/*
 * skm-modern.css
 * 수학의기술 통합 디자인 시스템 — attendance/class.blade.php 기반
 *
 * Bootstrap 3.4 위에서 동작
 * 배경: MAIN_COLOR (.env) → body { background-color } (app.blade.php 인라인)
 * 카드/테이블 내부: 중립 그레이 (눈 피로 최소화)
 * 액센트: 빨간색 — 카드 헤더 보더, 활성 버튼, 링크 hover
 *
 * 사용법: @section('style') 안에서
 *   <link href="{{ asset('css/skm-modern.css') }}" rel="stylesheet">
 */

/* ═══════════════════════════════════════════
   CSS VARIABLES (attendance-class.css와 공유)
   ═══════════════════════════════════════════ */
:root {
    --skm-bg: #FFFFFF;
    --skm-border: #D9DEE4;
    --skm-text: #1F2328;
    --skm-muted: #656D76;
    --skm-primary: #C0392B;
    --skm-radius: 6px;
    --skm-subtle: #FAFBFC;
    --skm-thead: #F4F6F8;
    --skm-hover: #FFF8F0;
    --skm-success: #5cb85c;
    --skm-danger: #d9534f;
    --skm-info: #4A5568;
}

/* ═══════════════════════════════════════════
   1. PAGE WRAPPER
   ═══════════════════════════════════════════ */
.skm-page-wrap {
    width: 1400px;
    max-width: 100%;
    margin: 0 auto;
    padding: 68px 20px 40px; /* 52px navbar + 16px breathing room */
    box-sizing: border-box;
}

.skm-page-wrap-wide {
    width: 1920px;
    max-width: 100%;
    margin: 0 auto;
    padding: 68px 20px 40px; /* 52px navbar + 16px breathing room */
    box-sizing: border-box;
}

/* ═══════════════════════════════════════════
   2. MODERN CARD (panel 대체)
   ═══════════════════════════════════════════ */
.skm-card {
    background: var(--skm-bg);
    border-radius: var(--skm-radius);
    box-shadow: 0 1px 4px rgba(0,0,0,0.08), 0 0 0 1px var(--skm-border);
    margin-bottom: 20px;
    overflow: visible;
}

.skm-card-header {
    padding: 14px 20px;
    border-bottom: 2px solid var(--skm-primary);
    background: var(--skm-bg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.skm-card-header h3,
.skm-card-header h4 {
    margin: 0 !important;
    font-size: 15px;
    font-weight: 600;
    color: var(--skm-text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.skm-card-header h3 .glyphicon,
.skm-card-header h4 .glyphicon {
    color: var(--skm-primary);
    font-size: 14px;
}

.skm-card-header .skm-header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.skm-card-body {
    padding: 16px 20px;
}

.skm-card-body-flush {
    padding: 0;
}

/* ═══════════════════════════════════════════
   3. SECTION HEADERS (패널 내부)
   ═══════════════════════════════════════════ */
.skm-section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--skm-text);
    margin: 0 0 12px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--skm-border);
    display: flex;
    align-items: center;
    gap: 6px;
}

.skm-section-title .glyphicon {
    color: var(--skm-primary);
    font-size: 12px;
}

/* ═══════════════════════════════════════════
   4. MODERN TABLE
   ═══════════════════════════════════════════ */
.skm-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--skm-bg);
    border: 1px solid var(--skm-border);
    border-radius: var(--skm-radius);
    overflow: hidden;
}

.skm-table > thead > tr > th {
    background: var(--skm-thead);
    color: var(--skm-text);
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    padding: 10px 8px !important;
    border: 1px solid var(--skm-border);
    white-space: nowrap;
    vertical-align: middle;
}

.skm-table > thead > tr > th .glyphicon {
    color: var(--skm-muted);
    margin-right: 3px;
    font-size: 11px;
}

.skm-table > tbody > tr > td {
    text-align: center;
    padding: 8px 6px !important;
    vertical-align: middle;
    border: 1px solid var(--skm-border);
    font-size: 13px;
    font-weight: 400;
    color: var(--skm-text);
}

/* ── 테이블 헤더 단독 클래스 (skm-table 없이도 사용 가능) ── */
th.skm-th,
td.skm-th {
    text-align: center;
    background: var(--skm-thead);
    font-size: 13px;
    font-weight: 600;
    color: var(--skm-text);
}

/* Zebra striping */
.skm-table > tbody > tr:nth-child(even) > td {
    background-color: var(--skm-subtle);
}

.skm-table > tbody > tr:nth-child(odd) > td {
    background-color: var(--skm-bg);
}

/* Row hover */
.skm-table > tbody > tr:hover > td {
    background-color: var(--skm-hover) !important;
    transition: background-color 0.15s ease;
}

/* Red row hover: 배경색 유지, 글자색 보장 */
.skm-table > tbody > tr.red:hover > td {
    background-color: #e05555 !important;
    color: white !important;
}

/* Empty table row */
.skm-table > tbody > tr > td[colspan] {
    color: var(--skm-muted);
    font-style: italic;
    padding: 20px 8px !important;
}

/* Table link styling */
.skm-table a {
    color: var(--skm-text);
    text-decoration: none;
    font-weight: 500;
}

.skm-table a:hover {
    color: var(--skm-primary);
    text-decoration: underline;
}

/* ═══════════════════════════════════════════
   5. MODERN BUTTONS
   ═══════════════════════════════════════════ */
.skm-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 500;
    padding: 5px 12px;
    border-radius: 4px;
    border: 1px solid var(--skm-border);
    background: var(--skm-bg);
    color: var(--skm-text);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    line-height: 1.5;
}

.skm-btn:hover {
    background: var(--skm-info);
    border-color: var(--skm-info);
    color: #fff;
    text-decoration: none;
}

.skm-btn .glyphicon {
    font-size: 8px;
}

/* Primary (red accent) */
.skm-btn-primary {
    background: var(--skm-primary);
    border-color: var(--skm-primary);
    color: #fff;
}

.skm-btn-primary:hover {
    background: #A93226;
    border-color: #A93226;
    color: #fff;
}

/* Success (green) */
.skm-btn-success {
    background: var(--skm-success);
    border-color: var(--skm-success);
    color: #fff;
}

.skm-btn-success:hover {
    background: #4a9e4a;
    border-color: #4a9e4a;
    color: #fff;
}

/* Info (dark gray) */
.skm-btn-info {
    background: var(--skm-info);
    border-color: var(--skm-info);
    color: #fff;
}

.skm-btn-info:hover {
    background: #2D3748;
    border-color: #2D3748;
    color: #fff;
}

/* Warning (amber) */
.skm-btn-warning {
    background: #f0ad4e;
    border-color: #eea236;
    color: #fff;
}

.skm-btn-warning:hover {
    background: #ec971f;
    border-color: #d58512;
    color: #fff;
}

/* Danger (red) */
.skm-btn-danger {
    background: #E74C3C;
    border-color: #E74C3C;
    color: #fff;
}

.skm-btn-danger:hover {
    background: #C0392B;
    border-color: #C0392B;
    color: #fff;
}

/* Small button */
.skm-btn-sm {
    font-size: 11px;
    padding: 3px 8px;
}

/* Extra small */
.skm-btn-xs {
    font-size: 10px;
    padding: 2px 6px;
}

/* ═══════════════════════════════════════════
   BOOTSTRAP .btn → SKM-MODERN OVERRIDE
   기존 Bootstrap 버튼을 skm-modern 디자인으로 통일
   ═══════════════════════════════════════════ */

/* ─── Base ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 500;
    padding: 5px 12px;
    border-radius: 4px;
    border: 1px solid var(--skm-border);
    background: var(--skm-bg);
    color: var(--skm-text);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    line-height: 1.5;
    white-space: nowrap;
}
.btn:hover,
.btn:focus {
    background: var(--skm-info);
    border-color: var(--skm-info);
    color: #fff;
    text-decoration: none;
    outline: none;
    box-shadow: none;
}
.btn:active,
.btn.active {
    box-shadow: inset 0 1px 3px rgba(0,0,0,.15);
}
.btn .glyphicon {
    font-size: 8px;
}
.btn[disabled],
.btn.disabled {
    opacity: .5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ─── Default ─── */
.btn-default {
    background: var(--skm-bg);
    border-color: var(--skm-border);
    color: var(--skm-text);
}
.btn-default:hover,
.btn-default:focus {
    background: var(--skm-hover);
    border-color: var(--skm-border);
    color: var(--skm-text);
}

/* ─── Primary (red accent) ─── */
.btn-primary {
    background: var(--skm-primary);
    border-color: var(--skm-primary);
    color: #fff;
}
.btn-primary:hover,
.btn-primary:focus {
    background: #A93226;
    border-color: #A93226;
    color: #fff;
}

/* ─── Success (green) ─── */
.btn-success {
    background: var(--skm-success);
    border-color: var(--skm-success);
    color: #fff;
}
.btn-success:hover,
.btn-success:focus {
    background: #4a9e4a;
    border-color: #4a9e4a;
    color: #fff;
}

/* ─── Info (dark gray) ─── */
.btn-info {
    background: var(--skm-info);
    border-color: var(--skm-info);
    color: #fff;
}
.btn-info:hover,
.btn-info:focus {
    background: #2D3748;
    border-color: #2D3748;
    color: #fff;
}

/* ─── Warning (amber) ─── */
.btn-warning {
    background: #f0ad4e;
    border-color: #eea236;
    color: #fff;
}
.btn-warning:hover,
.btn-warning:focus {
    background: #ec971f;
    border-color: #d58512;
    color: #fff;
}

/* ─── Danger (red) ─── */
.btn-danger {
    background: #E74C3C;
    border-color: #E74C3C;
    color: #fff;
}
.btn-danger:hover,
.btn-danger:focus {
    background: #C0392B;
    border-color: #C0392B;
    color: #fff;
}

/* ─── Sizes ─── */
.btn-sm {
    font-size: 11px;
    padding: 3px 8px;
}
.btn-xs {
    font-size: 10px;
    padding: 2px 6px;
}

/* ─── btn-group 정렬 ─── */
.btn-group > .btn {
    border-radius: 0;
}
.btn-group > .btn:first-child {
    border-radius: 4px 0 0 4px;
}
.btn-group > .btn:last-child {
    border-radius: 0 4px 4px 0;
}
.btn-group > .btn + .btn {
    margin-left: -1px;
}
.btn-group > .btn:hover,
.btn-group > .btn:focus {
    z-index: 2;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .btn {
        font-size: 11px;
        padding: 4px 8px;
    }
}
@media (max-width: 576px) {
    .btn, .skm-btn {
        font-size: 10px;
        padding: 3px 6px;
    }
    .btn-sm, .btn-xs, .skm-btn-sm, .skm-btn-xs {
        font-size: 10px;
        padding: 2px 5px;
    }
}

/* ═══════════════════════════════════════════
   6. MODERN FORMS
   ═══════════════════════════════════════════ */
.skm-form-group {
    margin-bottom: 14px;
}

.skm-form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--skm-text);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.skm-form-group label .glyphicon {
    font-size: 11px;
    color: var(--skm-muted);
}

.skm-form-control {
    border: 1px solid var(--skm-border);
    border-radius: 4px;
    padding: 6px 10px;
    font-size: 13px;
    color: var(--skm-text);
    background: var(--skm-bg);
    width: 100%;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.skm-form-control:focus {
    border-color: #A0C4E8;
    box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px rgba(102,175,233,.35);
    outline: none;
}

.skm-form-control::placeholder {
    color: #B0B8C1;
}

/* dropdown(bootstrap-select 등) 안에서는 padding 제거 */
.dropdown.skm-form-control {
    padding: 0;
}

/* bootstrap-select 드롭다운: navbar(z-index:1030)보다 위에 표시 */
.bootstrap-select.open .dropdown-menu,
.bootstrap-select .dropdown-menu.show,
.bs-container .dropdown-menu {
    z-index: 1050 !important;
}

/* Input group addon (date picker etc.) */
.skm-input-group .input-group-addon {
    background: var(--skm-primary);
    color: #fff;
    border: none;
    padding: 6px 10px;
    font-size: 12px;
}

.skm-input-group .form-control {
    border: 1px solid var(--skm-border);
    font-size: 13px;
}

/* ═══════════════════════════════════════════
   DATE PICKER INPUT  (.input-group.date)
   skm-month-nav 스타일과 통일된 날짜 선택 인풋
   ═══════════════════════════════════════════ */
.input-group.date {
    display: flex;
    align-items: center;
    width: 100%;
    border: 1px solid var(--skm-border);
    border-radius: 6px;
    background: #fff;
    transition: border-color .15s, box-shadow .15s;
}
.input-group.date:hover,
.input-group.date:focus-within {
    border-color: var(--skm-primary);
    box-shadow: 0 0 0 2px rgba(192, 57, 43, 0.08);
}

.input-group.date > .input-group-addon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    min-width: 36px;
    height: 36px;
    padding: 0;
    background: none;
    border: none;
    color: var(--skm-primary);
    font-size: 13px;
    cursor: pointer;
    flex-shrink: 0;
}
.input-group.date > .input-group-addon:first-child {
    border-right: 1px solid var(--skm-border);
    border-radius: 6px 0 0 6px;
}
.input-group.date > .input-group-addon:last-child {
    border-left: 1px solid var(--skm-border);
    border-radius: 0 6px 6px 0;
}

.input-group.date > .form-control {
    flex: 1;
    border: none;
    border-radius: 0;
    box-shadow: none;
    height: 36px;
    padding: 0 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--skm-text);
    background: transparent;
}
.input-group.date > .form-control:focus {
    box-shadow: none;
    outline: none;
}
.input-group.date > .form-control[readonly] {
    background: transparent;
    cursor: pointer;
}

/* input-group-sm 변형 */
.input-group.date.input-group-sm,
.input-group-sm.input-group.date {
    border-radius: 4px;
}
.input-group.date.input-group-sm > .input-group-addon,
.input-group-sm.input-group.date > .input-group-addon {
    width: 30px;
    min-width: 30px;
    height: 30px;
    font-size: 11px;
}
.input-group.date.input-group-sm > .form-control,
.input-group-sm.input-group.date > .form-control {
    height: 30px;
    font-size: 12px;
}

/* ─── Responsive ─── */
@media (max-width: 576px) {
    .input-group.date > .input-group-addon {
        width: 32px;
        min-width: 32px;
        height: 32px;
    }
    .input-group.date > .form-control {
        height: 32px;
        font-size: 12px;
    }
}

/* Textarea */
.skm-textarea {
    border: 1px solid var(--skm-border);
    border-radius: 4px;
    padding: 8px 10px;
    font-size: 13px;
    color: var(--skm-text);
    background: var(--skm-bg);
    width: 100%;
    resize: vertical;
    min-height: 60px;
}

.skm-textarea:focus {
    border-color: #A0C4E8;
    box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 6px rgba(102,175,233,.35);
    outline: none;
}

/* ═══════════════════════════════════════════
   7. BADGES & LABELS
   ═══════════════════════════════════════════ */
.skm-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 11px;
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 10px;
    line-height: 1.4;
}

.skm-badge-default {
    background: var(--skm-thead);
    color: var(--skm-muted);
}

.skm-badge-primary {
    background: #FDEAEA;
    color: var(--skm-primary);
}

.skm-badge-success {
    background: #E8F5E9;
    color: #2E7D32;
}

.skm-badge-danger {
    background: #FFEBEE;
    color: #C62828;
}

.skm-badge-info {
    background: #E8EDF2;
    color: var(--skm-info);
}

/* ═══════════════════════════════════════════
   8. STATUS INDICATORS
   ═══════════════════════════════════════════ */
.skm-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 4px;
}

.skm-dot-green { background-color: var(--skm-success); }
.skm-dot-red { background-color: var(--skm-danger); }
.skm-dot-gray { background-color: #B0B8C1; }

/* ═══════════════════════════════════════════
   9. NAV TABS (모던 스타일)
   ═══════════════════════════════════════════ */
.skm-tabs {
    border-bottom: 2px solid var(--skm-border);
    margin-bottom: 16px;
}

.skm-tabs > li {
    display: inline-block;
    float: none;
}

.skm-tabs > li > a {
    display: inline-block !important;
    padding: 8px 16px !important;
    font-size: 13px;
    font-weight: 500;
    color: var(--skm-muted);
    border: none !important;
    border-bottom: 2px solid transparent !important;
    margin-bottom: -2px;
    transition: all 0.15s ease;
    border-radius: 0;
    background: transparent;
}

.skm-tabs > li > a:hover {
    color: var(--skm-text);
    background: transparent;
    border-bottom-color: var(--skm-border) !important;
}

.skm-tabs > li.active > a,
.skm-tabs > li.active > a:hover,
.skm-tabs > li.active > a:focus {
    color: var(--skm-primary) !important;
    background: transparent !important;
    border: none !important;
    border-bottom: 2px solid var(--skm-primary) !important;
}

/* ═══════════════════════════════════════════
   10. DATATABLES OVERRIDE (모던 스타일)
   ═══════════════════════════════════════════ */
.skm-card .dataTables_wrapper {
    font-size: 13px;
}

/* DataTables 검색 입력 — 전역 */
.dataTables_wrapper .dataTables_filter input,
.skm-card .dataTables_wrapper .dataTables_filter input {
    border: 1px solid var(--skm-border);
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 13px;
}

.dataTables_wrapper .dataTables_filter input:focus,
.skm-card .dataTables_wrapper .dataTables_filter input:focus {
    border-color: #A0C4E8;
    box-shadow: 0 0 6px rgba(102,175,233,.35);
    outline: none;
}

.skm-card .dataTables_wrapper .dataTables_length select {
    border: 1px solid var(--skm-border);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 13px;
}

.skm-card .dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--skm-primary) !important;
    color: #fff !important;
    border-color: var(--skm-primary) !important;
}

.skm-card .dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--skm-thead) !important;
    border-color: var(--skm-border) !important;
    color: var(--skm-text) !important;
}

.skm-card .dataTables_wrapper .dataTables_info {
    font-size: 12px;
    color: var(--skm-muted);
}

/* DataTables thead 통합 */
.skm-card table.dataTable > thead > tr > th {
    background: var(--skm-thead) !important;
    color: var(--skm-text);
    font-size: 13px;
    font-weight: 600;
    border-bottom: 1px solid var(--skm-border);
}

.skm-card table.dataTable > tbody > tr > td {
    font-size: 13px;
    color: var(--skm-text);
}

.skm-card table.dataTable > tbody > tr:hover > td {
    background-color: var(--skm-hover) !important;
}

/* ── DataTables 페이지네이션 오른쪽 정렬 (전역) ── */
.dataTables_wrapper .dataTables_paginate {
    text-align: right;
    float: right;
}

/* ── DataTables 컨트롤 스타일 (Bootstrap 3.4 그리드 유지) ── */
.skm-card .dataTables_wrapper .dataTables_filter label,
.skm-card .dataTables_wrapper .dataTables_length label {
    font-size: 13px;
    color: var(--skm-muted);
    font-weight: 400;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ═══════════════════════════════════════════
   11. MODAL OVERRIDE
   ═══════════════════════════════════════════ */
.skm-modal .modal-content {
    border-radius: var(--skm-radius);
    border: none;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.skm-modal .modal-header {
    background: var(--skm-bg);
    border-bottom: 2px solid var(--skm-primary);
    padding: 14px 20px;
    border-radius: var(--skm-radius) var(--skm-radius) 0 0;
}

.skm-modal .modal-header .modal-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--skm-text);
}

.skm-modal .modal-body {
    padding: 20px;
    font-size: 13px;
}

.skm-modal .modal-footer {
    border-top: 1px solid var(--skm-border);
    padding: 12px 20px;
}

/* ═══════════════════════════════════════════
   12. EMPTY STATE
   ═══════════════════════════════════════════ */
.skm-empty {
    text-align: center;
    padding: 30px 20px;
    color: var(--skm-muted);
    font-size: 13px;
}

.skm-empty .glyphicon {
    display: block;
    font-size: 28px;
    margin-bottom: 10px;
    color: #D9DEE4;
}

/* ═══════════════════════════════════════════
   13. CHECKBOX / TOGGLE (모던 커스텀 박스)
   - 네이티브 input 은 완전 숨김 (접근성 유지: 탭 포커스 작동)
   - ::before 로 커스텀 박스, ::after 로 pure CSS 체크 마크
   - :has() 셀렉터로 checked / focus / disabled 상태 표현 (최신 브라우저)
   ═══════════════════════════════════════════ */
.skm-checkbox {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0 6px 26px;
    padding-left: 26px;
    min-height: 24px;
    font-size: 13px;
    color: var(--skm-text);
    cursor: pointer;
    user-select: none;
    line-height: 1.4;
}

/* 네이티브 input — 포커스 유지를 위해 display:none 대신 opacity 기법 */
.skm-checkbox input[type="checkbox"] {
    position: absolute;
    left: 0;
    top: 50%;
    width: 18px;
    height: 18px;
    margin: -9px 0 0;
    opacity: 0;
    cursor: pointer;
    z-index: 1;
}

/* 커스텀 박스 (::before) */
.skm-checkbox::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 18px;
    height: 18px;
    margin-top: -9px;
    background: #ffffff;
    border: 2px solid var(--skm-border, #D0D7DE);
    border-radius: var(--skm-radius, 4px);
    box-sizing: border-box;
    transition: background 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
}

/* 체크 마크 (::after — pure CSS rotate 트릭) */
.skm-checkbox::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 50%;
    width: 5px;
    height: 9px;
    margin-top: -6px;
    border: solid #ffffff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) scale(0);
    transform-origin: center;
    opacity: 0;
    transition: transform 150ms ease, opacity 120ms ease;
    pointer-events: none;
}

/* Hover — 기본 상태에서 강조 */
.skm-checkbox:hover::before {
    border-color: var(--skm-primary);
    background: #FDECEA;
}

/* Checked — :has() 로 wrapper 에서 체크 상태 감지 */
.skm-checkbox:has(input:checked)::before {
    background: var(--skm-primary);
    border-color: var(--skm-primary);
}

.skm-checkbox:has(input:checked)::after {
    transform: rotate(45deg) scale(1);
    opacity: 1;
}

/* Hover + Checked 조합 — 체크된 상태에서도 hover 색상 유지 */
.skm-checkbox:has(input:checked):hover::before {
    background: var(--skm-primary);
    border-color: var(--skm-primary);
    filter: brightness(0.92);
}

/* Focus visible — 키보드 탭 접근성 (마우스 클릭 시에는 표시 X) */
.skm-checkbox:has(input:focus-visible)::before {
    box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.25);
    border-color: var(--skm-primary);
}

/* Disabled */
.skm-checkbox:has(input:disabled) {
    opacity: 0.5;
    cursor: not-allowed;
}

.skm-checkbox:has(input:disabled)::before {
    background: #F6F8FA;
    border-color: var(--skm-border, #D0D7DE);
}

/* ═══════════════════════════════════════════
   14. SEARCH BAR
   ═══════════════════════════════════════════ */
.skm-search-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.skm-search-bar .form-control {
    border: 1px solid var(--skm-border);
    border-radius: 4px;
    font-size: 13px;
    padding: 6px 12px;
}

.skm-search-bar .form-control:focus {
    border-color: #A0C4E8;
    box-shadow: 0 0 6px rgba(102,175,233,.35);
}

/* ═══════════════════════════════════════════
   15. UTILITIES
   ═══════════════════════════════════════════ */
.skm-text-muted { color: var(--skm-muted) !important; }
.skm-text-primary { color: var(--skm-primary) !important; }
.skm-text-success { color: var(--skm-success) !important; }
.skm-text-danger { color: var(--skm-danger) !important; }

.skm-mt-0 { margin-top: 0 !important; }
.skm-mb-0 { margin-bottom: 0 !important; }
.skm-mb-8 { margin-bottom: 8px !important; }
.skm-mb-16 { margin-bottom: 16px !important; }
.skm-mb-20 { margin-bottom: 20px !important; }

.skm-flex { display: flex; align-items: center; }
.skm-flex-between { display: flex; align-items: center; justify-content: space-between; }
.skm-flex-gap-6 { gap: 6px; }
.skm-flex-gap-10 { gap: 10px; }
.skm-flex-wrap { flex-wrap: wrap; }

/* ── 출석 버튼 glyphicon 토글 (data-toggle="buttons" 안에서만 적용) ── */
[data-toggle="buttons"] .btn span.glyphicon { opacity: 0; }
[data-toggle="buttons"] .btn.active span.glyphicon { opacity: 1; }

/* ── 계정 전환 버튼 hover ── */
.skm-switch-btn:hover {
    background: var(--skm-hover) !important;
    border-color: var(--skm-primary) !important;
    color: var(--skm-primary) !important;
    text-decoration: none;
}

/* ── 패널 헤딩 기본 margin ── */
.panel-heading.skm-mb { margin-bottom: 15px; }

/* ═══════════════════════════════════════════
   16. PANEL → CARD MIGRATION HELPER
   (기존 .panel.panel-default에 .skm-card 추가 시 자동 적용)
   ═══════════════════════════════════════════ */
.panel.panel-default.skm-card {
    padding: 0 !important;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08), 0 0 0 1px var(--skm-border);
    border: none;
    border-radius: var(--skm-radius);
}

.panel.panel-default.skm-card > .panel-heading {
    padding: 14px 20px;
    border-bottom: 2px solid var(--skm-primary);
    background: var(--skm-bg);
    border-radius: var(--skm-radius) var(--skm-radius) 0 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--skm-text);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel.panel-default.skm-card > .panel-body {
    padding: 16px 20px;
}

/* ═══════════════════════════════════════════
   17. RESPONSIVE — 모바일 컬럼 가시성
   ═══════════════════════════════════════════ */

/* 모바일에서 숨길 컬럼 유틸리티 */
.skm-hide-mobile { }
.skm-hide-tablet { }
.skm-text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 120px;
}

/* ── 태블릿 (≤992px) ── */
@media (max-width: 992px) {
    .skm-hide-tablet,
    th.skm-hide-tablet,
    td.skm-hide-tablet {
        display: none !important;
    }

    .skm-text-truncate {
        max-width: 80px;
    }
}

/* ── 모바일 (≤768px) ── */
@media (max-width: 768px) {
    .skm-page-wrap,
    .skm-page-wrap-wide {
        padding: 62px 12px 30px; /* 52px navbar + 10px */
    }

    .skm-card-header {
        padding: 12px 14px;
        flex-direction: column;
        align-items: flex-start;
    }

    .panel.panel-default.skm-card > .panel-heading {
        padding: 10px 14px;
        font-size: 14px;
        flex-wrap: wrap;
        gap: 6px;
    }

    .skm-card-body {
        padding: 12px 14px;
    }

    .panel.panel-default.skm-card > .panel-body {
        padding: 10px 12px;
    }

    .skm-table > thead > tr > th,
    .skm-table > tbody > tr > td {
        font-size: 12px;
        padding: 6px 4px !important;
    }

    /* 일반 테이블(skm-table 없는)도 모바일 최적화 */
    .table > thead > tr > th,
    .table > tbody > tr > td {
        font-size: 12px;
        padding: 6px 5px !important;
    }

    .skm-btn {
        font-size: 11px;
        padding: 4px 8px;
    }

    .skm-hide-mobile,
    th.skm-hide-mobile,
    td.skm-hide-mobile {
        display: none !important;
    }

    .skm-text-truncate {
        max-width: 60px;
    }

    /* 테이블 가로 스크롤 래퍼 */
    .table-responsive {
        border: none;
        margin-bottom: 0;
    }

    /* 모달 전체 화면 */
    .skm-modal .modal-dialog {
        margin: 10px;
        width: auto;
    }

    /* DataTables 검색/페이지 컨트롤 */
    .dataTables_wrapper .dataTables_filter input {
        width: 120px !important;
    }

    .dataTables_wrapper .dataTables_length select {
        padding: 2px 4px;
    }
}

/* ── Full HD 모니터 (≥1400px) ── */
@media (min-width: 1400px) {
    .container {
        width: 1500px;
    }
}

/* ── 소형 모바일 (≤576px) ── */
@media (max-width: 576px) {
    .skm-table > thead > tr > th,
    .skm-table > tbody > tr > td {
        font-size: 11px;
        padding: 5px 3px !important;
    }

    .table > thead > tr > th,
    .table > tbody > tr > td {
        font-size: 11px;
        padding: 5px 3px !important;
    }

    .skm-btn {
        font-size: 10px;
        padding: 3px 6px;
    }

    .skm-btn-sm, .skm-btn-xs {
        font-size: 10px;
        padding: 2px 5px;
    }

    .skm-card-header,
    .panel.panel-default.skm-card > .panel-heading {
        font-size: 13px;
        padding: 8px 10px;
    }

    .panel.panel-default.skm-card > .panel-body {
        padding: 8px 10px;
    }

    .skm-text-truncate {
        max-width: 45px;
    }

    /* 긴 텍스트 자동 줄바꿈 방지 */
    .skm-table td {
        word-break: keep-all;
    }
}

/* ═══════════════════════════════════════════
   CLICKABLE TABLE ROWS
   — 목록 테이블에서 행 클릭 시 상세 이동
   ═══════════════════════════════════════════ */
tr[data-href] {
    cursor: pointer;
    transition: background-color 0.15s ease;
}

tr[data-href]:hover {
    background-color: #FFF5F5 !important;
}

tr[data-href]:active {
    background-color: #FDECEA !important;
}

/* ═══════════════════════════════════════════
   RADIO TOGGLE (segmented control)
   — 성별, 계열 등 2~4개 선택지
   ═══════════════════════════════════════════ */
.skm-radio-toggle {
    display: flex;
    gap: 0;
    justify-content: center;
}

.skm-radio-toggle label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    padding: 8px 24px;
    border: 1.5px solid var(--skm-border);
    margin: 0;
    color: var(--skm-muted);
    transition: all 0.2s ease;
    background: var(--skm-bg);
    position: relative;
    user-select: none;
}

.skm-radio-toggle label:first-child {
    border-radius: 6px 0 0 6px;
}

.skm-radio-toggle label:last-child {
    border-radius: 0 6px 6px 0;
}

.skm-radio-toggle label:not(:first-child) {
    border-left: none;
}

.skm-radio-toggle label:hover {
    border-color: var(--skm-primary);
    color: var(--skm-primary);
    background: #FFF5F5;
    z-index: 1;
}

.skm-radio-toggle input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.skm-radio-toggle input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.skm-radio-toggle label:has(input:checked) {
    background: var(--skm-primary);
    border-color: var(--skm-primary);
    color: #fff;
    z-index: 2;
    box-shadow: 0 2px 6px rgba(192, 57, 43, 0.25);
}

/* ═══════════════════════════════════════════
   RADIO PILLS (pill-shaped tags)
   — 추천경로, 설문 보기 등 5개+ 선택지
   ═══════════════════════════════════════════ */
.skm-radio-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 4px 0;
}

.skm-radio-pills label {
    display: inline-flex;
    align-items: center;
    padding: 9px 18px;
    border: 1.5px solid var(--skm-border);
    border-radius: 24px;
    font-size: 13px;
    font-weight: 400;
    color: var(--skm-muted);
    cursor: pointer;
    transition: all 0.25s ease;
    margin: 0;
    background: var(--skm-bg);
    user-select: none;
    position: relative;
}

.skm-radio-pills label:hover {
    border-color: var(--skm-primary);
    background: #FFF5F5;
    color: var(--skm-primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(192, 57, 43, 0.12);
}

.skm-radio-pills input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.skm-radio-pills input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.skm-radio-pills label:has(input:checked) {
    background: var(--skm-primary);
    border-color: var(--skm-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(192, 57, 43, 0.25);
}

@media (max-width: 576px) {
    .skm-radio-toggle label {
        padding: 6px 14px;
        font-size: 12px;
    }
    .skm-radio-pills label {
        padding: 7px 14px;
        font-size: 12px;
    }
}

/* ═══════════════════════════════════════════
   18. PAYMENT PAGE — SweetAlert 모달 테이블
   ═══════════════════════════════════════════ */

/* SweetAlert 내부 pre 태그 왼쪽 정렬 */
.swal2-html-container pre {
    text-align: left;
}

/* SweetAlert 내부 skm-table 스타일 보정 */
.swal2-html-container .skm-table,
.swal2-html-container .skm-payment-detail-table,
.swal2-html-container .skm-payment-footer-table {
    font-size: 13px;
    margin-bottom: 0;
}

.swal2-html-container .skm-table > tbody > tr > th {
    background: var(--skm-thead);
    color: var(--skm-text);
    font-size: 13px;
    font-weight: 600;
    padding: 8px 6px !important;
    border: 1px solid var(--skm-border);
    vertical-align: middle;
    text-align: center;
    white-space: nowrap;
}

.swal2-html-container .skm-table > tbody > tr > td {
    padding: 8px 6px !important;
    border: 1px solid var(--skm-border);
    vertical-align: middle;
    font-size: 13px;
    color: var(--skm-text);
}

.swal2-html-container .skm-table > tfoot > tr > td {
    padding: 8px 6px !important;
    border: 1px solid var(--skm-border);
    font-size: 13px;
    font-weight: 600;
    color: var(--skm-text);
}

/* Payment caption styling — SweetAlert 다크 모달 위에 사용되므로 흰색 */
.skm-payment-caption {
    caption-side: top;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    padding: 8px 4px;
    border-bottom: 2px solid var(--skm-primary);
    text-align: left;
}

/* ═══════════════════════════════════════════
   MONTH / DATE NAVIGATION
   ═══════════════════════════════════════════ */
.skm-month-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    /*margin-bottom: 10px;*/
}

.skm-month-nav__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: var(--skm-text);
    text-decoration: none;
    transition: background .15s, color .15s;
    cursor: pointer;
    flex-shrink: 0;
}
.skm-month-nav__btn:hover,
.skm-month-nav__btn:focus {
    background: var(--skm-hover);
    color: var(--skm-primary);
    text-decoration: none;
}
.skm-month-nav__btn--disabled,
.skm-month-nav__btn--disabled:hover {
    color: var(--skm-muted);
    opacity: .4;
    cursor: default;
    background: none;
    pointer-events: none;
}

.skm-month-nav__label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 15px;
    font-weight: 600;
    color: var(--skm-text);
    cursor: pointer;
    position: relative;
    margin-bottom: 0;
    user-select: none;
    white-space: nowrap;
}

/* hidden datepicker input — keeps #start_date working for JS */
.skm-month-nav__input {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    border: 0;
    padding: 0;
    font-size: 15px;
}

.skm-month-nav__now {
    display: inline-block;
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
    padding: 3px 6px;
    border-radius: 9px;
    background: var(--skm-primary);
    color: #fff;
    vertical-align: middle;
    margin-left: 2px;
}

/* ─── Responsive ─── */
@media (max-width: 576px) {
    .skm-month-nav { gap: 6px; }
    .skm-month-nav__btn { width: 32px; height: 32px; }
    .skm-month-nav__label { font-size: 13px; gap: 4px; }
}

/* ═══════════════════════════════════════════
   STICKY FOOTER
   — 콘텐츠가 짧아도 footer가 항상 뷰포트 하단에 위치
   ═══════════════════════════════════════════ */
#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

#app > footer,
#app > .skm-footer {
    margin-top: auto;
}

/* ═══════════════════════════════════════════
   SMS PAGE STYLES
   개인/단체/홍보 SMS 공통 디자인 시스템
   ═══════════════════════════════════════════ */

/* ─── Page Nav (개인/단체/홍보 전환) ─── */
.sms-page-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.sms-page-nav__link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    border: 1px solid var(--skm-border);
    color: var(--skm-muted);
    background: var(--skm-bg);
    text-decoration: none;
    transition: all .15s;
}
.sms-page-nav__link:hover {
    border-color: var(--skm-primary);
    color: var(--skm-primary);
    text-decoration: none;
}
.sms-page-nav__link--active,
.sms-page-nav__link--active:hover {
    background: var(--skm-primary);
    border-color: var(--skm-primary);
    color: #fff;
}

/* ─── Balance Badge ─── */
.sms-balance {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 16px;
    background: var(--skm-hover);
    color: var(--skm-text);
}
.sms-balance__icon {
    font-size: 11px;
    color: var(--skm-success);
}

/* ─── SMS Page Wrapper (navbar 가림 방지) ─── */
.sms-page-wrap {
    max-width: 1400px;
    margin: 0 auto;
    padding: 68px 16px 40px; /* 52px navbar + 16px breathing room */
    box-sizing: border-box;
}

/* ─── Top Bar (nav + balance) ─── */
.sms-top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
    padding: 12px 16px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid var(--skm-border);
}

/* ─── Layout: 2-column ─── */
.sms-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: start;
}
@media (max-width: 992px) {
    .sms-layout {
        grid-template-columns: 1fr;
    }
}

/* ─── SMS Card ─── */
.sms-card {
    background: #fff;
    border: 1px solid var(--skm-border);
    border-radius: 8px;
    overflow: visible;
}
.sms-card__header {
    display: flex;
    align-items: center;
    border-radius: 8px 8px 0 0;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--skm-hover);
    border-bottom: 1px solid var(--skm-border);
    font-size: 13px;
    font-weight: 600;
    color: var(--skm-text);
}
.sms-card__body {
    padding: 16px;
}

/* ─── Tabs (메시지 템플릿) ─── */
.sms-tabs {
    display: flex;
    gap: 0;
    list-style: none;
    margin: 0 0 14px 0;
    padding: 0;
    border-bottom: 2px solid var(--skm-border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.sms-tabs__item {
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--skm-muted);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: all .15s;
    cursor: pointer;
}
.sms-tabs__item a {
    color: inherit;
    text-decoration: none;
}
.sms-tabs__item a:hover,
.sms-tabs__item a:focus {
    color: inherit;
    text-decoration: none;
}
.sms-tabs__item:hover {
    color: var(--skm-text);
    text-decoration: none;
}
.sms-tabs__item--active,
.sms-tabs__item--active:hover,
.sms-tabs__item--active a,
.sms-tabs__item--active a:hover {
    color: var(--skm-primary);
    border-bottom-color: var(--skm-primary);
}

/* ─── Message Editor ─── */
.sms-editor {
    position: relative;
}
.sms-editor__textarea {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    border: 1px solid var(--skm-border);
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--skm-text);
    resize: vertical;
    transition: border-color .15s;
}
.sms-editor__textarea:focus {
    border-color: var(--skm-primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(192, 57, 43, 0.08);
}
.sms-editor__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 6px;
    font-size: 11px;
    color: var(--skm-muted);
}
.sms-editor__charcount {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
.sms-editor__charcount--over {
    color: var(--skm-primary);
}
.sms-editor__byteinfo {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-variant-numeric: tabular-nums;
    color: var(--skm-muted);
}
.sms-type-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .3px;
    line-height: 16px;
    vertical-align: middle;
}
.sms-type-badge--sms {
    background: #e8f5e9;
    color: #2e7d32;
}
.sms-type-badge--lms {
    background: #fff3e0;
    color: #e65100;
}
.sms-type-badge--mms {
    background: #fce4ec;
    color: #c62828;
}
.sms-type-badge--ata {
    background: #fff9c4;
    color: #f57f17;
}
.sms-type-badge--cta {
    background: #e3f2fd;
    color: #0277bd;
}

/* ═══════════════════════════════════════
   발송내역 상세 모달 (sms-management)
   ═══════════════════════════════════════ */
.sms-detail-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1050;
    display: none;
}
.sms-detail-modal__backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    cursor: pointer;
}
.sms-detail-modal__content {
    position: relative;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
    width: 90%;
    max-width: 720px;
    max-height: calc(100vh - 84px);
    margin: 68px auto 16px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.sms-detail-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--skm-border);
    background: #fafafa;
}
.sms-detail-modal__title {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--skm-text);
}
.sms-detail-modal__title .glyphicon {
    color: var(--skm-primary);
    margin-right: 4px;
}
.sms-detail-modal__close {
    border: none;
    background: transparent;
    font-size: 24px;
    line-height: 1;
    color: var(--skm-muted);
    cursor: pointer;
    padding: 0 6px;
}
.sms-detail-modal__close:hover {
    color: var(--skm-text);
}
.sms-detail-modal__body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 18px;
}
.sms-detail-modal__footer {
    padding: 10px 18px;
    border-top: 1px solid var(--skm-border);
    text-align: right;
    background: #fafafa;
}
.sms-detail-section {
    margin-bottom: 18px;
}
.sms-detail-section:last-child {
    margin-bottom: 0;
}
.sms-detail-section__title {
    margin: 0 0 8px;
    font-size: 12px;
    font-weight: 700;
    color: var(--skm-primary);
    letter-spacing: .3px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--skm-border);
    padding-bottom: 4px;
}
.sms-detail-dl {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 6px 12px;
    margin: 0;
    font-size: 12px;
}
.sms-detail-dl dt {
    color: var(--skm-muted);
    font-weight: 500;
    padding: 4px 0;
}
.sms-detail-dl dd {
    margin: 0;
    padding: 4px 0;
    color: var(--skm-text);
    word-break: break-all;
}
.sms-detail-dl dd code {
    background: #f5f5f5;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
    color: var(--skm-text);
}
.sms-detail-text {
    background: #fafafa;
    border: 1px solid var(--skm-border);
    border-radius: 4px;
    padding: 10px;
    font-size: 12px;
    line-height: 1.5;
    color: var(--skm-text);
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 240px;
    overflow-y: auto;
    margin: 0;
    text-align: left;
}
body.sms-detail-modal-open {
    overflow: hidden;
}
.msg-row-clickable:hover {
    background-color: #fff8f5;
}

/* 모바일 대응 */
@media (max-width: 768px) {
    .sms-detail-modal__content {
        width: 95%;
        max-width: none;
        margin: 68px auto 8px;
        max-height: calc(100vh - 76px);
    }
    .sms-detail-dl {
        grid-template-columns: 90px 1fr;
        font-size: 11px;
    }
    .sms-detail-modal__body {
        padding: 12px;
    }
}

/* glyphicon-spin (로딩 아이콘) */
.glyphicon-spin {
    animation: skm-spin 1s infinite linear;
}
@keyframes skm-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ─── Image Preview ─── */
.sms-image-preview {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
}
.sms-image-preview img {
    max-height: 60px;
    border-radius: 4px;
    border: 1px solid var(--skm-border);
}

/* ─── Reservation Row ─── */
.sms-reservation {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
    padding: 10px 12px;
    background: var(--skm-hover);
    border-radius: 6px;
}
.sms-reservation__label {
    font-size: 12px;
    font-weight: 600;
    color: var(--skm-text);
    white-space: nowrap;
}
.sms-reservation .form-control {
    width: auto;
    min-width: 130px;
    height: 32px;
    font-size: 12px;
    padding: 4px 8px;
}

/* ─── Recipient Chips ─── */
.sms-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 500;
    border-radius: 12px;
    border: 1px solid var(--skm-border);
    background: #fff;
    color: var(--skm-text);
}
.sms-chip--selected {
    background: var(--skm-primary);
    border-color: var(--skm-primary);
    color: #fff;
}

/* ─── Recipient Table ─── */
.sms-recipient-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}
.sms-recipient-table th {
    background: var(--skm-hover);
    padding: 6px 8px;
    font-weight: 600;
    text-align: left;
    border-bottom: 1px solid var(--skm-border);
    white-space: nowrap;
}
.sms-recipient-table td {
    padding: 5px 8px;
    border-bottom: 1px solid var(--skm-border);
    vertical-align: middle;
}
.sms-recipient-table tr:hover {
    background: var(--skm-hover);
}

/* ─── Send Button Area ─── */
.sms-send-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--skm-border);
}

/* ─── Filter Bar (홍보 SMS) ─── */
.sms-filter {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: flex-end;
    margin-bottom: 12px;
}
.sms-filter__group {
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.sms-filter__label {
    font-size: 11px;
    font-weight: 600;
    color: var(--skm-muted);
}

/* ─── Loading Overlay ─── */
.sms-loading {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,.35);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}
.sms-loading.active {
    display: flex;
}
.sms-loading__spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(255,255,255,.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: sms-spin .7s linear infinite;
}
@keyframes sms-spin {
    to { transform: rotate(360deg); }
}

/* ─── Sticky Message Panel (우측 고정) ─── */
.sms-msg-panel {
    position: sticky;
    top: 68px; /* 52px navbar + 16px breathing room */
}
@media (max-width: 992px) {
    .sms-msg-panel { position: static; }
}

/* ─── Collapsible Notice (접기 가능 안내문) ─── */
.sms-notice-collapse {
    margin-bottom: 8px;
}
.sms-notice-collapse__toggle {
    cursor: pointer;
    padding: 4px 0;
    font-size: 12px;
    font-weight: 600;
    user-select: none;
    list-style: none;
}
.sms-notice-collapse__toggle::-webkit-details-marker {
    display: none;
}
.sms-notice-collapse__toggle::before {
    content: '\25B6'; /* ▶ */
    display: inline-block;
    margin-right: 4px;
    font-size: 9px;
    transition: transform .15s;
}
.sms-notice-collapse[open] > .sms-notice-collapse__toggle::before {
    transform: rotate(90deg);
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .sms-top-bar { padding: 10px 12px; }
    .sms-page-nav__link { padding: 5px 10px; font-size: 11px; }
    .sms-card__body { padding: 12px; }
    .sms-tabs__item { padding: 6px 10px; font-size: 11px; }
    .sms-editor__textarea { min-height: 100px; }
}
@media (max-width: 576px) {
    .sms-layout { gap: 10px; }
    .sms-top-bar { flex-direction: column; align-items: flex-start; }
    .sms-reservation { flex-direction: column; align-items: stretch; }
}

/* ═══════════════════════════════════════════
   RECRUIT PAGE STYLES
   선생님/부담임 채용 페이지 공통 디자인
   ═══════════════════════════════════════════ */

/* ─── Recruit Layout (2-column) ─── */
.recruit-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 16px;
    align-items: start;
}
@media (max-width: 992px) {
    .recruit-layout {
        grid-template-columns: 1fr;
    }
}

/* ─── Recruit Status Pipeline ─── */
.recruit-pipeline {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 12px 0;
}
.recruit-pipeline__step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 500;
    color: var(--skm-muted);
    position: relative;
}
.recruit-pipeline__step--active {
    color: var(--skm-primary);
    font-weight: 700;
}
.recruit-pipeline__step--done {
    color: var(--skm-success);
    font-weight: 600;
}
.recruit-pipeline__step--fail {
    color: var(--skm-danger);
    font-weight: 600;
}
.recruit-pipeline__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--skm-border);
    background: #fff;
    transition: all 0.2s ease;
}
.recruit-pipeline__dot--active {
    background: var(--skm-primary);
    border-color: var(--skm-primary);
    box-shadow: 0 0 0 3px rgba(192,57,43,0.15);
}
.recruit-pipeline__dot--done {
    background: var(--skm-success);
    border-color: var(--skm-success);
}
.recruit-pipeline__dot--fail {
    background: var(--skm-danger);
    border-color: var(--skm-danger);
}
.recruit-pipeline__line {
    width: 32px;
    height: 2px;
    background: var(--skm-border);
    flex-shrink: 0;
}
.recruit-pipeline__line--done {
    background: var(--skm-success);
}

/* ─── Resume Preview ─── */
.recruit-resume-preview {
    border: 1px solid var(--skm-border);
    border-radius: var(--skm-radius);
    overflow: hidden;
    background: var(--skm-subtle);
}
.recruit-resume-preview__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    background: var(--skm-thead);
    border-bottom: 1px solid var(--skm-border);
    font-size: 12px;
    font-weight: 600;
    color: var(--skm-text);
}
.recruit-resume-preview__body {
    min-height: 300px;
    background: #fff;
}
.recruit-resume-preview__body iframe {
    width: 100%;
    min-height: 500px;
    border: none;
    display: block;
}
.recruit-resume-preview__body img {
    width: 100%;
    display: block;
}
.recruit-resume-preview__empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--skm-muted);
    font-size: 13px;
}

/* ─── Interview Meta Info ─── */
.recruit-interview__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 14px;
    padding: 10px 14px;
    background: var(--skm-subtle);
    border-radius: var(--skm-radius);
    border: 1px solid var(--skm-border);
}
.recruit-interview__meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--skm-muted);
}
.recruit-interview__meta-item strong {
    color: var(--skm-text);
    font-weight: 600;
}
.recruit-interview__meta-item a {
    color: var(--skm-primary);
    text-decoration: none;
}
.recruit-interview__meta-item a:hover {
    text-decoration: underline;
}

/* ─── Form Row (horizontal label + input) ─── */
.recruit-form-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.recruit-form-row__label {
    min-width: 80px;
    font-size: 13px;
    font-weight: 600;
    color: var(--skm-text);
    flex-shrink: 0;
}
.recruit-form-row__body {
    flex: 1;
    min-width: 0;
}

/* ─── Type Toggle Section ─── */
.recruit-type-section {
    padding: 12px 0;
    border-top: 1px solid var(--skm-border);
    border-bottom: 1px solid var(--skm-border);
    margin: 12px 0;
}
.recruit-type-section__label {
    font-size: 12px;
    font-weight: 600;
    color: var(--skm-muted);
    margin-bottom: 8px;
}

/* ─── File Upload Styled ─── */
.recruit-file-input {
    display: flex;
    align-items: center;
    gap: 8px;
}
.recruit-file-input input[type="file"] {
    font-size: 12px;
    color: var(--skm-text);
}
.recruit-file-input input[type="file"]::file-selector-button {
    padding: 4px 12px;
    border: 1px solid var(--skm-border);
    border-radius: 4px;
    background: var(--skm-bg);
    color: var(--skm-text);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}
.recruit-file-input input[type="file"]::file-selector-button:hover {
    background: var(--skm-hover);
    border-color: var(--skm-primary);
    color: var(--skm-primary);
}

/* ─── Recruit Responsive ─── */
@media (max-width: 768px) {
    .recruit-layout { gap: 12px; }
    .recruit-pipeline { flex-wrap: wrap; justify-content: center; }
    .recruit-pipeline__line { width: 20px; }
    .recruit-form-row { flex-direction: column; align-items: flex-start; gap: 4px; }
    .recruit-form-row__label { min-width: auto; }
    .recruit-interview__meta { gap: 8px; padding: 8px 10px; }
    .recruit-resume-preview__body iframe { min-height: 350px; }
}
@media (max-width: 576px) {
    .recruit-layout { gap: 10px; }
    .recruit-pipeline__step { font-size: 10px; }
    .recruit-pipeline__dot { width: 10px; height: 10px; }
    .recruit-pipeline__line { width: 16px; }
    .recruit-resume-preview__body iframe { min-height: 250px; }
}

/* ═══════════════════════════════════════════
   DATEPICKER — skm-modern 스타일 오버라이드
   ═══════════════════════════════════════════ */
.datepicker {
    border: 1px solid var(--skm-border, #D9DEE4);
    border-radius: var(--skm-radius, 6px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.10);
    font-family: inherit;
    padding: 4px;
}

.datepicker table {
    width: 100%;
}

.datepicker thead tr:first-child th {
    font-weight: 700;
    font-size: 13px;
    color: var(--skm-text, #1F2328);
    padding: 6px 4px;
    cursor: pointer;
}

.datepicker thead tr:first-child th:hover {
    background: var(--skm-hover, #FFF8F0);
    border-radius: 4px;
}

.datepicker thead tr:last-child th {
    font-weight: 600;
    font-size: 11px;
    color: var(--skm-muted, #656D76);
    padding: 4px 0;
}

.datepicker tbody td {
    padding: 4px;
    font-size: 12px;
    border-radius: 4px;
    color: var(--skm-text, #1F2328);
}

.datepicker tbody td:hover {
    background: var(--skm-hover, #FFF8F0);
}

.datepicker tbody td.today {
    background: rgba(192,57,43,0.08);
    color: var(--skm-primary, #C0392B);
    font-weight: 700;
}

.datepicker tbody td.today:hover {
    background: rgba(192,57,43,0.15);
}

.datepicker tbody td.active,
.datepicker tbody td.active:hover,
.datepicker tbody td.active.highlighted {
    background: var(--skm-primary, #C0392B);
    color: #fff;
    font-weight: 700;
}

.datepicker tbody td.old,
.datepicker tbody td.new {
    color: var(--skm-muted, #656D76);
    opacity: 0.5;
}

.datepicker tbody td.disabled,
.datepicker tbody td.disabled:hover {
    color: #ccc;
    cursor: not-allowed;
}

.datepicker tfoot td {
    font-size: 12px;
    font-weight: 600;
    color: var(--skm-primary, #C0392B);
    padding: 4px;
    cursor: pointer;
}

.datepicker tfoot td:hover {
    background: var(--skm-hover, #FFF8F0);
    border-radius: 4px;
}


/* ═══════════════════════════════════════════
   STATS DASHBOARD — 통일 디자인 시스템
   /stats, /stats/branches, /stats/customer, /stats/status 4개 페이지 공통
   ═══════════════════════════════════════════ */

/* ── 페이지 래퍼 ── */
.skm-stats-page {
    background: #f0f2f5;
    min-height: 100vh;
    width: 100%;
}
.skm-stats-page__content {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px 40px;
    box-sizing: border-box;
}

/* ── 빨간 그라데이션 배너 (상단) ── */
.skm-stats-banner {
    background: linear-gradient(135deg, #C0392B 0%, #7B241C 100%);
    /* 52px navbar + 24px breathing room = 76px navbar clearance */
    padding: 76px 0 24px;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
    color: #fff;
}
.skm-stats-banner::after {
    content: '';
    position: absolute;
    right: -60px; top: -60px;
    width: 200px; height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    pointer-events: none;
}
.skm-stats-banner__inner {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    position: relative;
    z-index: 1;
}
.skm-stats-banner__title {
    color: #fff;
    font-size: 22px;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}
.skm-stats-banner__title i {
    font-weight: 300;
    opacity: 0.7;
    font-style: italic;
}
.skm-stats-banner__title .glyphicon {
    opacity: 0.85;
    font-size: 18px;
}
.skm-stats-banner__controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.skm-stats-banner__badge {
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.skm-stats-banner__badge .glyphicon {
    font-size: 11px;
    opacity: 0.85;
}

/* ── 배너 내부 skm-month-nav 흰색 오버라이드 (스코프) ── */
.skm-stats-banner .skm-month-nav {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 20px;
}
.skm-stats-banner .skm-month-nav__btn {
    color: #fff;
    background: transparent;
}
.skm-stats-banner .skm-month-nav__btn:hover,
.skm-stats-banner .skm-month-nav__btn:focus {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    outline: none;
}
.skm-stats-banner .skm-month-nav__label {
    color: #fff;
    font-weight: 700;
}
/* 특이도 (0,3,0) 만으로 기본 glyphicon 색 오버라이드 충분 */
.skm-stats-banner .skm-month-nav__label .glyphicon {
    color: rgba(255, 255, 255, 0.85);
}
.skm-stats-banner .skm-month-nav__input {
    background: transparent;
    color: #fff;
    border: none;
}

/* ── 배너 내부 btn-period (기간 선택 버튼) ── */
.skm-stats-banner .btn-period {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.skm-stats-banner .btn-period:hover,
.skm-stats-banner .btn-period.active {
    background: #fff;
    color: #C0392B;
    border-color: #fff;
}
.skm-stats-banner .btn-period:hover .glyphicon,
.skm-stats-banner .btn-period.active .glyphicon {
    color: #C0392B;
}

/* ── 통일 KPI 카드 그리드 ── */
.skm-stats-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}
.skm-stats-kpi-card {
    background: #fff;
    border-radius: var(--skm-radius, 6px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    padding: 16px 14px;
    text-align: center;
    transition: transform 0.15s, box-shadow 0.15s;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}
.skm-stats-kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}
.skm-stats-kpi-card.is-active {
    border-color: var(--skm-primary, #C0392B);
    box-shadow: 0 4px 12px rgba(192, 57, 43, 0.18);
}
.skm-stats-kpi-card .kpi-label,
.skm-stats-kpi-card .skm-stats-kpi-card__label {
    font-size: 11px;
    font-weight: 700;
    color: var(--skm-muted, #656D76);
    letter-spacing: 0.4px;
    margin-bottom: 6px;
}
.skm-stats-kpi-card .kpi-value,
.skm-stats-kpi-card .skm-stats-kpi-card__value {
    font-size: 24px;
    font-weight: 800;
    color: var(--skm-text, #1F2328);
    line-height: 1.2;
}
.skm-stats-kpi-card .kpi-sub,
.skm-stats-kpi-card .skm-stats-kpi-card__sub {
    font-size: 11px;
    color: var(--skm-muted, #656D76);
    margin-top: 4px;
}

/* ── 통일 섹션 카드 (차트/표 컨테이너) ── */
.skm-stats-section {
    background: #fff;
    border-radius: var(--skm-radius, 6px);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    padding: 20px 22px;
    margin-bottom: 22px;
}
.skm-stats-section__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 800;
    color: var(--skm-text, #1F2328);
    margin: 0 0 14px;
}
.skm-stats-section__title .glyphicon {
    color: var(--skm-primary, #C0392B);
    font-size: 13px;
}
.skm-stats-section__desc {
    font-size: 12px;
    color: var(--skm-muted, #656D76);
    margin: -8px 0 12px;
    line-height: 1.5;
}

/* ── 반응형: 태블릿 (992px) ── */
@media (max-width: 992px) {
    .skm-stats-banner {
        padding: 72px 0 20px;
    }
    .skm-stats-banner__inner {
        padding: 0 16px;
    }
}

/* ── 반응형: 모바일 (768px) ── */
@media (max-width: 768px) {
    .skm-stats-banner {
        padding: 68px 0 18px;
        margin-bottom: 18px;
    }
    .skm-stats-banner__inner {
        padding: 0 14px;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .skm-stats-banner__title {
        font-size: 18px;
    }
    .skm-stats-banner__controls {
        width: 100%;
        justify-content: flex-start;
    }
    .skm-stats-page__content {
        padding: 0 14px 30px;
    }
    .skm-stats-kpi-grid {
        grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
        gap: 10px;
    }
    .skm-stats-kpi-card .kpi-value,
    .skm-stats-kpi-card .skm-stats-kpi-card__value {
        font-size: 20px;
    }
    .skm-stats-section {
        padding: 16px 14px;
    }
}

/* ── 반응형: 소형 모바일 (480px) ── */
@media (max-width: 480px) {
    .skm-stats-banner {
        padding: 64px 0 14px;
    }
    .skm-stats-banner__title {
        font-size: 16px;
    }
    .skm-stats-kpi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
}

/* ═══════════════════════════════════════════════════════════════
   sms-management 발송내역 Solapi 스타일 리디자인
   2-탭(전송요청내역/메시지목록) + 빠른 기간 + 그룹 상세 모달
   ═══════════════════════════════════════════════════════════════ */

/* ─── 상단 툴바 ─── */
.msg-toolbar {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}
.msg-toolbar__row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: flex-end;
}

/* ─── 빠른 기간 버튼 ─── */
.quick-range-group {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
}
.quick-range-group__label {
    font-size: 11px;
    color: var(--skm-muted);
    margin-right: 4px;
}
.quick-range-btn {
    padding: 4px 12px;
    font-size: 12px;
    border: 1px solid var(--skm-border);
    background: #fff;
    color: var(--skm-text);
    border-radius: 14px;
    cursor: pointer;
    transition: all .15s;
}
.quick-range-btn:hover {
    border-color: var(--skm-primary);
    color: var(--skm-primary);
    background: #fff8f5;
}

/* ─── 서브 탭 ─── */
.msg-subtab {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--skm-border);
    margin-bottom: 14px;
}
.msg-subtab__item {
    padding: 8px 16px;
    border: none;
    background: transparent;
    font-size: 13px;
    font-weight: 500;
    color: var(--skm-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all .15s;
}
.msg-subtab__item:hover {
    color: var(--skm-text);
}
.msg-subtab__item--active {
    color: var(--skm-primary);
    border-bottom-color: var(--skm-primary);
    font-weight: 600;
}
.msg-subpane { display: none; }
.msg-subpane--active { display: block; }
.msg-table-wrap { overflow-x: auto; }

/* ─── 그룹 상태 배지 ─── */
.group-status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
}
.group-status-badge--success { background: #dcfce7; color: #16a34a; }
.group-status-badge--fail    { background: #fee2e2; color: #dc2626; }
.group-status-badge--pending { background: #fef3c7; color: #d97706; }
.group-status-badge--scheduled { background: #e0e7ff; color: #4338ca; }

/* ─── 그룹 현황 프로그레스 ─── */
.group-progress {
    width: 100px;
    height: 8px;
    background: #f1f1f1;
    border-radius: 4px;
    overflow: hidden;
    display: inline-block;
    vertical-align: middle;
    margin-right: 6px;
}
.group-progress__bar {
    height: 100%;
    background: var(--skm-primary);
    transition: width .2s;
}
.group-progress__label {
    color: var(--skm-muted);
    font-size: 11px;
    white-space: nowrap;
}

/* ═══════════════════════════════════════
   그룹 상세 모달 (Solapi 스타일)
   ═══════════════════════════════════════ */
.sms-group-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1060;
    display: none;
}
.sms-group-modal__backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    cursor: pointer;
}
.sms-group-modal__content {
    position: relative;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
    width: 1200px;
    max-width: calc(100% - 32px);
    max-height: calc(100vh - 84px);
    margin: 68px auto 16px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.sms-group-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--skm-border);
    background: #fafafa;
}
.sms-group-modal__title {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--skm-text);
}
.sms-group-modal__title .glyphicon {
    color: var(--skm-primary);
    margin-right: 4px;
}
.sms-group-modal__close {
    border: none;
    background: transparent;
    font-size: 24px;
    line-height: 1;
    color: var(--skm-muted);
    cursor: pointer;
    padding: 0 6px;
}
.sms-group-modal__close:hover { color: var(--skm-text); }
.sms-group-modal__body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 18px;
}
.sms-group-modal__footer {
    padding: 10px 18px;
    border-top: 1px solid var(--skm-border);
    text-align: right;
    background: #fafafa;
}

/* ─── 그룹 모달 탭 ─── */
.group-modal-tabs {
    display: flex;
    border-bottom: 1px solid var(--skm-border);
    padding: 0 18px;
    background: #fafafa;
}
.group-modal-tab {
    padding: 10px 18px;
    border: none;
    background: transparent;
    font-size: 13px;
    font-weight: 500;
    color: var(--skm-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}
.group-modal-tab--active {
    color: var(--skm-primary);
    border-bottom-color: var(--skm-primary);
    font-weight: 600;
}
.group-tabpane { width: 100%; }

/* ─── 그룹 요약 2-컬럼 그리드 ─── */
.group-summary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.group-summary-left,
.group-summary-right {
    min-width: 0;
}
.group-divider {
    border: none;
    border-top: 1px solid var(--skm-border);
    margin: 12px 0;
}

/* 상태 카드 */
.group-status-card { text-align: center; padding: 8px 0; }
.group-status-card__label {
    display: block;
    font-size: 11px;
    color: var(--skm-muted);
    margin-bottom: 4px;
}
.group-status-card__value {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    color: var(--skm-text);
}

/* 카운트 행 */
.group-count-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    text-align: center;
}
.group-count-item__label {
    display: block;
    font-size: 11px;
    color: var(--skm-muted);
    margin-bottom: 4px;
}
.group-count-item__value {
    font-size: 18px;
    font-weight: 700;
    color: var(--skm-text);
}
.group-count-item__value--success { color: var(--skm-primary); }
.group-count-item__value--failed  { color: var(--skm-danger); }

/* 타임라인 */
.group-timeline {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 0;
    flex-wrap: wrap;
}
.group-timeline__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 80px;
}
.group-timeline__dot {
    width: 10px;
    height: 10px;
    background: var(--skm-primary);
    border-radius: 50%;
    margin-bottom: 4px;
}
.group-timeline__label {
    font-size: 11px;
    color: var(--skm-muted);
}
.group-timeline__time {
    font-size: 11px;
    color: var(--skm-text);
    font-weight: 500;
}
.group-timeline__arrow {
    flex: 1;
    height: 1px;
    background: var(--skm-border);
    min-width: 20px;
}

/* 비용 요약 */
.group-cost-summary { text-align: right; }
.group-cost-summary__label {
    display: inline-block;
    font-size: 12px;
    color: var(--skm-muted);
    margin-right: 8px;
}
.group-cost-summary__value {
    font-size: 20px;
    font-weight: 700;
    color: var(--skm-text);
}

/* 자세한 정보 펼치기 */
.group-detail-expand-btn {
    width: 100%;
    border: 1px dashed var(--skm-border);
    background: #fff;
    padding: 8px 12px;
    font-size: 12px;
    color: var(--skm-muted);
    cursor: pointer;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.group-detail-expand-btn:hover {
    border-color: var(--skm-primary);
    color: var(--skm-primary);
}
.group-detail-expand {
    margin-top: 8px;
    padding: 12px;
    background: #fafbfc;
    border: 1px solid var(--skm-border);
    border-radius: 6px;
}
.group-detail-dl {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 6px 12px;
    margin: 0;
    font-size: 12px;
}
.group-detail-dl dt {
    color: var(--skm-muted);
    font-weight: 500;
}
.group-detail-dl dd {
    margin: 0;
    color: var(--skm-text);
    word-break: break-all;
}

/* 수발신 정보 */
.group-recipient-info {
    display: flex;
    align-items: stretch;
    gap: 16px;
    padding: 12px;
    border: 1px solid var(--skm-border);
    border-radius: 6px;
    margin-bottom: 12px;
}
.group-recipient-info__item { flex: 1; min-width: 0; }
.group-recipient-info__label {
    font-size: 11px;
    color: var(--skm-muted);
    display: block;
    margin-bottom: 2px;
}
.group-recipient-info__value {
    margin: 0;
    font-size: 13px;
    color: var(--skm-text);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.group-recipient-info__divider {
    width: 1px;
    background: var(--skm-border);
}

/* 메시지 메타 */
.group-msg-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0 8px;
    font-size: 11px;
    color: var(--skm-muted);
}
.group-msg-meta__text { flex: 1; }

/* 카카오 프리뷰 카드 */
.kakao-preview-card {
    border: 1px solid var(--skm-border);
    border-radius: 10px;
    overflow: hidden;
    background: #fff;
    margin-top: 8px;
}
.kakao-preview-card__header {
    background: #FEE500;
    color: #3C1E1E;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 600;
}
.kakao-preview-card__channel {
    display: flex;
    align-items: center;
    gap: 6px;
}
.kakao-preview-card__channel-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #3C1E1E;
}
.kakao-preview-card__label {
    font-size: 11px;
    background: rgba(60, 30, 30, .1);
    padding: 1px 6px;
    border-radius: 8px;
}
.kakao-preview-card__body { padding: 12px; }
.kakao-preview-card__text {
    margin: 0;
    font-size: 12px;
    color: var(--skm-text);
    white-space: pre-wrap;
    word-break: break-all;
    font-family: inherit;
    max-height: 320px;
    overflow-y: auto;
    text-align: left;
    background: transparent;
    border: none;
    padding: 0;
}

/* 일반 텍스트 프리뷰 */
.group-text-preview {
    border: 1px solid var(--skm-border);
    border-radius: 6px;
    background: #fafafa;
    padding: 12px;
    margin-top: 8px;
}
.group-text-preview pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-all;
    font-family: inherit;
    font-size: 12px;
    color: var(--skm-text);
    text-align: left;
    background: transparent;
    border: none;
    padding: 0;
    max-height: 320px;
    overflow-y: auto;
}

/* 모바일 반응형 */
@media (max-width: 768px) {
    .sms-group-modal__content {
        width: 100%;
        max-width: 100%;
        max-height: 100vh;
        margin: 0;
        border-radius: 0;
    }
    .group-summary-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .group-timeline {
        justify-content: flex-start;
        overflow-x: auto;
    }
    .msg-toolbar__row { gap: 6px; }
    .quick-range-group { gap: 4px; }
}

/* ─── 메시지 목록/그룹모달 메시지 타입 배경 태그 ─── */
.msg-type-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .3px;
    min-width: 40px;
    text-align: center;
}
.msg-type-tag--kakao { background: #fff9c4; color: #f57f17; }
.msg-type-tag--sms   { background: #e3f2fd; color: #0277bd; }

/* ─── 카카오 프리뷰 카드 — 변수 테이블 / 템플릿 / 버튼 ─── */
.kakao-preview-card__tpl-info {
    padding: 6px 0;
    font-size: 11px;
    border-bottom: 1px dashed var(--skm-border);
    margin-bottom: 8px;
}
.kakao-preview-card__tpl-label {
    color: var(--skm-muted);
    margin-right: 6px;
}
.kakao-preview-card__variables {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--skm-border);
}
.kakao-vars-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}
.kakao-vars-table th {
    background: #fef9e7;
    color: #856404;
    font-weight: 600;
    text-align: left;
    padding: 4px 8px;
    border: 1px solid #f0e6c0;
    font-size: 11px;
}
.kakao-vars-table td {
    padding: 4px 8px;
    border: 1px solid var(--skm-border);
    vertical-align: top;
}
.kakao-vars-table code {
    background: #fff3cd;
    padding: 1px 4px;
    border-radius: 2px;
    font-size: 11px;
    color: #856404;
}
.kakao-preview-card__buttons {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--skm-border);
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.kakao-preview-btn {
    display: block;
    width: 100%;
    padding: 8px 12px;
    background: #f8f9fa;
    border: 1px solid var(--skm-border);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    color: #3C1E1E;
    text-align: center;
    cursor: default;
}