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ease}.calculate-btn:active{transform:scale(.97)}.calculate-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.usage-hint{margin-top:12px;font-size:13px;color:var(--tg-theme-hint-color)}.history-section{margin-top:24px}.section-title{font-size:15px;font-weight:600;margin-bottom:12px;color:var(--tg-theme-hint-color)}.history-list{display:flex;flex-direction:column;gap:8px}.history-item{display:flex;align-items:center;gap:10px;padding:12px 16px;border:none;border-radius:12px;background:var(--tg-theme-secondary-bg-color);color:var(--tg-theme-text-color);font-size:15px;cursor:pointer;transition:opacity .2s ease;text-align:left;width:100%}.history-item:active{opacity:.7}.history-icon{font-size:20px;flex-shrink:0}.history-text{flex:1}.result-phase{padding-bottom:24px}.back-btn{background:none;border:none;color:var(--tg-theme-link-color);font-size:15px;font-weight:500;cursor:pointer;padding:4px 0;margin-bottom:16px}.back-btn:active{opacity:.6}.age-display{text-align:center;padding:32px 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#e91e8c}.birthday-countdown{background:var(--tg-theme-secondary-bg-color);border-radius:16px;padding:20px;text-align:center;margin-bottom:16px}.countdown-title{font-size:15px;font-weight:600;margin-bottom:12px}.countdown-value{font-size:32px;font-weight:800;background:linear-gradient(135deg,#e91e8c,#9b59b6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:14px}.progress-bar-container{width:100%;height:8px;background:#00000014;border-radius:4px;overflow:hidden}.progress-bar-fill{height:100%;background:linear-gradient(90deg,#e91e8c,#9b59b6);border-radius:4px;transition:width .6s ease}.progress-label{margin-top:8px;font-size:13px;color:var(--tg-theme-hint-color)}.fun-fact{background:linear-gradient(135deg,#e91e8c14,#9b59b614);border-radius:14px;padding:16px 20px;text-align:center;font-size:15px;font-weight:500;margin-bottom:16px;line-height:1.5}.premium-stats{margin-bottom:16px}.premium-stats 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ease}.modal-close{position:absolute;top:16px;right:16px;background:var(--tg-theme-secondary-bg-color);border:none;width:32px;height:32px;border-radius:50%;font-size:14px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--tg-theme-hint-color)}.modal-icon{font-size:56px;margin-bottom:12px}.modal-title{font-size:22px;font-weight:700;margin-bottom:8px}.modal-description{font-size:15px;color:var(--tg-theme-hint-color);margin-bottom:20px;line-height:1.5}.modal-features{list-style:none;text-align:left;margin:0 auto 24px;max-width:260px}.modal-features li{padding:6px 0;font-size:15px;font-weight:500}.modal-buy-btn{width:100%;padding:16px;font-size:17px;font-weight:700;border:none;border-radius:14px;background:linear-gradient(135deg,#f7b731,#f5a623);color:#fff;cursor:pointer;transition:opacity .2s ease,transform .1s ease}.modal-buy-btn:active{transform:scale(.97)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}:root{--tg-theme-bg-color: #ffffff;--tg-theme-text-color: #000000;--tg-theme-hint-color: #999999;--tg-theme-link-color: #2678b6;--tg-theme-button-color: #50a8eb;--tg-theme-button-text-color: #ffffff;--tg-theme-secondary-bg-color: #f0f0f0}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--tg-theme-bg-color);color:var(--tg-theme-text-color);min-height:100vh;-webkit-font-smoothing:antialiased}