/* ============================
   정산관리시스템 - 스타일시트
   ============================ */
   @import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700&display=swap');

   :root {
     --primary: #2563eb;
     --primary-dark: #1d4ed8;
     --primary-light: #dbeafe;
     --success: #16a34a;
     --success-light: #dcfce7;
     --danger: #dc2626;
     --danger-light: #fee2e2;
     --warning: #d97706;
     --warning-light: #fef3c7;
     --gray-50: #f9fafb;
     --gray-100: #f3f4f6;
     --gray-200: #e5e7eb;
     --gray-300: #d1d5db;
     --gray-400: #9ca3af;
     --gray-500: #6b7280;
     --gray-600: #4b5563;
     --gray-700: #374151;
     --gray-800: #1f2937;
     --gray-900: #111827;
     --sidebar-w: 240px;
     --header-h: 56px;
   }
   
   * { margin: 0; padding: 0; box-sizing: border-box; }
   
   body {
     font-family: 'Noto Sans KR', -apple-system, sans-serif;
     font-size: 14px;
     color: var(--gray-800);
     background: var(--gray-50);
     line-height: 1.5;
   }
   
   /* ── 로그인 ── */
   .login-wrap {
     min-height: 100vh;
     display: flex;
     align-items: center;
     justify-content: center;
     background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
   }
   .login-box {
     background: #fff;
     padding: 48px 40px;
     border-radius: 16px;
     width: 400px;
     box-shadow: 0 20px 60px rgba(0,0,0,.15);
   }
   .login-box h1 {
     font-size: 22px;
     font-weight: 700;
     text-align: center;
     margin-bottom: 8px;
     color: var(--gray-900);
   }
   .login-box .sub {
     text-align: center;
     color: var(--gray-500);
     margin-bottom: 32px;
     font-size: 13px;
   }
   .login-box input {
     width: 100%;
     padding: 12px 14px;
     border: 1px solid var(--gray-300);
     border-radius: 8px;
     font-size: 14px;
     margin-bottom: 14px;
     outline: none;
     transition: border .2s;
   }
   .login-box input:focus { border-color: var(--primary); }
   .login-box button {
     width: 100%;
     padding: 13px;
     background: var(--primary);
     color: #fff;
     border: none;
     border-radius: 8px;
     font-size: 15px;
     font-weight: 600;
     cursor: pointer;
     transition: background .2s;
   }
   .login-box button:hover { background: var(--primary-dark); }
   .login-error {
     color: var(--danger);
     font-size: 13px;
     text-align: center;
     margin-top: 12px;
     display: none;
   }
   
   /* ── 레이아웃 ── */
   .app-layout { display: flex; min-height: 100vh; }
   
   .sidebar {
     width: var(--sidebar-w);
     background: var(--gray-900);
     color: #fff;
     position: fixed;
     top: 0; left: 0; bottom: 0;
     overflow-y: auto;
     z-index: 100;
     transition: transform .3s;
   }
   .sidebar-logo {
     padding: 20px 20px 16px;
     font-size: 16px;
     font-weight: 700;
     border-bottom: 1px solid var(--gray-700);
     display: flex;
     align-items: center;
     gap: 10px;
   }
   .sidebar-logo span { font-size: 20px; }
   
   .sidebar-nav { padding: 12px 0; }
   .nav-group-title {
     padding: 12px 20px 6px;
     font-size: 11px;
     text-transform: uppercase;
     color: var(--gray-500);
     font-weight: 600;
     letter-spacing: .5px;
   }
   .nav-item {
     display: flex;
     align-items: center;
     gap: 10px;
     padding: 10px 20px;
     color: var(--gray-400);
     text-decoration: none;
     font-size: 13px;
     cursor: pointer;
     transition: all .15s;
     border-left: 3px solid transparent;
   }
   .nav-item:hover { background: rgba(255,255,255,.05); color: #fff; }
   .nav-item.active {
     background: rgba(37,99,235,.15);
     color: #fff;
     border-left-color: var(--primary);
     font-weight: 500;
   }
   .nav-item .icon { font-size: 16px; width: 20px; text-align: center; }
   
   /* ── 메인영역 ── */
   .main-area {
     margin-left: var(--sidebar-w);
     flex: 1;
     display: flex;
     flex-direction: column;
   }
   .header {
     height: var(--header-h);
     background: #fff;
     border-bottom: 1px solid var(--gray-200);
     display: flex;
     align-items: center;
     justify-content: space-between;
     padding: 0 24px;
     position: sticky;
     top: 0;
     z-index: 50;
   }
   .header-title { font-size: 16px; font-weight: 600; }
   .header-user {
     display: flex;
     align-items: center;
     gap: 12px;
     font-size: 13px;
     color: var(--gray-600);
   }
   .header-user .user-name { font-weight: 500; }
   .btn-logout {
     padding: 6px 14px;
     border: 1px solid var(--gray-300);
     border-radius: 6px;
     background: #fff;
     font-size: 12px;
     cursor: pointer;
     color: var(--gray-600);
     transition: all .15s;
   }
   .btn-logout:hover { background: var(--gray-100); }
   
   .content { padding: 24px; flex: 1; }
   
   /* ── 페이지 헤더 ── */
   .page-header {
     display: flex;
     justify-content: space-between;
     align-items: center;
     margin-bottom: 20px;
   }
   .page-title { font-size: 20px; font-weight: 700; }
   
   /* ── 버튼 ── */
   .btn {
     display: inline-flex;
     align-items: center;
     gap: 6px;
     padding: 8px 16px;
     border-radius: 8px;
     font-size: 13px;
     font-weight: 500;
     border: none;
     cursor: pointer;
     transition: all .15s;
   }
   .btn-primary { background: var(--primary); color: #fff; }
   .btn-primary:hover { background: var(--primary-dark); }
   .btn-success { background: var(--success); color: #fff; }
   .btn-danger { background: var(--danger); color: #fff; }
   .btn-outline {
     background: #fff;
     border: 1px solid var(--gray-300);
     color: var(--gray-700);
   }
   .btn-outline:hover { background: var(--gray-100); }
   .btn-sm { padding: 5px 10px; font-size: 12px; }
   
   /* ── 카드 ── */
   .card {
     background: #fff;
     border-radius: 12px;
     border: 1px solid var(--gray-200);
     overflow: hidden;
   }
   .card-header {
     padding: 16px 20px;
     border-bottom: 1px solid var(--gray-200);
     display: flex;
     justify-content: space-between;
     align-items: center;
   }
   .card-body { padding: 20px; }
   
   /* ── 툴바 ── */
   .toolbar {
     display: flex;
     gap: 10px;
     align-items: center;
     margin-bottom: 16px;
     flex-wrap: wrap;
   }
   .search-input {
     padding: 8px 14px;
     border: 1px solid var(--gray-300);
     border-radius: 8px;
     font-size: 13px;
     width: 260px;
     outline: none;
     transition: border .2s;
   }
   .search-input:focus { border-color: var(--primary); }
   
   /* ── 테이블 ── */
   .table-wrap { overflow-x: auto; }
   table {
     width: 100%;
     border-collapse: collapse;
     font-size: 13px;
   }
   thead { background: var(--gray-50); }
   th {
     padding: 12px 14px;
     text-align: left;
     font-weight: 600;
     color: var(--gray-600);
     border-bottom: 2px solid var(--gray-200);
     white-space: nowrap;
     font-size: 12px;
   }
   td {
     padding: 11px 14px;
     border-bottom: 1px solid var(--gray-100);
     color: var(--gray-700);
   }
   tr:hover td { background: var(--gray-50); }
   
   /* ── 뱃지 ── */
   .badge {
     display: inline-block;
     padding: 3px 10px;
     border-radius: 20px;
     font-size: 11px;
     font-weight: 600;
   }
   .badge-active { background: var(--success-light); color: var(--success); }
   .badge-inactive { background: var(--gray-200); color: var(--gray-500); }
   .badge-wait { background: var(--warning-light); color: var(--warning); }
   .badge-done { background: var(--success-light); color: var(--success); }
   .badge-fail { background: var(--danger-light); color: var(--danger); }
   
   /* ── 페이지네이션 ── */
   .pagination {
     display: flex;
     justify-content: center;
     align-items: center;
     gap: 6px;
     margin-top: 20px;
   }
   .pagination button {
     padding: 6px 12px;
     border: 1px solid var(--gray-300);
     border-radius: 6px;
     background: #fff;
     font-size: 12px;
     cursor: pointer;
   }
   .pagination button.active {
     background: var(--primary);
     color: #fff;
     border-color: var(--primary);
   }
   .pagination button:disabled { opacity: .4; cursor: default; }
   .pagination .info { font-size: 12px; color: var(--gray-500); margin: 0 10px; }
   
   /* ── 모달 ── */
   .modal-overlay {
     position: fixed;
     top: 0; left: 0; right: 0; bottom: 0;
     background: rgba(0,0,0,.4);
     display: flex;
     align-items: center;
     justify-content: center;
     z-index: 1000;
     opacity: 0;
     pointer-events: none;
     transition: opacity .2s;
   }
   .modal-overlay.show { opacity: 1; pointer-events: all; }
   .modal {
     background: #fff;
     border-radius: 16px;
     width: 560px;
     max-height: 85vh;
     overflow-y: auto;
     box-shadow: 0 20px 60px rgba(0,0,0,.2);
     transform: translateY(20px);
     transition: transform .2s;
   }
   .modal-overlay.show .modal { transform: translateY(0); }
   .modal-header {
     padding: 20px 24px;
     border-bottom: 1px solid var(--gray-200);
     display: flex;
     justify-content: space-between;
     align-items: center;
   }
   .modal-header h3 { font-size: 17px; font-weight: 700; }
   .modal-close {
     background: none; border: none;
     font-size: 22px; cursor: pointer;
     color: var(--gray-400);
     line-height: 1;
   }
   .modal-body { padding: 24px; }
   .modal-footer {
     padding: 16px 24px;
     border-top: 1px solid var(--gray-200);
     display: flex;
     justify-content: flex-end;
     gap: 8px;
   }
   
   /* ── 폼 ── */
   .form-group { margin-bottom: 16px; }
   .form-group label {
     display: block;
     font-size: 13px;
     font-weight: 500;
     color: var(--gray-700);
     margin-bottom: 6px;
   }
   .form-group input,
   .form-group select,
   .form-group textarea {
     width: 100%;
     padding: 10px 12px;
     border: 1px solid var(--gray-300);
     border-radius: 8px;
     font-size: 13px;
     outline: none;
     transition: border .2s;
     font-family: inherit;
   }
   .form-group input:focus,
   .form-group select:focus,
   .form-group textarea:focus { border-color: var(--primary); }
   .form-row {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 16px;
   }
   
   /* ── 통계 카드 ── */
   .stat-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
     gap: 16px;
     margin-bottom: 24px;
   }
   .stat-card {
     background: #fff;
     border: 1px solid var(--gray-200);
     border-radius: 12px;
     padding: 20px;
   }
   .stat-card .label {
     font-size: 12px;
     color: var(--gray-500);
     margin-bottom: 6px;
   }
   .stat-card .value {
     font-size: 24px;
     font-weight: 700;
     color: var(--gray-900);
   }
   .stat-card .sub {
     font-size: 11px;
     color: var(--gray-400);
     margin-top: 4px;
   }
   
   /* ── 토스트 ── */
   .toast-container {
     position: fixed;
     top: 20px;
     right: 20px;
     z-index: 2000;
     display: flex;
     flex-direction: column;
     gap: 8px;
   }
   .toast {
     padding: 14px 20px;
     border-radius: 10px;
     color: #fff;
     font-size: 13px;
     font-weight: 500;
     box-shadow: 0 6px 20px rgba(0,0,0,.15);
     animation: toastIn .3s ease;
     max-width: 360px;
   }
   .toast-success { background: var(--success); }
   .toast-error { background: var(--danger); }
   .toast-info { background: var(--primary); }
   
   @keyframes toastIn {
     from { transform: translateX(100%); opacity: 0; }
     to { transform: translateX(0); opacity: 1; }
   }
   
   /* ── 금액 포맷 ── */
   .text-right { text-align: right; }
   .text-center { text-align: center; }
   .money { font-variant-numeric: tabular-nums; }
   
   /* ── 빈 상태 ── */
   .empty-state {
     padding: 60px 20px;
     text-align: center;
     color: var(--gray-400);
   }
   .empty-state .icon { font-size: 48px; margin-bottom: 12px; }
   .empty-state p { font-size: 14px; }
   
   /* ── 파일 업로드 ── */
   .upload-zone {
     border: 2px dashed var(--gray-300);
     border-radius: 12px;
     padding: 40px;
     text-align: center;
     cursor: pointer;
     transition: all .2s;
     background: var(--gray-50);
   }
   .upload-zone:hover { border-color: var(--primary); background: var(--primary-light); }
   .upload-zone .icon { font-size: 40px; color: var(--gray-400); }
   .upload-zone p { margin-top: 10px; color: var(--gray-500); font-size: 13px; }
   .upload-zone input { display: none; }
   
   /* ── 로딩 ── */
   .loading {
     display: flex;
     align-items: center;
     justify-content: center;
     padding: 40px;
   }
   .spinner {
     width: 32px; height: 32px;
     border: 3px solid var(--gray-200);
     border-top-color: var(--primary);
     border-radius: 50%;
     animation: spin .6s linear infinite;
   }
   @keyframes spin { to { transform: rotate(360deg); } }
   
   /* ── 탭 ── */
   .tabs {
     display: flex;
     gap: 0;
     border-bottom: 2px solid var(--gray-200);
     margin-bottom: 20px;
   }
   .tab {
     padding: 10px 20px;
     font-size: 13px;
     font-weight: 500;
     color: var(--gray-500);
     cursor: pointer;
     border-bottom: 2px solid transparent;
     margin-bottom: -2px;
     transition: all .15s;
   }
   .tab:hover { color: var(--gray-700); }
   .tab.active {
     color: var(--primary);
     border-bottom-color: var(--primary);
   }