:root{--bg:#fafaf9;--card:#fff;--text:#1c1917;--muted:#78716c;--border:#e7e5e4;--primary:#16a34a;--primary-hover:#15803d}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.header{background:var(--card);border-bottom:1px solid var(--border);padding:.75rem 1rem;justify-content:space-between;position:-webkit-sticky;position:sticky;top:0;z-index:100}.header,.header-left{display:flex;align-items:center}.header-left{gap:1rem}.header-logo{text-decoration:none}.header-tagline{color:var(--muted);font-size:.85rem;display:none}@media (min-width:640px){.header-tagline{display:block}}.header-nav{display:flex;gap:1.5rem}.header-nav a{color:var(--muted);text-decoration:none;font-size:.95rem;font-weight:500;transition:color .15s}.header-nav a:hover{color:var(--primary)}.hero{text-align:center;margin-bottom:2rem}.hero h1{font-size:1.75rem;margin-bottom:.5rem;color:var(--text)}.hero p{color:var(--muted);font-size:1rem;max-width:500px;margin:0 auto}.container{max-width:800px;margin:0 auto;padding:2rem 1rem}h1{font-size:2rem;margin-bottom:.5rem;color:var(--primary)}.subtitle{color:var(--muted);margin-bottom:2rem}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.5rem;margin-bottom:1.5rem}.card h2{font-size:1.1rem}.card h2,.form-group{margin-bottom:1rem}label{display:block;font-size:.9rem;color:var(--muted);margin-bottom:.25rem}input,select,textarea{width:100%;padding:.75rem;border:1px solid var(--border);border-radius:8px;font-size:1rem;background:var(--bg)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary)}.row{display:grid;grid-template-columns:1fr 1fr;grid-gap:1rem;gap:1rem}.checkbox-group{display:flex;flex-wrap:wrap;gap:.5rem}.checkbox-group label{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;border:1px solid var(--border);border-radius:6px;cursor:pointer;font-size:.9rem;color:var(--text)}.checkbox-group input:checked+span{color:var(--primary)}.checkbox-group input{width:auto}button{background:var(--primary);color:#fff;border:none;padding:1rem 2rem;border-radius:8px;font-size:1rem;cursor:pointer;width:100%}button:hover{background:var(--primary-hover)}button:disabled{opacity:.6;cursor:not-allowed}.garden-grid{display:grid;grid-gap:3px;gap:3px;background:#44403c;padding:3px;border-radius:12px;margin:1rem 0;max-width:100%;overflow:visible}.garden-cell{aspect-ratio:1;border-radius:6px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:.65rem;text-align:center;padding:6px;color:#fff;font-weight:500;min-width:70px;min-height:70px;text-shadow:0 1px 2px rgba(0,0,0,.3);transition:transform .15s ease,box-shadow .15s ease;cursor:pointer;position:relative}.garden-cell:hover{transform:scale(1.1);box-shadow:0 8px 20px rgba(0,0,0,.3);z-index:10}.garden-cell .plant-icon{font-size:1.5rem;margin-bottom:2px;filter:drop-shadow(0 1px 1px rgba(0,0,0,.2))}.garden-cell .plant-name{font-weight:600;font-size:.7rem;line-height:1.2}.garden-cell .plant-qty{font-size:.55rem;opacity:.9;margin-top:2px}.garden-cell .plant-spacing{font-size:.5rem;opacity:.85;margin-top:2px;font-style:italic}.grid-legend{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}.grid-legend .legend-item{display:flex;align-items:center;gap:.35rem;font-size:.85rem;color:var(--muted)}.grid-legend .legend-icon{font-size:1rem}.grid-legend .legend-color{width:14px;height:14px;border-radius:4px}.shopping-list{margin-top:.5rem}.shopping-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem 0;border-bottom:1px solid var(--border)}.shopping-item:last-child{border-bottom:none}.shopping-item a{color:var(--primary);text-decoration:none;font-size:.9rem}.shopping-item a:hover{text-decoration:underline}.plant-legend{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}.legend-item{display:flex;align-items:center;gap:.5rem;font-size:.85rem}.legend-color{width:16px;height:16px;border-radius:4px}.calendar{margin-top:1rem}.calendar-item{display:flex;justify-content:space-between;padding:.75rem 0;border-bottom:1px solid var(--border)}.calendar-item:last-child{border-bottom:none}.affiliate-link{display:inline-block;margin-top:1rem;padding:.75rem 1rem;background:#fef3c7;border:1px solid #fcd34d;border-radius:8px;color:#92400e;text-decoration:none;font-size:.9rem}.affiliate-link:hover{background:#fde68a}.loading{text-align:center;padding:2rem;color:var(--muted)}.error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:1rem;border-radius:8px;margin-bottom:1rem}@media print{.affiliate-link,.header,button{display:none}.card{page-break-inside:avoid;break-inside:avoid}}.breadcrumb{display:inline-block;color:var(--primary);text-decoration:none;font-size:.9rem;margin-bottom:1rem}.breadcrumb:hover{text-decoration:underline}.guide-card{transition:border-color .15s,box-shadow .15s}.guide-card:hover{border-color:var(--primary);box-shadow:0 4px 12px rgba(22,163,74,.1)}.loading-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:1000}.loading-dialog{background:#fff;padding:2rem 3rem;border-radius:16px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.3);width:320px}.loading-spinner{width:48px;height:48px;border:4px solid #e7e5e4;border-top-color:#16a34a;border-radius:50%;margin:0 auto 1.5rem;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.loading-message{font-size:1.1rem;color:#1f2937;margin-bottom:1.5rem;min-height:1.5em}.loading-bar{height:8px;background:#e7e5e4;border-radius:4px;overflow:hidden}.loading-bar-fill{height:100%;background:linear-gradient(90deg,#16a34a,#22c55e,#16a34a);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite;width:100%}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.guide-content h1{font-size:2rem;margin-bottom:1rem;color:var(--primary)}.guide-content h2{font-size:1.4rem;margin:2rem 0 1rem;color:var(--text)}.guide-content h3{font-size:1.1rem;margin:1.5rem 0 .75rem}.guide-content p{margin-bottom:1rem}.guide-content ol,.guide-content ul{margin:1rem 0;padding-left:1.5rem}.guide-content li{margin-bottom:.5rem}.guide-content table{width:100%;border-collapse:collapse;margin:1rem 0}.guide-content td,.guide-content th{padding:.75rem;border:1px solid var(--border);text-align:left}.guide-content th{background:var(--bg);font-weight:600}.guide-content blockquote{background:#f0fdf4;border-left:4px solid var(--primary);padding:1rem;margin:1rem 0}.guide-content a{color:var(--primary)}.guide-content hr{border:none;border-top:1px solid var(--border);margin:2rem 0}.guide-content code{background:var(--bg);padding:.2rem .4rem;border-radius:4px;font-size:.9rem}.guide-content pre{background:var(--bg);padding:1rem;border-radius:8px;overflow-x:auto;margin:1rem 0}