:root{--color-primary: #667eea;--color-primary-dark: #5a67d8;--color-secondary: #764ba2;--color-accent: #f093fb;--color-bg: #f7f7ff;--color-bg-card: rgba(255, 255, 255, .95);--color-bg-card-hover: rgba(255, 255, 255, 1);--color-text: #2d3748;--color-text-secondary: #718096;--color-text-muted: #a0aec0;--color-border: rgba(102, 126, 234, .2);--color-error: #e53e3e;--color-success: #38a169;--color-progress-low: #667eea;--color-progress-medium: #f6ad55;--color-progress-high: #fc8181;--gradient-bg: linear-gradient(135deg, #f7f7ff 0%, #e8e8ff 50%, #fff5f7 100%);--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-card: linear-gradient(135deg, rgba(255,255,255,.9) 0%, rgba(255,255,255,.7) 100%);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .06);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);--shadow-primary: 0 4px 16px rgba(102, 126, 234, .3);--radius-sm: 12px;--radius-md: 16px;--radius-lg: 20px;--radius-xl: 24px;--spacing-xs: 8px;--spacing-sm: 12px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-size-xs: 12px;--font-size-sm: 14px;--font-size-md: 16px;--font-size-lg: 18px;--font-size-xl: 24px;--font-size-2xl: 32px;--font-size-3xl: 40px;--transition-fast: .15s ease;--transition-normal: .3s ease}[data-theme=dark]{--color-bg: #1a1a2e;--color-bg-card: rgba(30, 30, 50, .95);--color-bg-card-hover: rgba(35, 35, 55, 1);--color-text: #e2e8f0;--color-text-secondary: #a0aec0;--color-text-muted: #718096;--color-border: rgba(102, 126, 234, .3);--gradient-bg: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);--gradient-card: linear-gradient(135deg, rgba(30,30,50,.9) 0%, rgba(25,25,45,.9) 100%);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--shadow-md: 0 4px 16px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .4)}[data-theme=dark] .disclaimer{background:#1e1e32bf;border-color:#667eea33;color:#718096}[data-theme=dark] .footer-brand{color:#4a5568}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);background:var(--gradient-bg);color:var(--color-text);line-height:1.6;overflow-x:hidden;overflow-y:auto}#root{min-height:100%}.page{min-height:100dvh;overflow-y:auto;padding:calc(32px + env(safe-area-inset-top)) 16px calc(28px + env(safe-area-inset-bottom));box-sizing:border-box}.app-container{width:100%;max-width:430px;margin:0 auto}.theme-toggle{position:fixed;top:20px;right:20px;z-index:100;width:44px;height:44px;border-radius:50%;border:none;background:var(--color-bg-card);box-shadow:var(--shadow-md);font-size:20px;cursor:pointer;transition:transform var(--transition-fast);display:flex;align-items:center;justify-content:center}.theme-toggle:hover{transform:scale(1.1)}.theme-toggle:active{transform:scale(.95)}.hero{text-align:center;padding-top:24px;margin-bottom:28px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(102,126,234,.1) 0%,transparent 50%);animation:heroGlow 8s ease-in-out infinite}@keyframes heroGlow{0%,to{transform:translate(0)}50%{transform:translate(-5%,-5%)}}.hero-content{position:relative;z-index:1}.hero-title{font-size:clamp(40px,10vw,58px);font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0 0 16px;line-height:1.12;letter-spacing:-1px}.hero-subtitle{font-size:17px;color:var(--color-text-secondary);margin-bottom:20px;line-height:1.6}.hero-hint{font-size:var(--font-size-sm);color:var(--color-text-muted);font-style:italic;padding:var(--spacing-md);background:var(--color-bg-card);border-radius:var(--radius-md);border-left:3px solid var(--color-primary)}.main-content{padding:0 var(--spacing-md)}.birthday-form{background:var(--gradient-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:28px;padding:32px 24px;box-shadow:var(--shadow-lg);border:1px solid var(--color-border);margin-bottom:24px}.form-title{font-size:var(--font-size-xl);font-weight:700;color:var(--color-text);margin-bottom:var(--spacing-xl);text-align:center}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-secondary);margin-bottom:var(--spacing-sm)}.date-inputs{display:grid;grid-template-columns:1fr 1fr 1fr;gap:var(--spacing-sm)}.date-select{width:100%;padding:var(--spacing-sm) var(--spacing-xs);border:2px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-bg-card);color:var(--color-text);font-size:var(--font-size-sm);font-family:var(--font-family);cursor:pointer;transition:all var(--transition-fast);-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23718096' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;padding-right:24px}.date-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #667eea33}.status-options,.mode-options{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-sm)}.status-btn,.mode-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:var(--spacing-sm);border:2px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-card);color:var(--color-text);font-size:var(--font-size-xs);font-family:var(--font-family);cursor:pointer;transition:all var(--transition-fast)}.status-btn:hover,.mode-btn:hover{border-color:var(--color-primary);background:#667eea0d}.status-btn.active,.mode-btn.active{border-color:var(--color-primary);background:#667eea1a;color:var(--color-primary);font-weight:600}.status-emoji,.mode-emoji{font-size:24px}.status-label,.mode-label{font-size:var(--font-size-xs)}.form-error{color:var(--color-error);font-size:var(--font-size-sm);text-align:center;padding:var(--spacing-sm);background:#e53e3e1a;border-radius:var(--radius-sm);margin-bottom:var(--spacing-md)}.submit-btn{width:100%;height:56px;margin-top:28px;padding:var(--spacing-md) var(--spacing-lg);background:var(--gradient-primary);color:#fff;border:none;border-radius:18px;font-size:var(--font-size-lg);font-weight:700;font-family:var(--font-family);cursor:pointer;transition:all var(--transition-fast);box-shadow:var(--shadow-primary)}.submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.submit-btn:active:not(:disabled){transform:translateY(0) scale(.98)}.submit-btn:disabled{opacity:.7;cursor:not-allowed}.result-section{display:flex;flex-direction:column;gap:var(--spacing-lg)}.reset-btn{align-self:flex-end;padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-card);color:var(--color-text-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-family:var(--font-family);cursor:pointer;transition:all var(--transition-fast)}.reset-btn:hover{background:var(--color-bg-card-hover);color:var(--color-text);border-color:var(--color-primary)}.age-report-card{background:var(--gradient-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:var(--shadow-lg);border:1px solid var(--color-border)}.birthday-egg{background:linear-gradient(135deg,#fff3e0,#ffe0b2);padding:var(--spacing-md);border-radius:var(--radius-md);text-align:center;font-size:var(--font-size-md);font-weight:600;color:#e65100;margin-bottom:var(--spacing-lg);animation:birthdayPulse 2s ease-in-out infinite}@keyframes birthdayPulse{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}.report-header{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}.report-emoji{font-size:40px}.report-title{font-size:var(--font-size-lg);font-weight:700;color:var(--color-text)}.report-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-md);margin-bottom:var(--spacing-lg)}.stat-item{text-align:center;padding:var(--spacing-md);background:#667eea0d;border-radius:var(--radius-md)}.stat-label{font-size:var(--font-size-xs);color:var(--color-text-muted);margin-bottom:4px}.stat-value{font-size:var(--font-size-lg);font-weight:700;color:var(--color-primary)}.stage-info{padding:var(--spacing-md);background:#667eea0d;border-radius:var(--radius-md)}.stage-name{font-size:var(--font-size-md);font-weight:700;color:var(--color-text);margin-bottom:var(--spacing-xs);display:flex;align-items:center;gap:var(--spacing-xs)}.stage-description{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.6}.life-progress{background:var(--gradient-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:var(--shadow-lg);border:1px solid var(--color-border)}.progress-title{font-size:var(--font-size-lg);font-weight:700;color:var(--color-text);margin-bottom:var(--spacing-lg)}.progress-container{margin-bottom:var(--spacing-md)}.progress-bar{height:24px;background:#667eea1a;border-radius:12px;overflow:hidden;margin-bottom:var(--spacing-sm)}.progress-fill{height:100%;border-radius:12px;transition:width 1s ease-out;position:relative;min-width:24px}.progress-shine{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.3) 50%,transparent 100%);animation:progressShine 2s ease-in-out infinite}@keyframes progressShine{0%{transform:translate(-100%)}to{transform:translate(100%)}}.progress-label{display:flex;justify-content:space-between;align-items:center}.progress-text{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.progress-value{font-size:var(--font-size-xl);font-weight:800;color:var(--color-primary)}.progress-hint{font-size:var(--font-size-sm);color:var(--color-text-muted);text-align:center;font-style:italic}.milestone-list{background:var(--gradient-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:var(--shadow-lg);border:1px solid var(--color-border)}.milestone-title{font-size:var(--font-size-lg);font-weight:700;color:var(--color-text);margin-bottom:var(--spacing-lg)}.milestone-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-sm)}.milestone-card{padding:var(--spacing-md);border-radius:var(--radius-md);border:1px solid var(--color-border);transition:all var(--transition-fast)}.milestone-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.milestone-card.reached{background:#38a1690d;border-color:#38a16933}.milestone-card.pending{background:var(--color-bg-card)}.milestone-label{font-size:var(--font-size-sm);font-weight:700;color:var(--color-text);margin-bottom:4px}.milestone-status{font-size:var(--font-size-xs)}.milestone-unlocked{color:var(--color-success);font-weight:600}.milestone-countdown{color:var(--color-text-secondary)}.mode-text-card{background:var(--gradient-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:var(--shadow-lg);border:1px solid var(--color-border)}.mode-text-label{font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-secondary);margin-bottom:var(--spacing-md)}.mode-text-content{font-size:var(--font-size-md);color:var(--color-text);line-height:1.8;font-style:italic;padding:var(--spacing-md);background:#667eea0d;border-radius:var(--radius-md);border-left:3px solid var(--color-primary)}.share-section{background:var(--gradient-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:var(--shadow-lg);border:1px solid var(--color-border)}.share-title{font-size:var(--font-size-lg);font-weight:700;color:var(--color-text);margin-bottom:var(--spacing-lg)}.share-card{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:var(--radius-lg);padding:var(--spacing-xl);color:#fff;margin-bottom:var(--spacing-lg)}.share-card-header{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:1px solid rgba(255,255,255,.2)}.share-card-logo{font-size:32px}.share-card-title{font-size:var(--font-size-lg);font-weight:700}.share-card-content{margin-bottom:var(--spacing-lg)}.share-birthday-badge{background:#fff3;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);text-align:center;font-weight:600;margin-bottom:var(--spacing-md);animation:birthdayPulse 2s ease-in-out infinite}.share-stat{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-sm) 0;border-bottom:1px solid rgba(255,255,255,.1)}.share-stat:last-of-type{border-bottom:none}.share-stat-label{font-size:var(--font-size-sm);opacity:.9}.share-stat-value{font-size:var(--font-size-md);font-weight:700}.share-quote{margin-top:var(--spacing-md);padding:var(--spacing-md);background:#ffffff26;border-radius:var(--radius-md);font-size:var(--font-size-sm);font-style:italic;line-height:1.6}.share-card-footer{padding-top:var(--spacing-md);border-top:1px solid rgba(255,255,255,.2);text-align:center}.share-footer-text{font-size:var(--font-size-sm);opacity:.9;margin-bottom:4px}.share-footer-hashtag{font-size:var(--font-size-xs);opacity:.7}.copy-btn{width:100%;padding:var(--spacing-md);background:var(--gradient-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--font-size-md);font-weight:600;font-family:var(--font-family);cursor:pointer;transition:all var(--transition-fast);box-shadow:var(--shadow-primary)}.copy-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.copy-btn:active{transform:translateY(0) scale(.98)}.share-hint{text-align:center;font-size:var(--font-size-xs);color:var(--color-text-muted);margin-top:var(--spacing-sm)}.wisdom-card{display:flex;align-items:flex-start;gap:var(--spacing-md);background:var(--gradient-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:var(--shadow-lg);border:1px solid var(--color-border)}.wisdom-icon{font-size:32px;flex-shrink:0}.wisdom-text{font-size:var(--font-size-md);color:var(--color-text);line-height:1.8;font-style:italic}.footer{margin-top:24px;padding-bottom:12px;text-align:center}.disclaimer{font-size:13px;color:#7a869f;line-height:1.7;margin-bottom:var(--spacing-sm);padding:18px 20px;background:#ffffffbf;border-radius:18px;border:1px solid rgba(140,155,190,.18);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.footer-brand{font-size:13px;color:#a0abc2}@media (max-width: 430px){.page{padding-left:12px;padding-right:12px}.hero-title{font-size:clamp(36px,9vw,48px)}.birthday-form{padding:28px 18px}.status-options,.mode-options{grid-template-columns:repeat(2,1fr);gap:12px}.status-btn,.mode-btn{min-height:84px}.report-stats{grid-template-columns:1fr;gap:var(--spacing-sm)}.milestone-grid{grid-template-columns:1fr}}@media (max-height: 760px){.hero{padding-top:12px;margin-bottom:20px}.hero-title{font-size:42px}.hero-hint{padding:16px 18px;margin-bottom:20px}.birthday-form{padding-top:26px;padding-bottom:26px}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.age-report-card,.life-progress,.milestone-list,.mode-text-card,.share-section,.wisdom-card{animation:fadeIn .5s ease-out}.age-report-card{animation-delay:.1s}.life-progress{animation-delay:.2s}.milestone-list{animation-delay:.3s}.mode-text-card{animation-delay:.4s}.share-section{animation-delay:.5s}.wisdom-card{animation-delay:.6s}