:root{--color-primary: #2979FF;--color-primary-dark: #1c6efd;--color-primary-light: #42A5F5;--color-primary-50: rgba(41, 121, 255, .05);--color-primary-100: rgba(41, 121, 255, .1);--color-primary-200: rgba(41, 121, 255, .2);--color-primary-300: rgba(41, 121, 255, .3);--color-primary-400: rgba(41, 121, 255, .4);--color-text-primary: #212121;--color-text-secondary: #666666;--color-text-tertiary: #999999;--color-text-muted: #6c757d;--color-bg-primary: #FFFFFF;--color-bg-secondary: #F5F5F5;--color-bg-tertiary: #F8F9FA;--color-border: #E0E0E0;--color-border-light: #DEE2E6;--color-success: #4CAF50;--color-success-light: #D1FAE5;--color-success-border: #A7F3D0;--color-error: #F44336;--color-warning-bg: #FFF3CD;--color-warning-border: #FFE69C;--color-warning-text: #856404;--color-info: #2979FF;--font-size-xs: .8rem;--font-size-sm: 1rem;--font-size-md: 1.25rem;--font-size-lg: 1.563rem;--font-size-xl: 1.953rem;--font-size-2xl: 2.441rem;--font-size-3xl: 3.052rem;--font-size-4xl: 3.815rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--font-weight-extrabold: 800;--line-height-tight: 1.2;--line-height-normal: 1.5;--line-height-relaxed: 1.6;--line-height-loose: 1.8;--spacing-1: .125rem;--spacing-2: .25rem;--spacing-3: .375rem;--spacing-4: .5rem;--spacing-5: .625rem;--spacing-6: .75rem;--spacing-8: 1rem;--spacing-10: 1.25rem;--spacing-12: 1.5rem;--spacing-16: 2rem;--spacing-20: 2.5rem;--spacing-24: 3rem;--spacing-32: 4rem;--spacing-40: 5rem;--spacing-48: 6rem;--spacing-64: 8rem;--radius-xs: 2px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-2xl: 20px;--radius-3xl: 24px;--radius-full: 50%;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .05);--shadow-sm: 0 2px 4px rgba(0, 0, 0, .06);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .1);--shadow-xl: 0 16px 48px rgba(0, 0, 0, .12);--shadow-2xl: 0 32px 64px rgba(0, 0, 0, .15);--shadow-primary: 0 4px 12px rgba(41, 121, 255, .3);--shadow-primary-hover: 0 8px 24px rgba(41, 121, 255, .4);--shadow-answer: 0 8px 32px rgba(41, 121, 255, .15);--shadow-success: 0 4px 12px rgba(76, 175, 80, .3);--gradient-primary: linear-gradient(135deg, #2979FF 0%, #1c6efd 100%);--gradient-secondary: linear-gradient(135deg, #42A5F5 0%, #2979FF 100%);--gradient-tertiary: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);--gradient-success: linear-gradient(135deg, var(--color-success) 0%, #059669 100%);--gradient-hero: linear-gradient(135deg, #2979FF 0%, #1c6efd 50%, #42A5F5 100%);--gradient-accent: linear-gradient(90deg, #2979FF 0%, #1c6efd 50%, #42A5F5 100%);--gradient-premium: linear-gradient(135deg, #2979FF 0%, #1c6efd 50%, #42A5F5 75%, #1E88E5 100%);--gradient-warning: linear-gradient(135deg, var(--color-warning-bg) 0%, #FFE69C 100%);--gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, .95) 0%, rgba(255, 255, 255, .85) 100%);--result-bg: #FAFBFC;--result-card-bg: #FFFFFF;--result-border: #E8ECF0;--result-divider: #F0F2F5;--result-label: #8B9AAB;--result-answer: #1A2433;--result-text: #4A5568;--result-question-text: #64748B;--result-accent: #2979FF;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1);--spacing-04: 4px;--spacing-08: 8px;--spacing-12: 12px;--spacing-16: 16px;--spacing-20: 20px;--spacing-24: 24px;--spacing-32: 32px;--spacing-40: 40px;--spacing-48: 48px;--spacing-56: 56px;--spacing-64: 64px;--spacing-80: 80px;--safe-area-inset-top: env(safe-area-inset-top, 0px);--safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);--safe-area-inset-left: env(safe-area-inset-left, 0px);--safe-area-inset-right: env(safe-area-inset-right, 0px);--color-answer-bg: var(--color-primary-50);--color-answer-border: var(--color-primary-200);--color-answer-gradient: var(--gradient-primary);--surface-glass: rgba(255, 255, 255, .95);--surface-elevated: var(--color-bg-primary);--surface-base: var(--color-bg-secondary);--surface-sunken: #f3f4f6;--shadow-button: var(--shadow-primary);--shadow-button-hover: var(--shadow-primary-hover);--glass-backdrop: blur(20px) saturate(1.8);--glass-surface: rgba(255, 255, 255, .85);--glass-border: rgba(255, 255, 255, .3);--glass-shadow: 0 8px 32px rgba(31, 38, 135, .15);--glass-highlight: rgba(255, 255, 255, .6);--shadow-premium-sm: 0 2px 8px rgba(41, 121, 255, .12);--shadow-premium-md: 0 4px 20px rgba(41, 121, 255, .15);--shadow-premium-lg: 0 8px 40px rgba(41, 121, 255, .2);--shadow-premium-xl: 0 16px 60px rgba(41, 121, 255, .25);--shadow-premium-glass: 0 8px 32px rgba(31, 38, 135, .15), inset 0 1px 0 rgba(255, 255, 255, .4);--answer-font-size-hero: clamp(2.625rem, 5vw, 3.375rem);--answer-font-weight-hero: 800;--answer-line-height-hero: 1.1;--answer-gradient-text: var(--gradient-primary);--button-premium-gradient: var(--gradient-primary);--button-premium-shadow: var(--shadow-premium-md);--button-premium-shadow-hover: var(--shadow-premium-lg);--button-premium-transform-hover: translateY(-4px);--button-premium-transform-active: translateY(-2px);--icon-question: "";--icon-answer: "";--icon-justification: "";--icon-sparkle: "";--icon-success: "🎉";--timing-premium-fast: .2s cubic-bezier(.4, 0, .2, 1);--timing-premium-base: .3s cubic-bezier(.34, 1.56, .64, 1);--timing-premium-slow: .5s cubic-bezier(.4, 0, .2, 1);--timing-shimmer: .6s ease-in-out;--bg-main: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);--bg-pattern: radial-gradient(circle at 25% 25%, rgba(102, 126, 234, .05) 0%, transparent 50%), radial-gradient(circle at 75% 75%, rgba(118, 75, 162, .03) 0%, transparent 50%);--quota-glow: 0 0 20px rgba(102, 126, 234, .3);--quota-gradient: var(--gradient-tertiary);--quota-sparkle: var(--timing-shimmer)}*{touch-action:manipulation}body{padding-top:var(--safe-area-inset-top);padding-bottom:var(--safe-area-inset-bottom)}body.loading{overflow:hidden;position:fixed;width:100%;height:100%}body.keyboard-open .quota-display,body.keyboard-open footer{display:none!important}body{background:var(--bg-main);position:relative}body:before{content:"";position:fixed;inset:0;background:var(--bg-pattern);pointer-events:none;z-index:-1;animation:subtleBackgroundShift 30s ease-in-out infinite}@keyframes subtleBackgroundShift{0%,to{opacity:1;transform:scale(1) rotate(0)}50%{opacity:.8;transform:scale(1.05) rotate(1deg)}}.hero-question-input{padding:var(--spacing-16) var(--spacing-8);text-align:center}.hero-question-input h1{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-4);line-height:var(--line-height-tight)}.hero-subtitle{font-size:var(--font-size-md);color:var(--color-text-secondary);margin-bottom:var(--spacing-10);line-height:var(--line-height-relaxed);max-width:700px;margin-left:auto;margin-right:auto}.question-input-wrapper{max-width:800px;margin:var(--spacing-10) auto;position:relative;background:#fff;border-radius:20px;padding:24px;box-shadow:0 4px 20px #00000014;border:1px solid #E2E8F0;transition:border-color .3s ease,box-shadow .3s ease}.question-input-wrapper:focus-within{border-color:#3b82f6;box-shadow:0 4px 20px #3b82f626}.input-text-mode{position:relative}.input-text-mode textarea{width:100%;min-height:200px;padding:var(--spacing-5);padding-bottom:var(--spacing-16);font-size:var(--font-size-sm);font-family:Roboto,sans-serif;line-height:var(--line-height-relaxed);border:none;border-radius:var(--radius-md);resize:vertical;transition:background-color var(--transition-base);background:#f8fafc}.input-text-mode textarea::placeholder{color:var(--color-text-tertiary)}.input-text-mode textarea:focus{outline:none;background:#fff}.input-text-mode textarea.invalid{animation:shake .3s ease}.question-input-wrapper:has(.input-text-mode textarea.invalid){border-color:var(--color-error)}.input-actions{position:absolute;bottom:16px;right:16px;display:flex;flex-direction:row;align-items:center;gap:12px;z-index:10}.camera-button{position:relative;bottom:auto;right:auto;width:48px;height:48px;min-width:48px;min-height:48px;border-radius:50%;background:#f1f5f9;color:#64748b;border:1px solid #E2E8F0;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:none;transition:all .2s ease;z-index:10}.camera-button:hover{background:#e2e8f0;color:#475569;transform:scale(1.05)}.submit-button-inline{position:relative;width:48px;height:48px;min-width:48px;min-height:48px;border-radius:50%;background:#3b82f6;color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #3b82f666;transition:all .2s ease}.submit-button-inline:not(:disabled):hover{background:#2563eb;transform:scale(1.05);box-shadow:0 4px 12px #3b82f680}.submit-button-inline:not(:disabled):active{transform:scale(.95)}.submit-button-inline:disabled{background:#cbd5e1;cursor:not-allowed;box-shadow:none}.submit-button-inline svg{width:20px;height:20px;transition:transform .2s ease}.submit-button-inline:not(:disabled):hover svg{transform:translate(2px) translateY(-2px)}.submit-button-inline.loading{background:#3b82f6;cursor:wait;pointer-events:none}.submit-button-inline.loading svg{display:none}.submit-button-inline.loading:after{content:"";width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:submitSpinner .6s linear infinite}@keyframes submitSpinner{to{transform:rotate(360deg)}}.camera-button:active{transform:scale(.95)}.camera-button svg{width:22px;height:22px}.char-counter{position:absolute;bottom:var(--spacing-4);left:var(--spacing-5);font-size:var(--font-size-xs);color:var(--color-text-secondary);user-select:none}.char-counter .current-chars{font-weight:var(--font-weight-semibold);color:var(--color-text-secondary)}.input-image-mode{max-width:800px;margin:0 auto}.image-preview-container{border:2px solid #dee2e6;border-radius:12px;padding:20px;background:#f8f9fa}.image-preview-container img{max-width:100%;height:auto;border-radius:8px;margin-bottom:16px;display:block}.preview-actions{display:flex;flex-direction:column;gap:12px}.btn-remove-image{background:#dc3545;color:#fff;padding:12px 24px;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;min-height:44px}.btn-remove-image:hover{background:#c82333;transform:translateY(-2px);box-shadow:0 4px 12px #dc35454d}.btn-remove-image:active{transform:scale(.95);background:#a71d2a}.image-info{font-size:14px;color:#6c757d;margin:0;text-align:center}.image-filename{font-weight:500;color:#495057}.quota-display-top{text-align:center;margin-bottom:var(--spacing-4);animation:slideDown .4s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.quota-badge-top{display:inline-flex;align-items:center;gap:var(--spacing-2);background:#ffffffe6;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--color-border-light);color:var(--color-text-secondary);padding:var(--spacing-2) var(--spacing-4);border-radius:var(--radius-lg);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);box-shadow:var(--shadow-xs);transition:all var(--transition-fast)}.quota-badge-top:hover{border-color:var(--color-primary-200);box-shadow:var(--shadow-sm)}.quota-icon-svg{color:var(--color-primary);flex-shrink:0}.quota-text-top{white-space:nowrap;color:var(--color-text-secondary)}.quota-text-top strong{color:var(--color-primary);font-weight:var(--font-weight-semibold)}.cta-container{text-align:center;margin:var(--spacing-6) 0}.cta-button{background:#3b82f6;color:#fff;padding:14px 32px;border:none;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:10px;transition:all .3s cubic-bezier(.4,0,.2,1);min-height:56px;min-width:200px;box-shadow:0 4px 14px #3b82f666;position:relative;overflow:hidden}.cta-button:not(:disabled):hover{background:#2563eb;transform:translateY(-3px);box-shadow:0 8px 24px #3b82f680}.cta-button:not(:disabled):active{transform:translateY(-1px);box-shadow:0 4px 14px #667eea66}.cta-button:disabled{opacity:.5;cursor:not-allowed;transform:none;background:linear-gradient(135deg,#9ca3af,#6b7280);box-shadow:none}.btn-icon-svg{flex-shrink:0;transition:transform .2s ease}.cta-button:not(:disabled):hover .btn-icon-svg{transform:translate(2px) translateY(-2px)}.btn-icon{font-size:24px;line-height:1}.btn-text{line-height:1}.cta-button.loading{pointer-events:none;opacity:.8}.cta-button.loading .btn-text:after{content:"...";animation:dots 1.5s infinite}.cta-button.loading:before{content:"";display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;margin-right:var(--spacing-2)}.cta-button:focus-visible{outline:3px solid var(--color-primary-200);outline-offset:2px}.camera-button:focus-visible{outline:3px solid var(--color-primary-200);outline-offset:2px}.btn-remove-image:focus-visible{outline:3px solid var(--color-error);outline-offset:2px}textarea:focus-visible{border-color:var(--color-primary);box-shadow:0 0 0 4px var(--color-primary-100);outline:none}.cta-button:not(:disabled):hover{background:var(--gradient-primary);transform:translateY(-2px);box-shadow:var(--shadow-primary-hover)}.cta-button:not(:disabled):active{transform:translateY(0);box-shadow:var(--shadow-primary)}.answer-skeleton{background:linear-gradient(90deg,var(--color-bg-secondary) 25%,var(--color-bg-tertiary) 50%,var(--color-bg-secondary) 75%);background-size:200% 100%;animation:skeletonLoading 1.5s ease-in-out infinite;border-radius:var(--radius-lg);height:200px;margin:var(--spacing-24) 0}@keyframes skeletonLoading{0%{background-position:200% 0}to{background-position:-200% 0}}.benefit-card.loading{opacity:.7;pointer-events:none}.benefit-card.loading .benefit-card-icon{background:var(--color-bg-secondary);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.cta-button:disabled{opacity:.6;cursor:not-allowed;transform:none;background:linear-gradient(135deg,#1e88e599,#1565c099)}.quota-badge{background:var(--quota-gradient);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);border:2px solid rgba(79,172,254,.3);color:#fff;padding:var(--spacing-4) var(--spacing-6);border-radius:var(--radius-2xl);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);margin-top:var(--spacing-6);box-shadow:var(--quota-glow);transition:all var(--timing-premium-base);position:relative;overflow:hidden;text-shadow:0 1px 2px rgba(0,0,0,.2);animation:quotaGlow 3s ease-in-out infinite}@keyframes quotaGlow{0%,to{box-shadow:var(--quota-glow)}50%{box-shadow:0 0 30px #4facfe66}}.quota-badge:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.3) 0%,transparent 70%);animation:sparkle 2s ease-in-out infinite;pointer-events:none}@keyframes sparkle{0%,to{transform:scale(.8) rotate(0);opacity:.6}50%{transform:scale(1.2) rotate(180deg);opacity:.3}}.quota-badge:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 0 40px #4facfe80;border-color:#4facfe80}.quota-badge .quota-icon{display:inline-block;animation:iconFloat 3s ease-in-out infinite}@keyframes iconFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}.char-counter{font-size:var(--font-size-xs);color:var(--color-text-secondary);font-weight:var(--font-weight-medium);background:#ffffffe6;padding:var(--spacing-1) var(--spacing-2);border-radius:var(--radius-sm);backdrop-filter:blur(4px)}.input-text-mode textarea{transition:border-color var(--transition-base),box-shadow var(--transition-base),transform var(--transition-fast)}.input-text-mode textarea:hover:not(:focus){border-color:var(--color-primary-200);transform:translateY(-1px)}.benefit-card-icon svg{transition:transform var(--transition-fast),color var(--transition-base)}.benefit-card:hover .benefit-card-icon svg{transform:scale(1.1);color:var(--color-primary-dark)}.testimonial-card{transition:transform var(--transition-base),box-shadow var(--transition-base),border-color var(--transition-base);border:1px solid transparent}.testimonial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:var(--color-primary-200)}.comparison-table tbody tr{transition:background-color var(--transition-fast)}.comparison-table tbody tr:hover{background:var(--color-primary-50)}.quota-display{text-align:center;margin:var(--spacing-6) 0}.quota-badge{display:inline-flex;align-items:center;gap:var(--spacing-2);background:var(--color-warning-bg);border:1px solid var(--color-warning-border);color:var(--color-warning-text);padding:var(--spacing-3) var(--spacing-6);border-radius:var(--radius-xl);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);margin-top:var(--spacing-6)}.quota-text strong{font-size:var(--font-size-md);font-weight:var(--font-weight-bold);color:var(--color-primary)}.quota-icon{font-size:20px;margin-right:var(--spacing-2)}.question-input-wrapper:has(.input-text-mode.drag-over){border:2px dashed #3B82F6;background:#3b82f605}.input-text-mode.drag-over textarea{background:transparent}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}50%{transform:translate(10px)}75%{transform:translate(-10px)}}@keyframes dots{0%,20%{content:"."}40%{content:".."}60%,to{content:"..."}}@media (max-width: 767px){.hero-question-input h1{font-size:1.875rem}.hero-subtitle{font-size:1rem}.question-input-wrapper{padding:16px!important}.input-text-mode textarea{min-height:80px!important;font-size:16px;padding:12px 12px 55px!important}.input-actions{bottom:10px;right:10px;gap:8px;flex-direction:row!important;flex-wrap:nowrap!important;display:flex!important}.camera-button,.submit-button-inline{width:40px!important;height:40px!important;min-width:40px!important;min-height:40px!important}.camera-button svg{width:18px;height:18px}.submit-button-inline svg{width:16px;height:16px}.hero-question-input{padding:40px 20px}.result-section{padding:0 16px 60px}}@media (min-width: 768px) and (max-width: 1023px){.input-text-mode textarea{min-height:200px}.cta-button{max-width:400px}.result-card{padding:var(--spacing-32);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.answer-text-display{font-size:clamp(2rem,4vw,2.25rem);padding:var(--spacing-10) var(--spacing-8)}.answer-block:before{font-size:clamp(1.75rem,4vw,2rem);top:-45px}.result-section:before,.result-section:after{animation-duration:25s}.quota-badge{animation-duration:4s}}@media (min-width: 1024px){.input-text-mode textarea{min-height:240px}.camera-button{width:48px;height:48px}.hero-question-input h1{font-size:3rem}.hero-subtitle{font-size:1.25rem}}.camera-button:focus-visible,.btn-remove-image:focus-visible,.cta-button:focus-visible{outline:3px solid #2979FF;outline-offset:2px}textarea:focus-visible{border-color:#2979ff;box-shadow:0 0 0 4px #2979ff1a}.loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#ffffffe6;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:9999;display:flex;align-items:center;justify-content:center}.loading-overlay[hidden]{display:none!important}.loading-content{background:#fff;padding:48px 40px;border-radius:20px;text-align:center;max-width:400px;box-shadow:0 8px 32px #0000001f}.loading-brand{font-family:Poppins,sans-serif;font-size:24px;font-weight:700;color:#3b82f6;margin-bottom:24px}.spinner{width:56px;height:56px;border:3px solid #E2E8F0;border-top-color:#3b82f6;border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 24px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-message{color:#1e293b;font-weight:600;font-size:18px;margin-bottom:8px}.loading-submessage{color:#64748b;font-size:14px}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#0009;z-index:9998;display:flex;align-items:center;justify-content:center}.modal[hidden]{display:none!important}.modal-content{background:#fff;padding:32px;border-radius:12px;max-width:500px;text-align:center;box-shadow:0 4px 20px #0000004d}.modal-content h2{margin-top:0;margin-bottom:16px;color:#333}.modal-content p{margin-bottom:24px;color:#666;line-height:1.5}.modal-actions{margin-top:24px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.btn-primary{background-color:#2979ff;color:#fff;padding:12px 24px;border:none;border-radius:6px;font-weight:600;cursor:pointer;transition:all 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