:root{--green-50: #f0fdf4;--green-100: #dcfce7;--green-200: #bbf7d0;--green-300: #86efac;--green-400: #4ade80;--green-500: #22c55e;--green-600: #16a34a;--green-700: #15803d;--green-800: #166534;--green-900: #14532d;--amber-100: #fef3c7;--amber-200: #fde68a;--amber-600: #d97706}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6;color:#1a2e1a;background:linear-gradient(160deg,#f0fdf4,#ecfdf5 30%,#f7fee7)}.app{max-width:1200px;margin:0 auto;padding:2rem 1.5rem 4rem}.header{text-align:center;margin-bottom:2.5rem}.title{font-size:2.75rem;font-weight:800;letter-spacing:-.03em;color:var(--green-900);margin-bottom:.25rem}.title:before{content:"🌳 "}.title:after{content:" 🌿"}.subtitle{font-size:1.1rem;color:#4a7c59;font-weight:400}.controls{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.25rem}.search-input{width:100%;padding:.75rem 1rem;border:2px solid var(--green-200);border-radius:.75rem;font-size:1rem;background:#fff;color:#1a2e1a;outline:none;transition:border-color .2s,box-shadow .2s}.search-input::placeholder{color:#8db99a}.search-input:focus{border-color:var(--green-400);box-shadow:0 0 0 3px #4ade8026}.category-filters{display:flex;flex-wrap:wrap;gap:.5rem}.filter-btn{padding:.5rem 1rem;border:2px solid var(--green-200);border-radius:2rem;background:#fff;color:var(--green-700);font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s}.filter-btn:hover{background:var(--green-100);border-color:var(--green-300)}.filter-btn.active{background:var(--green-600);border-color:var(--green-600);color:#fff}.results-count{font-size:.85rem;color:#6b9e7d;margin-bottom:1.5rem;font-weight:500}.tree-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:1.25rem}.tree-card{background:#fff;border:1px solid var(--green-100);border-radius:1rem;padding:1.5rem;cursor:pointer;transition:all .25s ease;position:relative;overflow:hidden}.tree-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--green-400),var(--green-600));opacity:0;transition:opacity .25s}.tree-card:hover{border-color:var(--green-300);box-shadow:0 4px 20px #16a34a14;transform:translateY(-2px)}.tree-card:hover:before{opacity:1}.tree-card.expanded{border-color:var(--green-400);box-shadow:0 8px 30px #16a34a1f}.tree-card.expanded:before{opacity:1}.card-header{display:flex;align-items:flex-start;gap:.75rem;margin-bottom:.75rem}.tree-emoji{font-size:2rem;line-height:1;flex-shrink:0}.tree-name{font-size:1.25rem;font-weight:700;color:var(--green-900);line-height:1.2}.scientific-name{font-size:.8rem;color:#7da88c;font-style:italic;font-weight:500}.category-badge{margin-left:auto;padding:.2rem .6rem;border-radius:1rem;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;background:var(--green-100);color:var(--green-700);flex-shrink:0;white-space:nowrap}.description{font-size:.9rem;color:#4a6b52;line-height:1.65;margin-bottom:.75rem}.details{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--green-100);animation:slideDown .3s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.stats{display:flex;gap:1.5rem;margin-bottom:1rem}.stat{display:flex;flex-direction:column}.stat-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:#8db99a;font-weight:700}.stat-value{font-size:1rem;font-weight:700;color:var(--green-800)}.fun-fact{background:linear-gradient(135deg,var(--green-50),#fefce8);border:1px solid var(--amber-200);border-radius:.75rem;padding:.85rem 1rem;font-size:.85rem;color:#713f12;line-height:1.6}.fun-fact strong{color:var(--amber-600)}.expand-hint{display:block;margin-top:.75rem;font-size:.75rem;color:var(--green-400);font-weight:600;text-align:right}.no-results{text-align:center;padding:4rem 1rem;color:#7da88c;font-size:1.1rem}@media(max-width:480px){.app{padding:1.25rem 1rem 3rem}.title{font-size:2rem}.tree-grid{grid-template-columns:1fr}.category-filters{overflow-x:auto;flex-wrap:nowrap;padding-bottom:.25rem}.filter-btn{white-space:nowrap}}