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var(--color-primary-light);box-shadow:-8px 0 32px rgba(0,0,0,.5),-4px 0 16px rgba(76,175,80,.15)}html[data-theme=dark] .mobile-menu-drawer::before{background-image:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(255,255,255,.02) 2px,rgba(255,255,255,.02) 4px)}html[data-theme=dark] .mobile-menu-link{color:rgba(255,255,255,.95)}html[data-theme=dark] .mobile-menu-link:focus-visible,html[data-theme=dark] .mobile-menu-link:hover{color:#fff}html[data-theme=dark] .mobile-menu-link.active{color:var(--color-primary-light);background:rgba(76,175,80,.15)}html[data-theme=dark] .mobile-menu-divider{background:linear-gradient(90deg,var(--color-primary-light) 0,rgba(255,255,255,.15) 20%,rgba(255,255,255,.15) 80%,transparent 100%)}html[data-theme=dark] .theme-toggle-label{color:rgba(255,255,255,.95)}html[data-theme=dark] .mobile-menu-close{color:rgba(255,255,255,.9);border-color:rgba(76,175,80,.4)}html[data-theme=dark] 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var(--transition-fast)}.water-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.water-slider::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:var(--color-primary);cursor:pointer;box-shadow:var(--shadow-base);border:none}.slider-value{text-align:center;font-size:var(--font-size-2xl);font-weight:700;color:var(--color-primary);margin-top:var(--spacing-base)}.gender-toggle{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-sm)}.gender-btn{padding:var(--spacing-base) var(--spacing-lg);background:var(--color-bg-light);border:2px solid var(--color-border);border-radius:var(--border-radius-base);font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.gender-btn:hover{border-color:var(--color-primary)}.gender-btn.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.activity-compact{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-sm)}.activity-option{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-base);background:var(--color-bg-light);border:2px solid var(--color-border);border-radius:var(--border-radius-base);cursor:pointer;transition:all var(--transition-fast);text-align:center}.activity-option:hover{border-color:var(--color-primary);transform:translateY(-2px)}.activity-option.active{background:rgba(46,125,50,.1);border-color:var(--color-primary)}.activity-option-icon{width:32px;height:32px;color:var(--color-primary)}.activity-option-text{font-size:var(--font-size-sm);font-weight:600;color:var(--color-text)}.climate-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-sm)}.climate-btn{padding:var(--spacing-base);background:var(--color-bg-light);border:2px solid var(--color-border);border-radius:var(--border-radius-base);font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.climate-btn:hover{border-color:var(--color-primary)}.climate-btn.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.visualization-section{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-2xl)}.water-bottle-container{position:relative;width:200px}.bottle-cap{width:60px;height:20px;background:linear-gradient(135deg,#666,#888);border-radius:8px 8px 0 0;margin:0 auto var(--spacing-xs);box-shadow:var(--shadow-sm)}.bottle-outline{position:relative;width:100%;height:400px;background:linear-gradient(135deg,rgba(100,200,255,.1),rgba(0,150,255,.1));border:4px solid var(--color-primary);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-md)}.water-fill{position:absolute;bottom:0;left:0;right:0;height:0%;background:linear-gradient(180deg,#4fc3f7 0,#29b6f6 50%,#03a9f4 100%);transition:height .8s cubic-bezier(.4, 0, .2, 1)}.water-wave{position:absolute;top:-10px;left:0;width:200%;height:20px;background:rgba(255,255,255,.3);border-radius:50%;animation:wave 3s infinite ease-in-out}@keyframes wave{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-5px)}}.bottle-label{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:var(--font-size-3xl);font-weight:800;color:var(--color-primary);text-shadow:0 2px 4px rgba(0,0,0,.1);z-index:10}.result-display{text-align:center;width:100%}.result-number{font-size:clamp(2.5rem, 5vw, 4rem);font-weight:800;color:var(--color-primary);line-height:1;margin-bottom:var(--spacing-sm)}.result-label{font-size:var(--font-size-xl);color:var(--color-text-light);margin-bottom:var(--spacing-xl)}.glasses-display{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-base);margin-top:var(--spacing-xl)}.glass-option{padding:var(--spacing-lg);background:var(--color-bg-light);border:2px solid var(--color-border);border-radius:var(--border-radius-lg);text-align:center}.glass-size{font-size:var(--font-size-sm);color:var(--color-text-light);margin-bottom:var(--spacing-xs)}.glass-text{font-size:var(--font-size-xs);color:var(--color-text-light);margin-bottom:var(--spacing-sm)}.glass-count{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-primary)}@media (max-width:768px){.tool-hero{padding:var(--spacing-2xl) var(--spacing-lg)}.calculator-card{padding:var(--spacing-lg)}.input-grid{grid-template-columns:1fr}.activity-cards{grid-template-columns:1fr}.goal-cards{grid-template-columns:1fr}.step-label{font-size:var(--font-size-xxs)}.progress-steps{margin-bottom:var(--spacing-xl)}.calculator-layout{grid-template-columns:1fr;gap:var(--spacing-xl)}.activity-compact{grid-template-columns:repeat(2,1fr)}.climate-buttons{grid-template-columns:1fr}.glasses-display{grid-template-columns:1fr}.water-bottle-container{width:150px}.bottle-outline{height:300px}}.weight-calculator{max-width:800px;margin:0 auto}.glass{background:rgba(255,255,255,.8);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.3)}.animate-on-scroll{animation:fadeIn .8s ease-out}.calculator-inputs{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-lg);margin-bottom:var(--spacing-2xl)}.input-group.full-width{grid-column:1/-1}.gender-select{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-base)}.gender-option{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-xl);background:var(--color-bg-light);border:3px solid var(--color-border);border-radius:var(--border-radius-lg);cursor:pointer;transition:all var(--transition-fast);text-align:center;font-weight:600;font-size:var(--font-size-lg)}.gender-option:hover{border-color:var(--color-primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.gender-option.selected{border-color:var(--color-primary);background:rgba(46,125,50,.05);color:var(--color-primary)}.gender-icon{width:48px;height:48px;color:var(--color-primary)}.btn-calculate{width:100%;padding:var(--spacing-lg) var(--spacing-2xl);background:var(--color-primary);color:#fff;border:none;border-radius:var(--border-radius-base);font-size:var(--font-size-lg);font-weight:700;cursor:pointer;transition:all var(--transition-fast);text-transform:uppercase;letter-spacing:.5px}.btn-calculate:hover{background:var(--color-secondary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-calculate:active{transform:translateY(0)}@media (max-width:768px){.calculator-inputs{grid-template-columns:1fr}.gender-option{padding:var(--spacing-base)}.gender-icon{width:36px;height:36px}}.page-header{text-align:center;margin-bottom:var(--spacing-2xl)}.page-description{font-size:var(--font-size-lg);color:var(--color-text-light);max-width:700px;margin:var(--spacing-base) auto 0;line-height:var(--line-height-relaxed)}.input-description{display:block;font-size:var(--font-size-sm);color:var(--color-text-light);margin-top:var(--spacing-xs);font-style:italic}.calculate-button{width:100%;padding:var(--spacing-lg) var(--spacing-2xl);background:var(--color-primary);color:#fff;border:none;border-radius:var(--border-radius-base);font-size:var(--font-size-lg);font-weight:700;cursor:pointer;transition:all var(--transition-fast);text-transform:uppercase;letter-spacing:.5px;margin-bottom:var(--spacing-lg)}.calculate-button:hover{background:var(--color-secondary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.calculate-button:active{transform:translateY(0)}.privacy-note{display:flex;align-items:flex-start;gap:var(--spacing-sm);padding:var(--spacing-base);background:rgba(33,150,243,.05);border:1px solid rgba(33,150,243,.2);border-radius:var(--border-radius-base);font-size:var(--font-size-sm);color:var(--color-text)}.privacy-note svg{width:20px;height:20px;color:#2196f3;flex-shrink:0;margin-top:2px}@media (max-width:768px){.page-description{font-size:var(--font-size-base)}}.sleep-calculator{max-width:900px;margin:0 auto}.mode-toggle{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-sm);margin-bottom:var(--spacing-2xl)}.mode-button{padding:var(--spacing-base) var(--spacing-lg);background:var(--color-bg-light);border:2px solid var(--color-border);border-radius:var(--border-radius-base);font-size:var(--font-size-base);font-weight:600;cursor:pointer;transition:all var(--transition-fast);color:var(--color-text)}.mode-button:hover{border-color:var(--color-primary);transform:translateY(-2px)}.mode-button.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}@media (max-width:768px){.mode-toggle{grid-template-columns:1fr}}