:root{--primary: #6366f1;--primary-glow: rgba(99, 102, 241, .5);--primary-hover: #4f46e5;--bg-dark: #0f172a;--bg-black: #020617;--text-main: #f1f5f9;--text-muted: #94a3b8;--accent-emerald: #10b981;--glass: rgba(15, 23, 42, .4);--glass-border: rgba(255, 255, 255, .08);--glass-heavy: rgba(2, 6, 23, .75);--sidebar-width: 320px;--header-height: 64px;--aura-glow: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, .15), transparent 70%)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,system-ui,sans-serif;background-color:var(--bg-black);background-image:radial-gradient(at 0% 0%,hsla(253,16%,7%,1) 0,transparent 50%),radial-gradient(at 50% 0%,hsla(225,39%,30%,.15) 0,transparent 50%),radial-gradient(at 100% 0%,hsla(339,49%,30%,.1) 0,transparent 50%);color:var(--text-main);overflow:hidden;height:100vh}#root{height:100%;position:relative;z-index:1}.aura-bg-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none;background:radial-gradient(circle at 20% 30%,rgba(99,102,241,.05) 0%,transparent 40%),radial-gradient(circle at 80% 70%,rgba(139,92,246,.05) 0%,transparent 40%);opacity:.8}.app-container{display:flex;height:100vh;width:100vw;background-color:var(--bg-black)}.sidebar{width:var(--sidebar-width);border-right:1px solid var(--glass-border);display:flex;flex-direction:column;background:var(--glass-heavy);backdrop-filter:blur(40px) saturate(180%);-webkit-backdrop-filter:blur(40px) saturate(180%)}.main-content{flex:1;display:flex;flex-direction:column;min-width:0}.app-header{height:var(--header-height);border-bottom:1px solid var(--glass-border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:#0f172a80;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.logo-container{padding:24px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--glass-border)}.logo-icon{padding:8px;background:var(--primary);border-radius:10px;display:flex;align-items:center;justify-content:center}.logo-text{font-size:1.25rem;font-weight:800;letter-spacing:-.025em;background:linear-gradient(to right,#fff,#94a3b8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.sidebar-nav{flex:1;display:flex;flex-direction:column;overflow:hidden}.nav-tabs{display:flex;gap:8px;padding:16px}.nav-tab-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;border-radius:8px;background:transparent;border:1px solid transparent;color:var(--text-muted);font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s ease}.nav-tab-btn.active{background:#6366f11a;color:var(--primary);border-color:#6366f133}.nav-tab-btn:hover:not(.active){background:var(--glass);color:#fff}.accordion-container{flex:1;overflow-y:auto;display:flex;flex-direction:column}.accordion-item{border-bottom:1px solid var(--glass-border)}.accordion-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:transparent;border:none;width:100%;color:var(--text-main);font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s ease}.accordion-header:hover{background:var(--glass)}.accordion-header.active{background:#6366f11a;color:var(--primary);border-left:3px solid var(--primary)}.accordion-title-container{display:flex;align-items:center;gap:12px}.accordion-icon-wrap{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:6px;background:#ffffff0d;color:var(--text-muted)}.accordion-header.active .accordion-icon-wrap{background:var(--primary);color:#fff}.accordion-chevron{transition:transform .3s cubic-bezier(.4,0,.2,1);color:var(--text-muted)}.accordion-header.active .accordion-chevron{transform:rotate(180deg);color:var(--primary)}.accordion-body{overflow:hidden;background:#0003}.accordion-content{padding:16px;display:flex;flex-direction:column;gap:12px}.template-list{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.search-box{padding:0 16px 16px;position:relative}.search-input{width:100%;background:var(--glass);border:1px solid var(--glass-border);border-radius:8px;padding:10px 12px 10px 36px;color:#fff;font-size:.875rem;outline:none;transition:border-color .2s}.search-input:focus{border-color:var(--primary)}.search-icon{position:absolute;left:28px;top:12px;color:var(--text-muted)}.template-card{text-align:left;padding:16px;background:var(--glass);border:1px solid var(--glass-border);border-radius:12px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1)}.template-card:hover{transform:translateY(-2px);background:#ffffff0f;border-color:var(--primary)}.template-card h4{font-size:.875rem;font-weight:700;color:#fff;margin-bottom:4px}.template-card p{font-size:.75rem;color:var(--text-muted);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.split-pane{flex:1;display:flex;min-height:0}.pane{flex:1;display:flex;flex-direction:column;min-width:0}.pane-header{height:40px;background:#0f172acc;border-bottom:1px solid var(--glass-border);display:flex;align-items:center;padding:0 16px;gap:8px}.pane-label{font-size:.65rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted)}.editor-layout{flex:1;display:flex;min-height:0;position:relative}.editor-container{flex:1;background:var(--bg-black);min-width:0}.preview-scroll-area{flex:1;overflow:auto;background:var(--bg-dark);padding:24px;display:flex;justify-content:center}.preview-container{height:100%;transition:width .4s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}.preview-frame-wrapper{width:100%;height:100%;background:#fff;border-radius:16px;box-shadow:0 25px 50px -12px #00000080;overflow:hidden;border:1px solid var(--glass-border)}.sidebar-footer{padding:16px;border-top:1px solid var(--glass-border);display:flex;flex-direction:column;gap:8px}.footer-btn{width:100%;display:flex;align-items:center;gap:12px;padding:12px;border-radius:12px;background:transparent;border:none;color:var(--text-muted);font-size:.875rem;cursor:pointer;transition:all .2s}.footer-btn:hover{background:var(--glass);color:#fff}.primary-btn{background:var(--primary);color:#fff;padding:10px 20px;border-radius:10px;font-weight:600;font-size:.875rem;border:none;cursor:pointer;display:flex;align-items:center;gap:8px;box-shadow:0 10px 15px -3px #6366f166;transition:all .2s}.primary-btn:hover{background:var(--primary-hover);transform:translateY(-1px)}.secondary-btn{background:var(--glass);color:#fff;padding:10px 20px;border-radius:10px;font-weight:600;font-size:.875rem;border:1px solid var(--glass-border);cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .2s}.secondary-btn:hover{background:#ffffff14}.header-btn-group{display:flex;background:var(--glass);border:1px solid var(--glass-border);border-radius:10px;padding:2px}.header-btn-group .secondary-btn{background:transparent;border:none;padding:8px 12px;box-shadow:none}.header-btn-group .secondary-btn:hover{background:#ffffff0d}.viewport-toggles{display:flex;gap:4px;background:#0003;padding:3px;border-radius:6px;margin-left:auto}.view-btn{background:transparent;border:none;color:var(--text-muted);width:28px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:4px;cursor:pointer;transition:all .2s}.view-btn:hover{color:#fff;background:#ffffff0d}.view-btn.active{color:var(--accent-emerald);background:#10b9811a}.pane-tool-btn{background:transparent;border:none;color:var(--text-muted);width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:4px;cursor:pointer;transition:all .2s}.pane-tool-btn:hover{color:#fff;background:var(--glass)}.pane-tool-btn.active{color:var(--primary);background:#6366f11a}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal-content{width:100%;max-width:500px;background:var(--bg-dark);border:1px solid var(--glass-border);border-radius:20px;box-shadow:0 25px 50px -12px #00000080;overflow:hidden}.modal-header{padding:16px 24px;border-bottom:1px solid var(--glass-border);display:flex;justify-content:space-between;align-items:center;background:var(--glass)}.modal-body{padding:24px}.modal-close{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:6px}.modal-close:hover{background:var(--glass);color:#fff}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--glass-border);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.explain-panel{width:280px;background:#0f172af2;border-left:1px solid var(--glass-border);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);display:flex;flex-direction:column;z-index:10}.explain-header{padding:12px 16px;border-bottom:1px solid var(--glass-border);display:flex;align-items:center;justify-content:space-between;background:#ffffff05}.explain-body{padding:16px;overflow-y:auto;display:flex;flex-direction:column;gap:12px}.concept-card{padding:12px;background:#ffffff08;border:1px solid var(--glass-border);border-radius:10px}.concept-header{display:flex;align-items:center;gap:8px;margin-bottom:6px}.concept-icon{color:var(--primary);display:flex}.concept-title{font-size:12px;font-weight:700;color:#fff}.concept-desc{font-size:11px;color:var(--text-muted);line-height:1.5}.text-primary{color:var(--primary)}.style-tuner,.tuner-item{display:flex;flex-direction:column}.tuner-slider{-webkit-appearance:none;width:100%;height:4px;background:var(--glass-border);border-radius:2px;outline:none}.tuner-slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;background:#fff;border:2px solid var(--primary);border-radius:50%;cursor:pointer;box-shadow:0 0 10px #6366f166}.color-swatch-btn:hover{transform:scale(1.1);box-shadow:0 0 15px #fff3}.challenge-box{margin-top:12px;padding:10px;background:#10b9810d;border:1px solid rgba(16,185,129,.2);border-radius:8px}.challenge-label{display:flex;align-items:center;gap:4px;font-size:10px;font-weight:800;color:var(--accent-emerald);text-transform:uppercase;margin-bottom:4px}.challenge-text{font-size:10px;color:#fff;line-height:1.4;font-style:italic}.ai-studio-container{display:flex;flex-direction:column}.sparkle-icon{background:#6366f133;border:1px solid var(--primary);border-radius:6px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;box-shadow:0 0 15px #6366f14d}.prompt-textarea-wrap{position:relative;width:100%}.prompt-textarea{width:100%;min-height:120px;background:var(--glass);border:1px solid var(--glass-border);border-radius:16px;padding:16px;color:#fff;font-size:13px;line-height:1.5;resize:none;outline:none;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:inset 0 2px 4px #0000001a}.prompt-textarea:focus{border-color:var(--primary);background:#ffffff0d;box-shadow:0 0 20px #6366f126}.ai-generate-btn{position:absolute;right:12px;bottom:12px;width:36px;height:36px;background:var(--primary);border:none;border-radius:10px;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;box-shadow:0 4px 12px #6366f166}.ai-generate-btn:hover{background:var(--primary-hover);transform:translateY(-1px) scale(1.05)}.ai-generate-btn:disabled{background:var(--glass-border);color:var(--text-muted);cursor:not-allowed;box-shadow:none}.suggestion-chip{padding:6px 12px;background:var(--glass);border:1px solid var(--glass-border);border-radius:20px;color:var(--text-muted);font-size:10px;font-weight:600;cursor:pointer;transition:all .2s;display:flex;align-items:center}.suggestion-chip:hover{background:#6366f11a;color:var(--primary);border-color:#6366f14d}.generating-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#020617d9;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:1000}.magic-ring{width:80px;height:80px;border-radius:50%;border:4px solid transparent;border-top-color:var(--primary);border-bottom-color:var(--accent-emerald);animation:magic-spin 1.5s linear infinite}@keyframes magic-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.generating-text{margin-top:24px;display:flex;align-items:center;gap:12px;font-weight:700;color:#fff;letter-spacing:.05em;text-transform:uppercase;font-size:14px}.magic-sparkle{color:var(--primary);animation:sparkle-shimmer 1s ease-in-out infinite alternate}@keyframes sparkle-shimmer{0%{transform:scale(1);filter:drop-shadow(0 0 5px var(--primary))}to{transform:scale(1.3);filter:drop-shadow(0 0 15px var(--primary))}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin{animation:spin 1s linear infinite}.spinner-mini{width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}