.club-page {
  min-height: 100vh;
  background: var(--paper);
}

.club-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px clamp(18px, 4vw, 54px);
  color: var(--white);
  background: #102b43;
}

.club-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.club-brand span:last-child { display: grid; }
.club-brand small { color: #c4d6e2; }
.club-brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid #9eb3c2;
  border-radius: 50%;
  font-weight: 700;
}
.club-home { color: var(--white); text-decoration: none; }
.club-home:hover, .club-back:hover { text-decoration: underline; }

.club-main { width: min(850px, calc(100% - 36px)); margin: 0 auto; padding: 48px 0 80px; }
.club-heading .eyebrow { color: var(--red); }
.club-heading h1 { margin: 6px 0; font-size: clamp(2rem, 5vw, 3rem); }
.club-member { margin: 0 0 36px; color: var(--muted); }
.club-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
.club-toolbar h2 { margin: 0; font-size: clamp(1.5rem, 3vw, 2rem); }
.club-list { display: grid; gap: 12px; }
.club-card, .club-form, .club-notice {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
  box-shadow: 0 5px 22px rgba(20, 32, 28, .05);
}
.club-card { display: block; padding: 20px 22px; color: inherit; text-decoration: none; }
a.club-card:hover { border-color: var(--blue); box-shadow: 0 8px 28px rgba(20, 32, 28, .12); }
.club-card h3 { margin: 0 0 10px; color: var(--blue-dark); font-size: 1.18rem; }
.club-meta { display: flex; flex-wrap: wrap; gap: 7px 16px; color: var(--muted); font-size: .9rem; }
.club-message { white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.6; margin: 15px 0 0; }
.club-form { display: grid; gap: 9px; padding: 22px; margin: 18px 0 24px; }
.club-form h3 { margin: 0 0 8px; }
.club-form label { font-weight: 650; }
.club-form input, .club-form textarea {
  width: 100%;
  border: 1px solid #aebbb4;
  border-radius: 8px;
  padding: 12px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}
.club-form textarea { resize: vertical; }
.club-form input:focus, .club-form textarea:focus { outline: 2px solid var(--blue); outline-offset: 2px; }
.club-form-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.club-secondary { color: var(--blue-dark); background: #eaf0f3; }
.club-error { margin: 0; color: #9c342a; }
.club-notice { padding: 20px 22px; line-height: 1.6; }
.club-notice a { color: var(--blue-dark); font-weight: 650; }
.club-back { display: inline-block; color: var(--blue-dark); margin-bottom: 20px; }
.club-thread-title { font-size: clamp(1.6rem, 4vw, 2.2rem); margin: 0 0 20px; }
.club-footer { padding: 26px 18px; text-align: center; color: var(--muted); font-size: .9rem; }
[hidden] { display: none !important; }

@media (max-width: 600px) {
  .club-main { padding-top: 34px; }
  .club-toolbar { align-items: stretch; flex-direction: column; }
  .club-toolbar .button { text-align: center; }
  .club-card, .club-form { padding: 17px; }
}