:root {
  --primary: #1565c0;
  --primary-light: #e3f2fd;
  --success: #2e7d32;
  --warning: #f9a825;
  --danger: #c62828;
  --bg: #eceff1;
  --card: #fff;
  --border: #cfd8dc;
  --text: #263238;
  --text2: #546e7a;
  --radius: 6px;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif; background: var(--bg); color: var(--text); min-height:100vh; font-size:14px; }

/* 标签导航 */
.tabs { display:flex; background:#fff; border-bottom:2px solid var(--border); padding:0 20px; overflow-x:auto; }
.tab { padding:11px 18px; border:none; background:none; cursor:pointer; font-size:13px; font-weight:500; color:var(--text2); border-bottom:3px solid transparent; transition:all .2s; white-space:nowrap; }
.tab:hover { color:var(--primary); background:var(--primary-light); }
.tab.on { color:var(--primary); border-bottom-color:var(--primary); }

/* 主容器 */
.wrap { max-width:1600px; margin:0 auto; padding:16px; }
.pane { display:none; }
.pane.on { display:block; }

/* 卡片 */
.card { background:var(--card); border-radius:var(--radius); box-shadow:0 1px 4px rgba(0,0,0,.08); padding:18px; margin-bottom:14px; }
.card h2 { font-size:14px; font-weight:600; margin-bottom:10px; color:var(--text); border-left:3px solid var(--primary); padding-left:10px; }
.card h3 { font-size:13px; font-weight:500; margin:10px 0 6px; color:var(--text2); }

/* 表单 */
.row { display:flex; gap:14px; margin-bottom:10px; align-items:flex-start; flex-wrap:wrap; }
.grp { display:flex; flex-direction:column; gap:3px; min-width:180px; flex:1; }
.grp label { font-size:12px; color:var(--text2); font-weight:500; }
.grp input, .grp select { padding:7px 10px; border:1px solid var(--border); border-radius:4px; font-size:13px; outline:none; }
.grp input:focus, .grp select:focus { border-color:var(--primary); }
.grp .tip { font-size:11px; color:var(--text2); line-height:1.3; }

/* 按钮 */
.btn { display:inline-flex; align-items:center; gap:5px; padding:7px 14px; border:none; border-radius:4px; font-size:13px; cursor:pointer; font-weight:500; transition:all .15s; }
.btn-pri { background:var(--primary); color:#fff; }
.btn-pri:hover { background:#115293; }
.btn-ok { background:var(--success); color:#fff; }
.btn-ok:hover { background:#1b5e20; }
.btn-warn { background:var(--warning); color:#333; }
.btn-err { background:var(--danger); color:#fff; }
.btn-err:hover { background:#b71c1c; }
.btn-out { background:none; border:1px solid var(--border); color:var(--text); }
.btn-out:hover { border-color:var(--primary); color:var(--primary); }
.btn:disabled { opacity:.5; cursor:not-allowed; }
.btns { display:flex; gap:7px; flex-wrap:wrap; }

/* 表格 */
.tbl-wrap { overflow:auto; max-height:550px; margin-top:6px; border:1px solid var(--border); border-radius:4px; }
table { width:100%; border-collapse:collapse; font-size:12px; }
th, td { padding:6px 8px; border:1px solid var(--border);}
th { background:#f5f5f5; font-weight:600; position:sticky; top:0; z-index:1; text-align:center; }
tr:hover td { background:var(--primary-light); }
td.edit { cursor:cell; }
td.edit:focus { outline:2px solid var(--primary); outline-offset:-2px; }
td.err { color:var(--danger); }

/* 消息 */
.log { padding:10px 14px; border-radius:4px; margin-bottom:10px; font-size:12px; }
.log.on { display:flex; align-items:center; gap:6px; }
.log.i { background:#e3f2fd; color:#1565c0; }
.log.ok { background:#e8f5e9; color:#2e7d32; }
.log.e { background:#ffebee; color:#c62828; }
.log.w { background:#fff8e1; color:#f57f17; }

/* 执行日志 */
.exec-log { max-height:100px; overflow-y:auto; font-size:11px; font-family:monospace; background:#263238; color:#b0bec5; padding:10px;position:fixed; top:72px; right:20px; width:460px; z-index:99; box-shadow:0 2px 12px rgba(0,0,0,.3);}
.exec-log .t { color:#78909c; }
.exec-log .ok { color:#81c784; }
.exec-log .e { color:#ef5350; }

/* 上传区 */
.upload { border:2px dashed var(--border); border-radius:var(--radius); padding:20px; text-align:center; cursor:pointer; transition:all .2s; }
.upload:hover { border-color:var(--primary); background:var(--primary-light); }
.upload.ok { border-color:var(--success); background:#e8f5e9; }
.upload input { display:none; }

/* 塔基列表 */
.towers { display:flex; flex-wrap:wrap; gap:6px; margin:10px 0; }
.chip { padding:5px 11px; border:1px solid var(--border); border-radius:18px; font-size:12px; cursor:pointer; transition:all .15s; }
.chip:hover { border-color:var(--primary); color:var(--primary); }
.chip.on { background:var(--primary); color:#fff; border-color:var(--primary); }

/* 统计卡片 */
.stats { display:grid; grid-template-columns:repeat(auto-fill, minmax(140px, 1fr)); gap:10px; margin:10px 0; }
.stat { background:#fff; border:1px solid var(--border); border-radius:var(--radius); padding:12px; text-align:center; }
.stat .v { font-size:22px; font-weight:700; color:var(--primary); }
.stat .n { font-size:11px; color:var(--text2); margin-top:3px; }

/* 策划表样式 */
.sheet { border:2px solid #333; width:1600px; margin:0 auto; font-size:12px; background:#fff; table-layout:auto; }
.sheet .hd { text-align:center; font-size:15px; font-weight:700; padding:10px; border-bottom:2px solid #333; background:#f5f5f5; letter-spacing:2px; }
.sheet table { margin:0; width:1596px; table-layout:auto; }
.sheet th, .sheet td { padding:6px 10px; border:1px solid #999; word-break:break-all; }
.sheet .sec { background:#d9e8f5; font-weight:700; text-align:center; }
.sheet .lbl { background:#fafafa; font-weight:500; text-align:center; }
.sheet .val, .sheet .lb { text-align:center;white-space: nowrap;}
.sheet .img-area { text-align:center; padding:0; display:flex; align-items:center; justify-content:center; min-height:450px; overflow:hidden; background:#fff; }
.sheet .img-area img { width:100%; height:auto; object-fit:contain; }
.sheet .img-area .no-img { color:#bbb; font-size:12px; font-style:italic; padding:20px; }
.sheet .note-area { padding:6px; font-size:12px; color:#333; line-height:1.7; vertical-align:top; }
.sheet .note-area b { display:block; margin-bottom:4px; font-size:12px; }
.img-upload-bar { display:flex; gap:8px; align-items:center; margin:10px 0; flex-wrap:wrap; }
.img-upload-bar .tip { font-size:12px; color:var(--text2); }
.img-thumb { width:48px; height:48px; object-fit:cover; border-radius:4px; border:1px solid var(--border); cursor:pointer; }
.img-thumb:hover { border-color:var(--primary); }

/* 对话框 */
.modal { display:none; position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(0,0,0,.5); z-index:200; justify-content:center; align-items:center; }
.modal.on { display:flex; }
.mdl { background:#fff; border-radius:var(--radius); max-width:850px; width:92%; max-height:88vh; overflow-y:auto; padding:22px; }

/* 响应式 */
@media(max-width:900px) {
  .row { flex-direction:column; }
  .grp { min-width:100%; }
  .stats { grid-template-columns:repeat(2,1fr); }
}

/* 打印 - A3横版 */
@media print {
  .header, .tabs, .btns, .no-print, #sheet-chips, #sheet-btns, .img-upload-bar, #sheet-upload { display:none !important; }
  .card { box-shadow:none; border:1px solid #ccc; page-break-inside:avoid; }
  .pane { display:block !important; }
  #sheet-box { display:block !important; }
  body { background:#fff; font-size:12px; }
  .sheet { width:1680px; max-width:none; border:2px solid #333; margin:0; page-break-after:always; }
  .sheet table { width:1680px; }
  .sheet .hd { font-size:14pt; padding:8pt; }
  .sheet td, .sheet .lb, .sheet .val { font-size:12pt; padding:3pt 4pt; }
  .sheet .note-area { font-size:12pt; }
  .sheet .img-area { min-height:180mm; }
  .sheet img[src*="data:"] { width:100%; height:180mm; object-fit:contain; }
  @page { size:A3 landscape; margin:10mm; }
}