/* ===== 访谈整理助手 · 样式 ===== */
:root{
  --bg:#f5f6f8;
  --card:#ffffff;
  --ink:#1a1d24;
  --ink-2:#5a6270;
  --ink-3:#8b93a1;
  --line:#e4e7ec;
  --brand:#2f6df6;
  --brand-d:#1e56d6;
  --del:#e5484d;
  --del-bg:#fdecec;
  --merge:#0d9488;
  --merge-bg:#e6f6f4;
  --ok:#16a34a;
  --radius:12px;
  --shadow:0 1px 3px rgba(16,24,40,.06),0 8px 24px rgba(16,24,40,.05);
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB",
              "Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.hidden{display:none !important}

/* ---------- 顶栏 ---------- */
.topbar{
  background:var(--card);border-bottom:1px solid var(--line);
  padding:14px 28px;display:flex;align-items:center;justify-content:space-between;
  position:sticky;top:0;z-index:50;
}
.brand{display:flex;align-items:center;gap:12px}
.logo{
  width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,#2f6df6,#5b8def);
  color:#fff;display:grid;place-items:center;font-size:19px;flex:0 0 auto;
}
.brand h1{font-size:16px;font-weight:650;letter-spacing:.2px}
.brand p{font-size:12px;color:var(--ink-3)}
.step-badge{
  font-size:12.5px;font-weight:600;color:var(--brand);
  background:#eef3ff;padding:5px 13px;border-radius:999px;
}

/* ---------- 容器 ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:28px 24px 60px}
.panel{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  border:1px solid var(--line);padding:28px}

/* ---------- 上传区 ---------- */
.upload-zone{
  border:2px dashed #cdd5e0;border-radius:var(--radius);
  padding:38px 30px;text-align:center;transition:.18s;
}
.upload-zone.drag{border-color:var(--brand);background:#f7faff}
.uz-icon{font-size:38px;margin-bottom:8px}
.upload-zone h2{font-size:16px;font-weight:600;margin-bottom:6px}
.hint{font-size:12.5px;color:var(--ink-3);margin-bottom:18px}
.or{font-size:12.5px;color:var(--ink-3);margin:20px 0 12px}
#pasteArea{
  width:100%;min-height:150px;border:1px solid var(--line);border-radius:10px;
  padding:14px;font-size:13.5px;font-family:inherit;line-height:1.7;resize:vertical;
  color:var(--ink);background:#fbfcfd;
}
#pasteArea:focus{outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(47,109,246,.1)}
.demo-row{display:flex;align-items:center;gap:10px;justify-content:center;
  margin-top:18px;font-size:12.5px;color:var(--ink-3)}

/* ---------- 按钮 ---------- */
.btn{
  border:none;border-radius:9px;font-family:inherit;font-size:13.5px;font-weight:600;
  padding:10px 20px;cursor:pointer;transition:.15s;
}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-d)}
.btn.ghost{background:#fff;color:var(--ink-2);border:1px solid var(--line)}
.btn.ghost:hover{border-color:#b9c2d0;color:var(--ink)}
.btn.tiny{font-size:12px;padding:6px 13px;background:#fff;border:1px solid var(--line);
  color:var(--ink-2)}
.btn.tiny:hover{border-color:var(--brand);color:var(--brand)}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- 概览 ---------- */
.overview{display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:20px}
.ov-stats{display:flex;gap:26px}
.stat{display:flex;flex-direction:column}
.stat b{font-size:22px;font-weight:700;color:var(--brand);line-height:1.2}
.stat span{font-size:12px;color:var(--ink-3)}
.ov-guard{
  font-size:12.5px;color:#0a6b4d;background:#e9f8f1;border:1px solid #c7ecd9;
  padding:9px 15px;border-radius:9px;
}

/* ---------- 工具栏 ---------- */
.toolbar{display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:18px;
  flex-wrap:wrap;gap:12px}
.tabs{display:flex;gap:4px;background:#f1f3f6;padding:3px;border-radius:9px}
.tab{border:none;background:transparent;font-family:inherit;font-size:13px;font-weight:600;
  color:var(--ink-2);padding:7px 16px;border-radius:7px;cursor:pointer;transition:.15s}
.tab.active{background:#fff;color:var(--brand);box-shadow:0 1px 3px rgba(16,24,40,.08)}
.tb-right{display:flex;align-items:center;gap:14px}
.switch{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ink-2);
  cursor:pointer;user-select:none}

/* ---------- 左右对照 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.col{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.col-head{
  font-size:12.5px;font-weight:650;padding:10px 16px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.col-head.orig{background:#fafbfc;color:var(--ink-2)}
.col-head.clean{background:#f3f7ff;color:var(--brand)}
.legend{display:flex;gap:12px;font-size:11px;font-weight:500;color:var(--ink-3)}
.lg{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:4px;vertical-align:-1px}
.lg.del{background:var(--del-bg);border:1px solid var(--del)}
.lg.merge{background:var(--merge-bg);border:1px solid var(--merge)}
.col-body{padding:18px 20px;font-size:13.5px;line-height:2;white-space:pre-wrap;
  word-break:break-word;max-height:62vh;overflow-y:auto;font-family:inherit}

/* 行 */
.line{margin-bottom:2px}
.line .spk{color:var(--brand);font-weight:600}

/* 高亮标记 */
.mk{padding:1px 2px;border-radius:3px;position:relative;cursor:pointer;
  transition:.15s;border-bottom:1.5px solid transparent}
.mk.del{background:var(--del-bg);color:#a3242a;text-decoration:line-through;
  text-decoration-thickness:1.4px}
.mk.merge{background:var(--merge-bg);color:#0a6b62;font-weight:600}
.mk:hover{outline:2px solid rgba(47,109,246,.35);outline-offset:1px}
.mk.restored{background:#f2f4f7;color:var(--ink-3);text-decoration:none;
  border-bottom:1.5px dashed #c2c8d2}
.mk.restored::before{content:"已还原 ";font-size:10px;color:#98a0ad}

/* 逐行修订视图 */
.inline-body{font-size:13.5px;line-height:2.1;white-space:pre-wrap;
  word-break:break-word;max-height:66vh;overflow-y:auto}
.inline-body .del{background:var(--del-bg);color:#a3242a;text-decoration:line-through}
.inline-body .ins{background:var(--merge-bg);color:#0a6b62;font-weight:600}

/* ---------- 改动清单 ---------- */
.edits-table-wrap{max-height:60vh;overflow-y:auto;border:1px solid var(--line);
  border-radius:10px}
.edits-table{width:100%;border-collapse:collapse;font-size:13px}
.edits-table thead th{
  position:sticky;top:0;background:#f7f8fa;text-align:left;font-size:12px;
  color:var(--ink-2);font-weight:650;padding:11px 14px;border-bottom:1px solid var(--line);
}
.edits-table td{padding:10px 14px;border-bottom:1px solid #f0f2f5;vertical-align:top}
.edits-table tr:last-child td{border-bottom:none}
.edits-table tr.done{opacity:.5}
.edits-table tr.done td:nth-child(3){text-decoration:line-through}
.tag{display:inline-block;font-size:11px;font-weight:600;padding:2px 9px;border-radius:5px}
.tag.语气词,.tag.填充词{background:var(--del-bg);color:#a3242a}
.tag.结巴重复{background:var(--merge-bg);color:#0a6b62}
.tag.标点规整{background:#eef3ff;color:var(--brand)}
.orig-txt{color:#a3242a;text-decoration:line-through}
.res-txt{color:#0a6b62}
.link-btn{background:none;border:none;color:var(--brand);font-family:inherit;
  font-size:12.5px;font-weight:600;cursor:pointer;padding:0}
.link-btn:hover{text-decoration:underline}

/* ---------- 底部 ---------- */
.footer-actions{display:flex;align-items:center;justify-content:space-between;
  margin-top:22px;padding-top:20px;border-top:1px solid var(--line);flex-wrap:wrap;gap:14px}
.fa-left{display:flex;align-items:center;gap:16px}
.fa-right{display:flex;align-items:center;gap:16px}
.chk{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--ink-2);cursor:pointer}
.status-ok{font-size:13px;font-weight:650;color:var(--ok)}

/* ---------- 加载 & 提示 ---------- */
.loading{position:fixed;inset:0;background:rgba(255,255,255,.82);z-index:200;
  display:grid;place-content:center;justify-items:center;gap:16px}
.spinner{width:38px;height:38px;border:3px solid #e3e8f0;border-top-color:var(--brand);
  border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading p{font-size:13px;color:var(--ink-2)}
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);
  background:#1a1d24;color:#fff;font-size:13px;padding:11px 22px;border-radius:9px;
  z-index:300;box-shadow:0 8px 28px rgba(0,0,0,.22)}
.toast.err{background:#c2262b}
.toast.ok{background:#0f7a45}

/* ---------- 响应式 ---------- */
@media(max-width:860px){
  .split{grid-template-columns:1fr}
  .ov-stats{gap:18px}
  .wrap{padding:18px 14px 50px}
  .panel{padding:20px 16px}
  .topbar{padding:12px 16px}
  .footer-actions{flex-direction:column;align-items:stretch}
  .fa-right{justify-content:space-between}
}