/* ============================================
   CSS Variables & Base
   ============================================ */
:root {
    --bg-color: #0d1117;
    --text-color: #e6edf3;
    --text-muted: #8b949e;
    --accent-color: #278827;
    --accent-hover: #1f6b1f;
    --card-bg: #161b22;
    --card-border: #30363d;
    --link-color: #58a6ff;
    --navbar-bg: rgba(39, 136, 39, 0.95);
    --transition-speed: 0.3s;
}

/* Light theme */
[data-theme="light"] {
    --bg-color: #ffffff;
    --text-color: #1f2328;
    --text-muted: #656d76;
    --accent-color: #278827;
    --accent-hover: #1f6b1f;
    --card-bg: #f6f8fa;
    --card-border: #d0d7de;
    --link-color: #0969da;
    --navbar-bg: rgba(39, 136, 39, 0.95);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inconsolata', monospace;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    transition: background-color 0.8s ease, color 0.3s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.2rem;
    font-weight: 600;
    color: #ffffff;
    text-decoration: none;
    transition: opacity var(--transition-speed);
}

.nav-logo:hover {
    opacity: 0.8;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 1rem;
    transition: opacity var(--transition-speed);
    position: relative;
}

.nav-links a:hover {
    opacity: 0.7;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #ffffff;
    transition: width var(--transition-speed);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Theme toggle button */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    transition: opacity var(--transition-speed);
}

.theme-toggle:hover {
    opacity: 0.7;
}

/* Show/hide sun/moon based on theme */
.theme-toggle .fa-sun {
    display: none;
}

.theme-toggle .fa-moon {
    display: block;
}

[data-theme="light"] .theme-toggle .fa-sun {
    display: block;
}

[data-theme="light"] .theme-toggle .fa-moon {
    display: none;
}

/* ============================================
   Main Content
   ============================================ */
main {
    flex: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 6rem 2rem 4rem;
    width: 100%;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding: 4rem 0;
    border-bottom: 1px solid var(--card-border);
    margin-bottom: 4rem;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.hero-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 3px solid var(--accent-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-text h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.hero-text .tagline {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.hero-links {
    display: flex;
    gap: 1rem;
}

.hero-links a {
    font-size: 1.5rem;
    color: var(--text-muted);
    transition: color var(--transition-speed), transform var(--transition-speed);
}

.hero-links a:hover {
    transform: scale(1.2);
}

.hero-links #linkedin:hover { color: #ffffff; }
.hero-links #github:hover { color: #ffffff; }
.hero-links #spotify:hover { color: #1db954; }

/* Custom Letterboxd logo with three circles */
.letterboxd-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 1.4em;
    height: 1.5em;
    vertical-align: middle;
    top: -0.15em;
}

.letterboxd-logo span {
    width: 0.5em;
    height: 0.5em;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--text-muted);
    transition: background var(--transition-speed);
}

.letterboxd-logo .circle-orange {
    left: 0;
}

.letterboxd-logo .circle-green {
    left: 0.4em;
}

.letterboxd-logo .circle-blue {
    left: 0.8em;
}

#letterboxd:hover .letterboxd-logo .circle-orange {
    background: #ff8000;
}

#letterboxd:hover .letterboxd-logo .circle-green {
    background: #00e054;
}

#letterboxd:hover .letterboxd-logo .circle-blue {
    background: #40bcf4;
}

/* ============================================
   Section Styles
   ============================================ */
.section {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

/* ============================================
   About Section
   ============================================ */
.about-text {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 700px;
}

.about-text p {
    margin-bottom: 1rem;
}

/* ============================================
   Simple List (for experience, projects, anki)
   ============================================ */
.section-desc {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

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

.simple-list li {
    padding: 0.5rem 0;
    color: var(--text-muted);
    font-size: 1.05rem;
}

.simple-list li .date {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

.simple-list a {
    color: var(--text-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

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

.simple-list.inline {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.simple-list.inline li {
    padding: 0;
}

/* ============================================
   Projects Grid (keeping for backwards compat)
   ============================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 1.5rem;
    transition: transform var(--transition-speed), border-color var(--transition-speed);
    text-decoration: none;
    color: inherit;
    display: block;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
}

.project-card h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.project-card h3 i {
    color: var(--accent-color);
}

.project-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tag {
    font-size: 0.8rem;
    padding: 0.25rem 0.5rem;
    background: rgba(63, 185, 80, 0.1);
    color: var(--accent-color);
    border-radius: 4px;
}

/* ============================================
   Anki Section
   ============================================ */
.anki-downloads {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.anki-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    color: var(--text-color);
    text-decoration: none;
    transition: all var(--transition-speed);
}

.anki-link:hover {
    border-color: var(--accent-color);
    background: rgba(63, 185, 80, 0.1);
}

.anki-link i {
    color: var(--accent-color);
}

/* ============================================
   Blog Styles
   ============================================ */
.blog-header {
    margin-bottom: 3rem;
}

.blog-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.blog-header p {
    color: var(--text-muted);
}

.posts-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.post-preview {
    padding: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    transition: border-color var(--transition-speed);
}

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

.post-preview a {
    text-decoration: none;
}

.post-preview h2 {
    color: var(--text-color);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    transition: color var(--transition-speed);
}

.post-preview:hover h2 {
    color: var(--accent-color);
}

.post-preview .post-date {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.post-preview .post-excerpt {
    color: var(--text-muted);
}

/* ============================================
   Single Post
   ============================================ */
.post-header {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--card-border);
}

.post-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.post-meta {
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.post-tags {
    display: flex;
    gap: 0.5rem;
}

.tag {
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    background: rgba(63, 185, 80, 0.1);
    color: var(--accent-color);
    border-radius: 4px;
}

.post-content {
    font-size: 1.05rem;
    line-height: 1.8;
}

.post-content h2 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    color: var(--accent-color);
}

.post-content h3 {
    font-size: 1.25rem;
    margin: 1.5rem 0 0.75rem;
}

.post-content p {
    margin-bottom: 1.25rem;
}

.post-content a {
    color: var(--link-color);
    text-decoration: underline;
}

.post-content code {
    background: var(--card-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
}

.post-content pre {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 1rem;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.post-content pre code {
    background: none;
    padding: 0;
}

.post-content blockquote {
    border-left: 3px solid var(--accent-color);
    padding-left: 1rem;
    margin: 1.5rem 0;
    color: var(--text-muted);
    font-style: italic;
}

.post-content ul, .post-content ol {
    margin: 1rem 0 1.5rem 1.5rem;
}

.post-content li {
    margin-bottom: 0.5rem;
}

.post-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--card-border);
}

.back-link {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.back-link:hover {
    color: var(--accent-hover);
}

/* ============================================
   Resources Page
   ============================================ */
.resources-section {
    margin-bottom: 1.5rem;
}

.resources-section h2 {
    font-size: 1rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid var(--card-border);
}

.resources-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
}

.resources-list li {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.resources-list a {
    color: var(--text-color);
    text-decoration: none;
    transition: color var(--transition-speed);
    font-size: 1.5rem;
}

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

.resources-list img {
    width: 16px;
    height: 16px;
    border-radius: 3px;
}

/* ============================================
   Footer
   ============================================ */
footer {
    border-top: 1px solid var(--card-border);
    padding: 2rem;
    margin-top: auto;
}

.footer-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    font-size: 1.5rem;
    color: var(--text-muted);
    transition: color var(--transition-speed), transform var(--transition-speed);
}

.social-link:hover {
    transform: scale(1.2);
}

footer #linkedin:hover { color: #ffffff; }
footer #github:hover { color: #ffffff; }
footer #spotify:hover { color: #1db954; }

.footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ============================================
   Empty State
   ============================================ */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--card-border);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-links {
        justify-content: center;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-content {
        padding: 1rem;
    }

    main {
        padding: 5rem 1rem 3rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }
}