:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --border: #e3e5e8;
  --text: #1a1a1a;
  --text-sub: #6b7280;
  --primary: #2b6cb0;
  --kakao: #fee500;
  --kakao-text: #191600;
  --danger: #e53e3e;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

/* display 를 지정한 요소(.modal, .login-wrap 등)에서도 hidden 속성이 항상 우선하도록 */
[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    "Malgun Gothic", "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* ===== 로그인 화면 ===== */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px 32px;
  text-align: center;
}

.login-card .logo {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}

.login-card .subtitle {
  color: var(--text-sub);
  font-size: 14px;
  margin-bottom: 32px;
}

.kakao-btn {
  width: 100%;
  height: 48px;
  border: none;
  border-radius: 8px;
  background: var(--kakao);
  color: var(--kakao-text);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: filter 0.15s ease;
}

.kakao-btn:hover {
  filter: brightness(0.96);
}

.kakao-btn:disabled {
  opacity: 0.6;
  cursor: default;
}

.kakao-btn svg {
  width: 18px;
  height: 18px;
}

.message {
  margin-top: 18px;
  font-size: 13px;
  min-height: 18px;
}

.message.error {
  color: var(--danger);
}

.message.info {
  color: var(--text-sub);
}

/* ===== 어드민 레이아웃 ===== */
.topbar {
  height: 60px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.topbar .brand {
  font-weight: 700;
  font-size: 17px;
}

.topbar .user {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: var(--text-sub);
}

.logout-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.logout-btn:hover {
  background: var(--bg);
}

.content {
  padding: 32px 24px;
  max-width: 960px;
  margin: 0 auto;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 18px;
}

.card p {
  margin: 4px 0;
  color: var(--text-sub);
  font-size: 14px;
}

.card .email {
  color: var(--text);
  font-weight: 600;
}

/* ===== 탭 네비게이션 ===== */
.tabs {
  display: flex;
  gap: 4px;
}

.tab-btn {
  border: none;
  background: transparent;
  color: var(--text-sub);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.tab-btn:hover {
  background: var(--bg);
}

.tab-btn.active {
  color: var(--primary);
  background: rgba(43, 108, 176, 0.1);
}

/* content 영역을 넓게 */
.content {
  max-width: 1120px;
}

/* ===== 카드 헤더 / 필터 ===== */
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.card-head h2 {
  margin: 0;
}

.count {
  font-size: 13px;
  color: var(--text-sub);
}

.filter {
  display: flex;
  gap: 8px;
  align-items: center;
}

.date-input {
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text);
}

.primary-btn {
  height: 36px;
  padding: 0 16px;
  border: none;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.15s ease;
}

.primary-btn:hover {
  filter: brightness(0.95);
}

/* ===== 상태 메시지 ===== */
.state {
  font-size: 13px;
  min-height: 18px;
  margin-bottom: 10px;
}

.state.info {
  color: var(--text-sub);
}

.state.error {
  color: var(--danger);
}

.state:empty {
  margin-bottom: 0;
  min-height: 0;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table th {
  color: var(--text-sub);
  font-weight: 600;
  background: var(--bg);
}

.data-table tbody tr:hover {
  background: var(--bg);
}

.data-table th.sortable {
  cursor: pointer;
  user-select: none;
}

.data-table th.sortable::after {
  content: "↕";
  margin-left: 4px;
  opacity: 0.3;
  font-size: 11px;
}

.data-table th.sort-asc::after {
  content: "▲";
  opacity: 0.9;
}

.data-table th.sort-desc::after {
  content: "▼";
  opacity: 0.9;
}

.data-table td.ellipsis {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--bg);
  color: var(--text-sub);
}

.status-COMPLETED {
  background: rgba(56, 161, 105, 0.12);
  color: #2f855a;
}

.status-PENDING {
  background: rgba(214, 158, 46, 0.15);
  color: #b7791f;
}

.status-RESTRICTED {
  background: rgba(229, 62, 62, 0.12);
  color: var(--danger);
}

.status-WITHDRAWN {
  background: rgba(113, 128, 150, 0.15);
  color: #718096;
}

.link-btn {
  border: none;
  background: transparent;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 2px 4px;
}

.link-btn:hover {
  text-decoration: underline;
}

/* ===== 페이지네이션 ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 16px;
}

.page-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 8px;
  padding: 7px 16px;
  font-size: 13px;
  cursor: pointer;
}

.page-btn:hover:not(:disabled) {
  background: var(--bg);
}

.page-btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.page-info {
  font-size: 13px;
  color: var(--text-sub);
}

/* ===== 상세 모달 ===== */
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}

.modal-card {
  position: relative;
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  overflow-y: auto;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--surface);
}

.modal-head h3 {
  margin: 0;
  font-size: 16px;
}

.modal-close {
  border: none;
  background: transparent;
  font-size: 24px;
  line-height: 1;
  color: var(--text-sub);
  cursor: pointer;
}

.kpi-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.kpi-item {
  padding: 8px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-sub);
}

.kpi-item strong {
  color: var(--text);
  font-size: 15px;
  margin: 0 2px;
}

.modal-body {
  padding: 20px 22px;
}

.field {
  display: block;
  margin-bottom: 14px;
}

.field > span {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--text-sub);
}

.field input,
.field select {
  width: 100%;
  box-sizing: border-box;
  padding: 9px 11px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
}

.detail-list {
  margin: 0;
  display: grid;
  grid-template-columns: 110px 1fr;
  row-gap: 12px;
  column-gap: 14px;
}

.detail-list dt {
  color: var(--text-sub);
  font-size: 13px;
}

.detail-list dd {
  margin: 0;
  font-size: 14px;
  word-break: break-all;
}

.detail-list dd .muted {
  color: var(--text-sub);
}

/* ===== 콜백(로딩) 화면 ===== */
.callback-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  color: var(--text-sub);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}