:root { --bg-primary: #f8fafc; --bg-card: #ffffff; --border-color: #e2e8f0; --text-primary: #0f172a; --text-secondary: #475569; --accent-color: #2563eb; --accent-hover: #1d4ed8; --highlight-color: rgba(37, 99, 235, 0.12); --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; --font-mono: 'JetBrains Mono', 'Fira Code', monospace; --font-serif: 'Lora', Georgia, serif; --radius-sm: 4px; --radius-md: 8px; --radius-lg: 12px; --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04); --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04); } [data-theme="dark"] { --bg-primary: #0b0f19; --bg-card: #151d30; --border-color: #1e293b; --text-primary: #f1f5f9; --text-secondary: #94a3b8; --accent-color: #60a5fa; --accent-hover: #93c5fd; --highlight-color: rgba(96, 165, 250, 0.16); --shadow-sm: 0 1px 3px rgba(0,0,0,0.3); --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4); } *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } html { scroll-behavior: smooth; } body { background-color: var(--bg-primary); color: var(--text-primary); font-family: var(--font-sans); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } a { color: var(--accent-color); text-decoration: none; } a:hover { color: var(--accent-hover); } img { max-width: 100%; height: auto; } .no-transition * { transition: none !important; } body, .profile-card, .project-card, .timeline-item, .badge, .theme-toggle-btn, .writing-item, .btn-back, .btn-cv, .toc-link { transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease; } a:focus-visible, button:focus-visible { outline: 2px solid var(--accent-color); outline-offset: 3px; border-radius: var(--radius-sm); } .action-btn { position: fixed; z-index: 999; width: 40px; height: 40px; border-radius: 50%; background: var(--bg-card); border: 1px solid var(--border-color); color: var(--text-secondary); box-shadow: var(--shadow-sm); cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1rem; transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, opacity 0.3s ease; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); } .action-btn:hover { transform: scale(1.08); color: var(--accent-color); border-color: var(--accent-color); background-color: var(--bg-secondary); } .action-btn:active { transform: scale(0.95); } .theme-toggle-btn { top: 20px; right: 20px; } .theme-toggle-btn:hover { transform: scale(1.08) rotate(20deg); } .theme-toggle-btn .dark-icon { display: block; } .theme-toggle-btn .light-icon { display: none; } [data-theme="dark"] .theme-toggle-btn .dark-icon { display: none; } [data-theme="dark"] .theme-toggle-btn .light-icon { display: block; } .scroll-top-btn { bottom: 24px; right: 24px; opacity: 0; pointer-events: none; transform: translateY(10px); } .scroll-top-btn.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); } .scroll-top-btn.is-visible:hover { transform: scale(1.08) translateY(-2px); } .site-container { max-width: 1160px; margin: 0 auto; padding: 40px 24px 80px; display: grid; grid-template-columns: 1fr; gap: 40px; } @media (min-width: 1024px) { .site-container { grid-template-columns: 300px 1fr; gap: 56px; align-items: start; } .sidebar { position: sticky; top: 40px; max-height: calc(100vh - 80px); overflow-y: auto; scrollbar-width: none; display: flex; flex-direction: column; gap: 20px; } .sidebar::-webkit-scrollbar { display: none; } } .profile-card { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 28px 24px; box-shadow: var(--shadow-md); } .profile-avatar { display: block; width: 100px; height: 100px; border-radius: 50%; object-fit: cover; border: 3px solid var(--border-color); margin-bottom: 16px; background-color: var(--border-color); } @media (min-width: 1024px) { .profile-avatar { width: 120px; height: 120px; } } .profile-name { font-size: 1.35rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; line-height: 1.3; } .profile-title { font-size: 0.8rem; font-weight: 600; color: var(--accent-color); text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 14px; } .profile-bio { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.65; margin-bottom: 20px; } .profile-skills { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; } .profile-links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; } .profile-links > a { color: var(--text-secondary); font-size: 0.82rem; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border: 1px solid var(--border-color); border-radius: var(--radius-md); background-color: var(--bg-primary); transition: all 0.2s ease; } .profile-links > a i { font-size: 0.95rem; } .profile-links > a:hover { color: var(--accent-color); border-color: var(--accent-color); background-color: rgba(37, 99, 235, 0.05); } [data-theme="dark"] .profile-links > a:hover { background-color: rgba(96, 165, 250, 0.08); } @media (min-width: 640px) and (max-width: 1023px) { .profile-card { display: grid; grid-template-columns: auto 1fr; gap: 0 24px; align-items: start; } .profile-avatar { grid-row: 1 / 4; align-self: center; margin-bottom: 0; width: 90px; height: 90px; } .profile-name { grid-column: 2; } .profile-title { grid-column: 2; } .profile-bio { grid-column: 1 / -1; } .profile-skills { grid-column: 1 / -1; } .profile-links { grid-column: 1 / -1; } } .toc-nav { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 18px 20px; box-shadow: var(--shadow-sm); } .toc-label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.09em; color: var(--text-secondary); margin-bottom: 10px; } .toc-tree { list-style: none; display: flex; flex-direction: column; gap: 1px; } .toc-item { position: relative; } .toc-row { display: flex; align-items: center; justify-content: space-between; border-radius: var(--radius-sm); } .toc-row:hover { background-color: rgba(37,99,235,0.05); } [data-theme="dark"] .toc-row:hover { background-color: rgba(96,165,250,0.08); } .toc-link { display: block; flex: 1; font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); padding: 5px 8px; border-left: 2px solid transparent; border-radius: var(--radius-sm); text-decoration: none; transition: color 0.15s, border-left-color 0.15s, background-color 0.15s; } .toc-link:hover { color: var(--accent-color); } .toc-item.toc-active > .toc-row > .toc-link, .toc-item.toc-active > .toc-link { color: var(--accent-color); font-weight: 600; border-left-color: var(--accent-color); } .toc-toggle { background: none; border: none; cursor: pointer; color: var(--text-secondary); font-size: 0.65rem; padding: 5px 8px; display: flex; align-items: center; border-radius: var(--radius-sm); flex-shrink: 0; transition: color 0.15s, transform 0.2s ease; } .toc-toggle:hover { color: var(--accent-color); } .toc-toggle[aria-expanded="false"] i { transform: rotate(-90deg); } .toc-toggle i { transition: transform 0.2s ease; } .toc-children { list-style: none; margin-left: 14px; border-left: 1px solid var(--border-color); padding-left: 0; overflow: hidden; max-height: 600px; transition: max-height 0.25s ease, opacity 0.2s ease; opacity: 1; } .toc-children.toc-collapsed { max-height: 0; opacity: 0; } .toc-child-item { margin: 0; } .toc-child-link { font-size: 0.8rem; font-weight: 400; padding: 4px 8px; border-left: none; color: var(--text-secondary); border-radius: 0; } .toc-child-link:hover { color: var(--accent-color); background-color: rgba(37,99,235,0.05); } [data-theme="dark"] .toc-child-link:hover { background-color: rgba(96,165,250,0.08); } @media (max-width: 1023px) { .toc-nav { display: none; } } .section-heading { display: flex; align-items: center; gap: 8px; font-size: 1.1rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-secondary); margin-bottom: 24px; padding-bottom: 10px; border-bottom: 1px solid var(--border-color); } .anchor-btn { background: none; border: none; cursor: pointer; color: var(--text-secondary); font-size: 0.7rem; padding: 3px 5px; border-radius: var(--radius-sm); display: inline-flex; align-items: center; opacity: 0.5; transition: opacity 0.15s ease, color 0.15s ease; flex-shrink: 0; } .section-heading:hover .anchor-btn, .anchor-btn:focus-visible { opacity: 1; color: var(--accent-color); } .anchor-btn:hover { color: var(--accent-color); opacity: 1; } .section-note { font-size: 0.8rem; color: var(--text-secondary); font-style: italic; margin-bottom: 20px; margin-top: -16px; } .copy-toast { position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(12px); background-color: var(--text-primary); color: var(--bg-primary); font-size: 0.8rem; font-weight: 600; padding: 8px 16px; border-radius: 20px; opacity: 0; pointer-events: none; transition: opacity 0.2s ease, transform 0.2s ease; z-index: 200; white-space: nowrap; } .copy-toast.toast-visible { opacity: 1; transform: translateX(-50%) translateY(0); } .main-content { display: flex; flex-direction: column; gap: 56px; } .prose p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 16px; line-height: 1.75; } .prose p:last-child { margin-bottom: 0; } .prose a { text-decoration: underline; text-underline-offset: 2px; } .prose strong { color: var(--text-primary); font-weight: 600; } .prose em { font-style: italic; } .prose h2, .prose h3, .prose h4, .prose h5, .prose h6 { color: var(--text-primary); margin-top: 28px; margin-bottom: 12px; font-weight: 600; line-height: 1.35; } .prose h2 { font-size: 1.3rem; } .prose h3 { font-size: 1.1rem; } .prose h4 { font-size: 1rem; } .prose ul, .prose ol { padding-left: 20px; margin-bottom: 16px; color: var(--text-secondary); font-size: 0.95rem; } .prose li { margin-bottom: 6px; line-height: 1.65; } .prose li ul, .prose li ol { margin-top: 6px; margin-bottom: 0; } .prose code { font-family: var(--font-mono); font-size: 0.875em; background-color: var(--border-color); color: var(--text-primary); padding: 2px 5px; border-radius: var(--radius-sm); } .prose pre { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 16px 20px; overflow-x: auto; margin-bottom: 20px; font-family: var(--font-mono); font-size: 0.875rem; line-height: 1.6; } .prose pre code { background: none !important; padding: 0 !important; font-size: inherit; border-radius: 0; } .prose blockquote { border-left: 3px solid var(--accent-color); margin: 20px 0; padding: 8px 20px; color: var(--text-secondary); font-style: italic; } .prose img { max-width: 100%; height: auto; border-radius: var(--radius-md); display: block; margin: 24px auto; background-color: var(--border-color); } .prose hr { border: none; border-top: 1px solid var(--border-color); margin: 32px 0; } .timeline-prose p { margin-bottom: 0; } .timeline { display: flex; flex-direction: column; gap: 28px; border-left: 2px solid var(--border-color); padding-left: 24px; margin-left: 6px; } .timeline-item { position: relative; } .timeline-item::before { content: ''; position: absolute; left: -31px; top: 7px; width: 10px; height: 10px; border-radius: 50%; background-color: var(--accent-color); border: 2px solid var(--bg-primary); } .timeline-meta { font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; display: flex; flex-wrap: wrap; gap: 8px; } .timeline-location { color: var(--text-secondary); font-weight: 400; text-transform: none; letter-spacing: 0; } .timeline-details h3 { font-size: 1rem; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; line-height: 1.4; } .timeline-details h3 a { color: inherit; text-decoration: none; } .timeline-details h3 a:hover { color: var(--accent-color); } .timeline-team { color: var(--text-primary); } .timeline-dot { color: var(--text-secondary); font-weight: 300; margin: 0 2px; } .timeline-at { color: var(--text-secondary); font-weight: 400; } .education-gpa { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 4px; } .projects-grid { display: grid; grid-template-columns: 1fr; gap: 16px; } @media (min-width: 680px) { .projects-grid { grid-template-columns: 1fr 1fr; } } .project-card { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 20px; box-shadow: var(--shadow-sm); transition: box-shadow 0.2s ease, border-color 0.2s ease; } .project-card:hover { box-shadow: var(--shadow-md); border-color: var(--accent-color); } .project-card-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 10px; } .project-card-header h3 { font-size: 1rem; font-weight: 600; color: var(--text-primary); line-height: 1.3; margin: 0; } .project-card-header > a { color: var(--text-secondary); font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; } .project-card-header > a:hover { color: var(--accent-color); } .project-card > p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.65; margin-bottom: 14px; } .project-tags { display: flex; flex-wrap: wrap; gap: 6px; } .badge { display: inline-block; padding: 3px 9px; border-radius: var(--radius-sm); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.02em; line-height: 1.5; } .skill-badge { background-color: var(--border-color); color: var(--text-primary); } .tag-badge { background-color: rgba(37, 99, 235, 0.1); color: var(--accent-color); } [data-theme="dark"] .tag-badge { background-color: rgba(96, 165, 250, 0.12); } .brain-freeze-teaser { display: flex; flex-direction: column; gap: 20px; } .brain-freeze-desc { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; margin: 0; } .brain-freeze-link { display: inline-flex; align-items: center; gap: 8px; font-size: 0.875rem; font-weight: 600; color: var(--accent-color); border: 1px solid var(--border-color); background: var(--bg-card); padding: 8px 16px; border-radius: var(--radius-md); align-self: flex-start; text-decoration: none; box-shadow: var(--shadow-sm); } .brain-freeze-link:hover { border-color: var(--accent-color); box-shadow: var(--shadow-md); color: var(--accent-hover); } .writing-list { display: flex; flex-direction: column; gap: 0; } .writing-item { display: grid; grid-template-columns: 1fr; gap: 6px; padding: 18px 0; border-bottom: 1px solid var(--border-color); } .writing-item:first-child { border-top: 1px solid var(--border-color); } @media (min-width: 600px) { .writing-item { grid-template-columns: 100px 1fr; gap: 0 20px; align-items: baseline; } } .writing-date { font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; } .writing-title { display: block; font-size: 1rem; font-weight: 600; color: var(--text-primary); text-decoration: none; margin-bottom: 4px; line-height: 1.4; } .writing-title:hover { color: var(--accent-color); } .writing-description { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; margin: 0; } .writing-index-container { max-width: 740px; margin: 0 auto; padding: 48px 24px 80px; } .writing-index-header { margin-bottom: 40px; } .writing-index-title-row { margin-top: 8px; } .writing-index-title { font-size: 2.2rem; font-weight: 700; color: var(--text-primary); line-height: 1.2; margin-bottom: 8px; } .writing-index-subtitle { font-size: 1rem; color: var(--text-secondary); } .writing-index-body { display: flex; flex-direction: column; gap: 0; } .article-container { max-width: 680px; margin: 0 auto; padding: 48px 24px 80px; } .article-header { margin-bottom: 40px; } .btn-back { display: inline-flex; align-items: center; gap: 8px; font-size: 0.875rem; font-weight: 500; color: var(--text-secondary); text-decoration: none; margin-bottom: 28px; padding: 6px 0; } .btn-back:hover { color: var(--accent-color); } .article-title { font-size: 2rem; font-weight: 700; line-height: 1.25; color: var(--text-primary); margin-bottom: 14px; } @media (min-width: 600px) { .article-title { font-size: 2.4rem; } } .article-meta { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.06em; } .article-body { font-family: var(--font-serif); font-size: 1.1rem; line-height: 1.8; } .article-body p { font-size: 1.05rem; } .fade-in-section { opacity: 0; transform: translateY(12px); transition-property: opacity, transform; transition-duration: 0.45s; transition-timing-function: ease-out; } .js .fade-in-section.is-visible { opacity: 1; transform: translateY(0); } .no-js .fade-in-section { opacity: 1; transform: none; } .projects-grid .fade-in-section:nth-child(2) { transition-delay: 0.08s; } @keyframes section-focus-flash { 0%, 30% { background-color: var(--highlight-color); box-shadow: 0 0 0 12px var(--highlight-color); } 100% { background-color: transparent; box-shadow: 0 0 0 0 transparent; } } .section-focus-highlight { animation: section-focus-flash 1.8s cubic-bezier(0.25, 1, 0.5, 1) forwards; border-radius: var(--radius-md); position: relative; z-index: 10; } .mobile-sticky-bar { display: none; } @media (max-width: 1023px) { .theme-toggle-btn { top: 10px; right: 16px; } .site-container { padding-top: 64px; } .writing-index-container, .article-container { padding-top: 64px; } .mobile-sticky-bar { display: block; position: fixed; top: 0; left: 0; right: 0; height: 60px; background-color: rgba(255, 255, 255, 0.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-color); z-index: 95; transform: translateY(-100%); opacity: 0; pointer-events: none; transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease; box-shadow: var(--shadow-sm); } [data-theme="dark"] .mobile-sticky-bar { background-color: rgba(21, 29, 48, 0.85); border-bottom-color: var(--border-color); } .mobile-sticky-bar.is-visible { transform: translateY(0); opacity: 1; pointer-events: auto; } .mobile-sticky-content { max-width: 1000px; height: 100%; margin: 0 auto; padding: 0 16px; display: flex; align-items: center; gap: 12px; } .mobile-sticky-avatar { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; border: 1.5px solid var(--border-color); background-color: var(--border-color); } .mobile-sticky-text { display: flex; flex-direction: column; gap: 1px; } .mobile-sticky-name { font-size: 0.9rem; font-weight: 700; color: var(--text-primary); line-height: 1.2; } .mobile-sticky-title { font-size: 0.7rem; font-weight: 600; color: var(--accent-color); text-transform: uppercase; letter-spacing: 0.04em; line-height: 1.2; } .mobile-sticky-links { margin-left: auto; margin-right: 48px; display: flex; gap: 8px; align-items: center; } .mobile-sticky-links a { color: var(--text-secondary); display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--border-color); background-color: var(--bg-card); transition: all 0.2s ease; font-size: 0; } .mobile-sticky-links a i { font-size: 0.95rem; } .mobile-sticky-links a:hover { color: var(--accent-color); border-color: var(--accent-color); background-color: var(--bg-primary); } }