:root{--bg-app: #fafafa;--bg-sidebar: #ffffff;--border-color: #e5e7eb;--text-main: #111827;--text-muted: #6b7280;--accent-black: #111827;--accent-gray: #f3f4f6;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-app);color:var(--text-main);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}.layout-container{display:flex;min-height:100vh;min-height:100dvh;width:100%}.main-content{margin-left:250px;flex:1;min-height:100vh;padding:48px 56px;max-width:960px}.section-title{font-size:1.3rem;font-weight:700;color:var(--text-main);border-bottom:1px solid var(--border-color);padding-bottom:10px;letter-spacing:-.01em}.section-desc{font-size:.92rem;color:var(--text-muted);line-height:1.5}.loading-state,.error-state,.empty-state{padding:32px 0;color:var(--text-muted);font-size:.95rem;font-family:var(--font-mono)}.error-state{color:#dc2626}.sidebar{width:250px;height:100vh;height:100dvh;position:fixed;top:0;left:0;background-color:var(--bg-sidebar);border-right:1px solid var(--border-color);display:flex;flex-direction:column;padding:36px 24px;z-index:50}.profile-header{display:flex;flex-direction:column;gap:16px;margin-bottom:32px}.avatar-container{width:52px;height:52px;border-radius:50%;border:1px solid var(--border-color);overflow:hidden;background-color:var(--accent-gray);display:flex;align-items:center;justify-content:center;flex-shrink:0}.avatar-img{width:100%;height:100%;object-fit:cover}.avatar-placeholder{font-size:.85rem;font-weight:600;color:var(--text-muted);font-family:var(--font-mono)}.profile-name{font-size:1.15rem;font-weight:700;color:var(--text-main)}.profile-title{font-size:.8rem;color:var(--text-muted);font-family:var(--font-mono);margin-top:2px;line-height:1.4}.nav-menu{display:flex;flex-direction:column;gap:4px;flex-grow:1}.nav-link{display:flex;align-items:center;padding:10px 14px;border-radius:6px;text-decoration:none;font-size:.9rem;font-weight:500;color:var(--text-muted);transition:all .15s ease-in-out}.nav-link:hover{background-color:var(--accent-gray);color:var(--text-main)}.nav-link.active{background-color:var(--accent-black);color:#fff}.sidebar-footer{display:flex;align-items:center;gap:16px;padding-top:20px;margin-top:auto;border-top:1px solid var(--border-color);flex-shrink:0}.social-button,button.social-button{position:relative;display:inline-flex;align-items:center;justify-content:center;background:transparent;border:none;outline:none;padding:0;margin:0;cursor:pointer;color:var(--text-muted);text-decoration:none;font-family:inherit;font-size:1.2rem;line-height:1;transition:color .15s ease,transform .15s ease}.social-button:hover,button.social-button:hover{color:var(--text-main);transform:translateY(-1px)}.social-button:focus,button.social-button:focus{outline:none}.social-icon{font-size:1.2rem;display:block}.copy-success-icon{color:#10b981}.social-button.is-disabled{opacity:.35;cursor:not-allowed;pointer-events:none}.social-tooltip{position:absolute;bottom:130%;left:50%;transform:translate(-50%) translateY(4px);background-color:var(--accent-black);color:#fff;font-size:.72rem;font-family:var(--font-mono);padding:4px 8px;border-radius:4px;white-space:nowrap;pointer-events:none;opacity:0;visibility:hidden;transition:opacity .15s ease,transform .15s ease;z-index:100}.social-button:hover .social-tooltip{opacity:1;visibility:visible;transform:translate(-50%) translateY(0)}.profile-view{display:flex;flex-direction:column;gap:32px;max-width:820px}.content-section{display:flex;flex-direction:column;gap:14px}.bio-card{background-color:#fff;border:1px solid var(--border-color);border-left:3px solid var(--accent-black);border-radius:6px;padding:18px 22px;box-shadow:0 2px 6px #00000005}.bio-text{font-size:.95rem;line-height:1.8;color:#374151;white-space:pre-line}.badge-grid{display:flex;flex-wrap:wrap;gap:10px}.tech-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;font-size:.84rem;font-weight:500;font-family:var(--font-mono);background-color:#fff;color:var(--text-main);border:1px solid var(--border-color);border-radius:6px;cursor:default;-webkit-user-select:none;user-select:none;transition:all .2s ease}.skill-icon{font-size:.95rem;color:var(--text-muted);transition:color .2s ease}.tech-badge:hover{background-color:var(--accent-black);color:#fff;border-color:var(--accent-black);transform:translateY(-2px);box-shadow:0 4px 10px #00000014}.tech-badge:hover .skill-icon{color:#fff}.competition-list{display:flex;flex-direction:column;gap:16px}.competition-card{position:relative;background-color:#fff;border:1px solid var(--border-color);border-radius:8px;padding:20px 24px;display:flex;flex-direction:column;gap:12px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;overflow:hidden}.competition-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background-color:var(--accent-black);opacity:0;transition:opacity .2s ease}.competition-card:hover{transform:translateY(-2px);border-color:#cbd5e1;box-shadow:0 6px 16px #0000000d}.competition-card:hover:before{opacity:1}.competition-header{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.competition-title-group{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.competition-date{font-size:.76rem;font-family:var(--font-mono);font-weight:600;color:var(--text-muted);background-color:var(--accent-gray);padding:3px 8px;border-radius:4px;border:1px solid var(--border-color)}.competition-title{font-size:1.05rem;font-weight:700;color:var(--text-main);margin:0}.award-badge{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:600;font-family:var(--font-mono);background-color:var(--accent-black);color:#fff;padding:4px 12px;border-radius:20px;flex-shrink:0;box-shadow:0 2px 6px #0000001a}.award-badge i{font-size:.82rem;color:#facc15}.competition-desc{font-size:.92rem;line-height:1.7;color:#4b5563;margin:0}.projects-view{display:flex;flex-direction:column;gap:24px}.project-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.project-card{background-color:#fff;border:1px solid var(--border-color);border-radius:8px;display:flex;flex-direction:column;justify-content:space-between;padding:20px;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}.project-card:hover{transform:translateY(-2px);border-color:#cbd5e1;box-shadow:0 4px 12px #0000000a}.project-image-container{width:100%;height:150px;border-radius:6px;overflow:hidden;margin-bottom:14px;background-color:var(--accent-gray);border:1px solid var(--border-color)}.project-image{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s ease}.project-card:hover .project-image{transform:scale(1.03)}.project-title{font-size:1.1rem;font-weight:700;color:var(--text-main);margin-bottom:8px}.project-desc{font-size:.88rem;line-height:1.6;color:#4b5563;margin-bottom:12px}.card-tech-stack{display:flex;flex-wrap:wrap;gap:6px}.tech-tag{font-size:.75rem;font-family:var(--font-mono);background-color:var(--accent-gray);color:var(--text-muted);padding:3px 8px;border-radius:4px}.card-footer{display:flex;align-items:center;gap:16px;margin-top:18px;padding-top:14px;border-top:1px solid var(--border-color)}.project-link{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;font-weight:500;color:var(--text-muted);text-decoration:none;transition:color .15s ease}.project-link:hover{color:var(--text-main)}.project-link.demo-link:hover{color:#2563eb}@media (max-width: 768px){.layout-container{flex-direction:column;min-height:100vh}.sidebar{width:100%;height:auto;position:relative;border-right:none;border-bottom:1px solid var(--border-color);padding:20px 16px}.profile-header{margin-bottom:16px;flex-direction:row;align-items:center;gap:12px}.avatar-container{width:44px;height:44px}.nav-menu{flex-direction:row;gap:8px;margin-top:8px}.nav-link{flex:1;justify-content:center;padding:8px 12px;font-size:.85rem}.sidebar-footer{position:fixed;bottom:0;left:0;width:100%;height:56px;background-color:#fff;border-top:1px solid var(--border-color);display:flex;align-items:center;justify-content:center;gap:28px;padding-bottom:env(safe-area-inset-bottom,0px);margin-top:0;z-index:1000;box-shadow:0 -2px 10px #00000008}.main-content{margin-left:0;padding:24px 16px;padding-bottom:calc(72px + env(safe-area-inset-bottom,0px))}}