:root{--color-primary: #4F46E5;--color-primary-light: #818CF8;--color-primary-dark: #3730A3;--color-accent: #06B6D4;--color-accent-light: #67E8F9;--color-success: #10B981;--color-success-light: #34D399;--color-warning: #F59E0B;--color-error: #EF4444;--color-error-light: #FCA5A5;--color-bg: #0F172A;--color-bg-elevated: #1E293B;--color-bg-card: rgba(30, 41, 59, .7);--color-surface: #334155;--color-border: rgba(148, 163, 184, .15);--color-text-primary: #F1F5F9;--color-text-secondary: #94A3B8;--color-text-muted: #64748B;--gradient-hero: linear-gradient(135deg, #4F46E5 0%, #06B6D4 50%, #10B981 100%);--gradient-card: linear-gradient(145deg, rgba(79, 70, 229, .08), rgba(6, 182, 212, .05));--gradient-star-active: linear-gradient(135deg, #FBBF24, #F59E0B);--gradient-star-hover: linear-gradient(135deg, #FDE68A, #FBBF24);--font-family: "Inter", system-ui, -apple-system, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-size-5xl: 3rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: .375rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .25);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .3);--shadow-glow-primary: 0 0 24px rgba(79, 70, 229, .3);--shadow-glow-accent: 0 0 24px rgba(6, 182, 212, .3);--shadow-glow-star: 0 0 16px rgba(251, 191, 36, .4);--glass-bg: rgba(30, 41, 59, .6);--glass-blur: blur(20px);--glass-border: 1px solid rgba(148, 163, 184, .12);--ease-out-expo: cubic-bezier(.16, 1, .3, 1);--duration-fast: .15s;--duration-normal: .25s;--duration-slow: .4s}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}.app-wrapper{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-4);position:relative}.app-wrapper:before,.app-wrapper:after{content:"";position:fixed;border-radius:50%;filter:blur(80px);opacity:.3;pointer-events:none;z-index:0}.app-wrapper:before{width:500px;height:500px;background:var(--color-primary);top:-150px;right:-100px;animation:float-orb 12s ease-in-out infinite}.app-wrapper:after{width:400px;height:400px;background:var(--color-accent);bottom:-100px;left:-80px;animation:float-orb 15s ease-in-out infinite reverse}@keyframes float-orb{0%,to{transform:translate(0) scale(1)}33%{transform:translate(30px,-20px) scale(1.05)}66%{transform:translate(-20px,15px) scale(.95)}}.survey-card{position:relative;z-index:1;width:100%;max-width:520px;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:var(--glass-border);border-radius:var(--radius-xl);padding:var(--space-10);box-shadow:var(--shadow-lg);overflow:hidden}.survey-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-hero);opacity:.8}.star-rating-container{display:flex;flex-direction:column;align-items:center;gap:var(--space-4);margin-bottom:var(--space-6)}.star-rating-group{display:flex;gap:var(--space-3);padding:var(--space-2)}.star-button{background:none;border:none;cursor:pointer;padding:var(--space-2);border-radius:var(--radius-md);transition:transform var(--duration-fast) var(--ease-out-expo);display:flex;align-items:center;justify-content:center;outline:none}.star-button:focus-visible{outline:2px solid var(--color-primary-light);outline-offset:2px}.star-button:active{transform:scale(.9)}.star-icon{width:44px;height:44px;transition:all var(--duration-normal) var(--ease-out-expo);filter:drop-shadow(0 0 0px transparent)}.star-icon--empty{color:var(--color-surface);opacity:.5}.star-icon--hovered{color:#fbbf24;opacity:.7;filter:drop-shadow(0 0 6px rgba(251,191,36,.3))}.star-icon--active{color:#fbbf24;opacity:1;filter:drop-shadow(0 0 8px rgba(251,191,36,.5))}.star-rating-label{font-size:var(--font-size-sm);color:var(--color-text-muted);min-height:1.25rem}.submit-button{display:flex;align-items:center;justify-content:center;gap:var(--space-2);width:100%;padding:var(--space-4) var(--space-6);background:var(--gradient-hero);color:#fff;font-family:var(--font-family);font-size:var(--font-size-base);font-weight:600;border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--duration-normal) var(--ease-out-expo);box-shadow:var(--shadow-md),var(--shadow-glow-primary);position:relative;overflow:hidden}.submit-button:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.15) 0%,transparent 50%);opacity:0;transition:opacity var(--duration-normal)}.submit-button:hover:not(:disabled):before{opacity:1}.submit-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg),0 0 32px #4f46e566}.submit-button:active:not(:disabled){transform:translateY(0)}.submit-button:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.greeting-header{text-align:center;margin-bottom:var(--space-8)}.greeting-emoji{font-size:var(--font-size-5xl);display:block;margin-bottom:var(--space-4);line-height:1}.greeting-title{font-size:var(--font-size-2xl);font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-3);line-height:1.3}.greeting-subtitle{font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:1.5}.greeting-highlight{color:var(--color-accent-light);font-weight:500}.positive-header{text-align:center;margin-bottom:var(--space-8)}.positive-emoji{font-size:var(--font-size-5xl);display:block;margin-bottom:var(--space-4);line-height:1}.positive-title{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-text-primary);margin-bottom:var(--space-3)}.positive-message{font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:1.6;margin-bottom:var(--space-6)}.google-review-button{display:flex;align-items:center;justify-content:center;gap:var(--space-3);width:100%;padding:var(--space-4) var(--space-6);background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#1e293b;font-family:var(--font-family);font-size:var(--font-size-base);font-weight:700;border:none;border-radius:var(--radius-lg);cursor:pointer;text-decoration:none;transition:all var(--duration-normal) var(--ease-out-expo);box-shadow:var(--shadow-md),var(--shadow-glow-star)}.google-review-button:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg),0 0 32px #fbbf2480}.negative-header{text-align:center;margin-bottom:var(--space-6)}.negative-emoji{font-size:var(--font-size-4xl);display:block;margin-bottom:var(--space-4);line-height:1}.negative-title{font-size:var(--font-size-2xl);font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-3)}.negative-message{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.5;margin-bottom:var(--space-6)}.feedback-textarea{width:100%;min-height:140px;padding:var(--space-4);background:var(--color-bg);color:var(--color-text-primary);font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.6;border:1px solid var(--color-border);border-radius:var(--radius-md);resize:vertical;transition:border-color var(--duration-normal);margin-bottom:var(--space-6)}.feedback-textarea::placeholder{color:var(--color-text-muted)}.feedback-textarea:focus{outline:none;border-color:var(--color-primary-light);box-shadow:0 0 0 3px #4f46e526}.submitted-container{text-align:center}.submitted-icon{width:80px;height:80px;margin:0 auto var(--space-6);background:linear-gradient(135deg,var(--color-success) 0%,var(--color-success-light) 100%);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 0 32px #10b9814d}.submitted-icon svg{width:40px;height:40px;color:#fff}.submitted-title{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-text-primary);margin-bottom:var(--space-3)}.submitted-message{font-size:var(--font-size-base);color:var(--color-text-secondary);line-height:1.6}.error-container{text-align:center}.error-icon{width:64px;height:64px;margin:0 auto var(--space-6);color:var(--color-error)}.error-title{font-size:var(--font-size-xl);font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-3)}.error-message{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-bottom:var(--space-6)}.retry-button{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);background:transparent;color:var(--color-primary-light);font-family:var(--font-family);font-size:var(--font-size-sm);font-weight:500;border:1px solid var(--color-primary-light);border-radius:var(--radius-md);cursor:pointer;transition:all var(--duration-normal)}.retry-button:hover{background:#4f46e51a}.missing-params-container{text-align:center}.missing-params-icon{font-size:var(--font-size-5xl);display:block;margin-bottom:var(--space-4);line-height:1}.missing-params-title{font-size:var(--font-size-xl);font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-3)}.missing-params-message{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.5}@media(prefers-reduced-motion:reduce){.app-wrapper:before,.app-wrapper:after{animation:none}.spinner{animation-duration:1.5s}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}@media(max-width:480px){.survey-card{padding:var(--space-6);border-radius:var(--radius-lg)}.greeting-title,.positive-title,.negative-title,.submitted-title{font-size:var(--font-size-xl)}.star-icon{width:38px;height:38px}.star-rating-group{gap:var(--space-2)}}