:root{--bg:#f2efe6;--bg-soft:rgba(255,252,245,0.74);--panel:rgba(255,251,245,0.78);--line:rgba(78,71,54,0.12);--text:#2d3428;--muted:#6d705f;--green:#6a8b5b;--green-deep:#445f39;--gold:#a98647;--shadow:0 22px 60px rgba(73,61,33,0.08)}*{box-sizing:border-box}html{background:radial-gradient(circle at top,rgba(208,223,194,.9),transparent 36%),linear-gradient(180deg,#f7f5ef 0,var(--bg) 100%)}body{margin:0;color:var(--text);font-family:Georgia,Iowan Old Style,Palatino Linotype,serif;min-height:100vh}button,textarea{font:inherit}.shell{width:min(1180px,calc(100vw - 32px));margin:0 auto;padding:32px 0 72px}.hero{display:grid;grid-template-columns:1.4fr .9fr;grid-gap:24px;gap:24px;align-items:end;margin-bottom:24px}.hero-seed{min-height:100vh;place-items:center;text-align:center;grid-template-columns:1fr;align-content:center}.seed-orbit{width:180px;height:180px;display:grid;place-items:center;border-radius:999px;margin:0 auto 24px;background:radial-gradient(circle,rgba(255,255,255,.9),rgba(214,228,199,.14));animation:breathe 5.6s ease-in-out infinite}.seed{width:24px;height:34px;border-radius:50% 50% 45% 45%;background:linear-gradient(180deg,#c59a57,#8f6b3f);box-shadow:0 12px 24px rgba(121,94,49,.24);transform:rotate(-10deg)}.eyebrow,.panel-kicker,.stat-label{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}h1,h2,strong{font-weight:500}h1{font-size:clamp(2.8rem,5vw,5.6rem);line-height:.95;margin:0;max-width:9ch}h2{font-size:clamp(1.8rem,3vw,2.5rem);margin:4px 0 0}.intro{font-size:1.08rem;line-height:1.7;max-width:46ch;color:var(--muted)}.forest-card,.hero-stats,.panel,.timeline-item{background:var(--panel);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--line);box-shadow:var(--shadow)}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px;padding:16px;border-radius:28px}.forest-card,.hero-stats div{display:grid;grid-gap:4px;gap:4px}.hero-stats strong{font-size:1.5rem}.content-grid{display:grid;grid-template-columns:1.4fr .6fr;grid-gap:24px;gap:24px}.forest-card,.panel,.timeline-item{border-radius:28px}.panel{padding:24px}.panel-tree{min-height:720px}.panel-heading{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.panel-meta{color:var(--muted);max-width:18ch;text-align:right}.tree-canvas{width:100%;height:auto;margin-top:4px}.leaf{transform-origin:center;transform-box:fill-box;opacity:1}.leaf-new{opacity:0;animation:leafGrow 2.8s cubic-bezier(.16,1,.3,1) forwards}.composer{display:grid;grid-gap:12px;gap:12px;margin-top:24px}.composer textarea{width:100%;min-height:180px;border:1px solid rgba(78,71,54,.1);border-radius:20px;padding:18px 20px;background:rgba(255,255,255,.66);resize:vertical;outline:none;color:var(--text);line-height:1.7}.composer textarea:disabled{opacity:.56}.composer-footer{display:flex;justify-content:space-between;gap:12px;align-items:center;color:var(--muted)}.primary-button{border:0;border-radius:999px;padding:14px 22px;background:linear-gradient(180deg,var(--green) 0,var(--green-deep) 100%);color:#f6f3ea;cursor:pointer;transition:transform .18s ease,opacity .18s ease}.primary-button:disabled{cursor:not-allowed;opacity:.45}.forest-card:hover,.primary-button:hover:not(:disabled){transform:translateY(-1px)}.rules{margin-top:18px;color:var(--muted);line-height:1.6}.forest,.timeline{margin-top:24px}.forest-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:16px;gap:16px;margin-top:16px}.forest-card{text-align:left;border:1px solid var(--line);padding:18px;cursor:pointer;color:var(--text)}.forest-card.active{border-color:rgba(80,102,64,.4);background:rgba(236,242,230,.92)}.forest-card-empty{min-height:120px;place-content:center}.timeline-list{display:grid;grid-gap:14px;gap:14px;margin-top:16px}.timeline-item{padding:18px 20px}.timeline-item span{display:block;color:var(--muted);margin-bottom:8px}.timeline-item p{margin:0;font-size:1.05rem;line-height:1.7}.empty-tree,.timeline-empty{display:grid;place-items:center;min-height:420px;color:var(--muted)}@keyframes breathe{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes leafGrow{0%{opacity:0;transform:scale(.1) translateY(16px)}35%{opacity:0}65%{opacity:.8;transform:scale(.78) translateY(3px)}85%{transform:scale(1.04) translateY(-.5px)}to{opacity:1;transform:scale(1) translateY(0)}}@media (max-width:960px){.content-grid,.hero{grid-template-columns:1fr}.hero-stats{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:640px){.shell{width:min(100vw - 20px,1180px);padding-top:20px}h1{max-width:100%}.hero-stats{grid-template-columns:1fr}.forest-card,.panel,.timeline-item{border-radius:22px}.composer-footer,.panel-heading{flex-direction:column;align-items:flex-start}.panel-meta{text-align:left}.primary-button{width:100%}}