.welcome-screen{position:relative;width:100%;height:100vh;overflow:hidden;background:var(--color-background)}.planet-background{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0}.planet-iframe{width:100%;height:100%;border:none;opacity:.8}.welcome-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#0a0a0f80,#0a0a0fcc,#0a0a0fe6)}.welcome-content{max-width:600px;padding:var(--spacing-4xl) var(--spacing-xl);display:flex;flex-direction:column;align-items:center;gap:var(--spacing-3xl);text-align:center;animation:fadeInUp .8s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.welcome-icon{animation:pulseGlow 3s ease-in-out infinite}@keyframes pulseGlow{0%,to{opacity:1;transform:scale(1);filter:drop-shadow(0 0 20px rgba(139,92,246,.5))}50%{opacity:.8;transform:scale(1.05);filter:drop-shadow(0 0 30px 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var(--spacing-4xl);background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));border:none;border-radius:var(--radius-full);color:#fff;font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--duration-base) var(--easing-ease-out);box-shadow:0 8px 24px #8b5cf666,0 0 0 1px #ffffff1a inset;animation:bounceIn 1s ease-out .5s both}@keyframes bounceIn{0%{opacity:0;transform:scale(.8)}50%{transform:scale(1.05)}to{opacity:1;transform:scale(1)}}.btn-welcome:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 12px 32px #8b5cf699,0 0 0 1px #fff3 inset}.btn-welcome:active{transform:translateY(-2px) scale(1.02)}.welcome-features{display:flex;gap:var(--spacing-2xl);padding-top:var(--spacing-xl);animation:fadeIn 1s ease-out .8s both}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.feature-item{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs)}.feature-icon{font-size:var(--font-size-2xl)}.feature-text{font-size:var(--font-size-sm);color:var(--color-text-tertiary);font-weight:var(--font-weight-medium)}@media(max-width:768px){.welcome-content{padding:var(--spacing-3xl) var(--spacing-base)}.welcome-title{font-size:var(--font-size-3xl)}.welcome-subtitle{font-size:var(--font-size-base)}.welcome-features{gap:var(--spacing-lg)}}@media(max-width:640px){.welcome-title{font-size:var(--font-size-2xl)}.welcome-subtitle br{display:none}.welcome-features{flex-wrap:wrap;justify-content:center}.feature-item{flex-basis:calc(50% - var(--spacing-base))}}.auth-screen{position:relative;width:100%;min-height:100vh;overflow-y:auto;background:var(--color-background)}.planet-background{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0}.planet-iframe{width:100%;height:100%;border:none;opacity:.7}.auth-overlay{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--spacing-xl);background:linear-gradient(180deg,#0a0a0fb3,#0a0a0fe6)}.auth-card{width:100%;max-width:450px;background:var(--color-glass-dark);backdrop-filter:blur(40px);-webkit-backdrop-filter:blur(40px);border:1px solid var(--color-glass-border);border-radius:var(--radius-2xl);padding:var(--spacing-4xl) var(--spacing-3xl);box-shadow:var(--shadow-2xl),0 0 0 1px #ffffff0d inset;animation:slideUp .5s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.auth-icon{display:flex;justify-content:center;margin-bottom:var(--spacing-xl);animation:pulse 3s 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#8b5cf64d}.btn-auth:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #8b5cf666}.btn-auth:active:not(:disabled){transform:translateY(0)}.btn-auth:disabled{opacity:.7;cursor:not-allowed}.auth-footer{margin-top:var(--spacing-xl);text-align:center}.toggle-auth{background:none;border:none;color:var(--color-text-secondary);font-size:var(--font-size-sm);cursor:pointer;padding:var(--spacing-sm);transition:color var(--duration-base)}.toggle-auth:hover:not(:disabled){color:var(--color-text-primary)}.toggle-auth strong{color:var(--color-primary);font-weight:var(--font-weight-semibold)}.toggle-auth:disabled{opacity:.5;cursor:not-allowed}@media(max-width:640px){.auth-card{padding:var(--spacing-3xl) var(--spacing-xl)}.auth-title{font-size:var(--font-size-2xl)}}.app-shell{min-height:100vh;display:flex;flex-direction:column;background:linear-gradient(135deg,var(--color-background-gradient-start) 0%,var(--color-background-gradient-end) 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120px)}.about-card{width:100%;max-width:800px;background:var(--color-glass-dark);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--color-glass-border);border-radius:var(--radius-2xl);padding:var(--spacing-4xl);box-shadow:var(--shadow-2xl)}.about-header{text-align:center;padding-bottom:var(--spacing-3xl);border-bottom:1px solid var(--color-border-light);margin-bottom:var(--spacing-3xl)}.about-header svg{margin-bottom:var(--spacing-lg)}.about-header h1{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);background:linear-gradient(135deg,var(--color-primary),var(--color-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0 0 var(--spacing-sm) 0}.about-header p{color:var(--color-text-secondary);font-size:var(--font-size-base);margin:0}.about-info{display:flex;flex-direction:column;gap:var(--spacing-3xl)}.info-section h2{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0 0 var(--spacing-base) 0}.info-list{display:grid;grid-template-columns:auto 1fr;gap:var(--spacing-sm) var(--spacing-xl);font-size:var(--font-size-sm)}.info-list dt{color:var(--color-text-secondary);font-weight:var(--font-weight-medium)}.info-list dd{color:var(--color-text-primary);margin:0}.info-list dd.mono{font-family:Fira Code,Courier New,monospace;font-size:var(--font-size-xs);background:var(--color-surface);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-xs)}.about-footer{text-align:center;padding-top:var(--spacing-3xl);border-top:1px solid var(--color-border-light);margin-top:var(--spacing-3xl)}.about-footer p{font-size:var(--font-size-sm);color:var(--color-text-tertiary);margin:0}@media(max-width:768px){.about-card{padding:var(--spacing-2xl)}.info-list{grid-template-columns:1fr;gap:var(--spacing-xs)}.info-list dt{font-weight:var(--font-weight-semibold)}}.chat-page{display:flex;flex-direction:column;height:calc(100vh - 120px);background:var(--color-glass-medium);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--color-glass-border);border-radius:var(--radius-2xl);overflow:hidden;box-shadow:var(--shadow-xl)}.chat-header-bar{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg) var(--spacing-xl);background:var(--color-glass-dark);border-bottom:1px solid 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var(--color-border);border-radius:var(--radius-base);color:var(--color-text-primary);font-size:var(--font-size-sm);font-family:var(--font-family);cursor:pointer;transition:all var(--duration-base)}.mode-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #8b5cf626}.btn-logout{padding:var(--spacing-sm) var(--spacing-lg);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-base);color:var(--color-text-primary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--duration-base)}.btn-logout:hover{background:var(--color-surface-light);border-color:var(--color-error);color:var(--color-error)}.chat-messages-area{flex:1;padding:var(--spacing-xl);overflow-y:auto;display:flex;flex-direction:column}.empty-chat{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-base);text-align:center;padding:var(--spacing-4xl)}.empty-icon{font-size:64px;opacity:.5;animation:float-icon 3s ease-in-out infinite}@keyframes float-icon{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.empty-chat h3{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);margin:0}.empty-chat p{font-size:var(--font-size-base);color:var(--color-text-secondary);margin:0}.messages-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.message-bubble{max-width:70%;padding:var(--spacing-md) var(--spacing-base);background:var(--color-surface);border:1px solid 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var(--duration-base)}.message-input::placeholder{color:var(--color-text-tertiary)}.message-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #8b5cf626;background:var(--color-surface-light)}.btn-send{padding:var(--spacing-md) var(--spacing-2xl);background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));border:none;border-radius:var(--radius-md);color:#fff;font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--duration-base);box-shadow:0 4px 12px #8b5cf64d}.btn-send:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 16px #8b5cf666}.btn-send:active:not(:disabled){transform:translateY(0)}.btn-send:disabled{opacity:.5;cursor:not-allowed}@media(max-width:768px){.chat-page{height:calc(100vh - 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auto;line-height:var(--line-height-relaxed)}.planet-card{position:relative;width:100%;height:600px;background:var(--color-glass-dark);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--color-glass-border);border-radius:var(--radius-2xl);overflow:hidden;box-shadow:var(--shadow-2xl)}.planet-loading{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-base);background:var(--color-background);z-index:2}.planet-spinner{width:48px;height:48px;border:4px solid var(--color-surface-light);border-top-color:var(--color-primary);border-radius:var(--radius-full);animation:spin 1s linear infinite}.planet-loading p{color:var(--color-text-secondary);font-size:var(--font-size-sm)}.planet-iframe{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:none;background:transparent}.planet-overlay{position:absolute;bottom:var(--spacing-xl);left:50%;transform:translate(-50%);z-index:1;pointer-events:none}.overlay-badge{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-xl);background:var(--color-glass-dark);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--color-glass-border);border-radius:var(--radius-full);box-shadow:var(--shadow-lg);animation:float-badge 3s ease-in-out infinite}@keyframes float-badge{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.badge-icon{font-size:var(--font-size-xl)}.badge-text{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary);white-space:nowrap}.planet-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-xl);margin-top:var(--spacing-xl)}.info-card{background:var(--color-glass-medium);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--color-glass-border);border-radius:var(--radius-xl);padding:var(--spacing-2xl);text-align:center;transition:all var(--duration-base) var(--easing-ease-out)}.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:var(--color-primary)}.info-icon{font-size:48px;margin-bottom:var(--spacing-base)}.info-card h3{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-sm)}.info-card p{font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}@media(max-width:768px){.planet-title{font-size:var(--font-size-3xl)}.planet-subtitle{font-size:var(--font-size-base)}.planet-card{height:450px}.planet-info{grid-template-columns:1fr}.overlay-badge{padding:var(--spacing-sm) var(--spacing-md)}.badge-text{font-size:var(--font-size-xs)}}@media(max-width:640px){.planet-card{height:350px}.badge-icon{font-size:var(--font-size-lg)}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text-primary);background:linear-gradient(135deg,var(--color-background-gradient-start) 0%,var(--color-background-gradient-end) 100%);min-height:100vh}#root{min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.app-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:var(--spacing-base)}.loader{width:48px;height:48px;border:4px solid var(--color-surface-light);border-top-color:var(--color-primary);border-radius:var(--radius-full);animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.auth-container{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--spacing-base)}.auth-card{background:var(--color-glass-dark);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--color-glass-border);border-radius:var(--radius-xl);padding:var(--spacing-3xl);width:100%;max-width:400px;box-shadow:var(--shadow-xl)}.auth-card h1{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);margin-bottom:var(--spacing-xs);background:linear-gradient(135deg,var(--color-primary),var(--color-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.auth-card p{color:var(--color-text-secondary);margin-bottom:var(--spacing-2xl)}.form-group{margin-bottom:var(--spacing-lg)}.form-group label{display:block;margin-bottom:var(--spacing-sm);color:var(--color-text-secondary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium)}.form-group input{width:100%;padding:var(--spacing-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-base);color:var(--color-text-primary);font-size:var(--font-size-base);transition:border-color var(--duration-base)}.form-group input:focus{outline:none;border-color:var(--color-primary)}.form-group input:disabled{opacity:.5;cursor:not-allowed}.error-message{background:#ef44441a;border:1px solid var(--color-error);border-radius:var(--radius-base);padding:var(--spacing-md);color:var(--color-error);font-size:var(--font-size-sm);margin-bottom:var(--spacing-base)}.btn-primary,.btn-secondary{width:100%;padding:var(--spacing-md);border:none;border-radius:var(--radius-base);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--duration-base)}.btn-primary{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 20px #8b5cf64d}.btn-secondary{background:var(--color-surface);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-primary:disabled,.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.auth-toggle{margin-top:var(--spacing-lg);text-align:center}.auth-toggle button{background:none;border:none;color:var(--color-primary);cursor:pointer;font-size:var(--font-size-sm);text-decoration:underline}.chat-container{display:flex;flex-direction:column;min-height:100vh}.chat-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-base);background:var(--color-glass-dark);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--color-border-light)}.header-actions{display:flex;gap:var(--spacing-base);align-items:center}.mode-selector{padding:var(--spacing-sm) var(--spacing-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-base);color:var(--color-text-primary);font-size:var(--font-size-sm);cursor:pointer}.messages{flex:1;padding:var(--spacing-base);overflow-y:auto}.empty-state{display:flex;align-items:center;justify-content:center;height:100%;color:var(--color-text-secondary)}.message{background:var(--color-surface);padding:var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-sm);max-width:80%}.message-input{display:flex;gap:var(--spacing-sm);padding:var(--spacing-base);background:var(--color-glass-dark);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--color-border-light)}.message-input input{flex:1;padding:var(--spacing-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-base);color:var(--color-text-primary);font-size:var(--font-size-base)}.message-input button{padding:var(--spacing-md) var(--spacing-xl);background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-base);font-weight:var(--font-weight-semibold);cursor:pointer;transition:all var(--duration-base)}.message-input button:hover:not(:disabled){background:var(--color-primary-dark)}.planet-container{width:100%;height:100vh;position:relative}.planet-iframe{width:100%;height:100%;border:none}:root{--color-background: #0A0A0F;--color-background-gradient-start: #0F1419;--color-background-gradient-end: #0A0A0F;--color-surface: #1A1D29;--color-surface-light: #252A3A;--color-surface-glow: rgba(139, 92, 246, .05);--color-glass: rgba(26, 29, 41, .08);--color-glass-light: rgba(37, 42, 58, .05);--color-glass-border: rgba(255, 255, 255, .15);--color-glass-medium: rgba(37, 42, 58, .5);--color-glass-dark: rgba(26, 29, 41, .7);--color-text-primary: #FFFFFF;--color-text-secondary: #9CA3AF;--color-text-tertiary: #6B7280;--color-border: #2D3748;--color-border-light: rgba(255, 255, 255, .1);--color-primary: #8B5CF6;--color-primary-light: #A78BFA;--color-primary-dark: #7C3AED;--color-accent: #06B6D4;--color-secondary: #EC4899;--color-success: #10B981;--color-error: #EF4444;--color-warning: #F59E0B;--color-info: #3B82F6;--spacing-xxs: 2px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 12px;--spacing-base: 16px;--spacing-lg: 20px;--spacing-xl: 24px;--spacing-2xl: 32px;--spacing-3xl: 40px;--spacing-4xl: 48px;--spacing-5xl: 64px;--font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs: 12px;--font-size-sm: 14px;--font-size-base: 16px;--font-size-md: 18px;--font-size-lg: 20px;--font-size-xl: 24px;--font-size-2xl: 32px;--font-size-3xl: 40px;--font-weight-light: 300;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.2;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--radius-xs: 4px;--radius-sm: 6px;--radius-base: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-2xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-base: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--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);--duration-fast: .15s;--duration-base: .2s;--duration-slow: .3s;--easing-ease-in: cubic-bezier(.4, 0, 1, 1);--easing-ease-out: cubic-bezier(0, 0, .2, 1);--easing-ease-in-out: cubic-bezier(.4, 0, .2, 1)}