:root{
  --bg:#f5f6f8;
  --card:#ffffff;
  --border:#e6e8ee;
  --border-strong:#d5d9e2;
  --text:#1a1d23;
  --muted:#6b7280;
  --muted-2:#9aa1ad;
  --accent:#2b6cff;
  --accent-hover:#1f5ae6;
  --accent-soft:#eef3ff;
  --ok:#16a34a;
  --warn:#d97706;
  --err:#dc2626;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 8px 24px -12px rgba(16,24,40,.12);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"Inter","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:14px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

/* ---------- 顶栏 ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 26px;background:var(--card);border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:20;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.logo{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
}
.logo svg{width:20px;height:20px}
.brand-text h1{margin:0;font-size:16px;font-weight:650;letter-spacing:.2px}
.brand-text p{margin:0;font-size:12px;color:var(--muted)}
.topbar-actions{display:flex;gap:8px;flex:0 0 auto}
.topbar-actions svg{width:15px;height:15px}

/* ---------- 布局 ---------- */
.layout{
  display:grid;grid-template-columns:minmax(360px,420px) minmax(0,1fr);
  gap:18px;padding:18px 26px 34px;max-width:1560px;margin:0 auto;
  align-items:start;
}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.panel{padding:18px}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.card-head.wrap{flex-wrap:wrap}
.card-head h2{margin:0;font-size:15px;font-weight:620;flex:1 1 auto}
.step{
  width:22px;height:22px;flex:0 0 22px;border-radius:7px;background:var(--accent-soft);color:var(--accent);
  font-size:12px;font-weight:650;display:flex;align-items:center;justify-content:center;
}
.head-tools{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.link{
  background:none;border:none;color:var(--muted);font-size:12.5px;cursor:pointer;padding:2px 4px;border-radius:6px;
}
.link:hover{color:var(--accent);background:var(--accent-soft)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border:1px solid var(--border-strong);background:#fff;color:var(--text);
  padding:8px 14px;border-radius:var(--radius-sm);font-size:13px;font-weight:520;
  cursor:pointer;transition:.15s;font-family:inherit;white-space:nowrap;
}
.btn:hover{border-color:var(--accent);color:var(--accent)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff}
.btn.ghost{background:#fff;border-color:var(--border)}
.btn.ghost:hover{background:var(--accent-soft)}
.btn.block{width:100%;padding:11px 16px;font-size:14px;font-weight:600}
.btn.small{padding:7px 12px;font-size:12.5px}
.btn.tiny{padding:5px 9px;font-size:12px;border-radius:7px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn:disabled:hover{border-color:var(--border-strong);color:var(--text)}
.btn.primary:disabled:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.icon-btn{background:none;border:none;font-size:15px;color:var(--muted);cursor:pointer;padding:4px 8px;border-radius:7px}
.icon-btn:hover{background:var(--bg);color:var(--text)}

/* ---------- 上传区 ---------- */
.dropzone{
  border:1.5px dashed var(--border-strong);border-radius:var(--radius);
  padding:26px 18px;text-align:center;background:#fcfcfd;cursor:pointer;transition:.18s;
}
.dropzone:hover,.dropzone:focus-visible{border-color:var(--accent);background:var(--accent-soft);outline:none}
.dropzone.drag{border-color:var(--accent);background:var(--accent-soft)}
.dz-icon{width:30px;height:30px;color:var(--accent);opacity:.85}
.dz-title{margin:8px 0 2px;font-size:13.5px;font-weight:560}
.dz-sub{margin:0;font-size:12px;color:var(--muted)}
.dz-actions{display:flex;gap:8px;justify-content:center;margin-top:14px}

/* ---------- 预览 ---------- */
.preview{margin-top:14px}
.thumb-frame{
  border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;background:#f2f3f5;
  max-height:220px;display:flex;align-items:center;justify-content:center;
}
.thumb-frame img{max-width:100%;max-height:220px;display:block}
.preview-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:8px}
.preview-tools{display:flex;gap:6px}
.meta{font-size:11.5px;color:var(--muted-2)}

/* ---------- 表单 ---------- */
.field{margin-top:14px}
.field-label{font-size:12.5px;color:var(--muted);margin-bottom:6px;font-weight:540}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
select,input[type=text],input[type=password],textarea{
  width:100%;padding:8px 10px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);
  font-size:13px;font-family:inherit;color:var(--text);background:#fff;transition:.15s;
}
select:focus,input:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
textarea{resize:vertical;line-height:1.5}
.check{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--text);cursor:pointer;padding:3px 0}
.check.sm{font-size:12px;color:var(--muted);white-space:nowrap}
input[type=checkbox]{accent-color:var(--accent);width:14px;height:14px;cursor:pointer}
.hint{font-size:11.5px;color:var(--muted-2);margin:6px 0 0;line-height:1.55}
.hint.strong{color:var(--muted);background:#fbfbfc;border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 10px;margin:0 0 4px}

.segmented{display:flex;background:#f2f3f6;border-radius:var(--radius-sm);padding:3px;gap:3px}
.segmented button{
  flex:1;border:none;background:transparent;padding:7px 8px;border-radius:7px;
  font-size:12.5px;font-weight:540;color:var(--muted);cursor:pointer;font-family:inherit;transition:.15s;
}
.segmented button.active{background:#fff;color:var(--accent);box-shadow:0 1px 3px rgba(16,24,40,.1)}

.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{
  border:1px solid var(--border-strong);background:#fff;border-radius:99px;padding:5px 11px;
  font-size:12px;color:var(--muted);cursor:pointer;font-family:inherit;transition:.15s;
}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:560}

/* ---------- 进度 ---------- */
.progress{margin-top:14px}
.bar{height:6px;border-radius:99px;background:#eceef2;overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--accent);border-radius:99px;transition:width .25s}
.progress p{margin:7px 0 0;font-size:12px;color:var(--muted)}
.hidden{display:none !important}

/* ---------- 右侧表格 ---------- */
.stat-bar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:8px 0 12px;border-bottom:1px solid var(--border);margin-bottom:12px;
}
#stat{font-size:12.5px;color:var(--muted)}
.stat-actions{display:flex;gap:6px;flex-wrap:wrap}
.table-wrap{
  border:1px solid var(--border);border-radius:var(--radius-sm);overflow:auto;
  max-height:min(62vh,680px);background:#fff;
}
.empty{
  padding:60px 20px;text-align:center;color:var(--muted-2);
}
.empty svg{width:34px;height:34px;opacity:.6}
.empty p{margin:10px 0 2px;font-size:13.5px;color:var(--muted);font-weight:540}
.empty span{font-size:12px}

table.grid{border-collapse:separate;border-spacing:0;width:100%;font-size:12.5px}
table.grid th,table.grid td{
  border-right:1px solid var(--border);border-bottom:1px solid var(--border);
  padding:7px 10px;text-align:left;vertical-align:top;min-width:80px;max-width:340px;
  white-space:pre-wrap;word-break:break-word;
}
table.grid thead th{
  background:#fafbfc;font-weight:600;color:#3d4450;position:sticky;top:0;z-index:2;
  border-bottom:1px solid var(--border-strong);
}
table.grid td{background:#fff;cursor:text}
table.grid td:focus,table.grid th.ct:focus{outline:2px solid var(--accent);outline-offset:-2px;background:#fdfefe}
table.grid tr:hover td{background:#fcfcfe}
table.grid .idx{
  background:#fafbfc;color:var(--muted-2);font-size:11px;text-align:center;
  min-width:38px;width:38px;max-width:38px;cursor:default;user-select:none;
  position:sticky;left:0;z-index:1;
}
table.grid thead .idx{position:sticky;left:0;top:0;z-index:3}
table.grid .op{
  min-width:34px;width:34px;max-width:34px;text-align:center;cursor:default;padding:4px 2px;
}
table.grid .op button{
  border:none;background:transparent;color:var(--muted-2);cursor:pointer;font-size:12px;
  border-radius:6px;padding:3px 5px;line-height:1;
}
table.grid .op button:hover{background:#fee;color:var(--err)}
table.grid th .hcell{display:flex;align-items:center;gap:4px}
table.grid th .hin{flex:1;min-width:0;outline:none;border-radius:4px}
table.grid th .hcell button{
  border:none;background:transparent;color:#c3c8d1;cursor:pointer;font-size:11px;
  border-radius:6px;padding:2px 5px;line-height:1;flex:0 0 auto;opacity:0;transition:.15s;
}
table.grid th:hover .hcell button{opacity:1}
table.grid th .hcell button:hover{background:#fee;color:var(--err)}
.typing-warn{color:var(--warn)}

.foot-note{margin:12px 0 0;font-size:11.5px;color:var(--muted-2)}

/* ---------- 弹窗 ---------- */
.modal{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:20px}
.modal-mask{position:absolute;inset:0;background:rgba(16,24,40,.42);backdrop-filter:blur(2px)}
.modal-box{
  position:relative;background:#fff;border-radius:16px;width:100%;max-width:520px;
  max-height:86vh;display:flex;flex-direction:column;box-shadow:0 24px 60px -20px rgba(16,24,40,.4);
  animation:pop .18s ease-out;
}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.99)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border)}
.modal-head h3{margin:0;font-size:14.5px;font-weight:620}
.modal-body{padding:16px 18px 20px;overflow:auto}
.modal-actions{display:flex;align-items:center;gap:10px;margin-top:16px}
.modal-actions .btn.primary{margin-left:auto}
.test-result{font-size:12px;flex:1}
.test-result.ok{color:var(--ok)}
.test-result.err{color:var(--err)}

/* ---------- 历史 ---------- */
.history-list{display:flex;flex-direction:column;gap:10px}
.history-item{
  display:flex;gap:12px;align-items:center;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:10px;transition:.15s;
}
.history-item:hover{border-color:var(--accent);background:#fcfdff}
.history-item img{width:58px;height:58px;object-fit:cover;border-radius:7px;background:#f2f3f5;flex:0 0 58px}
.history-info{flex:1;min-width:0}
.history-info strong{display:block;font-size:13px;font-weight:560}
.history-info span{font-size:11.5px;color:var(--muted-2)}
.history-ops{display:flex;gap:6px;flex:0 0 auto}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translateX(-50%);
  background:#1f2329;color:#fff;padding:10px 18px;border-radius:99px;font-size:13px;z-index:99;
  box-shadow:0 12px 30px -10px rgba(0,0,0,.4);animation:pop .18s ease-out;max-width:80vw;text-align:center;
}
.toast.err{background:var(--err)}
.toast.ok{background:#14532d}

/* ---------- 响应式 ---------- */
@media (max-width:1000px){
  .layout{grid-template-columns:1fr;padding:14px 14px 30px}
  .topbar{padding:12px 16px}
  .brand-text p{display:none}
  .grid2{grid-template-columns:1fr}
}