:root{--bg-main:#f9fafb;--bg-card:#fff;--bg-sidebar:#fff;--bg-topbar:#fff;--text-primary:#111827;--text-secondary:#4b5563;--accent-primary:#06f;--accent-hover:#0052cc;--border-color:#e5e7eb;--font-sans:"Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--scroll-thumb:#cbd5e1;--scroll-thumb-hover:#94a3b8;--overlay-bg:#00000080;--btn-text:#fff}body.dark{--bg-main:#121212;--bg-card:#1e1e1e;--bg-sidebar:#121212;--bg-topbar:#121212;--text-primary:#fff;--text-secondary:#aaa;--accent-primary:#3b82f6;--accent-hover:#60a5fa;--border-color:#2e2e2e;--scroll-thumb:#333;--scroll-thumb-hover:#444;--overlay-bg:#ffffff1a;--btn-text:#fff}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;transition:background-color .3s,color .3s;overflow:hidden}#root{width:100vw;height:100vh}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--scroll-thumb);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--scroll-thumb-hover)}.sidebar{background-color:var(--bg-sidebar);border-right:1px solid var(--border-color);z-index:100;flex-direction:column;flex-shrink:0;justify-content:space-between;width:250px;min-width:250px;padding:24px 20px;display:flex}.builtattic-logo-sidebar{color:var(--text-primary);cursor:pointer;margin-bottom:24px;padding:0 12px;font-size:16px;font-weight:800;line-height:1.2}.sidebar-search{background-color:var(--bg-main);border:1px solid var(--border-color);border-radius:8px;align-items:center;gap:8px;margin-bottom:12px;padding:8px 12px;display:flex}.sidebar-search input{color:var(--text-primary);background:0 0;border:none;outline:none;width:100%;font-size:13px}.sidebar-nav-group{flex-direction:column;gap:4px;display:flex}.nav-item-wide{width:100%;color:var(--text-secondary);cursor:pointer;border-radius:8px;align-items:center;gap:12px;padding:10px 12px;transition:all .2s;display:flex}.nav-item-wide span{font-size:13px;font-weight:500}.nav-item-wide:hover,.nav-item-wide.active{background-color:var(--bg-card);color:var(--text-primary)}.nav-item-wide.active{border:1px solid var(--border-color)}.profile-icon-small{background:var(--accent-primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;font-size:12px;font-weight:700;display:flex}.user-profile-item{margin-top:12px}.app-container{background-color:var(--bg-main);width:100vw;height:100vh;color:var(--text-primary);flex-direction:column;display:flex;overflow:hidden}.topbar{background-color:var(--bg-topbar);border-bottom:1px solid var(--border-color);z-index:200;justify-content:space-between;align-items:center;height:56px;padding:0 24px;display:flex}.topbar-left{align-items:center;gap:32px;display:flex}.builtattic-logo{color:var(--text-primary);letter-spacing:-.5px;cursor:pointer;font-size:18px;font-weight:900}.topbar-links{gap:24px;display:flex}.topbar-links span{color:var(--text-secondary);cursor:pointer;font-size:13px;font-weight:500;transition:color .2s}.topbar-links span:hover,.topbar-links span.active{color:var(--text-primary)}.topbar-right{align-items:center;gap:16px;display:flex}.search-box{background-color:var(--bg-main);border:1px solid var(--border-color);border-radius:20px;align-items:center;gap:8px;padding:6px 12px;display:flex}.search-box input{color:var(--text-primary);background:0 0;border:none;outline:none;width:150px;font-size:13px}.profile-icon{background:var(--accent-primary);color:#fff;cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:12px;font-weight:700;display:flex}.login-btn{cursor:pointer;color:var(--text-primary);font-size:13px;font-weight:600}.body-layout{flex:1;display:flex;overflow:hidden}.main-content{background-color:var(--bg-main);flex:1;position:relative;overflow-y:auto}.right-panel{background-color:var(--bg-card);border-left:1px solid var(--border-color);z-index:100;flex-direction:column;width:280px;padding:24px;transition:width .3s,padding .3s;display:flex;overflow:hidden}.right-panel.collapsed{width:64px;padding:24px 12px}.toggle-right-sidebar{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:4px;display:flex}.toggle-right-sidebar:hover{background:var(--border-color);color:var(--text-primary)}.right-panel h3{color:var(--text-primary);margin-bottom:24px;font-size:14px;font-weight:600}.recent-files-empty{text-align:center;color:var(--text-secondary);flex-direction:column;flex:1;justify-content:center;align-items:center;display:flex}.recent-files-empty p{color:var(--text-primary);margin:16px 0 8px;font-size:14px;font-weight:600}.recent-files-empty span{font-size:12px}.upload-btn{border:1px solid var(--text-primary);color:var(--text-primary);cursor:pointer;background:0 0;border-radius:20px;align-items:center;gap:8px;margin-top:16px;padding:8px 16px;font-size:13px;font-weight:600;transition:background .2s;display:flex}.upload-btn:hover{background:var(--border-color)}.recent-gen-item{background:var(--bg-main);cursor:pointer;border:1px solid var(--border-color);border-radius:8px;align-items:center;gap:12px;margin-bottom:8px;padding:12px;transition:background .2s;display:flex}.recent-gen-item:hover{background:var(--border-color)}.hero-section{border-radius:16px;justify-content:center;align-items:center;height:380px;margin:24px;display:flex;position:relative;overflow:hidden}.hero-bg{filter:saturate(1.2)brightness(.9);z-index:1;background-position:50%;background-size:cover;position:absolute;inset:0}.hero-content{z-index:2;text-align:center;width:100%;max-width:700px;padding:0 24px;position:relative}.hero-content h1{color:#fff;text-shadow:0 2px 10px #00000080;margin-bottom:32px;font-size:42px;font-weight:700}.firefly-prompt{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);text-align:left;background:#181818d9;border:1px solid #ffffff1a;border-radius:16px;padding:20px 24px;box-shadow:0 20px 40px #0000004d}.prompt-header{margin-bottom:12px}.prompt-header span{color:#aaa;text-transform:uppercase;font-size:11px;font-weight:600}.prompt-header p{color:#fff;margin-top:4px;font-size:14px}.prompt-input-row{align-items:center;gap:12px;display:flex}.prompt-input-row input{color:#fff;background:0 0;border:none;outline:none;flex:1;font-size:16px}.prompt-input-row input::placeholder{color:#666}.firefly-generate-btn{color:#000;cursor:pointer;background:#fff;border:none;border-radius:24px;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;transition:opacity .2s;display:flex}.firefly-generate-btn:hover{opacity:.9}.firefly-categories{flex-wrap:wrap;justify-content:center;gap:12px;margin:0 24px 32px;display:flex}.firefly-chip{color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:20px;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:500;transition:all .2s;display:flex}.firefly-chip:hover{background:var(--bg-card);color:var(--text-primary)}.firefly-chip.active{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color)}.firefly-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;padding:0 24px 48px;display:grid}.firefly-card{background:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;border-radius:16px;transition:transform .2s,border-color .2s;position:relative;overflow:hidden}.firefly-card:hover{border-color:var(--text-secondary);transform:translateY(-4px)}.firefly-card img{object-fit:cover;width:100%;height:180px}.card-body{padding:16px}.card-body h4{color:var(--text-primary);margin-bottom:6px;font-size:15px;font-weight:600}.card-body p{color:var(--text-secondary);margin-bottom:12px;font-size:13px;line-height:1.4}.card-badge{color:var(--accent-primary);background:#3b82f61a;border-radius:6px;align-items:center;gap:6px;padding:4px 8px;font-size:11px;font-weight:600;display:inline-flex}.auth-modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000000b3;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.auth-modal{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;width:100%;max-width:400px;padding:32px}.auth-form{flex-direction:column;gap:16px;display:flex}.auth-form input{border:1px solid var(--border-color);background:var(--bg-main);color:var(--text-primary);border-radius:8px;outline:none;padding:12px;font-size:14px}.generate-btn{background-color:var(--accent-primary);color:#fff;cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:10px 24px;font-size:14px;font-weight:600;transition:background-color .2s;display:flex}.generate-btn:hover{background-color:var(--accent-hover)}.generate-btn:disabled{opacity:.5;cursor:not-allowed}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.detail-modal{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;width:100%;max-width:500px;max-height:85vh;padding:24px;overflow-y:auto}.detail-badge{border-radius:6px;padding:4px 8px;font-size:11px;font-weight:600}.badge-blue{color:#3b82f6;background:#3b82f61a}.badge-green{color:#10b981;background:#10b9811a}.form-label{color:var(--text-secondary);margin-bottom:6px;font-size:12px;font-weight:600;display:block}.form-input{border:1px solid var(--border-color);background:var(--bg-main);width:100%;color:var(--text-primary);border-radius:8px;outline:none;padding:10px;font-size:14px}.mobile-app-container{background:var(--bg-main);width:100vw;height:100vh;color:var(--text-primary);flex-direction:column;display:flex;overflow-x:hidden}.mobile-header{background:var(--bg-card);border-bottom:1px solid var(--border-color);z-index:100;justify-content:space-between;align-items:center;padding:16px 20px;display:flex;position:sticky;top:0}.mobile-logo-group{align-items:center;gap:8px;display:flex}.mobile-logo-group img{height:28px}.mobile-logo-group span{font-size:16px;font-weight:700}.mobile-header-actions{color:var(--text-secondary);align-items:center;gap:16px;display:flex}.mobile-profile-avatar{background:var(--accent-primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:12px;font-weight:700;display:flex}.mobile-profile-avatar-large{background:var(--accent-primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin:0 auto;font-size:32px;font-weight:700;display:flex}.mobile-view-container{padding-bottom:80px}.mobile-main{flex:1;padding:20px;overflow-y:auto}.mobile-hero{margin-bottom:32px}.mobile-hero h1{letter-spacing:-.5px;margin-bottom:20px;font-size:28px;font-weight:800}.mobile-prompt-box{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;align-items:center;padding:8px 8px 8px 16px;display:flex;box-shadow:0 4px 12px #0000000d}.mobile-prompt-box input{color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;font-size:14px}.mobile-prompt-box button{background:var(--text-primary);color:var(--bg-main);border:none;border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.mobile-section{margin-bottom:32px}.section-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.section-header h3{font-size:18px;font-weight:700}.see-all{color:var(--accent-primary);background:0 0;border:none;font-size:13px;font-weight:600}.mobile-tools-grid{grid-template-columns:repeat(5,1fr);gap:12px;display:grid}.tool-card-mini{flex-direction:column;align-items:center;gap:8px;display:flex}.tool-icon{border-radius:16px;justify-content:center;align-items:center;width:50px;height:50px;display:flex}.tool-card-mini span{color:var(--text-secondary);font-size:11px;font-weight:600}.mobile-horizontal-scroll{scroll-snap-type:x mandatory;gap:16px;padding-bottom:8px;display:flex;overflow-x:auto}.mobile-horizontal-scroll::-webkit-scrollbar{display:none}.mobile-feature-card{background:var(--bg-card);border:1px solid var(--border-color);scroll-snap-align:start;border-radius:16px;min-width:240px;overflow:hidden}.mobile-feature-card img{object-fit:cover;width:100%;height:140px}.m-card-content{padding:12px}.m-card-content h4{margin-bottom:4px;font-size:15px;font-weight:600}.m-card-content p{color:var(--accent-primary);font-size:12px;font-weight:600}.mobile-activity-list{flex-direction:column;gap:12px;display:flex}.activity-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;align-items:center;gap:12px;padding:12px;display:flex}.activity-icon{background:var(--bg-main);width:36px;height:36px;color:var(--text-secondary);border-radius:10px;justify-content:center;align-items:center;display:flex}.activity-details{flex:1}.activity-details p{margin-bottom:2px;font-size:14px;font-weight:600}.activity-details span{color:var(--text-secondary);font-size:11px}.mobile-nav{background:var(--bg-card);border-top:1px solid var(--border-color);z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);justify-content:space-around;align-items:center;height:70px;padding-bottom:12px;display:flex;position:fixed;bottom:0;left:0;right:0}.m-nav-item{color:var(--text-secondary);flex-direction:column;align-items:center;gap:4px;transition:all .2s;display:flex}.m-nav-item.active{color:var(--accent-primary)}.m-nav-item span{font-size:10px;font-weight:600}.recent-gen-item-v2{background:var(--bg-main);cursor:pointer;border:1px solid var(--border-color);border-radius:10px;margin-bottom:10px;transition:all .2s;overflow:hidden}.recent-gen-item-v2:hover{border-color:var(--text-secondary);transform:translateY(-1px);box-shadow:0 4px 12px #00000026}.recent-gen-thumb{border-radius:8px 8px 0 0;width:100%;height:80px;position:relative;overflow:hidden}.recent-gen-thumb img{transition:transform .3s}.recent-gen-item-v2:hover .recent-gen-thumb img{transform:scale(1.05)}.recent-gen-type-badge{text-transform:capitalize;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:4px;align-items:center;gap:3px;padding:2px 6px;font-size:9px;font-weight:600;display:flex;position:absolute;bottom:6px;left:6px}.prompt-quick-links{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.prompt-quick-link{color:#ffffffb3;cursor:pointer;background:#ffffff14;border:1px solid #ffffff1f;border-radius:20px;align-items:center;gap:6px;padding:6px 12px;font-size:11px;font-weight:600;transition:all .2s;display:flex}.prompt-quick-link:hover{color:#fff;background:#ffffff26;border-color:#ffffff40;transform:translateY(-1px)}