/* 도일대학교 학사행정 데모 — 디자인시스템
   레퍼런스(university_management_project) main.css/login.css/mainPage.css/admin.css/student.css 등의
   색상·타이포·테이블/폼/버튼 언어를 Bootstrap 5 위에 재현한다. (UI 폴리싱 과잉 금지 — 딱 이 수준까지)
*/
@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700&display=swap');

:root {
  --navy: #031734;
  --navy-2: #023268;
  --blue: #075AA4;
  --blue-2: #1d57a3;
  --bg: #f7f6f6;
  --border: #e5e5e5;
  --table-border: #D2D1D1;
  --table-head-bg: #F0EFEF;
  --muted: #6c6a6a;
}

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

body {
  background-color: var(--bg);
  font-family: 'Noto Sans KR', sans-serif;
  color: #222;
}

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

/* ---------- 상단 정보바 ---------- */
.site-topbar {
  background-color: var(--navy);
  color: #fff;
  font-size: 13px;
}

.site-topbar .container {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  min-height: 34px;
}

.site-topbar a {
  color: #fff;
}

.site-topbar a:hover {
  text-decoration: underline;
}

.site-topbar .sep {
  opacity: .5;
}

/* ---------- 메인 네비게이션 ---------- */
.site-nav {
  background-color: #fff;
  border-bottom: 1px solid var(--border);
}

.site-nav .container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  padding: 14px 12px;
}

.site-nav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
  color: var(--navy);
}

.site-nav .brand img {
  height: 38px;
  width: 38px;
}

.site-nav .menu {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin-left: auto;
}

.site-nav .menu a {
  padding: 8px 14px;
  font-weight: 600;
  font-size: 15px;
  color: #333;
  border-bottom: 3px solid transparent;
}

.site-nav .menu a:hover {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

/* ---------- 본문 패널 ---------- */
.page-shell {
  padding: 28px 12px 60px;
}

.page-panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 36px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .04);
}

.page-panel h3:first-of-type {
  font-weight: 700;
  color: var(--navy);
  padding-bottom: 14px;
  margin-bottom: 24px;
  border-bottom: 2px solid #ddd;
}

.page-panel h5, .page-panel h6 {
  font-weight: 600;
  color: var(--navy);
}

/* ---------- 사이트 푸터 ---------- */
.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  padding: 30px 0 20px;
}

/* ---------- 테이블 ---------- */
.table {
  --bs-table-striped-bg: transparent;
  border-color: var(--table-border);
}

.table > :not(caption) > * > * {
  border-bottom-width: 1px;
  border-top-width: 1px;
  padding: 10px 14px;
}

.table thead th {
  background-color: var(--table-head-bg);
  color: #333;
  font-weight: 700;
  text-align: center;
  border-bottom: 1px solid var(--table-border);
}

.table tbody tr:hover {
  background-color: #fafafa;
}

.table td {
  vertical-align: middle;
}

/* ---------- 버튼 ---------- */
.btn {
  border-radius: 5px;
  font-weight: 500;
}

.btn-primary {
  background-color: var(--navy-2);
  border-color: var(--navy-2);
}

.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
  background-color: var(--navy);
  border-color: var(--navy);
}

.btn-outline-primary {
  color: var(--navy-2);
  border-color: var(--navy-2);
}

.btn-outline-primary:hover {
  background-color: var(--navy-2);
  border-color: var(--navy-2);
}

/* ---------- 폼 ---------- */
.form-control, .form-select {
  border: 1px solid var(--table-border);
  border-radius: 4px;
}

.form-control:focus, .form-select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 .2rem rgba(7, 90, 164, .15);
}

.form-label {
  font-weight: 500;
  color: #444;
  margin-bottom: 4px;
}

/* ---------- 탭 ---------- */
.nav-tabs .nav-link {
  color: #555;
  font-weight: 600;
}

.nav-tabs .nav-link.active {
  color: var(--blue);
  border-color: var(--table-border) var(--table-border) #fff;
}

/* ---------- 카드 ---------- */
.card {
  border: 1px solid #E0E0E0;
  border-radius: 14px;
}

.card .display-6 {
  font-weight: 700;
  color: var(--navy);
}

/* ---------- 뱃지/알림 ---------- */
.badge {
  background-color: var(--navy-2);
  font-weight: 600;
  padding: .45em .7em;
}

.alert {
  border-radius: 8px;
}

/* ---------- 로그인 화면 ---------- */
.login-shell {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 0;
}

.login-shell .login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.login-shell .login-logo img {
  height: 56px;
  width: 56px;
}

.login-shell .login-logo .name {
  font-size: 26px;
  font-weight: 700;
  color: var(--navy);
}

.login-card {
  width: 400px;
  max-width: 92vw;
  background: #fff;
  border: 1px solid var(--table-border);
  border-radius: 10px;
  padding: 24px 20px;
}

.login-card .field {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 4px;
}

.login-card .field + .field {
  border-top: 1px solid #eee;
}

.login-card .field label {
  min-width: 64px;
  font-weight: 600;
  color: var(--navy);
  font-size: 14px;
}

.login-card .field input {
  border: none;
  flex: 1;
  background: transparent;
  outline: none;
  font-size: 15px;
}

.login-submit {
  width: 100%;
  height: 48px;
  margin-top: 20px;
  background-color: var(--navy);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
}

.login-submit:hover {
  background-color: var(--navy-2);
}

.login-hint {
  margin-top: 18px;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}

/* ---------- 홈 대시보드 ---------- */
.home-hero {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 26px;
}

.home-hero img {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  border-radius: 12px;
}

.home-greeting {
  font-weight: 700;
  color: var(--navy);
  font-size: 22px;
  margin-bottom: 18px;
}