:root{
  --bg:#f6f7f9; --card:#fff; --line:#e6e8ec; --text:#1f2430; --muted:#6b7280;
  --brand:#c8952a; --brand-d:#a97b1e; --ok:#12a150; --warn:#e0503a; --info:#2f6bff;
  --shadow:0 1px 3px rgba(16,24,40,.06),0 1px 2px rgba(16,24,40,.04);
  --radius:12px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg); color:var(--text); font-size:14px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}

/* ---------------- 顶部 ---------------- */
.topbar{
  position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:16px;padding:0 20px;height:56px;
}
.brand{display:flex;align-items:baseline;gap:8px;font-weight:700;font-size:16px;letter-spacing:.2px}
.brand .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);display:inline-block}
.brand small{font-weight:500;color:var(--muted);font-size:12px}
.topbar .spacer{flex:1}
.btn{
  border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 13px;
  color:var(--text);transition:.15s;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.btn:hover{background:#f2f4f7}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-d);border-color:var(--brand-d)}
.btn.danger{color:var(--warn);border-color:#f3c9c1}
.btn.danger:hover{background:#fdf2f0}
.btn.sm{padding:4px 10px;font-size:13px;border-radius:7px}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* ---------------- 布局 ---------------- */
.wrap{max-width:1180px;margin:0 auto;padding:20px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:18px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}
.stat .k{font-size:12px;color:var(--muted);margin-bottom:4px}
.stat .v{font-size:24px;font-weight:700;line-height:1.2}
.stat .v small{font-size:13px;font-weight:500;color:var(--muted);margin-left:2px}

/* ---------------- 工具栏 ---------------- */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.search{
  flex:1;min-width:200px;position:relative;
}
.search input{
  width:100%;padding:9px 12px 9px 34px;border:1px solid var(--line);border-radius:9px;
  background:#fff;outline:none;
}
.search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,149,42,.12)}
.search::before{content:"⌕";position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:16px}
select.filter{padding:9px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;outline:none}

/* ---------------- 成员卡片 ---------------- */
.members{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.mcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}
.mcard-hd{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,#fcfcfd)}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:14px;flex:none}
.mcard-hd .nm{font-weight:600;font-size:15px}
.mcard-hd .meta{font-size:12px;color:var(--muted)}
.mcard-hd .spacer{flex:1}
.mcard-bd{padding:8px 10px;flex:1;max-height:420px;overflow:auto}
.mcard-ft{padding:8px 10px;border-top:1px solid var(--line);display:flex;gap:8px}

.entry{border:1px solid var(--line);border-radius:10px;padding:9px 11px;margin-bottom:8px;background:#fff;transition:.15s}
.entry:hover{border-color:#d5d9e0;background:#fdfdfe}
.entry .row1{display:flex;align-items:flex-start;gap:8px}
.entry .title{font-weight:600;flex:1;word-break:break-word}
.entry .time{font-size:11px;color:var(--muted);white-space:nowrap;margin-top:2px}
.badge{font-size:11px;padding:2px 7px;border-radius:20px;font-weight:600;white-space:nowrap}
.badge.todo{background:#eef1f5;color:#5b6472}
.badge.doing{background:#e8efff;color:#2456c9}
.badge.done{background:#e6f7ed;color:#0e7d3f}
.badge.block{background:#fdecea;color:#b3392a}
.bar{height:5px;background:#eef1f5;border-radius:3px;margin:7px 0 4px;overflow:hidden}
.bar>i{display:block;height:100%;border-radius:3px;transition:width .3s}
.entry .sub{font-size:12px;color:var(--muted);word-break:break-word}
.entry .files{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.filechip{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;background:#f4f6f9;
  border:1px solid var(--line);border-radius:7px;padding:2px 8px;text-decoration:none;color:#374151;max-width:100%;
}
.filechip:hover{background:#eceff3}
.filechip img{width:22px;height:22px;object-fit:cover;border-radius:4px}
.entry-acts{display:flex;gap:6px;margin-top:7px}
.empty{text-align:center;color:var(--muted);padding:22px 8px;font-size:13px}

/* ---------------- 弹窗 ---------------- */
.mask{position:fixed;inset:0;background:rgba(15,23,42,.45);display:flex;align-items:center;justify-content:center;z-index:100;padding:16px;overflow:auto}
.modal{background:#fff;border-radius:14px;box-shadow:0 20px 50px rgba(0,0,0,.2);width:100%;max-width:560px;max-height:92vh;display:flex;flex-direction:column}
.modal-hd{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.modal-hd h3{margin:0;font-size:16px;flex:1}
.modal-bd{padding:16px 20px;overflow:auto;flex:1}
.modal-ft{padding:14px 20px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}
.field{display:block;margin-bottom:13px}
.field .lb{display:block;font-size:12px;color:var(--muted);margin-bottom:5px;font-weight:500}
.field .lb em{color:var(--warn);font-style:normal}
.field input[type=text],.field input[type=date],.field input[type=number],.field input[type=password],.field select,.field textarea{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;outline:none;background:#fff;
}
.field textarea{resize:vertical;min-height:70px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,149,42,.12)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:520px){.grid2{grid-template-columns:1fr}}
.drop{
  border:1.5px dashed #ccd2db;border-radius:10px;padding:18px;text-align:center;color:var(--muted);
  background:#fafbfc;transition:.15s;cursor:pointer;font-size:13px;
}
.drop.over{border-color:var(--brand);background:#fdf8ef;color:var(--brand-d)}
.flist{display:flex;flex-direction:column;gap:6px;margin-top:9px}
.fitem{display:flex;align-items:center;gap:8px;background:#f7f8fa;border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:13px}
.fitem .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fitem .sz{color:var(--muted);font-size:12px}

/* ---------------- 登录 ---------------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(160deg,#fdf9f1,#f4f6fb)}
.login-card{background:#fff;border-radius:16px;box-shadow:0 10px 40px rgba(16,24,40,.1);padding:30px 28px;width:100%;max-width:360px;text-align:center}
.login-card h1{font-size:19px;margin:14px 0 4px}
.login-card p{color:var(--muted);font-size:13px;margin:0 0 20px}
.login-card input{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;outline:none;margin-bottom:12px;text-align:center;font-size:15px}
.login-card input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,149,42,.12)}
.login-card .btn.primary{width:100%;justify-content:center;padding:11px}
.logo-big{width:54px;height:54px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;margin:0 auto;font-size:22px;font-weight:700}
.err{color:var(--warn);font-size:13px;margin-top:10px;min-height:18px}
.hint{color:var(--muted);font-size:12px;margin-top:14px;line-height:1.7}

/* ---------------- 提示 ---------------- */
#toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:999;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:#1f2430;color:#fff;padding:9px 16px;border-radius:9px;font-size:13px;box-shadow:0 8px 24px rgba(0,0,0,.2);animation:up .2s ease}
.toast.ok{background:#0e7d3f}
.toast.err{background:#b3392a}
@keyframes up{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

@media(max-width:600px){
  .topbar{padding:0 12px;gap:8px;height:52px}
  .brand small{display:none}
  .wrap{padding:12px}
  .members{grid-template-columns:1fr}
  .btn{padding:6px 10px}
}