:root {
  --bg: #f5f3ee;
  --card: #ffffff;
  --ink: #2b2722;
  --muted: #8a8276;
  --line: #e7e2d8;
  --accent: #d8531f;
  --accent-ink: #ffffff;
  --yes: #2f9e57;
  --yes-bg: #e3f4e9;
  --maybe: #d6a417;
  --maybe-bg: #fbf2d6;
  --no: #cf4d3f;
  --no-bg: #fae3e0;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(43, 39, 34, .06), 0 8px 24px rgba(43, 39, 34, .06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

header {
  padding: 18px 20px;
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -.01em;
  color: var(--ink);
  text-decoration: none;
}

.auth-indicator {
  font-size: .85rem;
  color: var(--muted);
}
.auth-indicator a { color: var(--accent); text-decoration: none; font-weight: 600; }
.auth-indicator a:hover { text-decoration: underline; }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 4px 20px 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 8px 20px 40px;
  color: var(--muted);
  font-size: .85rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

h1 { font-size: 1.6rem; margin: 0 0 8px; letter-spacing: -.02em; }
h2 { font-size: 1.15rem; margin: 0 0 14px; letter-spacing: -.01em; }

.lead { color: var(--muted); margin: 0 0 16px; }

.field { display: block; margin-bottom: 16px; }
.field > span { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
.field em { color: var(--muted); font-weight: 400; font-style: normal; }

input[type=text], input[type=date], textarea {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(216, 83, 31, .15);
}
textarea { resize: vertical; }

.opt-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 8px;
  margin-bottom: 8px;
}
.opt-row .remove {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  color: var(--muted);
  cursor: pointer;
  padding: 0 12px;
}
.opt-row .remove:hover { color: var(--no); border-color: var(--no); }

button { font: inherit; }

/* Weekday generator */
.gen { margin-top: 12px; border-top: 1px dashed var(--line); padding-top: 12px; }
.gen summary {
  cursor: pointer;
  color: var(--accent);
  font-size: .9rem;
  font-weight: 600;
  list-style: none;
}
.gen summary::-webkit-details-marker { display: none; }
.gen summary::before { content: "+ "; }
.gen[open] summary::before { content: "− "; }
.gen-body { padding: 12px 0 4px; display: flex; flex-direction: column; gap: 10px; }
.gen-range { display: flex; gap: 10px; flex-wrap: wrap; }
.gen-range label { flex: 1 1 140px; font-size: .85rem; color: var(--muted); }
.gen-range input { margin-top: 4px; }
.gen-days { display: flex; flex-wrap: wrap; gap: 6px; }
.gen-days .day {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .85rem;
  cursor: pointer;
  user-select: none;
}
.gen-days .day:has(input:checked) {
  border-color: var(--accent);
  background: rgba(216, 83, 31, .08);
  color: var(--accent);
}
.gen-time { font-size: .85rem; color: var(--muted); }
.gen-time input { margin-top: 4px; max-width: 180px; }
.gen-msg { color: var(--muted); font-size: .85rem; margin: 2px 0 0; }
.gen #gen-add { align-self: flex-start; }

.primary {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  border-radius: 10px;
  padding: 11px 20px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.primary:hover { filter: brightness(1.05); }
.primary:disabled { opacity: .6; cursor: default; }

.ghost {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 14px;
  color: var(--ink);
  cursor: pointer;
}
.ghost:hover { border-color: var(--accent); color: var(--accent); }

.err { color: var(--no); font-size: .9rem; margin: 4px 0 12px; }
.saved { color: var(--yes); font-weight: 600; margin-left: 10px; }

.share { display: flex; gap: 8px; }
.share input { background: #faf8f4; }

.editlink {
  margin-top: 14px;
  padding: 12px 14px;
  background: #faf8f4;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.editlink p { margin: 0 0 8px; font-size: .85rem; color: var(--muted); }
.editlink input { background: #fff; }

/* Your-availability toggles */
.vote-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.vote-row:first-child { border-top: none; }
.vote-date { font-weight: 600; }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.seg-btn {
  border: none;
  background: #fff;
  padding: 7px 12px;
  cursor: pointer;
  color: var(--muted);
  border-left: 1px solid var(--line);
}
.seg-btn:first-child { border-left: none; }
.seg-btn.active.s-yes { background: var(--yes); color: #fff; }
.seg-btn.active.s-maybe { background: var(--maybe); color: #fff; }
.seg-btn.active.s-no { background: var(--no); color: #fff; }

/* Results grid */
.grid-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { padding: 9px 10px; text-align: center; border-bottom: 1px solid var(--line); }
thead th { font-weight: 600; white-space: nowrap; vertical-align: bottom; }
.corner, .name { text-align: left; white-space: nowrap; }
.name.you { color: var(--accent); }
th.lead, td.lead { background: rgba(216, 83, 31, .08); }
thead th.lead { box-shadow: inset 0 -3px 0 var(--accent); }

.del-btn {
  margin-left: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  border-radius: 6px;
  padding: 0 6px;
  font-size: .75rem;
  cursor: pointer;
  line-height: 1.6;
}
.del-btn:hover { color: var(--no); border-color: var(--no); }

.cell { font-weight: 700; }
.c-yes { background: var(--yes-bg); color: var(--yes); }
.c-maybe { background: var(--maybe-bg); color: var(--maybe); }
.c-no { background: var(--no-bg); color: var(--no); }
.c-none { color: var(--line); }

tfoot .tally td { color: var(--muted); }
tfoot .tally strong { color: var(--yes); font-size: 1.05rem; }
.empty { color: var(--muted); padding: 20px; }

@media (max-width: 480px) {
  .card { padding: 16px; }
  .opt-row { grid-template-columns: 1fr auto; }
  .opt-row .opt-time { grid-column: 1 / 2; }
}