:root{--bg:#f4f7f1;--card:#ffffff;--text:#182219;--muted:#4c5d4f;--primary:#0f7f63;--primary-dark:#0b5f4a;--radius:16px}*{box-sizing:border-box}body{margin:0;font-family:Avenir Next,Trebuchet MS,sans-serif;color:var(--text);background:radial-gradient(circle at 10% 10%,#d8f3dc,transparent 30%),radial-gradient(circle at 90% 30%,#ffe8cc,transparent 30%),var(--bg)}a{color:inherit}.topbar{position:-webkit-sticky;position:sticky;top:0;background:rgba(255,255,255,.9);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid #d8dfd4;display:flex;justify-content:space-between;align-items:center;padding:12px 16px;z-index:10}.brand,.topbar nav a{text-decoration:none;margin-left:12px;font-weight:600}.container{width:min(980px,96vw);margin:16px auto 32px}.card{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:0 5px 20px rgba(7,26,13,.08);margin-bottom:14px}.list{grid-gap:10px}.list,.split{display:grid;gap:10px}.split{grid-template-columns:1fr}.grid,.split{grid-gap:10px}.grid{display:grid;gap:10px}.inline{display:flex;gap:8px;align-items:center;flex-wrap:wrap}button,input,select,textarea{width:100%;padding:10px 12px;border-radius:12px;border:1px solid #ced8cf;font:inherit}textarea{min-height:90px;resize:vertical}.btn{background:var(--primary);border:0;color:#fff;font-weight:700;cursor:pointer;text-decoration:none;display:inline-block;text-align:center}.btn.secondary{background:#d7e6dc;color:#12341f}.btn:hover{background:var(--primary-dark)}.hint{color:var(--muted);font-size:.9rem}.chips{display:flex;flex-wrap:wrap;gap:8px}.chips label{background:#eef3ee;border-radius:999px;padding:6px 10px;font-size:.9rem}.invite-card{color:#fff;background-size:cover;background-position:50%}.invite-card.gradient.sunset{background-image:linear-gradient(135deg,#ff7e5f,#feb47b)}.invite-card.gradient.mint{background-image:linear-gradient(135deg,#43cea2,#185a9d)}.invite-card.gradient.ocean{background-image:linear-gradient(135deg,#2b5876,#4e4376)}.invite-card.gradient.peach{background-image:linear-gradient(135deg,#ed4264,#ffedbc)}.invite-card.gradient.night{background-image:linear-gradient(135deg,#141e30,#243b55)}@media (min-width:760px){.split{grid-template-columns:repeat(2,1fr)}}