:root{
  --ink:#1A2238; --ink-soft:#333A52; --paper:#FAF9F6; --paper-line:#E4E1D8;
  --card:#FFFFFF; --text:#232733; --text-dim:#6B7080;
  --sales:#2E6F95; --purchase:#7C5E3B; --expense:#B8442F; --vat:#5B5F97; --net:#2F7D5B;
  --stamp:#B0432E; --gold:#A6812E; --radius:10px;
  --mono:'IBM Plex Mono',ui-monospace,monospace; --sans:'Pretendard',-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
[hidden]{display:none !important;}
body{font-family:var(--sans);background:var(--paper);color:var(--text);font-size:14px;line-height:1.5;}
button,input,select{font-family:inherit;font-size:inherit;}
code{font-family:var(--mono);background:#EFEDE6;padding:1px 5px;border-radius:4px;font-size:12px;}

/* 로그인 */
.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(var(--paper),var(--paper)),repeating-linear-gradient(0deg,transparent,transparent 27px,var(--paper-line) 28px);}
.login-card{background:var(--card);border:1px solid var(--paper-line);border-radius:var(--radius);
  padding:40px 36px;width:340px;box-shadow:0 12px 32px rgba(26,34,56,.08);text-align:center;}
.login-mark{width:44px;height:44px;border-radius:50%;background:var(--stamp);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;margin:0 auto 16px;transform:rotate(-8deg);}
.login-card h1{font-size:20px;font-weight:800;margin-bottom:4px;}
.login-sub{color:var(--text-dim);font-size:13px;margin-bottom:28px;}
.btn-google{width:100%;padding:12px 16px;background:#fff;border:1px solid #DADCE0;border-radius:6px;
  font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;color:#3C4043;}
.btn-google:hover{background:#F7F8F8;box-shadow:0 1px 3px rgba(0,0,0,.08);}
.g-icon{width:20px;height:20px;border-radius:50%;background:conic-gradient(#EA4335 0 25%,#FBBC05 0 50%,#34A853 0 75%,#4285F4 0);
  color:#fff;font-weight:800;font-size:12px;display:flex;align-items:center;justify-content:center;}
.error-text{color:var(--expense);font-size:12.5px;margin-top:12px;min-height:16px;}
.login-hint{margin-top:18px;font-size:12px;color:var(--text-dim);}

/* 레이아웃 */
.app-shell{display:flex;min-height:100vh;}
.sidebar{width:220px;flex-shrink:0;background:var(--ink);color:#fff;display:flex;flex-direction:column;padding:22px 16px;}
.brand{display:flex;align-items:center;gap:10px;margin-bottom:32px;padding:0 4px;}
.brand-mark{width:32px;height:32px;border-radius:50%;background:var(--stamp);display:flex;align-items:center;
  justify-content:center;font-size:11px;font-weight:700;transform:rotate(-8deg);}
.brand-name{font-weight:700;font-size:14px;}
.nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.nav-btn{text-align:left;background:none;border:none;color:#C7CAD9;padding:10px 12px;border-radius:6px;
  cursor:pointer;font-size:13.5px;font-weight:500;}
.nav-btn:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav-btn.active{background:rgba(255,255,255,.12);color:#fff;}
.sidebar-foot{border-top:1px solid rgba(255,255,255,.12);padding-top:14px;display:flex;flex-direction:column;gap:8px;}
.user-email{font-size:11.5px;color:#9BA0B5;word-break:break-all;}
.btn-ghost{background:none;border:1px solid rgba(255,255,255,.2);color:#C7CAD9;padding:7px 10px;border-radius:6px;cursor:pointer;font-size:12.5px;}
.btn-ghost:hover{color:#fff;border-color:#fff;}

.main{flex:1;padding:28px 36px 60px;max-width:1180px;}
.view{display:none;}
.view.active{display:block;}
.view-header{margin-bottom:22px;}
.view-header h2{font-size:20px;font-weight:800;margin-bottom:4px;}
.view-desc{color:var(--text-dim);font-size:13px;line-height:1.6;}
.header-controls{display:flex;gap:10px;align-items:center;margin-top:12px;flex-wrap:wrap;}
select{padding:8px 12px;border:1px solid var(--paper-line);border-radius:6px;background:#fff;}
.btn-secondary{padding:8px 14px;background:#fff;border:1px solid var(--ink);color:var(--ink);border-radius:6px;font-weight:600;cursor:pointer;}
.btn-secondary:hover{background:var(--ink);color:#fff;}
.btn-primary{padding:11px 16px;background:var(--ink);color:#fff;border:none;border-radius:6px;font-weight:600;cursor:pointer;}
.btn-primary:hover{background:var(--ink-soft);}
.save-btn{margin-top:14px;}

/* 통계 5카드 */
.stat-grid{display:grid;gap:14px;margin-bottom:20px;}
.stat-grid.five{grid-template-columns:repeat(5,1fr);}
.stat-grid.four{grid-template-columns:repeat(4,1fr);}
.stat-card{background:var(--card);border:1px solid var(--paper-line);border-radius:var(--radius);
  padding:16px 16px;position:relative;overflow:hidden;}
.stat-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;}
.stat-card.sales::before{background:var(--sales);}
.stat-card.purchase::before{background:var(--purchase);}
.stat-card.expense::before{background:var(--expense);}
.stat-card.vat::before{background:var(--vat);}
.stat-card.net::before{background:var(--net);}
.stat-label{display:block;font-size:12px;color:var(--text-dim);margin-bottom:8px;}
.stat-value{display:block;font-family:var(--mono);font-size:19px;font-weight:600;}
.stat-card.net .stat-value{color:var(--net);}

.detail-toggle-row{display:flex;align-items:center;gap:14px;margin-bottom:16px;flex-wrap:wrap;}
.count-badge{background:var(--ink);color:#fff;border-radius:14px;padding:5px 13px;
  font-size:12.5px;font-weight:600;font-family:var(--mono);white-space:nowrap;}
.period-note{font-size:12.5px;color:var(--text-dim);}

/* 상세 패널 */
.detail-panel{background:var(--card);border:1px solid var(--paper-line);border-radius:var(--radius);
  padding:20px 22px;margin-bottom:24px;}
.detail-section{margin-bottom:18px;}
.detail-section:last-child{margin-bottom:0;}
.detail-section h4{font-size:13px;font-weight:700;color:var(--ink-soft);margin-bottom:8px;
  padding-bottom:6px;border-bottom:1px solid var(--paper-line);}
.detail-row{display:flex;justify-content:space-between;padding:4px 0;font-size:13px;}
.detail-row.sub{padding-left:16px;color:var(--text-dim);font-size:12.5px;}
.detail-row.total{font-weight:700;border-top:1px solid var(--paper-line);margin-top:4px;padding-top:8px;}
.detail-row .val{font-family:var(--mono);}
.detail-cols{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;}

/* 차트 */
.chart-grid{display:grid;grid-template-columns:2fr 1fr;gap:14px;margin-bottom:24px;}
.chart-card{background:var(--card);border:1px solid var(--paper-line);border-radius:var(--radius);padding:16px 18px;min-height:280px;}
.chart-card h3{font-size:13px;font-weight:700;margin-bottom:12px;color:var(--ink-soft);}

/* 담당별 수익 목록 */
.mgr-list{margin-top:14px;border-top:1px solid var(--paper-line);padding-top:10px;}
.mgr-list-row{display:flex;justify-content:space-between;align-items:center;padding:5px 2px;font-size:13px;}
.mgr-list-row+.mgr-list-row{border-top:1px solid var(--paper-line);}
.mgr-list-row .val{font-family:var(--mono);font-weight:600;color:var(--net);}
.mgr-list-row.empty{color:var(--text-dim);justify-content:center;}

/* 테이블 */
.table-wrap{overflow-x:auto;}
table{width:100%;border-collapse:collapse;font-size:12.5px;}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--paper-line);white-space:nowrap;}
th{color:var(--text-dim);font-weight:600;font-size:11.5px;}
td.num,th.num{text-align:right;font-family:var(--mono);}
tr:hover td{background:rgba(46,111,149,.04);}

/* 범위 선택 */
.range-box{display:flex;align-items:center;gap:6px;margin-bottom:14px;flex-wrap:wrap;
  background:var(--card);border:1px solid var(--paper-line);border-radius:8px;padding:12px 14px;width:fit-content;}
.range-label{font-size:12.5px;font-weight:600;color:var(--ink-soft);margin-right:6px;}
.range-sep{font-weight:700;color:var(--text-dim);margin:0 4px;}
.range-box select{padding:7px 10px;}

/* 업로드 블록 */
.upload-block{background:var(--card);border:1px solid var(--paper-line);border-radius:var(--radius);
  padding:20px 22px;margin-bottom:20px;}
.upload-block h3{font-size:15px;font-weight:700;margin-bottom:6px;color:var(--ink);}

/* 데이터 관리 */
.manage-section{background:var(--card);border:1px solid var(--paper-line);border-radius:var(--radius);
  padding:18px 20px;margin-bottom:18px;}
.manage-section h3{font-size:14px;font-weight:700;margin-bottom:12px;color:var(--ink-soft);}
.manage-section.danger{border-color:#E8C4BB;}
.manage-section.danger h3{color:var(--expense);}
.month-chips{display:flex;flex-wrap:wrap;gap:6px;}
.month-chip{background:var(--paper);border:1px solid var(--paper-line);border-radius:14px;
  padding:5px 12px;font-size:12px;font-family:var(--mono);}
.month-chip .cnt{color:var(--text-dim);margin-left:4px;}
.month-chip.empty{color:var(--text-dim);}
.del-targets{display:flex;gap:16px;margin:14px 0;flex-wrap:wrap;}
.del-targets label{font-size:13px;display:flex;align-items:center;gap:6px;cursor:pointer;}
.btn-danger{padding:10px 18px;background:var(--expense);color:#fff;border:none;border-radius:6px;font-weight:600;cursor:pointer;}
.btn-danger:hover{background:#9c3826;}

/* 담당별 수익 테이블(상세) */
.mgr-table{margin-top:6px;}
.mgr-table td.num,.mgr-table th.num{text-align:right;font-family:var(--mono);}

/* 업로드 */
.upload-box{display:flex;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap;}
.upload-box input[type=file]{display:none;}
.upload-box label:first-child{color:var(--text-dim);font-size:13px;}
.file-name{font-size:12.5px;color:var(--text-dim);}
.status-text{margin-top:12px;font-size:13px;color:var(--net);font-weight:600;}
.status-text.err{color:var(--expense);}

/* 수동입력 */
.manual-grid{display:grid;grid-template-columns:repeat(2,minmax(240px,1fr));gap:14px;max-width:600px;}
.manual-grid label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--ink-soft);}
.manual-grid input{padding:10px 12px;border:1px solid var(--paper-line);border-radius:6px;font-family:var(--mono);}
.manual-hint{margin-top:16px;font-size:12.5px;color:var(--text-dim);line-height:1.7;}
.fixed-note{display:inline-block;margin-top:4px;font-size:11.5px;color:var(--text-dim);opacity:.75;}

/* 검색 */
.search-bar{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap;}
.search-bar input{flex:1;min-width:200px;padding:10px 12px;border:1px solid var(--paper-line);border-radius:6px;}

/* 사용자관리 */
.rule-add{display:flex;gap:8px;margin-bottom:18px;}
.rule-add input{padding:9px 12px;border:1px solid var(--paper-line);border-radius:6px;flex:1;max-width:320px;}
.rule-del{background:none;border:none;color:var(--expense);cursor:pointer;font-size:12px;font-weight:600;}

@media (max-width:900px){
  .app-shell{flex-direction:column;}
  .sidebar{width:100%;flex-direction:row;align-items:center;padding:14px 16px;overflow-x:auto;}
  .nav{flex-direction:row;}
  .sidebar-foot{display:none;}
  .stat-grid.five{grid-template-columns:repeat(2,1fr);}
  .chart-grid{grid-template-columns:1fr;}
  .detail-cols{grid-template-columns:1fr;gap:12px;}
}