:root{--color-primary: #2d5016;--color-primary-light: #4a7c59;--color-secondary: #8fbc8f;--color-accent: #f4a261;--color-success: #2d5016;--color-error: #d63384;--color-warning: #f76707;--color-text-primary: #1a1a1a;--color-text-secondary: #666;--color-text-muted: #888;--color-bg-primary: #ffffff;--color-bg-secondary: #f8f9fa;--color-bg-accent: #f1f8e9;--color-border: #e0e0e0;--color-border-focus: var(--color-primary);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--border-radius-sm: 4px;--border-radius-md: 8px;--border-radius-lg: 12px;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .1);--shadow-md: 0 4px 8px rgba(0, 0, 0, .12);--shadow-lg: 0 8px 16px rgba(0, 0, 0, .15);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease}*{box-sizing:border-box}.tree-page{max-width:1200px;margin:0 auto;padding:var(--spacing-md);font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.6;color:var(--color-text-primary)}.tree-product{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-2xl);margin-bottom:var(--spacing-2xl);align-items:start}.tree-image-container{position:relative;border-radius:var(--border-radius-lg);overflow:hidden;background:var(--color-bg-secondary);box-shadow:var(--shadow-md)}.tree-image{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;transition:transform var(--transition-slow)}.tree-image:hover{transform:scale(1.02)}.tree-details{padding:var(--spacing-md) 0}.tree-header-info{margin-bottom:var(--spacing-lg)}.tree-title{font-size:2.25rem;font-weight:700;color:var(--color-primary);margin:0 0 var(--spacing-md) 0;line-height:1.2}.tree-title.continent-europe{color:var(--europe-color, var(--color-primary))}.tree-title.continent-afrique{color:var(--africa-color, var(--color-primary))}.tree-title.continent-asie{color:var(--asia-color, var(--color-primary))}.tree-title.continent-amerique-du-sud,.tree-title.continent-amérique-du-sud{color:var(--south-america-color, var(--color-primary))}.tree-title.continent-amerique-du-nord,.tree-title.continent-amérique-du-nord{color:var(--north-america-color, var(--color-primary))}.tree-title.continent-australie{color:var(--australia-color, var(--color-primary))}.tree-title.continent-default{color:var(--color-primary)}.tree-meta{display:flex;flex-direction:column;gap:var(--spacing-sm)}.tree-location,.tree-project-ref{display:flex;align-items:center;gap:var(--spacing-sm);font-size:.95rem;color:var(--color-text-secondary)}.tree-location img,.tree-project-ref img{width:18px;height:18px;opacity:.7}.tree-description{margin-bottom:var(--spacing-lg)}.tree-description p{font-size:1.1rem;line-height:1.7;margin:0;color:var(--color-text-secondary)}.tree-price{display:flex;align-items:baseline;gap:var(--spacing-sm);margin-bottom:var(--spacing-xl);padding:var(--spacing-md);background:var(--color-bg-accent);border-radius:var(--border-radius-md);border-left:4px solid var(--color-primary)}.price-value{font-size:2rem;font-weight:700;color:var(--color-primary)}.price-unit{font-size:1rem;color:var(--color-text-secondary);font-weight:500}.cart-message{padding:var(--spacing-md);border-radius:var(--border-radius-md);font-weight:500;margin-bottom:var(--spacing-lg);animation:slideIn var(--transition-normal)}.cart-success{background:#d4edda;color:var(--color-success);border:1px solid #c3e6cb}.cart-error{background:#f8d7da;color:var(--color-error);border:1px solid #f5c2c7}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.tree-purchase{display:flex;flex-direction:column;gap:var(--spacing-lg);padding:var(--spacing-xl);background:var(--color-bg-secondary);border-radius:var(--border-radius-lg);border:2px solid var(--color-border)}.quantity-section{display:flex;align-items:center;gap:var(--spacing-md)}.quantity-label{font-weight:600;color:var(--color-text-primary);font-size:1rem}.add-to-cart-btn{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-lg) var(--spacing-xl);background:var(--color-primary);color:#fff;border:none;border-radius:var(--border-radius-md);font-size:1.1rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-sm);min-height:50px}.add-to-cart-btn:hover:not(:disabled){background:var(--color-primary-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}.add-to-cart-btn:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.add-to-cart-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.loading-spinner{width:20px;height:20px;border:2px solid transparent;border-top:2px solid currentColor;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.project-section{background:linear-gradient(135deg,var(--color-bg-accent) 0%,var(--color-bg-secondary) 100%);border-radius:var(--border-radius-lg);padding:var(--spacing-2xl);margin-top:var(--spacing-2xl)}.project-content{display:grid;grid-template-columns:1.2fr 1fr;gap:var(--spacing-2xl);align-items:center}.project-title{font-size:1.1rem;color:var(--color-text-secondary);margin:0 0 var(--spacing-sm) 0;text-transform:uppercase;letter-spacing:.5px;font-weight:600}.project-name{font-size:1.8rem;color:var(--color-primary);margin:0 0 var(--spacing-lg) 0;font-weight:700;line-height:1.3}.project-description{font-size:1.1rem;line-height:1.7;color:var(--color-text-secondary);margin:0 0 var(--spacing-xl) 0}.project-impact{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-lg)}.impact-item{text-align:center;padding:var(--spacing-lg);background:#fff;border-radius:var(--border-radius-md);box-shadow:var(--shadow-sm);transition:transform var(--transition-normal)}.impact-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.impact-number{display:block;font-size:1.5rem;font-weight:700;color:var(--color-primary);margin-bottom:var(--spacing-xs)}.impact-label{display:block;font-size:.9rem;color:var(--color-text-secondary);font-weight:500}.project-image-container{border-radius:var(--border-radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}.project-image{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}@media (max-width: 1024px){.tree-page{padding:var(--spacing-sm)}.tree-product,.project-content{gap:var(--spacing-xl)}.tree-title{font-size:2rem}}@media (max-width: 768px){.tree-product{grid-template-columns:1fr;gap:var(--spacing-lg)}.project-content{grid-template-columns:1fr;text-align:center}.project-image-container{order:-1}.tree-title{font-size:1.75rem}.tree-purchase{padding:var(--spacing-lg)}.quantity-section{flex-direction:column;align-items:stretch;text-align:center}.project-impact{grid-template-columns:1fr;max-width:300px;margin:0 auto}}@media (max-width: 480px){.tree-page{padding:var(--spacing-xs)}.project-section{padding:var(--spacing-lg)}.tree-title{font-size:1.5rem}.price-value{font-size:1.75rem}}.add-to-cart-btn:focus-visible,button:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media (prefers-color-scheme: dark){:root{--color-text-primary: #f0f0f0;--color-text-secondary: #b0b0b0;--color-text-muted: #888;--color-bg-primary: #1a1a1a;--color-bg-secondary: #2d2d2d;--color-bg-accent: #1e3a1e;--color-border: #444}}