@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-tertiary: #1c2128;--bg-surface: #21262d;--border-default: #30363d;--border-muted: #21262d;--border-accent: #388bfd33;--text-primary: #e6edf3;--text-secondary: #8b949e;--text-tertiary: #6e7681;--text-link: #58a6ff;--color-bull: #3fb950;--color-bull-muted: #238636;--color-bear: #f85149;--color-bear-muted: #da3633;--color-gold: #d29922;--color-gold-muted: #9e6a03;--color-info: #58a6ff;--color-warning: #d29922;--sidebar-width: 280px;--header-height: 56px;--transition-fast: .15s ease;--transition-normal: .25s ease;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--shadow-glow-bull: 0 0 12px rgba(63, 185, 80, .15);--shadow-glow-bear: 0 0 12px rgba(248, 81, 73, .15)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:15px;scroll-behavior:smooth}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}a{color:var(--text-link);text-decoration:none;transition:color var(--transition-fast)}a:hover{text-decoration:underline}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-default);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;transition:transform var(--transition-normal)}.sidebar-header{padding:20px 16px 16px;border-bottom:1px solid var(--border-default)}.sidebar-header h1{font-size:1.1rem;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:8px}.sidebar-header h1 .icon{font-size:1.3rem}.sidebar-section{padding:12px 0}.sidebar-section-title{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-tertiary);padding:0 16px 8px}.sidebar-item{display:flex;align-items:center;gap:10px;padding:8px 16px;font-size:.9rem;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);border-left:3px solid transparent;background:transparent;border-top:none;border-bottom:none;border-right:none;width:100%;text-align:left;font-family:inherit}.sidebar-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}.sidebar-item.active{background:var(--bg-tertiary);color:var(--text-primary);border-left-color:var(--color-info)}.sidebar-item .item-icon{font-size:1rem;flex-shrink:0}.sidebar-item .item-date{font-family:var(--font-mono);font-size:.8rem;color:var(--text-tertiary);margin-left:auto}.main-content{flex:1;margin-left:var(--sidebar-width);min-height:100vh}.content-area{max-width:960px;margin:0 auto;padding:32px 40px}.markdown-body{color:var(--text-primary);line-height:1.7}.markdown-body h1{font-size:1.8rem;font-weight:700;padding-bottom:12px;border-bottom:1px solid var(--border-default);margin-bottom:20px;margin-top:0}.markdown-body h2{font-size:1.4rem;font-weight:600;margin-top:36px;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--border-muted);color:var(--text-primary)}.markdown-body h3{font-size:1.15rem;font-weight:600;margin-top:28px;margin-bottom:12px;color:var(--text-primary)}.markdown-body h4{font-size:1rem;font-weight:600;margin-top:20px;margin-bottom:10px;color:var(--text-secondary)}.markdown-body p{margin-bottom:16px}.markdown-body hr{border:none;border-top:1px solid var(--border-default);margin:28px 0}.markdown-body ul,.markdown-body ol{margin-bottom:16px;padding-left:24px}.markdown-body li{margin-bottom:6px}.markdown-body strong{font-weight:600;color:var(--text-primary)}.markdown-body em{color:var(--text-secondary)}.markdown-body table{width:100%;border-collapse:collapse;margin:16px 0 24px;font-size:.88rem;border:1px solid var(--border-default);border-radius:8px;overflow:hidden}.markdown-body thead{background:var(--bg-surface)}.markdown-body th{padding:10px 14px;text-align:left;font-weight:600;color:var(--text-primary);border-bottom:2px solid var(--border-default);white-space:nowrap}.markdown-body td{padding:9px 14px;border-bottom:1px solid var(--border-muted);color:var(--text-secondary)}.markdown-body tbody tr:nth-child(2n){background:var(--bg-tertiary)}.markdown-body tbody tr:hover{background:var(--bg-surface)}.markdown-body td strong,.markdown-body th strong{color:var(--color-gold)}.markdown-body code{font-family:var(--font-mono);font-size:.85em;background:var(--bg-surface);padding:2px 6px;border-radius:4px;color:var(--color-info)}.markdown-body pre{background:var(--bg-tertiary);border:1px solid var(--border-default);border-radius:8px;padding:16px;overflow-x:auto;margin:16px 0}.markdown-body pre code{background:none;padding:0;color:var(--text-primary)}.markdown-body blockquote{border-left:3px solid var(--color-gold);padding:8px 16px;margin:16px 0;background:var(--bg-tertiary);border-radius:0 8px 8px 0;color:var(--text-secondary)}.markdown-body blockquote p{margin-bottom:0}.todo-panel{background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:12px;margin:24px 0;overflow:hidden}.todo-panel-header{padding:14px 18px;background:var(--bg-tertiary);border-bottom:1px solid var(--border-default);display:flex;align-items:center;justify-content:space-between}.todo-panel-header h3{font-size:.95rem;font-weight:600;display:flex;align-items:center;gap:8px;margin:0}.todo-progress{font-size:.8rem;color:var(--text-tertiary);font-family:var(--font-mono)}.todo-category{padding:4px 0}.todo-category-title{font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-tertiary);padding:10px 18px 4px}.todo-item{display:flex;align-items:flex-start;gap:12px;padding:10px 18px;cursor:pointer;transition:background var(--transition-fast);border-bottom:1px solid var(--border-muted)}.todo-item:last-child{border-bottom:none}.todo-item:hover{background:var(--bg-tertiary)}.todo-item.done{opacity:.55}.todo-item.done .todo-text{text-decoration:line-through;color:var(--text-tertiary)}.todo-checkbox{width:20px;height:20px;border:2px solid var(--border-default);border-radius:4px;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);margin-top:2px;cursor:pointer;background:transparent;padding:0}.todo-checkbox:hover{border-color:var(--color-bull);box-shadow:var(--shadow-glow-bull)}.todo-checkbox.checked{background:var(--color-bull);border-color:var(--color-bull)}.todo-checkbox.checked:after{content:"✓";font-size:13px;font-weight:700;color:#fff}.todo-text{font-size:.88rem;color:var(--text-secondary);line-height:1.5;flex:1}.todo-day-badge{display:inline-block;font-size:.72rem;font-weight:600;padding:2px 8px;border-radius:10px;background:var(--bg-surface);color:var(--color-gold);margin-right:8px;font-family:var(--font-mono)}.welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;text-align:center;color:var(--text-tertiary)}.welcome-icon{font-size:4rem;margin-bottom:16px;opacity:.5}.welcome h2{font-size:1.5rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.welcome p{font-size:.95rem;max-width:400px;line-height:1.6}.loading{display:flex;align-items:center;justify-content:center;min-height:40vh;color:var(--text-tertiary)}.loading:after{content:"";width:24px;height:24px;border:2px solid var(--border-default);border-top-color:var(--color-info);border-radius:50%;animation:spin .8s linear infinite;margin-left:12px}@keyframes spin{to{transform:rotate(360deg)}}.hamburger{display:none;position:fixed;top:12px;left:12px;z-index:200;background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:8px;padding:8px 12px;color:var(--text-primary);font-size:1.3rem;cursor:pointer;box-shadow:var(--shadow-md)}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:90}@media(max-width:768px){.sidebar{transform:translate(-100%)}.sidebar-mobile-open .sidebar{transform:translate(0)}.sidebar-overlay.open{display:block}.main-content{margin-left:0}.content-area{padding:56px 16px 20px}.hamburger{display:block}.markdown-body table{font-size:.8rem}.markdown-body th,.markdown-body td{padding:6px 8px}}.cheatsheet-body .markdown-body blockquote{border-left-color:var(--color-bear);background:#f851490f}.cheatsheet-body .markdown-body blockquote p:first-child{font-weight:500}