:root{
  --bg:#f5f6f8; --panel:#fff; --ink:#1f2430; --ink2:#5b6373; --line:#e3e6ec;
  --brand:#2f6bff; --brand2:#1f4fd8; --ok:#12a45a; --warn:#d97706; --bad:#dc2626;
  --hl:#ffe9a8; --hl-border:#e8b800;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Segoe UI","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.6}

/* topbar */
.topbar{display:flex;justify-content:space-between;align-items:center;
  padding:12px 22px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand2));
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:19px}
.topbar h1{margin:0;font-size:17px;font-weight:650}
.sub{margin:0;font-size:12px;color:var(--ink2)}
.chip{font-size:12px;padding:4px 10px;border-radius:20px;background:#eef2ff;color:#2c47b8;border:1px solid #dbe3ff}
.chip.ok{background:#e8f7ef;color:#0d7a43;border-color:#c9ecd9}
.chip.bad{background:#fdecec;color:#a51f1f;border-color:#f7d2d2}

main{max-width:1560px;margin:0 auto;padding:20px}
.view{display:none}.view.active{display:block}

/* upload */
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;max-width:760px;margin:36px auto}
.dropzone{border:2px dashed #c8d0e0;border-radius:12px;padding:44px 20px;text-align:center;
  cursor:pointer;transition:.16s;background:#fafbfe}
.dropzone:hover,.dropzone.over{border-color:var(--brand);background:#f2f6ff}
.dz-icon{font-size:40px;line-height:1}
.dz-title{margin:10px 0 4px;font-size:15px}
.dz-hint{margin:0;color:var(--ink2);font-size:12.5px}
.link{color:var(--brand);text-decoration:underline}
.row-options{margin-top:16px;display:flex;flex-direction:column;gap:4px}
.sw{display:flex;align-items:center;gap:8px;font-size:13.5px;cursor:pointer}
.tip{font-size:12px;color:var(--ink2)}
.msg{margin-top:12px;font-size:13px;color:var(--bad);min-height:18px}
.progress{margin-top:14px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink2)}
.progress.hidden{display:none}
.bar{flex:1;height:6px;border-radius:3px;background:#e8ebf2;overflow:hidden;position:relative}
.bar::after{content:"";position:absolute;inset:0;width:40%;border-radius:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand2));animation:slide 1.1s infinite}
@keyframes slide{0%{left:-40%}100%{left:100%}}

/* toolbar */
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:11px 15px;margin-bottom:12px}
.toolbar-left,.toolbar-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.filename{font-weight:600;font-size:14px;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.btn{border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px 14px;font-size:13.5px;
  cursor:pointer;transition:.14s;color:var(--ink);font-family:inherit}
.btn:hover{border-color:#bfc8da;background:#f7f9fd}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.btn.primary:hover{background:var(--brand2)}
.btn.tiny{padding:4px 10px;font-size:12px;border-radius:7px}
.btn.ghost{background:transparent}
.modes{display:flex;background:#eef1f6;border-radius:9px;padding:3px;gap:2px}
.mode-btn{border:0;background:transparent;padding:6px 14px;border-radius:7px;font-size:13px;
  cursor:pointer;color:var(--ink2);font-family:inherit}
.mode-btn.active{background:#fff;color:var(--ink);font-weight:600;box-shadow:0 1px 3px rgba(0,0,0,.08)}

.stats{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.stat{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 14px;font-size:12.5px}
.stat b{font-size:15px;margin-right:4px;color:var(--brand)}
.stat.warn b{color:var(--warn)}.stat.bad b{color:var(--bad)}.stat.ok b{color:var(--ok)}

/* layout */
.layout{display:grid;grid-template-columns:1fr 1fr 310px;gap:12px;align-items:start}
@media(max-width:1280px){.layout{grid-template-columns:1fr 1fr}.side{grid-column:1/-1}}
@media(max-width:860px){.layout{grid-template-columns:1fr}}
.panel{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.panel-head{display:flex;justify-content:space-between;align-items:center;padding:9px 14px;
  border-bottom:1px solid var(--line);background:#fafbfd}
.panel-head h2{margin:0;font-size:13.5px;font-weight:650}
.panel-hint{font-size:11.5px;color:var(--ink2)}
.panel-body{padding:12px 14px;max-height:calc(100vh - 300px);overflow:auto;
  font-size:13.5px;line-height:1.85;white-space:pre-wrap;word-break:break-word}
.panel-body .ln{display:block}
.panel-body .ln:hover{background:#fafbfd}
.panel-body .no{color:#c3c9d6;user-select:none;font-size:11px;margin-right:6px}

mark{background:var(--hl);border-bottom:1.5px solid var(--hl-border);border-radius:3px;
  padding:0 2px;cursor:pointer;transition:.12s}
mark.off{background:#eef1f6;border-bottom-color:#c3c9d6;color:#8b93a5;text-decoration:line-through}
mark.tbc{background:#ffe2e2;border-bottom-color:#e88}
mark:hover{filter:brightness(.95)}

/* side list */
.side-tools{display:flex;gap:6px;padding:9px 12px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.ent-list{max-height:calc(50vh - 170px);overflow:auto;padding:6px}
.ent-item{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:8px;cursor:pointer;font-size:12.5px}
.ent-item:hover{background:#f5f7fb}
.ent-item input{margin:0;flex:0 0 auto}
.ent-tag{font-size:10.5px;padding:1px 6px;border-radius:5px;background:#eef2ff;color:#2c47b8;
  border:1px solid #dbe3ff;flex:0 0 auto}
.ent-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink2)}
.ent-rep{margin-left:auto;color:var(--ok);font-weight:600;flex:0 0 auto}
.ent-item.off .ent-text,.ent-item.off .ent-rep{opacity:.45;text-decoration:line-through}

.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(20px);
  background:#232a38;color:#fff;padding:10px 20px;border-radius:9px;font-size:13.5px;
  opacity:0;pointer-events:none;transition:.22s;z-index:50}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.hidden{display:none}