:root {
  --ink: #1f2a24;
  --muted: #5c6b63;
  --paper: #f4efe6;
  --card: #fffaf3;
  --line: #e3d8c8;
  --coral: #c44b3c;
  --coral-dark: #9f3428;
  --sage: #3d6b55;
  --sage-dark: #2c5040;
  --gold: #d9a441;
  --shadow: 0 18px 40px rgba(47, 36, 24, 0.12);
  --sans: "PingFang TC", "Hiragino Sans CNS", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", "Songti TC", "Noto Serif CJK TC", "Source Han Serif TC", serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #f8e3cf 0%, transparent 55%),
    radial-gradient(900px 400px at 110% 0%, #dceadf 0%, transparent 50%),
    var(--paper);
  min-height: 100vh;
  line-height: 1.6;
}

.site-header {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.25rem 1rem;
}
.brand { display: flex; gap: 0.85rem; align-items: center; }
.brand-mark {
  width: 3rem; height: 3rem;
  display: grid; place-items: center;
  border-radius: 1rem;
  background: linear-gradient(145deg, #e07a5f, #3d6b55);
  color: #fffaf3;
  font-size: 1.4rem;
  box-shadow: var(--shadow);
}
.brand-kicker {
  margin: 0;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  color: var(--sage);
  font-weight: 600;
}
h1 {
  font-family: var(--serif);
  font-size: 2rem;
  margin: 0;
  letter-spacing: 0.12em;
}
.tagline { margin: 0.75rem 0 0; color: var(--muted); }

.tabs {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  gap: 0.4rem;
  background: transparent;
}
.tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 600;
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.tab.is-active {
  background: var(--ink);
  color: #fffaf3;
}
.badge {
  background: var(--coral);
  color: #fff;
  border-radius: 999px;
  min-width: 1.25rem;
  padding: 0 0.35rem;
  font-size: 0.75rem;
  line-height: 1.25rem;
  text-align: center;
}

main { max-width: 760px; margin: 0 auto; padding: 1.1rem 1.25rem 2rem; }
.panel[hidden] { display: none; }

.deck-wrap { position: relative; min-height: 420px; }
.card-stack { position: relative; min-height: 400px; }
.profile-card {
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
  padding: 1.5rem 1.4rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: transform 0.35s ease, opacity 0.35s ease;
}
.profile-card.is-leave-like { transform: translateX(120%) rotate(8deg); opacity: 0; }
.profile-card.is-leave-skip { transform: translateX(-120%) rotate(-8deg); opacity: 0; }
.profile-card:nth-child(2) { transform: scale(0.97) translateY(10px); opacity: 0.7; z-index: 1; }
.profile-card:nth-child(1) { z-index: 2; }

.avatar {
  width: 5.5rem; height: 5.5rem;
  border-radius: 28%;
  display: grid; place-items: center;
  font-size: 2rem;
  color: #fffaf3;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: inset 0 0 0 3px rgba(255,255,255,0.25);
}
.avatar.emoji { font-size: 2.4rem; }

.card-top { display: flex; gap: 1rem; align-items: center; }
.name-row h2 {
  font-family: var(--serif);
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: 0.04em;
}
.meta { margin: 0.15rem 0 0; color: var(--muted); font-size: 0.95rem; }
.bio { margin: 0; color: var(--ink); }
.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag-chip {
  background: #efe4d4;
  color: var(--sage-dark);
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  font-size: 0.85rem;
}

.actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.2rem;
}
.btn {
  appearance: none;
  border: 0;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  border-radius: 999px;
  padding: 0.75rem 1.4rem;
}
.btn-skip { background: #ece4d8; color: var(--ink); min-width: 7.5rem; }
.btn-like { background: var(--coral); color: #fff; min-width: 7.5rem; }
.btn-like:hover { background: var(--coral-dark); }
.btn-primary { background: var(--sage); color: #fff; }
.btn-primary:hover { background: var(--sage-dark); }
.btn-ghost {
  background: transparent;
  color: var(--muted);
  padding: 0.4rem 0.6rem;
  font-weight: 600;
}

.empty-state {
  text-align: center;
  background: rgba(255,250,243,0.72);
  border: 1px dashed var(--line);
  border-radius: 1.4rem;
  padding: 2.2rem 1.4rem;
}
.empty-state.compact { padding: 1.2rem; margin-top: 1rem; }
.empty-emoji { font-size: 2rem; margin: 0 0 0.4rem; }
.empty-state h2 { font-family: var(--serif); margin: 0 0 0.4rem; }

.match-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 0.9rem;
}
.match-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  padding: 1rem;
  box-shadow: 0 8px 20px rgba(47, 36, 24, 0.06);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.match-head { display: flex; gap: 0.7rem; align-items: center; }
.match-head h3 { margin: 0; font-family: var(--serif); font-size: 1.15rem; }
.match-card .avatar { width: 3.2rem; height: 3.2rem; font-size: 1.3rem; border-radius: 22%; }
.match-card .avatar.emoji { font-size: 1.5rem; }

.board-form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  padding: 1.2rem;
  display: grid;
  gap: 0.7rem;
}
.board-form h2 { font-family: var(--serif); margin: 0; }
.form-hint { margin: 0; color: var(--muted); font-size: 0.9rem; }
label { display: grid; gap: 0.3rem; font-weight: 600; font-size: 0.92rem; }
input, textarea {
  font: inherit;
  font-weight: 400;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  padding: 0.6rem 0.75rem;
  background: #fff;
  color: var(--ink);
}
.board-list { display: grid; gap: 0.75rem; margin-top: 1rem; }
.board-post {
  background: #fffaf3;
  border-left: 4px solid var(--gold);
  border-radius: 0.8rem;
  padding: 0.9rem 1rem;
  box-shadow: 0 6px 16px rgba(47, 36, 24, 0.05);
}
.board-post header {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.board-post strong { color: var(--ink); font-size: 1rem; }
.board-post p { margin: 0.35rem 0 0; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fffaf3;
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  box-shadow: var(--shadow);
  z-index: 20;
}
.site-footer {
  max-width: 760px;
  margin: 0 auto 2rem;
  padding: 0 1.25rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.site-footer p { margin: 0 0 0.35rem; }

@media (max-width: 560px) {
  h1 { font-size: 1.7rem; }
  .profile-card { padding: 1.2rem 1.05rem; }
  .actions { position: sticky; bottom: 0.6rem; }
  .btn-skip, .btn-like { flex: 1; }
}