/* wjremote 서버 웹 UI 디자인 시스템 (다크 B)
   외부 자원 없음 — 폐쇄망 배포 대상이므로 CDN/웹폰트를 쓰지 않는다.
   글꼴은 시스템 글꼴만 사용한다. */

:root {
  --bg: #16181d;
  --sidebar-bg: #0f1115;
  --panel: #1c1f26;
  --border: #262a33;
  --text: #d6d9e0;
  --text-muted: #8b93a3;
  --text-faint: #5d6575;
  --accent: #3ba7ff;
  --accent-ink: #0f1115;
  --success: #3ddc97;
  --warning: #f5a524;
  --danger: #e5484d;
  --radius: 6px;
  --font: "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  color: #fff;
  margin: 0 0 12px;
}

h1 { font-size: 20px; }
h2 { font-size: 16px; }
h3 { font-size: 14px; }

p {
  color: var(--text);
}

/* 키보드 접근성: 포커스 링을 항상 보이게 한다 */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ========== 버튼 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 8px 16px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  background: transparent;
  color: var(--text);
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-primary:hover {
  background: #5cb6ff;
}

.btn-secondary {
  background: transparent;
  border-color: #3a3f4b;
  color: var(--text);
}

.btn-secondary:hover {
  background: #22262e;
}

.btn-danger {
  background: transparent;
  border-color: var(--danger);
  color: var(--danger);
}

.btn-danger:hover {
  background: rgba(229, 72, 77, 0.12);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ========== 카드 ========== */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.card-title {
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 10px;
}

/* ========== 통계 카드 ========== */
.stat {
  flex: 1;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  min-width: 0;
}

.stat-label {
  color: var(--text-muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}

.stat-value.success { color: var(--success); }
.stat-value.warning { color: var(--warning); }
.stat-value.danger { color: var(--danger); }

.stat-sub {
  color: var(--text-faint);
  font-size: 12px;
  margin-top: 2px;
}

.stat-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

/* ========== 표 ========== */
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.table th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12px;
  background: rgba(255, 255, 255, 0.02);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* ========== 폼 ========== */
.form-field {
  margin-bottom: 14px;
}

.form-field label {
  display: block;
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 6px;
}

.form-field input[type="text"],
.form-field input[type="password"],
.form-field input[type="search"],
.form-field textarea {
  width: 100%;
  background: var(--sidebar-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 8px 10px;
  font-family: var(--font);
  font-size: 14px;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
  border-color: var(--accent);
}

.form-field textarea {
  min-height: 80px;
  resize: vertical;
}

.form-field .field-error {
  color: var(--danger);
  font-size: 12px;
  margin-top: 4px;
}

.form-field input.input-error,
.form-field textarea.input-error {
  border-color: var(--danger);
}

/* ========== 알림 띠 ========== */
.alert {
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 13px;
  border: 1px solid transparent;
}

.alert-success {
  background: rgba(61, 220, 151, 0.1);
  border-color: var(--success);
  color: var(--success);
}

.alert-error {
  background: rgba(229, 72, 77, 0.1);
  border-color: var(--danger);
  color: var(--danger);
}

/* ========== 배지 ========== */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  padding: 0 6px;
  border-radius: 8px;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  line-height: 16px;
}

.badge-warning {
  background: var(--warning);
  color: var(--accent-ink);
}

/* ========== 그룹 트리 ========== */
.tree, .tree ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tree ul {
  padding-left: 20px;
}

.tree li {
  margin: 2px 0;
}

.tree label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.tree .tree-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.tree .tree-host-count {
  color: var(--text-faint);
  font-size: 12px;
  margin-left: 4px;
}

.tree .tree-children.collapsed {
  display: none;
}

/* ========== 버전 분포 막대 ========== */
.version-bar-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 6px 0;
  font-size: 13px;
}

.version-bar-label {
  width: 170px;
  flex-shrink: 0;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.version-bar-track {
  flex: 1;
  background: var(--border);
  height: 10px;
  border-radius: 5px;
  overflow: hidden;
}

.version-bar-fill {
  height: 10px;
  border-radius: 5px;
  background: var(--warning);
}

.version-bar-fill.latest {
  background: var(--accent);
}

.version-bar-count {
  width: 36px;
  text-align: right;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* ========== 공개 레이아웃 ========== */
.public-topbar {
  height: 48px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 20px;
}

.public-topbar .brand {
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.public-topbar nav {
  margin-left: auto;
  display: flex;
  gap: 16px;
  align-items: center;
}

.public-topbar nav a {
  color: var(--text-muted);
}

.public-topbar nav a.accent {
  color: var(--accent);
}

.public-main {
  min-height: calc(100vh - 48px - 44px);
  padding: 32px 20px;
}

.public-footer {
  height: 44px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-size: 12px;
}

.center-card-wrap {
  display: flex;
  justify-content: center;
  padding-top: 40px;
}

.center-card {
  width: 320px;
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 20px;
}

.icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

/* ========== 관리자 레이아웃 ========== */
.admin-shell {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 190px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 14px 0;
  display: flex;
  flex-direction: column;
}

.admin-sidebar .brand {
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 0 16px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  color: var(--text-muted);
  border-left: 3px solid transparent;
}

.admin-nav a:hover {
  color: #fff;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.03);
}

.admin-nav a.active {
  background: #1e2a3a;
  color: #fff;
  border-left-color: var(--accent);
}

.admin-nav .nav-badge {
  margin-left: auto;
}

/* 배포 하위 메뉴(설치 파일/배포 키/설치 현황) — 시안의 들여쓴 서브 항목. */
.admin-nav a.admin-nav-sub {
  padding: 6px 16px 6px 26px;
  font-size: 13px;
}

.admin-nav a.admin-nav-sub.active {
  background: #1e2a3a;
  color: #fff;
  border-left-color: var(--accent);
}

.admin-sidebar-footer {
  margin-top: auto;
  padding: 12px 16px 4px;
  color: var(--text-faint);
  font-size: 11px;
  line-height: 1.6;
}

.admin-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  height: 48px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  flex-shrink: 0;
}

.admin-topbar .page-title {
  color: var(--text);
  font-weight: 600;
}

.admin-topbar .admin-user {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 13px;
}

.admin-topbar form {
  margin: 0;
}

.admin-topbar .logout-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font);
  font-size: 13px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.admin-topbar .logout-btn:hover {
  color: var(--text);
  text-decoration: underline;
}

.admin-content {
  flex: 1;
  padding: 20px;
  min-width: 0;
}

/* 900px 미만: 사이드바가 상단 가로 메뉴로 접힌다 */
@media (max-width: 899px) {
  .admin-shell {
    flex-direction: column;
  }

  .admin-sidebar {
    width: 100%;
    flex-direction: row;
    align-items: center;
    padding: 8px 10px;
    flex-wrap: wrap;
    gap: 6px;
  }

  .admin-sidebar .brand {
    padding: 0 10px;
    margin-right: 4px;
  }

  .admin-nav {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .admin-nav a {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: 8px 10px;
  }

  .admin-nav a.active {
    border-left-color: transparent;
    border-bottom-color: var(--accent);
  }

  .admin-sidebar-footer {
    display: none;
  }

  .stat-row {
    flex-direction: column;
  }

  .users-layout {
    flex-direction: column;
  }

  .users-layout .users-list-col {
    width: 100%;
  }
}

/* ========== 사용자 권한 화면 전용 레이아웃 ========== */
.users-layout {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.users-list-col {
  width: 240px;
  flex-shrink: 0;
}

.users-detail-col {
  flex: 1;
  min-width: 0;
}

.user-search-input {
  width: 100%;
  background: var(--sidebar-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 7px 10px;
  margin-bottom: 8px;
  font-family: var(--font);
  font-size: 13px;
}

.user-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.user-list-item a {
  display: block;
  padding: 8px 10px;
  border-radius: var(--radius);
  color: var(--text);
}

.user-list-item a:hover {
  background: rgba(255, 255, 255, 0.03);
  text-decoration: none;
}

.user-list-item.selected a {
  background: #1e2a3a;
  color: #fff;
}

.user-list-item .user-sub {
  color: var(--text-muted);
  font-size: 11px;
  margin-top: 2px;
}

.user-list-item .user-sub.warning {
  color: var(--warning);
}

/* ========== 역할 칩(체크박스) ========== */
.role-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.role-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid #3a3f4b;
  border-radius: 12px;
  padding: 3px 10px;
  font-size: 12px;
  color: var(--text);
  cursor: pointer;
  user-select: none;
}

.role-chip input[type="checkbox"] {
  margin: 0;
}

.role-chip:has(input:checked) {
  border-color: var(--accent);
  color: var(--accent);
}

/* ========== 역할 화면 전용 레이아웃(사용자 권한 화면과 같은 2단 구조 재사용) ========== */
.roles-layout {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.roles-list-col {
  width: 240px;
  flex-shrink: 0;
}

.roles-detail-col {
  flex: 1;
  min-width: 0;
}

.role-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.role-list-item a {
  display: block;
  padding: 7px 8px;
  border-radius: var(--radius);
  color: var(--text);
}

.role-list-item a:hover {
  background: rgba(255, 255, 255, 0.03);
  text-decoration: none;
}

.role-list-item.selected a {
  background: #1e2a3a;
  color: #fff;
}

.role-list-item .role-sub {
  color: var(--text-muted);
  font-size: 11px;
  margin-top: 2px;
}

.role-list-item .role-sub.warning {
  color: var(--warning);
}

.role-detail-cards {
  display: flex;
  gap: 12px;
}

.role-detail-cards > .card {
  flex: 1;
  min-width: 0;
}

@media (max-width: 899px) {
  .roles-layout {
    flex-direction: column;
  }

  .roles-layout .roles-list-col {
    width: 100%;
  }

  .role-detail-cards {
    flex-direction: column;
  }
}