:root{--bg-primary:#0a0e17;--bg-secondary:#101726;--bg-tertiary:#162035;--bg-card:#162035b3;--bg-card-hover:#1c2944d9;--border-subtle:#ffffff14;--border-focus:#00f0ff66;--border-card:#00f0ff1f;--text-main:#f0f6fc;--text-muted:#8b9bb4;--text-dim:#5c6c84;--accent-cyan:#00f0ff;--accent-cyan-glow:#00f0ff40;--accent-green:#00e676;--accent-green-dark:#00a854;--accent-green-glow:#00e6764d;--accent-orange:#ff9100;--accent-red:#ff3d00;--accent-purple:#b388ff;--accent-pico:#cc2444;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-heading:"Outfit", var(--font-sans);--font-mono:"JetBrains Mono", "Fira Code", Consolas, monospace;--sidebar-width:240px;--sidebar-collapsed-width:68px;--header-height:64px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 8px 24px #0006;--shadow-glow:0 0 20px var(--accent-cyan-glow);--shadow-green-glow:0 0 20px var(--accent-green-glow);--transition-fast:.15s ease;--transition-normal:.25s cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.6;overflow-x:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:var(--radius-sm);border:2px solid var(--bg-primary)}::-webkit-scrollbar-thumb:hover{background:var(--border-focus)}.app-container{min-height:100vh;display:flex;position:relative}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-subtle);z-index:100;transition:width var(--transition-normal);-webkit-user-select:none;user-select:none;flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar.collapsed{width:var(--sidebar-collapsed-width)}.sidebar-header{height:var(--header-height);border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding:0 16px;display:flex}.brand-logo{color:var(--text-main);font-family:var(--font-heading);letter-spacing:-.5px;align-items:center;gap:10px;font-size:1.25rem;font-weight:700;text-decoration:none;display:flex}.brand-icon-box{border-radius:var(--radius-md);color:#000;background:linear-gradient(135deg,#00f0ff,#06f);justify-content:center;align-items:center;width:36px;height:36px;display:flex;box-shadow:0 0 12px #00f0ff66}.collapse-toggle{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);transition:var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;padding:6px;display:flex}.collapse-toggle:hover{background:var(--bg-tertiary);color:var(--text-main)}.sidebar-content{flex-direction:column;flex:1;gap:24px;padding:16px 10px;display:flex;overflow-y:auto}.nav-section-title{text-transform:uppercase;letter-spacing:1px;color:var(--text-dim);white-space:nowrap;text-overflow:ellipsis;padding:0 12px 6px;font-size:.72rem;font-weight:700;overflow:hidden}.nav-list{flex-direction:column;gap:4px;list-style:none;display:flex}.nav-item-btn{border-radius:var(--radius-md);width:100%;color:var(--text-muted);text-align:left;cursor:pointer;transition:var(--transition-fast);white-space:nowrap;background:0 0;border:none;align-items:center;gap:12px;padding:10px 12px;font-size:.92rem;font-weight:500;display:flex}.nav-item-btn:hover{background:var(--bg-tertiary);color:var(--text-main)}.nav-item-btn.active{color:var(--accent-cyan);border-left:3px solid var(--accent-cyan);background:linear-gradient(90deg,#00f0ff26,#00f0ff0d);font-weight:600}.nav-item-icon{flex-shrink:0;width:20px;height:20px}.sidebar-footer{border-top:1px solid var(--border-subtle);padding:16px}.device-badge{background:var(--bg-tertiary);border:1px solid var(--border-card);border-radius:var(--radius-md);align-items:center;gap:10px;padding:10px 12px;font-size:.82rem;display:flex}.status-dot{background:var(--accent-green);width:8px;height:8px;box-shadow:0 0 8px var(--accent-green);border-radius:50%}.main-wrapper{margin-left:var(--sidebar-width);min-height:100vh;transition:margin-left var(--transition-normal);flex-direction:column;flex:1;display:flex}.main-wrapper.expanded{margin-left:var(--sidebar-collapsed-width)}.top-header{height:var(--header-height);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);z-index:90;background:#101726d9;justify-content:space-between;align-items:center;gap:20px;padding:0 24px;display:flex;position:sticky;top:0}.search-box{flex:1;align-items:center;max-width:580px;display:flex;position:relative}.search-input{background:var(--bg-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);width:100%;height:40px;color:var(--text-main);transition:var(--transition-fast);padding:0 16px 0 42px;font-size:.9rem}.search-input:focus{border-color:var(--accent-cyan);box-shadow:0 0 0 3px var(--accent-cyan-glow);outline:none}.search-icon{color:var(--text-dim);pointer-events:none;position:absolute;left:14px}.header-actions{align-items:center;gap:12px;display:flex}.btn-upload{background:linear-gradient(135deg, var(--accent-green), var(--accent-green-dark));color:#000;border-radius:var(--radius-xl);cursor:pointer;transition:var(--transition-fast);border:none;align-items:center;gap:8px;padding:8px 18px;font-size:.88rem;font-weight:700;display:flex;box-shadow:0 4px 12px #00e67640}.btn-upload:hover{box-shadow:var(--shadow-green-glow);transform:translateY(-1px)}.icon-btn{background:var(--bg-tertiary);border:1px solid var(--border-subtle);width:38px;height:38px;color:var(--text-muted);cursor:pointer;transition:var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;display:flex;position:relative}.icon-btn:hover{color:var(--text-main);border-color:var(--border-focus)}.notification-badge{background:var(--accent-orange);border-radius:50%;width:8px;height:8px;position:absolute;top:4px;right:4px}.user-profile-btn{border:1px solid var(--border-subtle);border-radius:var(--radius-xl);color:var(--text-main);cursor:pointer;transition:var(--transition-fast);background:0 0;align-items:center;gap:10px;padding:4px 12px 4px 4px;display:flex}.user-profile-btn:hover{border-color:var(--border-focus);background:var(--bg-tertiary)}.user-avatar{background:linear-gradient(135deg,#7928ca,#ff0080);border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:.85rem;font-weight:700;display:flex}.page-view{flex:1;width:100%;max-width:1400px;margin:0 auto;padding:24px}.hero-section{border:1px solid var(--border-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);background:linear-gradient(135deg,#162035e6,#101726f2);grid-template-columns:1.2fr .8fr;align-items:center;gap:40px;margin-bottom:32px;padding:48px;display:grid;position:relative;overflow:hidden}.hero-glow-bg{pointer-events:none;background:radial-gradient(circle,#00f0ff26 0%,#0000 70%);width:400px;height:400px;position:absolute;top:-100px;right:-100px}.hero-badge{color:var(--accent-cyan);border-radius:var(--radius-xl);background:#00f0ff1a;border:1px solid #00f0ff4d;align-items:center;gap:8px;margin-bottom:16px;padding:4px 12px;font-size:.82rem;font-weight:600;display:inline-flex}.hero-title{font-family:var(--font-heading);background:linear-gradient(135deg, #fff 40%, var(--accent-cyan) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:16px;font-size:2.5rem;font-weight:800;line-height:1.2}.hero-desc{color:var(--text-muted);max-width:580px;margin-bottom:28px;font-size:1.05rem}.hero-actions{flex-wrap:wrap;gap:14px;display:flex}.btn-primary{background:linear-gradient(135deg, var(--accent-cyan), #09f);color:#000;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-fast);border:none;align-items:center;gap:8px;padding:12px 24px;font-weight:700;display:flex;box-shadow:0 4px 16px #00f0ff4d}.btn-primary:hover{box-shadow:var(--shadow-glow);transform:translateY(-2px)}.btn-secondary{background:var(--bg-tertiary);border:1px solid var(--border-subtle);color:var(--text-main);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-fast);align-items:center;gap:8px;padding:12px 24px;font-weight:600;display:flex}.btn-secondary:hover{border-color:var(--border-focus);background:#ffffff0d}.device-preview-card{border-radius:var(--radius-lg);background:#000;border:3px solid #2a354c;padding:16px;position:relative;box-shadow:0 20px 50px #000c,0 0 30px #00f0ff26}.device-screen{border-radius:var(--radius-sm);aspect-ratio:3/2;font-family:var(--font-mono);background:#0a0a0c;border:1px solid #1a2233;flex-direction:column;justify-content:space-between;padding:12px;display:flex;position:relative;overflow:hidden}.device-screen-header{color:var(--accent-cyan);border-bottom:1px solid #1f2d47;justify-content:space-between;padding-bottom:6px;font-size:.72rem;display:flex}.device-screen-code{color:var(--accent-green);font-size:.8rem;line-height:1.5}.device-screen-footer{color:var(--text-muted);border-top:1px solid #1f2d47;justify-content:space-between;padding-top:6px;font-size:.72rem;display:flex}.features-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-bottom:40px;display:grid}.feature-card{background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);transition:var(--transition-normal);padding:24px}.feature-card:hover{border-color:var(--border-card);box-shadow:var(--shadow-md);transform:translateY(-3px)}.feature-icon-box{border-radius:var(--radius-md);justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:16px;display:flex}.feature-card h3{font-family:var(--font-heading);margin-bottom:8px;font-size:1.15rem}.feature-card p{color:var(--text-muted);font-size:.9rem;line-height:1.5}.category-filter-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.category-tags{flex-wrap:wrap;gap:8px;display:flex}.category-tag-btn{background:var(--bg-secondary);border:1px solid var(--border-subtle);color:var(--text-muted);border-radius:var(--radius-xl);cursor:pointer;transition:var(--transition-fast);padding:8px 16px;font-size:.88rem;font-weight:500}.category-tag-btn:hover{color:var(--text-main);border-color:var(--border-focus)}.category-tag-btn.active{background:var(--accent-cyan);border-color:var(--accent-cyan);color:#000;box-shadow:0 0 12px var(--accent-cyan-glow);font-weight:700}.sort-select{background:var(--bg-secondary);border:1px solid var(--border-subtle);color:var(--text-main);border-radius:var(--radius-md);cursor:pointer;outline:none;padding:8px 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#00000080}.card-bookmark-btn:hover{color:var(--accent-cyan);background:#00f0ff4d}.card-bookmark-btn.active{background:var(--accent-orange);color:#000}.card-content{flex-direction:column;flex:1;padding:16px;display:flex}.card-title{font-family:var(--font-heading);color:var(--text-main);margin-bottom:8px;font-size:1.05rem;font-weight:700;line-height:1.35}.card-author{color:var(--text-muted);align-items:center;gap:8px;margin-bottom:14px;font-size:.85rem;display:flex}.author-mini-avatar{background:var(--accent-cyan);color:#000;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;font-size:.65rem;font-weight:700;display:flex}.card-footer-metrics{border-top:1px solid var(--border-subtle);color:var(--text-dim);justify-content:space-between;align-items:center;margin-top:auto;padding-top:12px;font-size:.82rem;display:flex}.metric-group{align-items:center;gap:12px;display:flex}.metric-item{align-items:center;gap:4px;display:flex}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background:#000000d9;justify-content:center;align-items:center;padding:24px;animation:.2s fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-container{background:var(--bg-secondary);border:1px solid var(--border-card);border-radius:var(--radius-xl);flex-direction:column;width:100%;max-width:1100px;max-height:90vh;display:flex;overflow:hidden;box-shadow:0 25px 60px #000000e6}.modal-header{border-bottom:1px solid var(--border-subtle);background:var(--bg-tertiary);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.modal-title-box h2{font-family:var(--font-heading);margin-bottom:4px;font-size:1.35rem}.modal-close-btn{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;justify-content:center;align-items:center;padding:8px;display:flex}.modal-close-btn:hover{color:#fff;background:#ffffff1a}.modal-body-2col{flex:1;grid-template-columns:1.4fr 1fr;display:grid;overflow-y:auto}.modal-left-col{border-right:1px solid var(--border-subtle);flex-direction:column;gap:20px;padding:24px;display:flex}.detail-media-player{aspect-ratio:16/10;border-radius:var(--radius-md);border:1px solid var(--border-subtle);background:#000;width:100%;overflow:hidden}.detail-tabs-nav{border-bottom:1px solid var(--border-subtle);gap:8px;padding-bottom:8px;display:flex}.detail-tab-btn{color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-fast);background:0 0;border:none;padding:6px 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var(--border-subtle);color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-fast);align-items:center;gap:7px;padding:7px 14px;font-size:.85rem;font-weight:600;display:flex}.btn-editor-action:hover{background:var(--bg-card);color:var(--text-main);border-color:var(--border-card)}.btn-editor-action.highlight{border-color:var(--accent-cyan);color:var(--accent-cyan);background:#00f0ff1f;font-weight:700}.btn-editor-action.highlight:hover{background:var(--accent-cyan);color:#000;box-shadow:0 0 16px #00f0ff66}.btn-editor-action.active-toggle,.btn-fs-secondary.active-toggle{border-color:var(--accent-cyan);color:var(--accent-cyan);background:#00f0ff2e}.syntax-status-badge{font-size:.76rem;font-weight:700;font-family:var(--font-mono);border-radius:var(--radius-sm);white-space:nowrap;align-items:center;gap:6px;padding:3px 10px;display:flex}.syntax-status-badge.valid{color:var(--accent-green);background:#00e6761f;border:1px solid #00e67659}.syntax-status-badge.error{color:#ff5f56;text-overflow:ellipsis;cursor:help;background:#ff5f5626;border:1px solid #ff5f5673;max-width:320px;overflow:hidden}.editor-suggest-palette-bar{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:#0d121c;flex-direction:column;gap:8px;padding:8px 14px;animation:.2s fadeIn;display:flex}.editor-suggest-palette-bar.fullscreen{background:#0a0f18;border-left:none;border-right:none;border-radius:0;padding:6px 24px}.suggest-category-tabs{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.suggest-title{color:var(--accent-cyan);font-size:.78rem;font-weight:700;font-family:var(--font-mono);margin-right:4px}.suggest-tab{color:var(--text-muted);cursor:pointer;transition:var(--transition-fast);background:0 0;border:1px solid #0000;border-radius:4px;padding:3px 10px;font-size:.75rem;font-weight:600}.suggest-tab:hover{color:var(--text-main);background:#ffffff0d}.suggest-tab.active{color:var(--accent-cyan);background:#00f0ff26;border-color:#00f0ff4d}.suggest-chips-list{align-items:center;gap:8px;padding-bottom:2px;display:flex;overflow-x:auto}.suggest-chips-list::-webkit-scrollbar{height:4px}.suggest-chips-list::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:2px}.suggest-chip-btn{border:1px solid var(--border-subtle);cursor:pointer;white-space:nowrap;background:#141b27;border-radius:4px;flex-shrink:0;align-items:center;gap:6px;padding:4px 10px;transition:all 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#00f0ff33}.btn-ask-ai-send{border-radius:var(--radius-md);background:linear-gradient(135deg, var(--accent-cyan) 0%, #08f 100%);color:#000;cursor:pointer;width:40px;height:40px;transition:var(--transition-fast);border:none;flex-shrink:0;justify-content:center;align-items:center;display:flex}.btn-ask-ai-send:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 0 14px #00f0ff66}.btn-ask-ai-send:disabled{opacity:.5;cursor:not-allowed}