:root{
  --bg:#f6f7f9;
  --panel:#ffffff;
  --ink:#16181d;
  --ink-2:#4b5262;
  --ink-3:#8b92a2;
  --line:#e4e7ed;
  --line-2:#eef0f4;
  --brand:#1f5eff;
  --brand-ink:#1749c9;
  --brand-soft:#eef3ff;
  --ok:#0f8a5f;
  --ok-soft:#e8f6ef;
  --warn:#b06a00;
  --warn-soft:#fdf3e2;
  --danger:#c3352b;
  --danger-soft:#fdeeec;
  --radius:10px;
  --radius-sm:7px;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06);
  --shadow-lg:0 12px 32px rgba(16,24,40,.12),0 2px 8px rgba(16,24,40,.06);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  font-size:14px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:600;letter-spacing:-.01em}
p{margin:0 0 10px}
ul{margin:0;padding:0;list-style:none}
::selection{background:#d5e2ff}

/* ---------- 通用控件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:34px;padding:0 14px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:13px;font-weight:500;cursor:pointer;white-space:nowrap;
  transition:border-color .15s,background .15s,color .15s,box-shadow .15s;
}
.btn:hover{border-color:#cfd4de;background:#fbfcfe;color:var(--ink)}
.btn:active{transform:translateY(.5px)}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-ink);border-color:var(--brand-ink);color:#fff}
.btn-danger{color:var(--danger);border-color:#f0cdc9;background:#fff}
.btn-danger:hover{background:var(--danger-soft);border-color:#e7b3ad;color:var(--danger)}
.btn-ghost{background:transparent;border-color:transparent}
.btn-ghost:hover{background:#f1f3f7}
.btn-sm{height:28px;padding:0 10px;font-size:12.5px;border-radius:6px}
.btn-block{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed}

.input,.select,.textarea{
  width:100%;height:38px;padding:0 11px;border:1px solid var(--line);
  border-radius:var(--radius-sm);background:#fff;outline:none;
  transition:border-color .15s,box-shadow .15s;
}
.textarea{height:auto;min-height:92px;padding:9px 11px;resize:vertical;line-height:1.6}
.input:focus,.select:focus,.textarea:focus{border-color:#a9c1ff;box-shadow:0 0 0 3px rgba(31,94,255,.10)}
.input::placeholder,.textarea::placeholder{color:#aeb4c2}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;font-weight:500;color:var(--ink-2);margin-bottom:6px}
.field .hint{font-size:12px;color:var(--ink-3);margin-top:5px;line-height:1.5}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.form-row{grid-template-columns:1fr}}

.check{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-size:13px;color:var(--ink-2)}
.check input{width:15px;height:15px;accent-color:var(--brand);margin:0}

/* ---------- 徽标/状态 ---------- */
.tag{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:5px;font-size:11.5px;font-weight:500;background:#f1f3f7;color:var(--ink-2)}
.tag-ok{background:var(--ok-soft);color:var(--ok)}
.tag-warn{background:var(--warn-soft);color:var(--warn)}
.tag-danger{background:var(--danger-soft);color:var(--danger)}
.tag-brand{background:var(--brand-soft);color:var(--brand-ink)}
.dot{width:6px;height:6px;border-radius:50%;display:inline-block}
.dot-ok{background:var(--ok)} .dot-off{background:#b9bfcc}

/* ---------- 提示 ---------- */
.flash{display:flex;align-items:flex-start;gap:9px;padding:11px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:16px;border:1px solid transparent}
.flash-success{background:var(--ok-soft);color:#0a6a49;border-color:#cfeadd}
.flash-error{background:var(--danger-soft);color:#98251d;border-color:#f4d2ce}
.flash-info{background:var(--brand-soft);color:var(--brand-ink);border-color:#dbe6ff}

/* ---------- 卡片 ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line-2)}
.card-head h3{font-size:14px}
.card-body{padding:18px}
.card-foot{padding:12px 18px;border-top:1px solid var(--line-2);background:#fcfcfd;border-radius:0 0 var(--radius) var(--radius)}

/* ---------- 表格 ---------- */
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th{text-align:left;font-weight:500;color:var(--ink-3);font-size:12px;padding:10px 14px;border-bottom:1px solid var(--line-2);background:#fbfcfd;white-space:nowrap}
.table td{padding:11px 14px;border-bottom:1px solid var(--line-2);vertical-align:middle}
.table tbody tr:last-child td{border-bottom:0}
.table tbody tr:hover{background:#fafbfd}
.table .num{font-variant-numeric:tabular-nums;color:var(--ink-2)}
.table-wrap{overflow-x:auto}
.mono{font-family:var(--mono);font-size:12.5px}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;gap:6px;padding:14px 18px;justify-content:space-between;font-size:12.5px;color:var(--ink-3)}
.pager .pages{display:flex;gap:4px}
.pager a,.pager span.pg{min-width:30px;height:30px;padding:0 9px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:6px;color:var(--ink-2);background:#fff}
.pager a:hover{border-color:#c9d0dc}
.pager .on{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- 空状态 ---------- */
.empty{text-align:center;padding:56px 20px;color:var(--ink-3)}
.empty .glyph{width:56px;height:56px;margin:0 auto 14px;border-radius:14px;background:#f1f3f7;display:flex;align-items:center;justify-content:center;color:#a9b0bf}
.empty h4{color:var(--ink-2);font-size:14px;margin-bottom:6px}
.empty p{font-size:13px}

/* ---------- 文件图标 ---------- */
.fico{width:34px;height:34px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 34px}
.fico.sm{width:26px;height:26px;border-radius:6px;flex-basis:26px}
.fico svg{width:17px;height:17px;stroke-width:1.7}
.fico.folder{background:#eef3ff;color:#3a6df5}
.fico.image{background:#e9f7f1;color:#12945f}
.fico.video{background:#fdeeea;color:#c9553f}
.fico.audio{background:#f3edfd;color:#7c4dd6}
.fico.doc{background:#eaf1fd;color:#2c68cf}
.fico.archive{background:#fdf6e6;color:#a97a15}
.fico.code{background:#eef1f5;color:#4b5669}
.fico.file{background:#f1f3f7;color:#6b7488}

/* 下拉菜单 */
.menu{position:absolute;z-index:80;min-width:168px;background:#fff;border:1px solid var(--line);border-radius:9px;box-shadow:var(--shadow-lg);padding:5px;display:none}
.menu.open{display:block}
.menu a,.menu button{display:flex;width:100%;align-items:center;gap:9px;padding:8px 10px;border-radius:6px;font-size:13px;color:var(--ink-2);background:none;border:0;cursor:pointer;text-align:left}
.menu a:hover,.menu button:hover{background:#f4f6fa;color:var(--ink)}
.menu .danger{color:var(--danger)}
.menu .danger:hover{background:var(--danger-soft)}
.menu .sep{height:1px;background:var(--line-2);margin:5px 4px}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(16,24,40,.42);display:none;align-items:center;justify-content:center;z-index:200;padding:20px;backdrop-filter:blur(2px)}
.modal-mask.open{display:flex}
.modal{width:100%;max-width:440px;background:#fff;border-radius:12px;box-shadow:var(--shadow-lg);overflow:hidden;animation:pop .16s ease-out}
.modal.md{max-width:560px}
@keyframes pop{from{transform:translateY(8px) scale(.99);opacity:.6}to{transform:none;opacity:1}}
.modal-head{padding:16px 20px 0}
.modal-head h3{font-size:15px}
.modal-body{padding:14px 20px 4px}
.modal-foot{padding:14px 20px 18px;display:flex;justify-content:flex-end;gap:8px}

/* 进度条 */
.bar{height:6px;border-radius:99px;background:#eceff4;overflow:hidden}
.bar>i{display:block;height:100%;background:var(--brand);border-radius:99px}
.bar.warn>i{background:var(--warn)}
.bar.danger>i{background:var(--danger)}

/* 工具 */
.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}
.gap-8{gap:8px}.gap-12{gap:12px}.grow{flex:1}
.muted{color:var(--ink-3)}.small{font-size:12.5px}.right{text-align:right}
.nowrap{white-space:nowrap}
.hidden{display:none!important}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}