.class-roster {
  margin: 20px auto 0;
  max-width: 440px;
  border: 1px solid #c9ded8;
  border-radius: 15px;
  background: #fffdf8;
  color: var(--ink);
}

.class-roster summary {
  padding: 11px 16px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
  text-align: center;
}

.class-roster[open] summary { border-bottom: 1px solid #e0ebe5; }
.roster-group { padding: 12px 17px 4px; }
.roster-group h5 { margin: 0 0 10px; font-size: 14px; }
.roster-names { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.roster-names li { padding: 6px 10px; border-radius: 100px; background: #e5f3ee; font-size: 14px; font-weight: 700; }
.roster-empty, .roster-note { color: var(--ink-soft); font-size: 12px; line-height: 1.6; }
.roster-note { margin: 4px 17px 15px; }

.lookup-form {
  margin-top: 25px;
  padding: 20px;
  background: #e8f4f0;
  border: 1px solid #bfd9d0;
  border-radius: 16px;
}
.lookup-form h3 { margin: 0 0 8px; font-size: 20px; }
.lookup-form p { margin: 0 0 15px; font-size: 13px; line-height: 1.65; color: var(--ink-soft); }
.lookup-form label { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 800; }
.lookup-controls { display: flex; gap: 8px; }
.lookup-controls input { min-width: 0; flex: 1; min-height: 48px; padding: 10px 12px; border: 1px solid #9cbdb8; border-radius: 10px; background: white; font-size: 16px; }
.lookup-controls button { border: 0; border-radius: 10px; min-height: 48px; padding: 10px 17px; background: var(--ink); color: white; font-weight: 800; }
.lookup-controls button:disabled { opacity: .6; }
.lookup-form .lookup-result { min-height: 20px; margin: 12px 0 0; font-weight: 700; color: var(--ink); }
.lookup-alternative { border-top: 1px solid #bfd9d0; margin-top: 17px; padding-top: 14px; }
.lookup-alternative summary { color: var(--ink); font-size: 13px; font-weight: 800; cursor: pointer; }
.lookup-alternative form { margin-top: 16px; }

@media (max-width: 600px) {
  .lookup-controls { flex-direction: column; }
  .lookup-controls button { min-height: 48px; }
}
.registration-mode-note{margin:0 0 22px;padding:14px 17px;border:1px solid #8bcbb8;border-radius:12px;background:#e8f5ed;color:#075c63;font-size:14px;font-weight:800;line-height:1.7}