:root{--accent-primary: #6366f1;--accent-primary-hover: #818cf8;--accent-secondary: #06b6d4;--accent-success: #10b981;--accent-warning: #f59e0b;--accent-danger: #ef4444;--accent-danger-hover: #f87171;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--transition: all .3s cubic-bezier(.4, 0, .2, 1);--gradient-primary: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));--gradient-danger: linear-gradient(135deg, var(--accent-danger), #ff7878);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}[data-theme=dark]{--bg-primary: #0a0e1a;--bg-secondary: #111827;--bg-card: rgba(17, 24, 39, .8);--bg-card-hover: rgba(30, 41, 59, .9);--bg-glass: rgba(10, 14, 26, .85);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--border-subtle: rgba(99, 102, 241, .15);--border-medium: rgba(99, 102, 241, .3);--gradient-card: linear-gradient(135deg, rgba(99, 102, 241, .05), rgba(6, 182, 212, .05));--shadow-glow: 0 0 20px rgba(99, 102, 241, .15);--bg-input: rgba(15, 23, 42, .6);--bg-hover: rgba(30, 41, 59, .6);--bg-table-header: rgba(15, 23, 42, .5);color-scheme:dark}[data-theme=light]{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-card: #ffffff;--bg-card-hover: #f8fafc;--bg-glass: rgba(255, 255, 255, .9);--text-primary: #0f172a;--text-secondary: #334155;--text-muted: #64748b;--border-subtle: rgba(99, 102, 241, .1);--border-medium: rgba(99, 102, 241, .25);--gradient-card: linear-gradient(135deg, rgba(99, 102, 241, .02), rgba(6, 182, 212, .02));--shadow-glow: 0 4px 12px rgba(99, 102, 241, .1);--bg-input: rgba(255, 255, 255, 1);--bg-hover: rgba(241, 245, 249, 1);--bg-table-header: rgba(241, 245, 249, 1);color-scheme:light}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-primary);background-image:radial-gradient(ellipse at 20% 50%,rgba(99,102,241,.05) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(6,182,212,.04) 0%,transparent 50%);color:var(--text-primary);min-height:100vh;transition:background-color .3s ease,color .3s ease}a{color:var(--accent-primary);text-decoration:none;transition:var(--transition)}a:hover{color:var(--accent-primary-hover)}.app-container{max-width:1200px;margin:0 auto;padding:0 24px}.navbar{position:sticky;top:0;z-index:100;background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);padding:0 24px}.navbar-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px}.navbar-logo{display:flex;align-items:center;gap:12px;font-weight:700;font-size:1.25rem;color:var(--text-primary)}.navbar-logo .logo-icon{width:36px;height:36px;background:var(--gradient-primary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.1rem;box-shadow:0 0 16px #6366f14d}.navbar-nav{display:flex;align-items:center;gap:8px}.nav-link{display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.9rem;font-weight:500;transition:var(--transition);border:1px solid transparent}.nav-link:hover,.nav-link.active{color:var(--text-primary);background:#6366f11a;border-color:var(--border-subtle)}.nav-link.active{background:#6366f126;border-color:var(--border-medium)}.page-header{padding:40px 0 24px}.page-title{font-size:2rem;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px}.page-subtitle{color:var(--text-secondary);font-size:1rem;font-weight:400}.card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:24px;transition:var(--transition);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.card:hover{border-color:var(--border-medium);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-title{font-size:1.25rem;font-weight:700;color:var(--text-primary)}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px;margin-top:24px}.project-card{position:relative;overflow:hidden}.project-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);opacity:0;transition:var(--transition)}.project-card:hover:before{opacity:1}.project-name{font-size:1.3rem;font-weight:700;color:var(--text-primary);margin-bottom:6px}.project-desc{color:var(--text-secondary);font-size:.9rem;margin-bottom:16px}.project-stats{display:flex;gap:20px;margin-bottom:16px}.stat{display:flex;flex-direction:column;align-items:center;gap:4px}.stat-value{font-size:1.4rem;font-weight:700;color:var(--accent-primary)}.stat-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.chip-badge{display:inline-flex;align-items:center;gap:6px;background:var(--bg-table-header);border:1px solid var(--border-medium);color:var(--text-secondary);padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:600}.chip-badge.success{background:#10b9811a;border-color:#10b9814d;color:#10b981}.chip-badge.warning{background:#f59e0b1a;border-color:#f59e0b4d;color:#f59e0b}.chip-badge.info{background:#6366f11a;border-color:#6366f14d;color:var(--accent-primary)}.firmware-list{display:flex;flex-direction:column;gap:12px;margin-top:20px}.firmware-item{display:flex;align-items:center;justify-content:space-between;background:var(--bg-table-header);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:16px 20px;transition:var(--transition)}.firmware-item:hover{background:var(--bg-hover);border-color:var(--border-medium)}.firmware-info{flex:1}.firmware-version{font-size:1.1rem;font-weight:700;color:var(--text-primary);margin-bottom:4px}.firmware-meta{display:flex;align-items:center;gap:16px;color:var(--text-muted);font-size:.85rem}.firmware-meta span{display:flex;align-items:center;gap:4px}.firmware-actions{display:flex;gap:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;font-family:inherit;cursor:pointer;transition:var(--transition);border:1px solid transparent;white-space:nowrap}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 2px 12px #6366f14d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 20px #6366f166}.btn-secondary{background:#6366f11a;color:var(--accent-primary);border-color:var(--border-medium)}.btn-secondary:hover{background:#6366f133}.btn-success{background:#10b98126;color:var(--accent-success);border-color:#10b9814d}.btn-success:hover{background:#10b98140}.btn-danger{background:#ef44441a;color:var(--accent-danger);border-color:#ef44444d}.btn-danger:hover{background:#ef444433;color:var(--accent-danger-hover)}.btn-icon{padding:8px;border-radius:var(--radius-sm);min-width:36px;min-height:36px}.btn-lg{padding:14px 28px;font-size:1rem;border-radius:var(--radius-md)}.form-group{margin-bottom:20px}.form-label{display:block;font-size:.85rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px}.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.95rem;font-family:inherit;transition:var(--transition);outline:none}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px #6366f126}.form-input::placeholder{color:var(--text-muted)}.form-select{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}.form-select option{background:var(--bg-secondary);color:var(--text-primary)}.form-textarea{resize:vertical;min-height:80px}.upload-zone{border:2px dashed var(--border-medium);border-radius:var(--radius-lg);padding:40px;text-align:center;transition:var(--transition);cursor:pointer;background:var(--gradient-card)}.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent-primary);background:#6366f10d;box-shadow:var(--shadow-glow)}.upload-zone-icon{font-size:3rem;margin-bottom:12px;opacity:.6}.upload-zone-text{color:var(--text-secondary);font-size:.95rem}.upload-zone-text strong{color:var(--accent-primary)}.upload-file-info{margin-top:12px;padding:12px 16px;background:#10b9811a;border:1px solid rgba(16,185,129,.3);border-radius:var(--radius-sm);color:var(--accent-success);font-size:.9rem;display:flex;align-items:center;gap:8px}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal{background:var(--bg-secondary);border:1px solid var(--border-medium);border-radius:var(--radius-xl);padding:32px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal-title{font-size:1.5rem;font-weight:700;margin-bottom:24px;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.modal-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:24px}.flash-section{margin-top:32px}.flash-card{background:var(--gradient-card);border:1px solid var(--border-medium);border-radius:var(--radius-xl);padding:32px;text-align:center}.flash-card h3{font-size:1.3rem;font-weight:700;margin-bottom:8px}.flash-card p{color:var(--text-secondary);margin-bottom:24px}.flash-card esp-web-install-button{display:block;margin:0 auto}.flash-card esp-web-install-button::part(button){background:var(--gradient-primary)!important;color:#fff!important;border-radius:var(--radius-md)!important;padding:14px 32px!important;font-size:1rem!important;font-weight:700!important;font-family:Inter,sans-serif!important;border:none!important;cursor:pointer!important;box-shadow:0 4px 20px #6366f14d!important;transition:all .3s ease!important}.flash-card esp-web-install-button::part(button):hover{box-shadow:0 6px 28px #6366f180!important;transform:translateY(-2px)!important}.tab-container{display:flex;gap:4px;background:var(--bg-table-header);padding:4px;border-radius:var(--radius-md);margin-bottom:32px;border:1px solid var(--border-subtle)}.tab-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;border:none;background:transparent;color:var(--text-secondary);font-weight:600;font-size:.9rem;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition)}.tab-btn.active{background:var(--gradient-primary);color:#fff;box-shadow:0 2px 8px #6366f140}.tab-btn:not(.active):hover{background:#6366f10d;color:var(--text-primary)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state-icon{font-size:4rem;margin-bottom:16px;opacity:.4}.empty-state h3{font-size:1.3rem;color:var(--text-secondary);margin-bottom:8px}.empty-state p{font-size:.95rem;max-width:400px;margin:0 auto 24px}.table-container{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--border-subtle)}.table{width:100%;border-collapse:collapse}.table th{padding:14px 20px;text-align:left;font-size:.8rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;background:var(--bg-table-header);border-bottom:1px solid var(--border-subtle)}.table td{padding:14px 20px;font-size:.9rem;border-bottom:1px solid rgba(99,102,241,.08)}.table tr:hover td{background:#6366f108}.breadcrumbs{display:flex;align-items:center;gap:8px;margin-bottom:16px;font-size:.9rem}.breadcrumbs a{color:var(--text-muted)}.breadcrumbs a:hover{color:var(--text-primary)}.breadcrumbs .separator{color:var(--text-muted)}.breadcrumbs .current{color:var(--text-primary);font-weight:600}@media (max-width: 768px){.app-container{padding:0 16px}.card-grid{grid-template-columns:1fr}.page-title{font-size:1.5rem}.firmware-item{flex-direction:column;align-items:flex-start;gap:12px}.firmware-actions{width:100%;justify-content:flex-end}.modal{padding:24px}.navbar-inner{flex-direction:column;height:auto;padding:12px 0;gap:8px}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-fadeIn{animation:fadeIn .4s ease-out}.animate-slideUp{animation:slideUp .5s ease-out}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#6366f14d;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#6366f180}.file-size{color:var(--text-muted);font-size:.8rem}.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--text-muted);font-size:.9rem;margin-bottom:16px;transition:var(--transition)}.back-link:hover{color:var(--accent-primary)}.confirm-text{color:var(--text-secondary);font-size:.95rem;line-height:1.6;margin-bottom:8px}