html, body {
    font-family: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

/* AppBar 배지 잘림 방지 */
.mud-appbar,
.mud-appbar .mud-toolbar,
.mud-appbar .mud-badge-root {
    overflow: visible !important;
}

.mud-appbar .mud-toolbar {
    padding-top: 4px;
}

/* 메인 콘텐츠 영역 스크롤 허용 (설정 페이지 등 긴 콘텐츠) */
.mud-main-content {
    overflow-y: auto;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ── iSecureX Dashboard Custom Styles ── */

.fc-stat-card {
    background: var(--surface) !important;
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: border-color 0.2s;
}

.fc-stat-card:hover {
    border-color: var(--border);
}

.fc-stat-value {
    font-size: 28px !important;
    font-weight: 700 !important;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    line-height: 1.2;
}

.fc-card {
    background: var(--surface) !important;
    border: 1px solid var(--border);
    border-radius: 12px;
}

.fc-acu-chip {
    background: var(--surface-2) !important;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.fc-acu-disconnected {
    border-color: var(--danger) !important;
    background: var(--danger-bg) !important;
}

.fc-mono {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 11px;
}

.fc-muted {
    color: var(--text-muted);
}

.text-muted {
    color: var(--text-muted) !important;
}

/* ── 클릭 가능한 카드/영역 ── */
.fc-card-clickable {
    cursor: pointer;
    transition: border-color 0.15s, background-color 0.15s, transform 0.15s;
}

.fc-card-clickable:hover {
    border-color: var(--accent) !important;
    background: rgba(34, 211, 238, 0.06);
}

.fc-alarm-substat.fc-card-clickable:hover {
    border-color: rgba(239,68,68,0.3) !important;
    background: rgba(239,68,68,0.06);
}

/* ── 대시보드 출입문 상태 도넛 ── */
.fc-door-donut-card {
    height: 100%;
}

.fc-alarm-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.fc-alarm-hero {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 4px 0 12px;
    border-bottom: 1px solid var(--border-soft);
    margin-bottom: 12px;
}

.fc-alarm-hero .fc-stat-value {
    font-size: 40px !important;
    line-height: 1;
    margin-bottom: 4px;
}

.fc-alarm-substats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 12px;
}

.fc-alarm-substat {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.fc-alarm-substat-label {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.3px;
}

.fc-alarm-substat-value {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.fc-alarm-unack {
    color: #ef4444 !important;
}

.fc-alarm-cta {
    margin-top: auto;
}

/* ── 최근 알람 피드 ── */
.fc-alarm-feed {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 12px;
    padding: 8px 0;
    border-top: 1px solid var(--border-soft);
}

.fc-alarm-feed-title {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.3px;
    margin-bottom: 2px;
    padding: 2px 2px;
}

.fc-alarm-feed-row {
    display: grid;
    grid-template-columns: 64px 1fr auto;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 6px;
    background: rgba(239,68,68,0.05);
    border: 1px solid rgba(239,68,68,0.12);
}

.fc-alarm-feed-time {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 11px;
    color: var(--text-muted);
}

.fc-alarm-feed-body {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.fc-alarm-feed-device {
    font-size: 12px;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fc-alarm-feed-type {
    font-size: 11px;
    color: #ef4444;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ── 도넛 카드 헤더 통계 ── */
.fc-header-stats {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.fc-header-stat {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.2px;
}

.fc-header-stat b {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-weight: 700;
    font-size: 13px;
    color: var(--text);
    margin: 0 1px;
}

.fc-header-stat--ok b { color: #10b981; }
.fc-header-stat--err { color: #ef4444; }
.fc-header-stat--err b { color: #ef4444; }

/* ── 개방/폐쇄 Reader 리스트 ── */
.fc-door-status-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border-soft);
}

.fc-door-status-header {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
    color: var(--text-muted);
}

.fc-door-status-hint {
    font-weight: 400;
    letter-spacing: 0;
    color: var(--text-faint);
}

.fc-door-status-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.fc-door-status-label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
    min-width: 72px;
    padding-top: 4px;
}

.fc-door-status-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    flex: 1;
}

.fc-door-chip {
    font-size: 11px;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: 12px;
    border: 1px solid transparent;
    white-space: nowrap;
    transition: border-color 0.15s, background 0.15s;
}

.fc-door-chip--open {
    background: rgba(245,158,11,0.1);
    color: #f59e0b;
    border-color: rgba(245,158,11,0.25);
}

.fc-door-chip--lock {
    background: rgba(239,68,68,0.1);
    color: #ef4444;
    border-color: rgba(239,68,68,0.25);
}

.fc-door-chip--more {
    background: var(--surface-2);
    color: var(--text-muted);
    border-color: var(--border);
}

.fc-door-chip.fc-card-clickable:hover {
    border-color: var(--accent) !important;
    background: rgba(34, 211, 238, 0.08);
}

/* ── 그룹 편집: 리더 선택 체크박스 리스트 ── */
.fc-reader-picker-list {
    max-height: 280px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px 0;
}

.fc-reader-picker-group-head {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--surface);
    border-bottom: 1px solid var(--border-soft);
    transition: background .12s ease;
}

.fc-reader-picker-group-head:hover {
    background: var(--surface-2);
}

/* 접이식 트리 — ACU 전개/접힘 체브론 */
.fc-rp-chevron {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    flex: none;
}

.fc-reader-picker-acu {
    font-size: 12px;
    font-weight: 600;
}

.fc-reader-picker-count {
    margin-left: auto;
    font-size: 10px;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.fc-reader-picker-items {
    display: flex;
    flex-direction: column;
    /* ACU 헤드의 체브론+체크박스 폭만큼 리더를 더 들여써 계층이 보이게 */
    padding: 2px 10px 8px 62px;
}

/* 선택된 멤버 뱃지 — 많아져도 영역이 무한정 늘지 않도록 캡 + 스크롤 */
.fc-member-badges {
    max-height: 104px;
    overflow-y: auto;
}

/* 저장/취소 액션바 — 편집 패널 하단에 고정해 리스트가 길어도 항상 보이게 */
.fc-edit-actions {
    position: sticky;
    bottom: 0;
    z-index: 2;
    display: flex;
    gap: 8px;
    background: var(--surface);
    padding: 12px 0 4px;
    margin-top: 8px;
    border-top: 1px solid var(--border-soft);
}

/* ── ACU 연결 현황 ── */
.fc-acu-header {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.fc-acu-compact {
    padding: 10px 16px;
}

.fc-acu-compact .fc-acu-header {
    margin-bottom: 0;
}

.fc-donut-layout {
    display: flex;
    align-items: center;
    gap: 32px;
    padding: 8px 4px 4px;
}

.fc-donut-wrap {
    position: relative;
    width: 180px;
    height: 180px;
    flex-shrink: 0;
}

.fc-donut-center {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.fc-donut-total {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 32px;
    font-weight: 700;
    line-height: 1;
    color: var(--text);
}

.fc-donut-sub {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    letter-spacing: 0.5px;
}

.fc-donut-legend {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
}

.fc-legend-row {
    display: grid;
    grid-template-columns: 10px 1fr auto auto;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border-radius: 6px;
    background: var(--surface-2);
    border: 1px solid var(--border);
}

.fc-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.fc-legend-label {
    font-size: 13px;
    color: var(--text);
    font-weight: 500;
}

.fc-legend-value {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 15px;
    font-weight: 700;
}

.fc-legend-pct {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 11px;
    color: var(--text-muted);
    min-width: 36px;
    text-align: right;
}

.fc-donut-svg {
    display: block;
    width: 180px;
    height: 180px;
}

@media (max-width: 768px) {
    .fc-donut-layout {
        flex-direction: column;
        gap: 16px;
    }
}

/* ── NavMenu (사이드바) 밀도/간격 조정 ── */
.fc-nav-menu .mud-nav-link {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    gap: 16px;
    border-radius: 8px;
    margin: 2px 8px;
    min-height: 44px;
}

.fc-nav-menu .mud-nav-link .mud-nav-link-icon {
    margin-right: 0;
    font-size: 22px;
}

.fc-nav-menu .mud-nav-link .mud-icon-root {
    font-size: 22px;
    width: 22px;
    height: 22px;
}

.fc-nav-menu .mud-nav-link-text {
    font-size: 14px;
    letter-spacing: 0.1px;
}

.fc-nav-menu .mud-nav-link.active {
    background: rgba(34, 211, 238, 0.12);
    color: var(--accent);
}

.fc-nav-menu .mud-nav-link.active .mud-icon-root {
    color: var(--accent);
}

/* 사이트 전환 드롭다운 (SiteSwitcher) — 메뉴 크기 확대 */
.fc-site-switcher-list {
    min-width: 260px;
}

/* 사업장 명칭이 MudBlazor 버튼 기본 스타일로 대문자화되지 않도록 강제(원문 대소문자 유지).
   .mud-button-root/.mud-button-label 을 명시해 MudBlazor 규칙보다 높은 우선순위 확보. */
.fc-site-switcher,
.fc-site-switcher *,
.fc-site-switcher .mud-button-root,
.fc-site-switcher .mud-button-label {
    text-transform: none !important;
}

.fc-site-switcher-list .mud-list-item {
    padding-top: 10px;
    padding-bottom: 10px;
}

/* 사이트 모드 배지 (WBS 4.1 Phase C) — 페이지 상단에서 현재 데이터 범위를 표시 */
.fc-site-mode-badge {
    font-weight: 500;
    letter-spacing: 0.2px;
}