*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --red: #C30034;
  --blue: #5FA3BF;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Noto Sans KR', sans-serif;
  -webkit-font-smoothing: antialiased;
}

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
}

.hdr-left {
  display: flex;
  align-items: center;
}

.hdr-school {
  font-weight: 700;
}

.hdr-div {
  color: var(--border-md);
}

/* 페이지 간 이동 링크 */
.back-link,
#verify-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
}

.back-link:hover,
#verify-link:hover {
  text-decoration: underline;
}

/* 소형 라벨 공통 */
.section-label,
.form-label,
.sb-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* 카드 서브헤더 */
.tc-header,
.v-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 4px;
}

/* 카드 멤버 수 */
.tc-size,
.v-count {
  font-size: 0.7rem;
  color: var(--text-3);
}

/* 학번 모노스페이스 */
.tc-sid,
.v-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.55rem;
  color: var(--text-3);
  margin-left: auto;
}

::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--elevated);
  border-radius: 2px;
}