:root{--bg: #0d1117;--surface: #161b22;--surface-2: #21262d;--surface-3: #2d333b;--border: #30363d;--border-2: #444c56;--text: #e6edf3;--text-2: #b1bac4;--text-muted: #8b949e;--blue: #58a6ff;--green: #3fb950;--yellow: #d29922;--purple: #bc8cff;--red: #f85149;--font: "Inter", system-ui, -apple-system, sans-serif;--mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;--radius: 8px;--radius-lg: 12px;--shadow: 0 1px 3px rgba(0,0,0,.4), 0 4px 12px rgba(0,0,0,.3)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6;min-height:100vh}button{cursor:pointer;font-family:inherit}pre,code{font-family:var(--mono)}a{color:var(--blue);text-decoration:none}.app{max-width:900px;margin:0 auto;padding:0 20px 80px}.progress-track{width:100%;background:var(--surface-3);border-radius:99px;overflow:hidden}.progress-fill{height:100%;border-radius:99px;transition:width .4s ease}.dashboard-header{padding:48px 0 24px;border-bottom:1px solid var(--border);margin-bottom:32px;display:flex;align-items:center;justify-content:space-between}.app-title{font-size:2rem;font-weight:700;letter-spacing:-.5px;color:var(--text)}.app-tagline{color:var(--text-muted);margin-top:4px;font-size:.95rem}.overall-progress{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 24px;margin-bottom:32px}.overall-text{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px;flex-wrap:wrap;gap:4px}.overall-label{font-weight:600;color:var(--text-2);font-size:.9rem;text-transform:uppercase;letter-spacing:.05em}.overall-numbers{color:var(--text-muted);font-size:.875rem}.overall-stats{display:flex;gap:16px;margin-top:10px;font-size:.8rem}.phases-grid{display:grid;grid-template-columns:1fr;gap:16px}@media (min-width: 640px){.phases-grid{grid-template-columns:1fr 1fr}}.phase-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;text-align:left;transition:border-color .15s,transform .1s,box-shadow .15s;display:flex;flex-direction:column;gap:10px;width:100%}.phase-card:hover{border-color:var(--border-2);transform:translateY(-2px);box-shadow:var(--shadow)}.phase-card-header{display:flex;align-items:center;gap:10px}.phase-icon{font-size:1.5rem;flex-shrink:0}.phase-icon-lg{font-size:2.5rem;flex-shrink:0}.phase-meta{flex:1;display:flex;flex-direction:column;gap:1px}.phase-duration{font-size:.75rem;color:var(--text-muted);font-weight:500}.phase-counts{font-size:.75rem;color:var(--text-muted)}.phase-pct{font-size:1.2rem;font-weight:700;font-variant-numeric:tabular-nums}.phase-title{font-size:1rem;font-weight:700;color:var(--text)}.phase-subtitle{font-size:.8rem;color:var(--text-2);font-style:italic}.phase-desc{font-size:.825rem;color:var(--text-muted);line-height:1.5}.phase-footer{display:flex;justify-content:space-between;align-items:center;margin-top:4px}.phase-stats{display:flex;gap:6px;flex-wrap:wrap}.stat-chip{font-size:.7rem;padding:2px 8px;border-radius:99px;border:1px solid;font-weight:500}.phase-cta{font-size:.8rem;font-weight:600}.dashboard-footer{margin-top:48px;padding-top:20px;border-top:1px solid var(--border);color:var(--text-muted);font-size:.8rem}.breadcrumb{display:flex;align-items:center;gap:8px;padding:24px 0 0;font-size:.85rem;color:var(--text-muted);margin-bottom:24px}.back-btn{background:none;border:none;color:var(--blue);font-size:.85rem;padding:0;transition:opacity .15s}.back-btn:hover{opacity:.7}.breadcrumb-sep{color:var(--border-2)}.breadcrumb-current{color:var(--text-2)}.phase-view-header{display:flex;gap:16px;align-items:flex-start;margin-bottom:24px}.phase-view-title{font-size:1.5rem;font-weight:700;letter-spacing:-.3px}.phase-view-subtitle{font-size:.9rem;color:var(--text-2);font-style:italic;margin:4px 0 8px}.phase-view-desc{font-size:.875rem;color:var(--text-muted);line-height:1.6}.phase-progress-bar-row{display:flex;align-items:center;gap:16px;margin-bottom:32px}.phase-progress-label{font-size:.8rem;color:var(--text-muted);white-space:nowrap}.modules-list{display:flex;flex-direction:column;gap:24px}.module-section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.module-header{display:flex;gap:12px;align-items:flex-start;padding:18px 20px 14px;border-bottom:1px solid var(--border)}.module-icon{font-size:1.25rem;flex-shrink:0;margin-top:2px}.module-title{font-size:1rem;font-weight:600;color:var(--text)}.module-summary{font-size:.8rem;color:var(--text-muted);margin-top:2px}.module-prog{margin-left:auto;flex-shrink:0;display:flex;flex-direction:column;align-items:flex-end;gap:4px}.module-prog-pct{font-size:.75rem;color:var(--text-muted);font-variant-numeric:tabular-nums}.topic-list{display:flex;flex-direction:column}.topic-row{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--border);transition:background .1s}.topic-row:last-child{border-bottom:none}.topic-row:hover{background:var(--surface-2)}.status-btn{display:flex;align-items:center;gap:6px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:5px 10px;font-size:.75rem;font-weight:500;white-space:nowrap;flex-shrink:0;transition:all .15s;min-width:120px}.status-btn:hover{border-color:var(--border-2);background:var(--surface-3)}.status-icon{font-size:.9rem}.status-label{font-size:.75rem}.status-not-started{color:var(--text-muted)}.status-in-progress{color:var(--yellow);border-color:var(--yellow)!important}.status-completed{color:var(--green);border-color:var(--green)!important}.topic-row-body{flex:1;cursor:pointer;min-width:0}.topic-title{display:block;font-weight:500;font-size:.9rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topic-summary{display:block;font-size:.775rem;color:var(--text-muted);margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.view-btn{background:none;border:1px solid var(--border);border-radius:var(--radius);color:var(--blue);padding:5px 12px;font-size:.8rem;white-space:nowrap;flex-shrink:0;transition:all .15s}.view-btn:hover{background:var(--surface-2);border-color:var(--blue)}.topic-view{padding-bottom:60px}.topic-header{padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:24px}.topic-header-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.topic-phase-tag{font-size:.75rem;border:1px solid;border-radius:99px;padding:3px 10px;font-weight:500}.topic-status-display{font-size:.8rem;font-weight:500}.topic-title-lg{font-size:1.6rem;font-weight:700;letter-spacing:-.4px;margin-bottom:8px;line-height:1.3}.topic-summary-lg{font-size:.95rem;color:var(--text-2);margin-bottom:18px;line-height:1.6}.cycle-status-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius);border:1px solid var(--border-2);background:var(--surface-2);color:var(--text-2);font-size:.85rem;font-weight:500;transition:all .15s}.cycle-status-btn:hover{background:var(--surface-3);color:var(--text)}.topic-content{display:flex;flex-direction:column;gap:24px}.content-section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.section-heading{font-size:1rem;font-weight:600;padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px;color:var(--text)}.section-icon{font-size:1rem}.concepts-list{padding:4px 0}.concept-card{padding:16px 20px;border-bottom:1px solid var(--border)}.concept-card:last-child{border-bottom:none}.concept-name{font-size:.9rem;font-weight:600;color:var(--text);margin-bottom:6px}.concept-body{font-size:.875rem;color:var(--text-2);line-height:1.65}.code-block-wrapper{background:#0d1117}.code-block-header{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:var(--surface-2);border-bottom:1px solid var(--border)}.code-lang{font-size:.75rem;color:var(--text-muted);font-family:var(--mono)}.copy-btn{background:var(--surface-3);border:1px solid var(--border);border-radius:4px;color:var(--text-muted);font-size:.75rem;padding:3px 10px;transition:all .15s}.copy-btn:hover{color:var(--text);border-color:var(--border-2)}.code-block{padding:20px;overflow-x:auto;font-size:.8rem;line-height:1.7;color:#e6edf3;background:var(--bg)}.code-block code{white-space:pre}.exercise-card{padding:20px;font-size:.9rem;color:var(--text-2);line-height:1.7;border-left:3px solid var(--blue);margin:16px;background:var(--surface-2);border-radius:0 var(--radius) var(--radius) 0}.devops-card{padding:20px;font-size:.9rem;color:var(--text-2);line-height:1.7;border-left:3px solid var(--green);margin:16px;background:var(--surface-2);border-radius:0 var(--radius) var(--radius) 0}.topic-nav-footer{margin-top:32px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}.cycle-status-btn-lg{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius);border:1px solid var(--border-2);background:var(--surface);color:var(--text);font-size:.9rem;font-weight:500;transition:all .15s}.cycle-status-btn-lg:hover{background:var(--surface-2)}.back-to-module-btn{background:none;border:1px solid var(--border);border-radius:var(--radius);color:var(--text-muted);padding:10px 16px;font-size:.875rem;transition:all .15s}.back-to-module-btn:hover{color:var(--text);border-color:var(--border-2)}.auth-btn{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--radius);font-size:.85rem;font-weight:500;border:1px solid var(--border-2);transition:all .15s;white-space:nowrap;flex-shrink:0}.auth-btn--in{background:var(--surface-2);color:var(--text)}.auth-btn--in:hover{background:var(--surface-3);border-color:var(--text-muted)}.auth-btn--out{background:none;color:var(--text-muted);font-size:.78rem;padding:4px 10px;border-color:var(--border)}.auth-btn--out:hover{color:var(--red);border-color:var(--red)}.auth-btn--loading{background:none;border-color:transparent;color:var(--text-muted);font-size:.85rem}.auth-user{display:flex;align-items:center;gap:8px;flex-shrink:0}.auth-avatar{width:26px;height:26px;border-radius:50%;border:1px solid var(--border-2)}.auth-name{font-size:.85rem;color:var(--text-2);max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.github-icon{width:16px;height:16px;flex-shrink:0}.sync-indicator{font-size:.75rem;color:var(--blue);animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}@media (max-width: 480px){.auth-name{display:none}.dashboard-header{flex-wrap:wrap;gap:12px}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--surface)}::-webkit-scrollbar-thumb{background:var(--border-2);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@media (max-width: 480px){.app{padding:0 12px 60px}.topic-title-lg{font-size:1.3rem}.topic-row{flex-wrap:wrap;gap:8px}.view-btn{display:none}.phase-view-header{flex-direction:column}.status-btn{min-width:unset;padding:6px 10px}.status-icon{font-size:1.1rem}}
