    --bg-elevated: #020617;
    --sidebar-bg: #020617;
    --card-bg: #020617;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --accent: #38bdf8;
    --border-subtle: #1f2937;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f9fafb;
        --bg-elevated: #ffffff;
        --sidebar-bg: #f3f4f6;
        --card-bg: #ffffff;
        --text: #020617;
        --muted: #4b5563;
        --accent: #0ea5e9;
        --border-subtle: #e5e7eb;
    }
}

/* Explicit theme overrides (used by toggle) */
:root.theme-dark {
    --bg: #020617;
    --bg-elevated: #020617;
    --sidebar-bg: #020617;
    --card-bg: #020617;
    --text: #e5e7eb;
    --muted: #9ca3af;
    --accent: #38bdf8;
    --border-subtle: #1f2937;
}

:root.theme-light {
    --bg: #f9fafb;
    --bg-elevated: #ffffff;
    --sidebar-bg: #f3f4f6;
    --card-bg: #ffffff;
    --text: #020617;
    --muted: #4b5563;
    --accent: #0ea5e9;
    --border-subtle: #e5e7eb;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "JetBrains Mono", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
}

img,
video {
    max-width: 100%;
    display: block;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Layout */
.page {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    flex: 0 0 260px;
    padding: 2.5rem 2rem;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-name {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    display: inline-block;
    white-space: nowrap;
    overflow: hidden;
    border-right: 2px solid var(--accent);
    animation:
        typing 1.8s steps(12, end) 0.4s 1 both,
        caret-blink 0.8s step-end 0.4s 6;
}

.sidebar-role {
    font-size: 0.95rem;
    color: var(--muted);
}

.sidebar-portrait {
    max-width: 160px;
    height: auto;
    border-radius: 1.5rem;
    border: 1px solid var(--border-subtle);
    display: block;
    margin: 0 auto;
}

.sidebar-grade,
.sidebar-grad,
.sidebar-school,
.sidebar-loc {
    font-size: 0.95rem;
    color: var(--muted);
}

.sidebar-section-title {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.25rem;
}

.sidebar-contact p {
    margin: 0.15rem 0;
    font-size: 0.9rem;
}

.nav {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-top: 0.25rem;
}

.nav a {
    font-size: 0.95rem;
    color: var(--muted);
}

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

.nav a.active {
    color: var(--accent);
    font-weight: 600;
}

.content {
    flex: 1 1 auto;
    padding: 2rem 2.25rem;
    max-width: 1300px;
}

.about-layout {
    display: grid;
    grid-template-columns: minmax(0, 2.5fr) minmax(0, 1.5fr);
    grid-template-areas:
        "about portrait2"
        "affiliations portrait2"
        "links updates";
    gap: 1.25rem;
    align-items: flex-start;
}

.about-main {
    flex: 3 1 0;
}

.about-side {
    flex: 2 1 320px;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.content-header {
    margin-bottom: 2rem;
}

.content-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 0.25rem;
}

.content-subtitle {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.content-subtitle-intro {
    color: var(--text);
}

.section-about {
    grid-area: about;
}

.section-affiliations {
    grid-area: affiliations;
}

.section-updates {
    grid-area: updates;
}

.section-portrait2 {
    grid-area: portrait2;
}

.section-links {
    grid-area: links;
}

.section {
    margin-bottom: 1.25rem;
}

.section-title {
    font-size: 0.9rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.75rem;
}

.section-body {
    background: var(--card-bg);
    border-radius: 0.75rem;
    border: 1px solid var(--border-subtle);
    padding: 1.25rem 1.5rem;
}

.section-body h2 {
    margin-top: 0;
}

.section-body p {
    margin: 0.4rem 0;
    text-align: justify;
}

ul {
    padding-left: 1.2rem;
    margin: 0.4rem 0;
}

.links-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.link-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.link-icon {
    width: 2rem;
    height: 2rem;
    border: none;
    border-radius: 0;
    background-color: transparent;
    background-size: 85%;
    background-position: center;
    background-repeat: no-repeat;
}


.link-icon-github {
    background-image: url("images/github.svg");
}

.link-icon-goodreads {
    background-image: url("images/goodreads.svg");
}

.link-icon-letterboxd {
    background-image: url("images/letterboxd.svg");
}

.theme-dark .link-icon-github {
    filter: invert(1);
}

.updates-list {
    padding-left: 1.1rem;
    margin: 0;
    font-size: 0.9rem;
}

.updates-portrait {
    display: block;
    width: 80%;
    max-width: 260px;
    margin: 2.25rem auto 0;
    height: auto;
    border-radius: 1.5rem;
}

/* Projects page media grid */
.project-media-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.project-media-item {
    margin: 0;
}

.project-media-thumb {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 1.5rem;
    border: 1px solid var(--border-subtle);
}

.project-media-item-wide {
    grid-column: 1 / -1;
}

.project-media-thumb-wide {
    max-width: 80%;
    margin: 0.25rem auto 0;
}

.project-media-caption {
    margin-top: 0.25rem;
    font-size: 0.8rem;
    color: var(--muted);
}

.project-media-grid-caption {
    grid-column: 1 / -1;
    margin: 0.25rem 0 0;
    font-size: 0.8rem;
    color: var(--muted);
}

.project-media-item-video {
    grid-column: 1 / -1;
}

video.project-media-thumb {
    aspect-ratio: 16 / 9;
}

.project-media-thumb-top {
    object-fit: cover;
    object-position: top;
}

.project-media-thumb-squircle {
    border-radius: 1.5rem;
}

@media (max-width: 768px) {
    video.project-media-thumb {
        aspect-ratio: 16 / 9;
    }
}

.project-media-item-diagram {
    grid-column: 1 / -1;
}

.project-media-item-diagram .project-media-thumb {
    max-width: 70%;
    margin: 0.25rem auto 0;
    transform: rotate(90deg);
    transform-origin: center;
}

.nrc-layout {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.nrc-text {
    flex: 1 1 0;
    max-width: 360px;
}

.nrc-media {
    flex: 1.4 1 0;
}

.nrc-layout-cyberrunner {
    align-items: stretch;
}

.nrc-text-cyberrunner {
    display: flex;
    flex-direction: column;
}

.nrc-text-cyberrunner .project-media-item {
    margin-top: auto;
    padding-top: 1rem;
}

@media (max-width: 768px) {
    .nrc-layout {
        flex-direction: column;
    }

    .project-media-grid {
        grid-template-columns: 1fr;
    }
}

.nrc-text .project-media-item {
    margin-top: 1rem;
}

/* Theme toggle button */
.theme-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 999px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-elevated);
    color: var(--muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0;
    z-index: 20;
}

.theme-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* Typewriter animation for sidebar name */
@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes caret-blink {
    from {
        border-right-color: transparent;
    }
    to {
        border-right-color: var(--accent);
    }
}

@media (prefers-reduced-motion: reduce) {
    .sidebar-name {
        animation: none;
        border-right: none;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .page {
        flex-direction: column;
    }

    .sidebar {
        flex-basis: auto;
        padding: 1.5rem 1.25rem 1.25rem;
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
    }

    .sidebar-inner {
        display: flex;
        flex-direction: row;
        gap: 1rem;
        align-items: center;
    }

    .sidebar-portrait {
        width: 96px;
        height: auto;
        border-radius: 1rem;
        margin: 0;
    }

    .sidebar-contact {
        margin-top: 0.4rem;
    }

    .nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.75rem;
        margin-top: 0.75rem;
    }

    .content {
        padding: 1.75rem 1.25rem 2.25rem;
    }

    .about-layout {
        display: block;
    }
}

/* Timeline styles */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.5rem;
    width: 0.75rem;
    height: 0.75rem;
    background: var(--accent);
    border-radius: 50%;
}

.timeline-date {
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 0.5rem;
}

.timeline-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.timeline-preview {
    margin-bottom: 1rem;
    cursor: pointer;
    color: var(--text);
}

.timeline-preview:hover {
    color: var(--accent);
}

.timeline-full {
    display: none;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
    text-align: justify;
}

.timeline-full.open {
    display: block;
}

.collapse-btn {
    background: none;
    border: none;
    color: var(--accent);
    font-size: 1rem;
    cursor: pointer;
    padding: 0;
    margin-top: 0.75rem;
    display: block;
    text-align: center;
    font-family: inherit;
}

.collapse-btn:hover {
    color: var(--text);
}