:root{
  --ink:#1f2330; --muted:#6b7180; --line:#e6e3dc; --bg:#faf7f2; --card:#fff;
  --accent:#c2410c; --accent-2:#ea8a2e; --ok-bg:#e7f5ee; --ok-line:#bfe3cf; --ok-ink:#14663f;
  --err-bg:#fdecea; --err-line:#f2b8b2; --err-ink:#9b241a;
  --going:#1a7f4b; --maybe:#b7791f; --no:#9b2c2c; --pending:#9aa0ac;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.5}
a{color:var(--accent)}
h1,h2,h3{line-height:1.2}
.wrap{max-width:960px;margin:0 auto;padding:24px 18px 64px}
.portal.wrap{max-width:720px}

/* top bar */
.topbar{display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px;background:var(--ink);color:#fff;padding:12px 18px}
.topbar .brand{color:#fff;font-weight:700;text-decoration:none;white-space:nowrap}
.topbar nav{display:flex;gap:16px;flex-wrap:wrap}
.topbar nav a{color:#e7e4dd;text-decoration:none;font-weight:600;font-size:.94rem}
.topbar nav a:hover{color:#fff}
.topbar .who{margin-left:auto;color:#c9c6bf;font-size:.86rem}
.topbar .who a{color:#ffd9a8}

/* cards & forms */
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px 22px;margin:0 0 18px;box-shadow:0 6px 20px -14px rgba(0,0,0,.25)}
.card h2,.card h3{margin-top:0}
label{display:block;font-weight:600;font-size:.85rem;margin:12px 0 4px;color:#3a3f4d}
input[type=text],input[type=email],input[type=tel],input[type=password],input[type=date],select,textarea{
  width:100%;padding:10px 12px;border:1px solid #cfd3da;border-radius:9px;font:inherit;background:#fff}
textarea{resize:vertical;min-height:80px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(194,65,12,.14)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:620px){.row{grid-template-columns:1fr}.topbar .who{margin-left:0}}
.hint{color:var(--muted);font-size:.82rem;font-weight:400;margin-top:2px}
.btn{display:inline-block;border:0;border-radius:999px;padding:11px 22px;font:inherit;font-weight:700;
  background:var(--accent);color:#fff;cursor:pointer;text-decoration:none;box-shadow:0 6px 16px -8px var(--accent)}
.btn:hover{filter:brightness(1.06)}
.btn-sm{padding:6px 14px;font-size:.85rem}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid #cfd3da;box-shadow:none}
.btn-danger{background:#fff;color:var(--no);border:1px solid #e6bcbc;box-shadow:none}

/* flash */
.flash{padding:12px 15px;border-radius:10px;font-weight:600;margin:0 0 16px}
.flash-ok{background:var(--ok-bg);border:1px solid var(--ok-line);color:var(--ok-ink)}
.flash-err{background:var(--err-bg);border:1px solid var(--err-line);color:var(--err-ink)}

/* tables */
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.76rem;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}
.table-wrap{overflow-x:auto}

/* status pills */
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.78rem;font-weight:700}
.pill.going{background:#e3f4ea;color:var(--going)}
.pill.maybe{background:#fbf0da;color:var(--maybe)}
.pill.no{background:#fbe4e4;color:var(--no)}
.pill.pending{background:#eef0f3;color:var(--pending)}

.muted{color:var(--muted)}
.right{text-align:right}
.nowrap{white-space:nowrap}
.stack>*+*{margin-top:10px}
.copy-link{display:flex;gap:8px;align-items:center}
.copy-link input{font-size:.82rem;background:#f6f4ef}

/* login + portal hero */
.auth{max-width:400px;margin:8vh auto}
.hero{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 100%);color:#fff;border-radius:16px;padding:26px 24px;margin-bottom:22px}
.hero h1{margin:.1em 0}
.hero .eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:.78rem;opacity:.9;font-weight:700}
.welcome{white-space:pre-wrap}

/* activity block in portal */
.day-head{margin:26px 0 8px;font-size:1.1rem;color:var(--accent)}
.act{border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:14px;background:#fff}
.act h3{margin:0 0 4px}
.act .meta{color:var(--muted);font-size:.9rem;margin-bottom:8px}
.choices{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0}
.choices label{display:inline-flex;align-items:center;gap:6px;margin:0;padding:8px 14px;border:1px solid #cfd3da;border-radius:999px;cursor:pointer;font-weight:600;font-size:.9rem}
.choices input{accent-color:var(--accent)}
.reveal{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}

/* Invitation grid (spreadsheet-style) */
.grid{border-collapse:separate;border-spacing:0}
.grid th,.grid td{border-bottom:1px solid var(--line);padding:9px 10px}
.grid th.stick,.grid td.stick{position:sticky;left:0;background:var(--card);z-index:2;min-width:150px;box-shadow:1px 0 0 var(--line)}
.grid thead th{position:sticky;top:0;background:var(--card);z-index:1;vertical-align:bottom}
.grid thead th.stick{z-index:3}
.grid th.actcol{text-align:center;min-width:104px}
.grid th.actcol a{display:block;text-transform:none;letter-spacing:0;font-size:.9rem;font-weight:700}
.grid th.actcol .muted{display:block;font-weight:400;font-size:.72rem;text-transform:none;letter-spacing:0}
.grid td.chk{text-align:center}
.grid td.chk input{width:20px;height:20px;accent-color:var(--accent);cursor:pointer}
.grid tbody tr:hover td{background:#faf7f2}
.grid tbody tr:hover td.stick{background:#f3efe8}