:root{--bg-deep:#1a1d29;--bg-panel:#20232f;--bg-card:#262a3a;--border-card:#363b4f;--text-primary:#e4e6eb;--text-muted:#8b8fa3;--accent-lavender:#a78bfa;--accent-mint:#6ee7b7;--accent-amber:#fbbf86;--accent-rose:#f4a8b8;--accent-lavender-bg:#a78bfa1f;--accent-mint-bg:#6ee7b71f;--accent-amber-bg:#fbbf861f;--accent-rose-bg:#f4a8b81f;--shadow-card:0 4px 12px #0000004d;--radius:9px;--radius-sm:6px;--sans:"Inter", system-ui, -apple-system, sans-serif;--mono:"JetBrains Mono", ui-monospace, Consolas, monospace;font:15px/1.6 var(--sans);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:var(--text-primary);background:var(--bg-deep);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,:before,:after{box-sizing:border-box}body{margin:0}#root{width:100%;min-height:100svh;display:flex}h1,h2,h3{font-family:var(--sans);color:var(--text-primary);font-weight:600}h1{letter-spacing:-.4px;margin:0 0 20px;font-size:28px}h2{margin:0 0 12px;font-size:20px}p{margin:0}code{font-family:var(--mono);color:var(--accent-mint);background:#ffffff0f;border-radius:4px;padding:2px 6px;font-size:13px}a{color:var(--accent-lavender);text-decoration:none}a:hover{text-decoration:underline}input,select,textarea,button{font-family:inherit}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-card);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app{min-height:100svh;display:flex}.sidebar{background:var(--bg-panel);border-right:1px solid var(--border-card);flex-direction:column;flex-shrink:0;width:220px;height:100svh;padding:0;display:flex;position:sticky;top:0}.sidebar-logo{color:var(--text-primary);border-bottom:1px solid var(--border-card);letter-spacing:-.3px;padding:20px 18px 16px;font-size:18px;font-weight:700}.sidebar-nav{flex-direction:column;gap:2px;padding:12px 10px;display:flex}.sidebar-link{border-radius:var(--radius-sm);color:var(--text-muted);align-items:center;gap:10px;padding:8px 12px;font-size:14px;font-weight:500;text-decoration:none;transition:background .15s,color .15s;display:flex}.sidebar-link:hover{background:var(--bg-card);color:var(--text-primary);text-decoration:none}.sidebar-link.active{background:var(--accent-lavender-bg);color:var(--accent-lavender)}.sidebar-section-label{text-transform:uppercase;letter-spacing:.6px;color:var(--text-muted);padding:16px 12px 6px;font-size:11px;font-weight:600}.category-btns{flex-direction:column;gap:2px;padding:0 10px 8px;display:flex}.category-btn{text-align:left;border-radius:var(--radius-sm);width:100%;color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:7px 12px;font-size:13px;font-weight:500;transition:background .15s,color .15s;display:block}.category-btn:hover,.category-btn.active{background:var(--bg-card);color:var(--text-primary)}.sidebar-github{border-top:1px solid var(--border-card);margin-top:auto;padding:12px 10px}.sidebar-github-status{border-radius:var(--radius-sm);cursor:pointer;color:var(--text-muted);text-align:left;background:0 0;border:none;align-items:center;gap:8px;width:100%;padding:8px 12px;font-size:13px;transition:background .15s;display:flex}.sidebar-github-status:hover{background:var(--bg-card);color:var(--text-primary)}.sidebar-github-status.connected{color:var(--accent-mint)}.sidebar-github-status .dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.sidebar-github-status .dot.on{background:var(--accent-mint)}.sidebar-github-status .dot.off{background:var(--text-muted)}.main{flex:1;max-width:960px;padding:28px 32px}.btn{border-radius:var(--radius-sm);border:1px solid var(--border-card);background:var(--bg-card);color:var(--text-primary);cursor:pointer;align-items:center;gap:6px;padding:8px 18px;font-size:14px;font-weight:500;transition:border-color .15s,background .15s;display:inline-flex}.btn:hover:not(:disabled){border-color:var(--accent-lavender);background:var(--accent-lavender-bg)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent-lavender);color:#fff;border-color:var(--accent-lavender)}.btn-primary:hover:not(:disabled){background:#9577e0;border-color:#9577e0}.btn-sm{padding:5px 12px;font-size:13px}.card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:18px 20px}.status-dot{align-items:center;gap:7px;font-size:13px;font-weight:500;display:inline-flex}.status-dot:before{content:"";border-radius:50%;flex-shrink:0;width:10px;height:10px}.status-dot.idle:before{background:var(--text-muted)}.status-dot.connecting:before{background:var(--accent-amber)}.status-dot.connected:before{background:var(--accent-mint)}.status-dot.flashing:before{background:var(--accent-amber);animation:.8s infinite pulse}.status-dot.erasing:before{background:var(--accent-rose);animation:.8s infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.flasher-panel{flex-direction:column;gap:16px;display:flex}.flasher-controls{flex-wrap:wrap;gap:10px;display:flex}.flasher-chip-info{color:var(--text-muted);font-size:14px}.flasher-warning{border-radius:var(--radius-sm);background:var(--accent-amber-bg);color:var(--accent-amber);border:1px solid #fbbf864d;padding:10px 14px;font-size:13px}.flasher-error{border-radius:var(--radius-sm);background:var(--accent-rose-bg);color:var(--accent-rose);border:1px solid #f4a8b84d;padding:10px 14px;font-size:13px}.flasher-progress-bar{background:var(--bg-card);border-radius:3px;height:6px;position:relative;overflow:hidden}.flasher-progress-fill{background:var(--accent-lavender);border-radius:3px;height:100%;transition:width .3s}.flasher-parts{color:var(--text-muted);font-size:13px}.flasher-parts ul{margin:4px 0 0;padding:0;list-style:none}.flasher-parts li{font-family:var(--mono);padding:2px 0;font-size:12px}.flasher-log{border:1px solid var(--border-card);border-radius:var(--radius-sm);height:220px;font-family:var(--mono);background:#11131e;padding:10px 14px;font-size:12px;line-height:1.6;overflow-y:auto}.flasher-log-line{white-space:pre-wrap;word-break:break-all;color:var(--text-primary)}.project-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;display:grid}.project-card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius);box-shadow:var(--shadow-card);flex-direction:column;gap:10px;padding:18px 20px;transition:border-color .15s;display:flex}.project-card:hover{border-color:var(--accent-lavender)}.project-card-title{color:var(--text-primary);margin:0;font-size:16px;font-weight:600}.project-card-meta{color:var(--text-muted);flex-direction:column;gap:3px;font-size:12px;display:flex}.category-pill{text-transform:uppercase;letter-spacing:.5px;border-radius:10px;align-self:flex-start;padding:2px 8px;font-size:10px;font-weight:700;display:inline-block}.category-pill.ARDUINO{color:var(--accent-mint);background:#6ee7b726}.category-pill.ESP{color:var(--accent-lavender);background:#a78bfa26}.category-pill.STM32{color:var(--accent-amber);background:#fbbf8626}.file-table{border-collapse:collapse;width:100%;font-size:13px}.file-table th,.file-table td{text-align:left;border-bottom:1px solid var(--border-card);padding:8px 12px}.file-table th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:600}.file-table td{font-family:var(--mono);font-size:12px}.upload-form{flex-direction:column;gap:16px;max-width:600px;display:flex}.upload-field{flex-direction:column;gap:4px;display:flex}.upload-field label{color:var(--text-muted);font-size:13px;font-weight:500}.upload-field input,.upload-field select{border-radius:var(--radius-sm);border:1px solid var(--border-card);background:var(--bg-card);color:var(--text-primary);padding:8px 12px;font-size:14px}.upload-field input:focus,.upload-field select:focus{border-color:var(--accent-lavender);outline:none}.upload-dropzone{border:2px dashed var(--border-card);border-radius:var(--radius);text-align:center;cursor:pointer;color:var(--text-muted);background:var(--bg-card);padding:36px 20px;font-size:13px;transition:border-color .2s,background .2s}.upload-dropzone:hover,.upload-dropzone--over{border-color:var(--accent-lavender);background:var(--accent-lavender-bg)}.upload-file-list{flex-direction:column;gap:8px;display:flex}.upload-file-list h2{margin:0;font-size:15px}.upload-file-row{border:1px solid var(--border-card);border-radius:var(--radius-sm);background:var(--bg-card);align-items:center;gap:12px;padding:8px 12px;font-size:13px;display:flex}.upload-file-name{color:var(--text-primary);word-break:break-all;font-weight:500;font-family:var(--mono);flex:1;font-size:12px}.upload-file-size{color:var(--text-muted);white-space:nowrap}.upload-offset-input{border:1px solid var(--border-card);background:var(--bg-deep);width:110px;color:var(--accent-mint);font-family:var(--mono);border-radius:4px;margin-left:4px;padding:4px 8px;font-size:12px}.upload-offset-input:focus{border-color:var(--accent-lavender);outline:none}.upload-progress{border-radius:var(--radius-sm);background:var(--accent-lavender-bg);color:var(--accent-lavender);border:1px solid #a78bfa4d;padding:10px 14px;font-size:13px}.github-auth{flex-direction:column;gap:14px;max-width:480px;display:flex}.github-auth h2{margin:0;font-size:18px}.github-auth-help{color:var(--text-muted);font-size:12px;line-height:1.5}.github-auth-help a{color:var(--accent-lavender)}.github-auth-remember{color:var(--text-muted);cursor:pointer;align-items:flex-start;gap:8px;font-size:12px;display:flex}.github-auth-remember input{accent-color:var(--accent-lavender);margin-top:3px}.pat-wrapper{position:relative}.pat-wrapper input{width:100%;padding-right:38px}.pat-toggle{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:4px;font-size:16px;line-height:1;position:absolute;top:50%;right:6px;transform:translateY(-50%)}.pat-toggle:hover{color:var(--text-primary)}.error-boundary{flex-direction:column;gap:14px;max-width:480px;padding:60px 24px;display:flex}.error-boundary h1{margin:0;font-size:22px}.sidebar-auth-inline{flex-direction:column;gap:8px;padding:10px;display:flex}.sidebar-auth-inline input{border:1px solid var(--border-card);background:var(--bg-deep);color:var(--text-primary);border-radius:4px;width:100%;padding:6px 10px;font-size:12px}.sidebar-auth-inline input:focus{border-color:var(--accent-lavender);outline:none}.sidebar-auth-inline .btn{justify-content:center;width:100%;padding:6px 12px;font-size:12px}.sidebar-auth-inline .btn-sm{padding:4px 10px;font-size:11px}