*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --green-50:#f0faf4;--green-100:#d8f3dc;--green-200:#b7e4c7;--green-300:#95d5b2;
  --green-400:#74c69d;--green-500:#52b788;--green-600:#40916c;--green-700:#2d6a4f;
  --green-800:#1b4332;--green-900:#081c15;
  --gray-50:#f8f9fa;--gray-100:#e9ecef;--gray-200:#dee2e6;--gray-300:#ced4da;
  --gray-500:#6c757d;--gray-700:#495057;--gray-800:#343a40;--gray-900:#212529;
  --radius:12px;--radius-sm:8px;--shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.06);
  --shadow-md:0 4px 12px rgba(0,0,0,.1);--font:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--font);color:var(--gray-800);background:var(--green-50);line-height:1.6;min-height:100vh}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Header */
.site-header{background:var(--green-800);color:#fff;padding:.75rem 0;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-md)}
.header-inner{max-width:1200px;margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:.5rem;color:#fff;text-decoration:none;font-weight:700;font-size:1.15rem}
.logo .accent{color:var(--green-300)}
.site-nav{display:flex;gap:1.5rem}
.site-nav a{color:var(--green-200);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .15s}
.site-nav a:hover,.site-nav a:focus{color:#fff}

/* App shell */
.app-shell{max-width:1200px;margin:0 auto;padding:2rem 1.5rem;display:grid;grid-template-columns:320px 1fr;gap:2rem;align-items:start}
.panel-title{font-size:1.15rem;font-weight:700;color:var(--green-800);margin-bottom:.75rem}

/* Category panel */
.category-panel{background:#fff;border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);position:sticky;top:72px}
.search-wrap{margin-bottom:1rem}
.search-wrap input{width:100%;padding:.625rem .875rem;border:2px solid var(--gray-200);border-radius:var(--radius-sm);font-size:.9rem;transition:border-color .15s;background:var(--gray-50)}
.search-wrap input:focus{outline:none;border-color:var(--green-500);box-shadow:0 0 0 3px rgba(82,183,136,.2)}
.input-hint{font-size:.75rem;color:var(--gray-500);display:block;margin-top:.25rem}
.category-tabs{display:flex;flex-wrap:wrap;gap:.375rem;margin-bottom:1rem}
.tab-btn{padding:.375rem .75rem;border:1.5px solid var(--green-200);background:var(--green-50);color:var(--green-700);border-radius:20px;font-size:.8rem;font-weight:600;cursor:pointer;transition:all .15s}
.tab-btn:hover,.tab-btn:focus{background:var(--green-100)}
.tab-btn.active{background:var(--green-700);color:#fff;border-color:var(--green-700)}
.item-list{max-height:400px;overflow-y:auto;display:flex;flex-direction:column;gap:2px}
.item-btn{padding:.5rem .75rem;border:none;background:none;text-align:left;font-size:.9rem;color:var(--gray-700);border-radius:var(--radius-sm);cursor:pointer;transition:all .15s}
.item-btn:hover,.item-btn:focus{background:var(--green-50);color:var(--green-800)}
.item-btn[aria-selected="true"]{background:var(--green-100);color:var(--green-800);font-weight:600}
.item-btn.hidden{display:none}

/* Results panel */
.results-panel{background:#fff;border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);min-height:500px}
.results-header{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:1rem;margin-bottom:1rem}
.selected-item{font-size:.95rem;color:var(--gray-500);margin-top:.125rem}
.results-actions{display:flex;gap:.5rem}
.btn-icon{display:inline-flex;align-items:center;gap:.375rem;padding:.5rem .875rem;border:1.5px solid var(--gray-200);background:#fff;border-radius:var(--radius-sm);font-size:.8rem;font-weight:500;color:var(--gray-700);cursor:pointer;transition:all .15s}
.btn-icon:hover:not(:disabled),.btn-icon:focus:not(:disabled){background:var(--gray-50);border-color:var(--green-400);color:var(--green-700)}
.btn-icon:disabled{opacity:.4;cursor:not-allowed}

/* Filter bar */
.filter-bar{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;margin-bottom:1.25rem;padding-bottom:1rem;border-bottom:1px solid var(--gray-100)}
.filter-label{font-size:.8rem;font-weight:600;color:var(--gray-500);text-transform:uppercase;letter-spacing:.03em}
.filter-btn{padding:.375rem .875rem;border:1.5px solid var(--gray-200);background:#fff;border-radius:20px;font-size:.8rem;font-weight:600;color:var(--gray-700);cursor:pointer;transition:all .15s}
.filter-btn:hover,.filter-btn:focus{border-color:var(--green-400);color:var(--green-700)}
.filter-btn.active{background:var(--green-700);color:#fff;border-color:var(--green-700)}

/* Ideas */
.ideas-container{display:flex;flex-direction:column;gap:.75rem}
.empty-state{text-align:center;padding:3rem 1rem;color:var(--gray-500)}
.empty-state svg{margin:0 auto 1rem;display:block;opacity:.6}
.empty-state h3{color:var(--gray-700);margin-bottom:.5rem;font-size:1.1rem}
.idea-card{border:1.5px solid var(--gray-100);border-radius:var(--radius-sm);padding:1rem 1.25rem;transition:box-shadow .15s}
.idea-card:hover{box-shadow:var(--shadow-md)}
.idea-card.hidden{display:none}
.idea-header{display:flex;justify-content:space-between;align-items:flex-start;gap:.75rem;margin-bottom:.375rem}
.idea-title{font-size:1rem;font-weight:600;color:var(--gray-800)}
.idea-badges{display:flex;gap:.375rem;flex-shrink:0}
.badge{padding:.2rem .625rem;border-radius:20px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em}
.badge-effort-no-tools{background:#d4edda;color:#155724}
.badge-effort-basic-tools{background:#fff3cd;color:#856404}
.badge-effort-project{background:#f8d7da;color:#721c24}
.badge-saved{background:#e8d5f5;color:#5b2c8e}
.idea-materials{font-size:.8rem;color:var(--gray-500);margin-bottom:.375rem}
.idea-materials strong{color:var(--gray-700)}
.idea-desc{font-size:.9rem;color:var(--gray-700);line-height:1.5}
.idea-warning{margin-top:.5rem;padding:.5rem .75rem;background:#fff3cd;border-radius:var(--radius-sm);font-size:.8rem;color:#856404}
.idea-warning::before{content:"⚠ "}
.btn-save-heart{background:none;border:none;cursor:pointer;padding:.25rem;font-size:1.25rem;line-height:1;transition:transform .15s;color:var(--gray-300)}
.btn-save-heart:hover{transform:scale(1.15)}
.btn-save-heart.saved{color:#e74c3c}

/* Supporting content */
.supporting-content{max-width:1200px;margin:0 auto;padding:0 1.5rem 3rem}
.sc-inner{display:flex;flex-direction:column;gap:2rem}
.sc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem}
.sc-card{background:#fff;border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}
.sc-card h3{font-size:1rem;font-weight:700;color:var(--green-800);margin-bottom:.5rem}
.sc-card p{font-size:.9rem;color:var(--gray-700);line-height:1.6}
.print-checklist{background:#fff;border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}
.print-checklist h3{font-size:1.1rem;font-weight:700;color:var(--green-800);margin-bottom:.375rem}
.print-checklist>p{font-size:.9rem;color:var(--gray-700);margin-bottom:1rem}
.btn-primary{padding:.75rem 1.5rem;background:var(--green-700);color:#fff;border:none;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;transition:background .15s}
.btn-primary:hover,.btn-primary:focus{background:var(--green-800)}
.checklist{list-style:none;display:grid;gap:.375rem;margin-top:1rem}
.checklist li{font-size:.9rem;color:var(--gray-700);padding:.375rem 0;border-bottom:1px solid var(--gray-100)}
.checklist li:last-child{border-bottom:none}
.sc-faq{background:#fff;border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}
.sc-faq h3{font-size:1.1rem;font-weight:700;color:var(--green-800);margin-bottom:1rem}
.sc-faq dl{display:grid;gap:1rem}
.sc-faq dt{font-weight:600;color:var(--gray-800);font-size:.95rem}
.sc-faq dd{font-size:.9rem;color:var(--gray-700);line-height:1.6;margin:0}

/* Footer */
.site-footer{background:var(--green-900);color:var(--green-200);padding:1.5rem 0;margin-top:2rem}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.5rem;font-size:.8rem}
.footer-inner a{color:var(--green-300);text-decoration:none}
.footer-inner a:hover{color:#fff}
.footer-inner nav{display:flex;gap:1rem}

/* Toast */
.toast{position:fixed;bottom:1.5rem;left:50%;transform:translateX(-50%) translateY(100px);background:var(--gray-900);color:#fff;padding:.75rem 1.25rem;border-radius:var(--radius-sm);font-size:.85rem;opacity:0;transition:all .3s;z-index:999;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* Print */
@media print{
  .site-header,.site-footer,.category-panel,.filter-bar,.results-actions,.btn-save-heart,.supporting-content .print-checklist details,.sc-faq,.sc-grid,.btn-primary,.site-nav{display:none!important}
  .app-shell{grid-template-columns:1fr;padding:0}
  .results-panel{box-shadow:none;padding:0}
  .idea-card{break-inside:avoid}
  .supporting-content{display:block}
  .print-checklist{box-shadow:none;padding:0}
  .print-checklist .checklist{display:block}
}

/* Responsive */
@media(max-width:860px){
  .app-shell{grid-template-columns:1fr}
  .category-panel{position:static}
  .item-list{max-height:250px}
}
@media(max-width:520px){
  .header-inner,.footer-inner{padding:0 1rem}
  .app-shell{padding:1rem}
  .results-header{flex-direction:column}
  .results-actions{width:100%;justify-content:flex-start}
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}