@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800;900&display=swap";:root{--font-body: "Inter", system-ui, -apple-system, sans-serif;--font-heading: "Outfit", system-ui, -apple-system, sans-serif;--color-primary: #6366f1;--color-primary-dark: #4f46e5;--color-primary-light: #818cf8;--color-secondary: #ec4899;--color-accent: #14b8a6;--gradient-primary: linear-gradient(90deg, #00dbde 0%, #fc00ff 100%);--gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);--gradient-hero: linear-gradient(135deg, #00dbde 0%, #fc00ff 100%);--gradient-text-contrast: linear-gradient(135deg, #00dbde 0%, #fc00ff 100%);--gradient-popku: linear-gradient(135deg, #FFD700 0%, #4CAF50 100%);--gradient-yellow-green-light: linear-gradient(135deg, rgba(255, 215, 0, .15) 0%, rgba(76, 175, 80, .15) 100%);--gradient-primary: var(--gradient-popku);--gradient-hero: var(--gradient-yellow-green-light);--color-white: #ffffff;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-400: #9ca3af;--color-gray-500: #6b7280;--color-gray-600: #4b5563;--color-gray-700: #374151;--color-gray-800: #1f2937;--color-gray-900: #111827;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-glow: 0 0 20px rgba(99, 102, 241, .3);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--transition-fast: .15s ease-in-out;--transition-base: .25s ease-in-out;--transition-slow: .35s ease-in-out;--glass-bg: var(--popku-yellow);--glass-border: rgba(255, 255, 255, .5);--glass-blur: 10px;--popku-yellow: rgba(255, 215, 0, .15);--popku-yellow-shadow: rgba(255, 215, 0, .6);--popku-border: 2px solid #1f2937;--popku-card-shadow: 6px 6px 0px 0px var(--popku-yellow-shadow)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-body);font-weight:400;line-height:1.6;color:var(--color-gray-900);background-color:var(--color-white);background-image:var(--gradient-hero);min-width:320px;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{width:100%;min-height:100vh}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.2;color:var(--color-gray-900)}h1{font-size:clamp(2.5rem,5vw,4rem);font-weight:900}h2{font-size:clamp(2rem,4vw,3rem);font-weight:800}h3{font-size:clamp(1.5rem,3vw,2rem);font-weight:700}p{font-size:1rem;line-height:1.7;color:var(--color-gray-600)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}button{font-family:var(--font-body);font-weight:600;cursor:pointer;border:none;outline:none;transition:all var(--transition-base)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:var(--radius-lg);font-size:1rem;font-weight:600;text-align:center;transition:all var(--transition-base);cursor:pointer;border:none}.btn-primary{background:var(--gradient-primary);color:var(--color-white);box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-xl),var(--shadow-glow)}.btn-secondary{background:var(--color-white);color:#ffc107;border:2px solid;border-image:var(--gradient-popku) 1;border:double 2px transparent;background-image:linear-gradient(#fff,#fff),var(--gradient-popku);background-origin:border-box;background-clip:padding-box,border-box}.btn-secondary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.glass{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);box-shadow:var(--shadow-xl)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.animate-fade-in{animation:fadeIn .6s ease-out forwards}.animate-slide-in-left{animation:slideInLeft .6s ease-out forwards}.animate-slide-in-right{animation:slideInRight .6s ease-out forwards}.animate-float{animation:float 3s ease-in-out infinite}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--space-lg)}.text-center{text-align:center}.modal-overlay{position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .3s ease-out}.popku-modal{background:linear-gradient(0deg,var(--popku-yellow),var(--popku-yellow)),var(--color-white);padding:0;border-radius:var(--radius-xl);width:90%;max-width:600px;box-shadow:var(--popku-card-shadow);border:var(--popku-border);overflow:hidden;animation:slideInUp .3s ease-out}.modal-header-section{background:transparent;padding:var(--space-xl) var(--space-xl) 0;border-bottom:none;text-align:left}.modal-header-section h3{margin-bottom:var(--space-xs);color:var(--color-gray-900);font-size:1.5rem;font-weight:700}.modal-header-section p{color:var(--color-text-muted);margin:0;font-weight:400}.modal-body-section{padding:var(--space-xl)}.modal-actions{display:flex;justify-content:flex-end;gap:var(--space-md)}.input-popku{width:100%;padding:var(--space-md);border:2px solid var(--color-gray-200);border-radius:var(--radius-lg);background-color:var(--color-white);box-shadow:none;margin:0 0 var(--space-xl) 0;font-family:var(--font-body);font-size:1rem;resize:vertical;transition:all .2s;outline:none}.input-popku:focus{border-color:var(--color-gray-400);background-color:var(--color-white);box-shadow:0 0 0 3px #0000000d}.verification-code-input{text-align:center;font-size:1.5rem;letter-spacing:.5rem;font-weight:600}.gradient-text{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.landing{width:100%;min-height:100vh}.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:var(--space-2xl) 0}.hero-background{position:absolute;inset:0;background:var(--gradient-hero);z-index:-1}.hero-background:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 50%,rgba(255,215,0,.2) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(76,175,80,.2) 0%,transparent 50%);animation:pulse 8s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.5}50%{opacity:1}}.hero-content{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3xl);align-items:center;z-index:1}.hero-text h1{font-size:clamp(3rem,6vw,5rem);line-height:1.1;margin-bottom:var(--space-lg);color:var(--color-gray-900)}.hero-subtitle{font-size:1.25rem;color:var(--color-gray-700);margin-bottom:var(--space-xl);max-width:600px;line-height:1.8}.hero-buttons{display:flex;gap:var(--space-md);flex-wrap:wrap}.hero .btn-primary{box-shadow:var(--shadow-lg)}.hero-visual{display:flex;justify-content:center;align-items:center}.visual-card{padding:var(--space-2xl);border-radius:var(--radius-xl);text-align:center;min-width:250px}.visual-icon{font-size:5rem;margin-bottom:var(--space-md)}.visual-icon-img{width:150px;height:150px;object-fit:contain;margin-bottom:var(--space-md);filter:drop-shadow(0 4px 12px rgba(0,0,0,.2));border-radius:50%}.visual-text{font-size:1.5rem;font-weight:600;color:var(--color-gray-900)}.hero .gradient-text{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:none}.features{padding:var(--space-3xl) 0;background:var(--color-gray-50)}.section-title{margin-bottom:var(--space-3xl);font-size:clamp(2rem,4vw,3rem)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--space-2xl)}.feature-card{background:var(--color-white);padding:var(--space-2xl);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);transition:all var(--transition-base);border:1px solid var(--color-gray-200)}.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl);border-color:var(--color-primary-light)}.feature-icon{font-size:3rem;margin-bottom:var(--space-lg)}.feature-card h3{margin-bottom:var(--space-md);color:var(--color-gray-900)}.feature-card p{color:var(--color-gray-600);line-height:1.7}.how-it-works{padding:var(--space-3xl) 0;background:var(--color-white)}.steps{display:flex;justify-content:space-between;align-items:center;gap:var(--space-lg);margin-top:var(--space-2xl)}.step{flex:1;text-align:center;padding:var(--space-xl);background:var(--color-white);border-radius:var(--radius-xl);transition:all var(--transition-base);border:1px solid var(--color-gray-200);box-shadow:var(--shadow-sm)}.step:hover{background:var(--color-white);box-shadow:var(--shadow-lg);transform:scale(1.05);border-color:var(--color-primary-light)}.step-number{width:60px;height:60px;margin:0 auto var(--space-lg);background:var(--gradient-primary);color:var(--color-white);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;box-shadow:var(--shadow-md)}.step h3{margin-bottom:var(--space-sm);font-size:1.25rem}.step p{color:var(--color-gray-600);font-size:.95rem}.step-arrow{font-size:2rem;color:var(--color-primary);font-weight:700}.cta{padding:var(--space-3xl) 0;background:var(--gradient-hero)}.cta-content{text-align:center;padding:var(--space-3xl);border-radius:var(--radius-xl);background:var(--popku-yellow);color:var(--color-gray-900);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);box-shadow:var(--shadow-xl)}.cta-content h2{color:var(--color-gray-900);margin-bottom:var(--space-md)}.cta-content p{color:var(--color-gray-700);font-size:1.25rem;margin-bottom:var(--space-2xl)}.cta .btn-primary{box-shadow:var(--shadow-lg)}.footer{background:var(--color-gray-900);padding:var(--space-2xl) 0;text-align:center}.footer p{color:var(--color-gray-400);margin:0}@media(max-width:968px){.hero-content{grid-template-columns:1fr;text-align:center}.hero-buttons{justify-content:center}.steps{flex-direction:column}.step-arrow{transform:rotate(90deg)}}@media(max-width:640px){.hero{min-height:auto;padding:var(--space-3xl) 0}.hero-subtitle{font-size:1rem}.features-grid{grid-template-columns:1fr}.visual-card{min-width:200px;padding:var(--space-xl)}.visual-icon{font-size:3rem}.visual-text{font-size:1.25rem}}.auth-page{width:100%;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-lg);position:relative;background-color:var(--color-background)}.auth-background{position:fixed;top:0;left:0;width:100%;height:100%;background:var(--gradient-hero);z-index:0}.auth-background:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 30%,rgba(255,215,0,.2) 0%,transparent 50%),radial-gradient(circle at 70% 70%,rgba(76,175,80,.2) 0%,transparent 50%);animation:pulse 6s ease-in-out infinite}.back-home{position:absolute;top:var(--space-xl);left:var(--space-xl);background:#ffffff80;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--color-gray-900);padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-full);border:1px solid rgba(0,0,0,.1);font-weight:600;cursor:pointer;transition:all var(--transition-base);z-index:10}.back-home:hover{background:#fffc;transform:translate(-4px);box-shadow:var(--shadow-md)}.auth-container{position:relative;width:100%;max-width:480px;z-index:1}.auth-card{padding:var(--space-2xl);border-radius:var(--radius-xl);animation:fadeIn .6s ease-out;position:relative;z-index:1;background:#fffc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.5);box-shadow:var(--shadow-xl)}.auth-header{text-align:center;margin-bottom:var(--space-2xl)}.auth-icon{font-size:4rem;margin-bottom:var(--space-md);animation:float 3s ease-in-out infinite}.auth-icon-img{width:100px;height:100px;object-fit:contain;margin-bottom:var(--space-md);animation:float 3s ease-in-out infinite;filter:drop-shadow(0 4px 12px rgba(0,0,0,.1));border-radius:50%}.auth-header h2{color:var(--color-text);margin-bottom:var(--space-sm);font-size:2rem}.auth-subtitle{color:var(--color-gray-500);font-size:1rem;line-height:1.6}.auth-form,.form-group{margin-bottom:var(--space-lg)}.form-group label{display:block;margin-bottom:var(--space-sm);color:var(--color-gray-900);font-weight:500;display:flex;align-items:center;gap:var(--space-sm);font-size:.95rem}.label-icon{font-size:1.2rem}.form-input{width:100%;padding:var(--space-md);background:var(--color-white);border:1px solid var(--color-gray-300);border-radius:var(--radius-lg);color:var(--color-gray-900);font-size:1rem;font-family:var(--font-body);transition:all var(--transition-base)}.form-input::placeholder{color:var(--color-gray-400)}.form-input:focus{outline:none;border-color:var(--color-primary);background:var(--color-white);box-shadow:0 0 0 4px #6366f11a}.btn-full{width:100%;padding:var(--space-md) var(--space-lg);font-size:1.1rem;margin-top:var(--space-md)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-primary:disabled:hover{transform:none;box-shadow:var(--shadow-md)}.btn-primary:disabled:before{background:var(--color-white)}.auth-divider{position:relative;text-align:center;margin:var(--space-xl) 0}.auth-divider:before{content:"";position:absolute;top:50%;left:0;right:0;height:1px;background:#fff3}.auth-divider span{position:relative;background:transparent;padding:0 var(--space-md);color:#fffc;font-size:.9rem;font-weight:500}.btn-switch{width:100%;padding:var(--space-md);background:transparent;color:#ffc107;border:2px solid;border-image:var(--gradient-popku) 1;border:double 2px transparent;background-image:linear-gradient(#fff,#fff),var(--gradient-popku);background-origin:border-box;background-clip:padding-box,border-box;border-radius:var(--radius-lg);font-weight:600;cursor:pointer;transition:all var(--transition-base)}.btn-switch:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.floating-shape{position:absolute;border-radius:50%;background:linear-gradient(135deg,#6366f11a,#8b5cf61a);backdrop-filter:blur(40px);-webkit-backdrop-filter:blur(40px);border:1px solid rgba(255,255,255,.5);box-shadow:0 8px 32px #0000000d;z-index:0}.shape-1{width:300px;height:300px;top:-100px;right:-100px;animation:float 8s ease-in-out infinite}.shape-2{width:200px;height:200px;bottom:-50px;left:-50px;animation:float 6s ease-in-out infinite reverse}.shape-3{width:150px;height:150px;top:50%;right:-75px;animation:float 7s ease-in-out infinite;animation-delay:1s}@media(max-width:640px){.auth-page{padding:var(--space-md)}.back-home{top:var(--space-md);left:var(--space-md);padding:var(--space-xs) var(--space-md);font-size:.9rem}.auth-card{padding:var(--space-xl)}.auth-icon{font-size:3rem}.auth-header h2{font-size:1.75rem}.auth-subtitle{font-size:.9rem}.floating-shape{display:none}}.toast{position:fixed;top:20px;right:20px;min-width:300px;padding:16px;border-radius:12px;display:flex;align-items:center;gap:12px;background:#ffffffe6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 32px #0000001a;z-index:1000;transform:translate(120%);transition:transform .3s cubic-bezier(.68,-.55,.27,1.55);border:1px solid rgba(255,255,255,.5)}.toast.show{transform:translate(0)}.toast.hide{transform:translate(120%)}.toast-success{border-left:4px solid #10b981}.toast-error{border-left:4px solid #ef4444}.toast-info{border-left:4px solid #3b82f6}.toast-icon{font-size:1.2rem}.toast-message{flex:1;color:#1f2937;font-size:.95rem;font-weight:500}.toast-close{background:none;border:none;color:#9ca3af;font-size:1.5rem;cursor:pointer;padding:0;line-height:1;transition:color .2s}.toast-close:hover{color:#4b5563}@media(prefers-color-scheme:dark){.toast{background:#1e293be6;border-color:#ffffff1a}.toast-message{color:#f3f4f6}}.dashboard-container{padding:var(--space-2xl) var(--space-lg);max-width:1600px;margin:0 auto;min-height:100vh}.dashboard-header{margin-bottom:var(--space-2xl);text-align:center}.dashboard-header h1{font-size:2.5rem;color:var(--color-text);margin:0}.dashboard-header p{color:var(--color-text-muted);font-size:1.1rem}.category-section{margin-bottom:48px}.category-title{font-size:1.8rem;color:var(--color-text);margin-bottom:24px;padding-left:16px;border-left:6px solid var(--popku-yellow);display:flex;align-items:center;gap:12px}.problems-grid{display:grid;grid-template-columns:repeat(1,1fr);gap:var(--space-xl)}@media(min-width:768px){.problems-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.problems-grid{grid-template-columns:repeat(3,1fr)}}.problem-card{background:var(--color-white);border:var(--popku-border);border-radius:var(--radius-xl);padding:var(--space-xl);transition:all var(--transition-base);cursor:pointer;display:flex;flex-direction:column;height:100%;position:relative;overflow:hidden;box-shadow:var(--popku-card-shadow)}.problem-card:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 0 var(--popku-yellow-shadow);border-color:var(--color-gray-900)}.problem-card h3{font-size:1.5rem;color:var(--color-text);margin-bottom:var(--space-sm);line-height:1.3;padding-right:80px}.problem-card p{color:var(--color-text-muted);font-size:1rem;line-height:1.6;margin-bottom:var(--space-lg);flex-grow:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md);padding-top:var(--space-sm);border-top:1px solid var(--color-gray-100)}.user-info-small{display:flex;align-items:center;gap:6px;font-size:.9rem;color:var(--color-text-muted)}.user-avatar{font-size:1rem}.interaction-stats{display:flex;gap:8px;font-size:.85rem;color:var(--color-text-muted)}.stat-item{display:flex;align-items:center;gap:4px}.stat-btn{background:transparent;border:none;cursor:pointer;display:flex;align-items:center;gap:4px;font-size:.85rem;color:var(--color-text-muted);padding:4px 8px;border-radius:4px;transition:all .2s}.stat-btn:hover{background-color:var(--color-gray-100);color:var(--color-text)}.stat-btn:active{transform:scale(.95)}.status-badge-corner{position:absolute;top:var(--space-xl);right:var(--space-xl);padding:6px 16px;border-radius:20px;font-size:.85rem;font-weight:600;color:#fff;box-shadow:0 2px 4px #0000001a;z-index:2;letter-spacing:.5px}.status-pending{background:linear-gradient(135deg,#9ca3af,#6b7280)}.status-solving{background:linear-gradient(135deg,gold,#ffa000)}.status-solved{background:linear-gradient(135deg,#66bb6a,#4caf50)}.status-failed{background:linear-gradient(135deg,#f87171,#ef4444)}.show-more-btn-container{margin-top:24px;display:flex;justify-content:flex-start}.btn-show-more{background:var(--color-white);border:2px solid var(--popku-yellow);padding:10px 24px;border-radius:30px;font-weight:600;color:var(--color-text);cursor:pointer;transition:all .2s;box-shadow:4px 4px 0 var(--popku-yellow-shadow)}.btn-show-more:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--popku-yellow-shadow)}.app-navbar{background-color:var(--popku-yellow);padding:var(--space-md) var(--space-xl);border-radius:var(--radius-xl);display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-2xl);box-shadow:var(--popku-card-shadow);border:var(--popku-border)}.nav-brand h1{font-size:1.5rem;margin:0;color:var(--color-gray-900)}.nav-actions{display:flex;gap:var(--space-md);align-items:center}.btn-creative{background:var(--gradient-popku);color:var(--color-white);border:none;box-shadow:var(--shadow-md);display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s}.btn-icon{width:24px;height:24px;object-fit:contain}.btn-creative:hover{background:var(--gradient-popku);color:var(--color-white);transform:translateY(-2px);box-shadow:var(--shadow-xl),var(--shadow-glow)}.btn-text{background:transparent;color:var(--color-gray-900);padding:.5rem 1rem;font-weight:600;border:none;cursor:pointer;border-radius:6px;transition:background-color .2s}.btn-text:hover{background:#0000000d}.layout-container{display:flex;flex-direction:column;width:100%;height:100vh;background-color:transparent;overflow:hidden;padding:8px}.main-content{flex:1;display:flex;margin:0;background-color:transparent;gap:8px;overflow:hidden;height:auto}.chat-panel{width:380px;background-color:var(--color-white);border-radius:var(--radius-xl);display:flex;flex-direction:column;box-shadow:var(--popku-card-shadow);border:var(--popku-border);transition:all var(--transition-base);margin-bottom:16px}.chat-header{padding:12px 16px;border-bottom:1px solid var(--color-gray-200);display:flex;align-items:center;justify-content:space-between;height:57px}.chat-title-group{display:flex;align-items:center;gap:8px}.ai-icon{width:24px;height:24px;background-color:#d1fae5;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px}.chat-header h2{font-size:16px;font-weight:600;margin:0;color:var(--color-gray-900)}.chat-messages{flex:1;overflow-y:auto;padding:var(--space-md);display:flex;flex-direction:column;gap:16px;background-color:var(--color-gray-50)}.message{max-width:90%;padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.5}.message.ai{align-self:flex-start;background-color:var(--color-white);border:1px solid var(--color-gray-200);color:var(--color-gray-700);border-bottom-left-radius:2px}.message.user{align-self:flex-end;background:var(--gradient-popku);color:#fff;border-bottom-right-radius:2px;box-shadow:var(--shadow-sm)}.chat-input-area{padding:12px;border-top:1px solid var(--color-gray-200);background-color:var(--color-white);border-radius:0 0 var(--radius-xl) var(--radius-xl)}.chat-input-wrapper{background-color:var(--color-gray-50);border:2px solid var(--color-gray-200);border-radius:var(--radius-lg);padding:8px;display:flex;flex-direction:column;gap:8px;transition:all .2s}.chat-input-wrapper:focus-within{background-color:var(--color-white);border-color:var(--color-gray-400);box-shadow:0 0 0 2px #0000000d}.creative-input{border:none;background:transparent;width:100%;font-size:14px;outline:none;color:var(--color-gray-700);min-height:20px;font-family:var(--font-body)}.input-actions{display:flex;justify-content:space-between;align-items:center}.icon-btn-back{background:none;border:none;cursor:pointer;font-size:24px;color:var(--color-gray-500);padding:8px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .2s;margin-right:8px;width:40px;height:40px}.icon-btn-back:hover{background-color:var(--color-gray-200);color:var(--color-gray-900)}.icon-btn{background:none;border:none;cursor:pointer;font-size:16px;color:var(--color-gray-400);padding:4px;border-radius:4px}.icon-btn:hover{color:var(--color-gray-600);background-color:var(--color-gray-100)}.send-btn-icon{width:28px;height:28px;border-radius:6px;background:var(--gradient-popku);color:#fff;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px;transition:transform .2s}.send-btn-icon:hover{transform:scale(1.05)}.send-btn-icon:disabled{opacity:.5;cursor:not-allowed}.preview-panel{flex:1;background-color:var(--color-white);border-radius:var(--radius-xl);display:flex;flex-direction:column;box-shadow:8px 8px 0 0 var(--popku-yellow-shadow);border:var(--popku-border);overflow:hidden;margin-right:16px;margin-bottom:16px}.preview-header{padding:12px 16px;border-bottom:1px solid var(--color-gray-200);display:flex;align-items:center;justify-content:space-between}.preview-title{display:flex;align-items:center;gap:12px}.preview-title h3{font-size:14px;font-weight:500;margin:0;color:#374151}.generating-badge{background-color:#fef3c7;color:#d97706;font-size:11px;padding:2px 6px;border-radius:4px}.close-btn{background:none;border:none;font-size:20px;color:#9ca3af;cursor:pointer;line-height:1}.preview-body{flex:1;position:relative;background-color:#fff}.generated-iframe{width:100%;height:100%;border:none}.placeholder-content{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:#9ca3af;gap:12px}.folder-icon{font-size:48px;opacity:.5}.message.typing{animation:pulse 1s ease-in-out infinite;color:#9ca3af;font-style:italic}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.credits-badge-small{display:flex;align-items:center;gap:4px;background:linear-gradient(135deg,#fff7ed,#ffedd5);padding:4px 12px;border-radius:20px;font-size:13px;font-weight:600;color:#c2410c;border:1px solid #FED7AA;box-shadow:0 1px 2px #ea580c1a;line-height:1}.profile-container{padding:var(--space-2xl) var(--space-lg);max-width:1600px;margin:0 auto;min-height:100vh}.profile-header{background:var(--color-white);border:var(--popku-border);border-radius:var(--radius-xl);padding:var(--space-xl);margin-bottom:var(--space-2xl);box-shadow:var(--popku-card-shadow);display:flex;justify-content:space-between;align-items:center}.user-info h2{font-size:1.5rem;margin-bottom:var(--space-sm);color:var(--color-text)}.user-info p{color:var(--color-text-muted);font-size:1.1rem}.token-info{display:flex;align-items:center;gap:4px;background:linear-gradient(135deg,#fff7ed,#ffedd5);padding:6px 12px;border-radius:20px;font-size:13px;font-weight:600;color:#c2410c;border:1px solid #FED7AA;box-shadow:0 1px 2px #ea580c1a}.diamond-icon{font-size:14px}.token-count{font-size:13px;font-weight:600;color:#c2410c}.section-title{font-size:1.5rem;margin-bottom:var(--space-lg);margin-top:64px;padding-left:var(--space-md);border-left:4px solid var(--popku-yellow-shadow)}.empty-state{text-align:center;padding:var(--space-2xl);color:var(--color-text-muted);font-size:1.1rem;background:var(--color-white);border-radius:var(--radius-lg);border:2px dashed var(--color-gray-200)}