/* 기본 리셋 */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Noto Sans KR", "Malgun Gothic", sans-serif;
    color: #222;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
}

/* 공통 레이아웃 */
.page-wrap {
    width: 1000px;
    margin: 0 auto 40px;
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 8px;
}

.section-desc {
    font-size: 12px;
    color: #c0392b;
}

/* 상단 배너 (로그인/메인 공통 느낌) */
.top-band {
    background: #d4d6db;
    padding: 30px 0;
    display: flex;
    justify-content: center;
}

.semester-badge {
    width: 320px;
    height: 80px;
    background: #e54b4b;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.semester-badge__logo {
    width: 64px;
    height: 64px;
    background: #fff;
    border-radius: 50%;
    margin-bottom: 16px;
}

.semester-badge__year {
    font-size: 18px;
    margin-bottom: 4px;
}

.semester-badge__name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
}

.semester-badge__label {
    font-size: 20px;
}

/* 상단 내비 (메인 화면용) */
.main-nav {
    background: #555f6a;
    color: #fff;
}

.main-nav__inner {
    width: 1000px;
    margin: 0 auto;
    display: flex;
}

.main-nav__item {
    padding: 14px 22px;
    font-size: 14px;
}

.main-nav__item--active {
    background: #e54b4b;
}

/* 카드 / 박스 공통 */
.card {
    background: #fff;
    border: 1px solid #d0d2d8;
    padding: 20px;
    margin-top: 20px;
}

/* 테이블 공통 */
.table-wrap {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.data-table th,
.data-table td {
    border: 1px solid #d4d6db;
    padding: 6px 8px;
    text-align: center;
}

.data-table th {
    background: #f5f5f7;
    font-weight: 600;
}

.data-table td.text-left {
    text-align: left;
}

/* 버튼 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 14px;
    border-radius: 2px;
    font-size: 12px;
    cursor: pointer;
    border: 1px solid #c0c4cc;
    background: #ffffff;
}

.btn-primary {
    font-weight: 600;
}

.btn-danger {
    background: #e54b4b;
    border-color: #e54b4b;
    color: #fff;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 11px;
}

/* 입력 폼 */
.input-text {
    border: 1px solid #c0c4cc;
    padding: 4px 6px;
    font-size: 12px;
    font-family: inherit;
}

.input-small {
    width: 60px;
    text-align: center;
}

/* 캐릭터 설명 텍스트 */
.helper-text {
    font-size: 11px;
    color: #777;
}

/* ===== 로그인 페이지 ===== */
.login-layout {
    margin-top: 30px;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 32px;
}

/* 로그인 카드 */
.login-panel__title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    margin-top: 0px;
}

.login-panel__field-label {
    font-size: 14px;
    margin-bottom: 8px;
    font-weight: 600;
}

.login-panel__stored {
    padding-top: 10px;
    font-size: 11px;
}

/* 과목 프리셋 테이블 */
.preset-table th:nth-child(1),
.preset-table td:nth-child(1),
.preset-table th:nth-child(2),
.preset-table td:nth-child(2) {
    width: 80px;
}

/* ===== 메인 수강신청 페이지 ===== */
.info-table td,
.info-table th {
    font-size: 13px;
    padding: 6px 10px;
}

/* 캡차 영역 */
.captcha-box {
    display: inline-flex;
    align-items: center;
    border: 1px solid #8c8c8c;
    background: #c0c0c0;
    padding: 4px 6px;
}

.captcha-value {
    display: inline-block;
    min-width: 40px;
    text-align: center;
    font-weight: 700;
    color: #e13a3e;
    margin-right: 6px;
}

.captcha-input {
    width: 40px;
}

/* 푸터 */
.footer {
    border-top: 1px solid #d4d6db;
    padding: 16px 0;
    margin-top: 36px;
    font-size: 11px;
    text-align: center;
    color: #777;
}

.btn-danger {
    background: #e54b4b;
    border-color: #e54b4b;
    color: #fff;
}

.action-btn {
    min-width: 60px;
    height: 26px;
    padding: 0;
    border-radius: 0;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid #b0b0b0;
    background: #f4f4f4;
    color: #333;
}

.action-btn:hover {
    background: #e8e8e8;
}

.nav-logout-btn {
    margin-left: auto;
    align-self: center;
    padding: 4px 14px;
    font-size: 12px;
    border-radius: 2px;
    border: 1px solid #e54b4b;
    background: #e54b4b;
    color: #fff;
    cursor: pointer;
}

.nav-logout-btn:hover {
    background: #c93b3b;
    border-color: #c93b3b;
}