/* ===========================================================
   LicenseHub · SaaS 简约风格样式
   =========================================================== */
:root{
  --bg:#f5f6f8;
  --panel:#ffffff;
  --border:#e6e8eb;
  --border-strong:#d5d8dd;
  --text:#1f2328;
  --text-2:#4b5563;
  --muted:#8b93a1;
  --primary:#4f46e5;
  --primary-600:#4338ca;
  --primary-50:#eef2ff;
  --success:#16a34a;
  --success-50:#ecfdf5;
  --warn:#d97706;
  --warn-50:#fffbeb;
  --danger:#dc2626;
  --danger-50:#fef2f2;
  --info:#0284c7;
  --radius:10px;
  --radius-sm:6px;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 1px 3px rgba(16,24,40,.06);
  --shadow-lg:0 10px 30px rgba(16,24,40,.10);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--text);
  font:14px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-600)}
h1,h2,h3,h4{margin:0;font-weight:600;color:var(--text)}
.muted{color:var(--muted)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace}

/* ---------- Layout ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{
  width:224px;flex:0 0 224px;background:var(--panel);border-right:1px solid var(--border);
  display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:20;
}
.brand{display:flex;align-items:center;gap:10px;padding:18px 18px 16px;border-bottom:1px solid var(--border)}
.brand-logo{
  width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,#4f46e5,#7c3aed);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px;flex:0 0 32px;
}
.brand-name{font-weight:650;font-size:15px;letter-spacing:.2px}
.brand-sub{font-size:11px;color:var(--muted);margin-top:1px}
.nav{padding:10px 10px;flex:1;overflow-y:auto}
.nav-group{font-size:11px;color:var(--muted);padding:12px 10px 6px;letter-spacing:.6px;text-transform:uppercase}
.nav a{
  display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:var(--radius-sm);
  color:var(--text-2);font-size:13.5px;margin-bottom:2px;
}
.nav a:hover{background:#f3f4f6;color:var(--text)}
.nav a.is-active{background:var(--primary-50);color:var(--primary);font-weight:600}
.nav a .ic{width:16px;height:16px;flex:0 0 16px;opacity:.85}
.sidebar-foot{padding:12px 16px;border-top:1px solid var(--border);font-size:12px;color:var(--muted)}

.main{flex:1;margin-left:224px;min-width:0;display:flex;flex-direction:column}
.topbar{
  height:56px;background:var(--panel);border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:15;
}
.topbar h1{font-size:16px}
.topbar-right{display:flex;align-items:center;gap:14px}
.user-chip{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.avatar{
  width:28px;height:28px;border-radius:50%;background:var(--primary-50);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-weight:600;font-size:12px;
}
.content{padding:22px;flex:1}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.page-head h2{font-size:18px}
.page-head .sub{color:var(--muted);font-size:13px;margin-top:2px}

/* ---------- Card ---------- */
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card + .card{margin-top:16px}
.card-head{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:10px}
.card-head h3{font-size:14.5px}
.card-body{padding:16px}
.card-body.tight{padding:0}
.grid{display:grid;gap:16px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:1100px){.g-4{grid-template-columns:repeat(2,minmax(0,1fr))}.g-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.g-2,.g-3,.g-4{grid-template-columns:1fr}}

/* ---------- Stat ---------- */
.stat{padding:16px 18px}
.stat .label{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:6px}
.stat .value{font-size:26px;font-weight:650;margin-top:6px;letter-spacing:-.5px}
.stat .hint{font-size:12px;color:var(--muted);margin-top:4px}
.stat.accent-green .value{color:var(--success)}
.stat.accent-warn .value{color:var(--warn)}
.stat.accent-red .value{color:var(--danger)}
.stat .dot{width:7px;height:7px;border-radius:50%;background:var(--primary);display:inline-block}

/* ---------- Table ---------- */
.table-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
table.tbl th{
  text-align:left;font-weight:600;color:var(--muted);font-size:12px;letter-spacing:.3px;
  padding:10px 14px;border-bottom:1px solid var(--border);background:#fafbfc;white-space:nowrap;
}
table.tbl td{padding:11px 14px;border-bottom:1px solid #f0f1f3;vertical-align:middle}
table.tbl tbody tr:hover{background:#fafbfc}
table.tbl tbody tr:last-child td{border-bottom:none}
.cell-key{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px;color:var(--text-2)}
.cell-sub{color:var(--muted);font-size:12px;margin-top:2px}
.empty{padding:48px 16px;text-align:center;color:var(--muted)}
.empty .ic{font-size:30px;opacity:.35;margin-bottom:8px}

/* ---------- Badge ---------- */
.badge{
  display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:20px;
  font-size:12px;font-weight:500;line-height:18px;white-space:nowrap;
}
.badge-success{background:var(--success-50);color:var(--success)}
.badge-warn{background:var(--warn-50);color:var(--warn)}
.badge-danger{background:var(--danger-50);color:var(--danger)}
.badge-info{background:#eff6ff;color:var(--info)}
.badge-muted{background:#f3f4f6;color:var(--text-2)}
.badge-primary{background:var(--primary-50);color:var(--primary)}
.chip{display:inline-block;padding:1px 7px;border:1px solid var(--border);border-radius:5px;font-size:11.5px;color:var(--text-2);background:#fafbfc;margin:0 4px 4px 0}

/* ---------- Buttons ---------- */
.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(--border-strong);
  background:#fff;color:var(--text);font-size:13.5px;cursor:pointer;transition:.15s;white-space:nowrap;
}
.btn:hover{border-color:#b9bec7;background:#f9fafb}
.btn:active{transform:translateY(.5px)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-600);border-color:var(--primary-600);color:#fff}
.btn-danger{background:#fff;border-color:#f0b4b4;color:var(--danger)}
.btn-danger:hover{background:var(--danger-50);border-color:var(--danger)}
.btn-solid-danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn-solid-danger:hover{background:#b91c1c;color:#fff}
.btn-sm{height:28px;padding:0 10px;font-size:12.5px}
.btn-ghost{border-color:transparent;background:transparent;color:var(--text-2)}
.btn-ghost:hover{background:#f3f4f6}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn-group{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- Forms ---------- */
.form-row{display:grid;grid-template-columns:150px 1fr;gap:14px;align-items:start;padding:11px 0}
.form-row > label{font-size:13.5px;color:var(--text-2);padding-top:7px}
.form-row > label .req{color:var(--danger);margin-left:2px}
input[type=text],input[type=password],input[type=number],input[type=email],input[type=datetime-local],input[type=date],select,textarea{
  width:100%;height:34px;padding:0 10px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);
  background:#fff;color:var(--text);font-size:13.5px;font-family:inherit;outline:none;transition:.15s;
}
textarea{height:auto;padding:8px 10px;resize:vertical;line-height:1.6}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.12)}
.field-hint{font-size:12px;color:var(--muted);margin-top:5px}
.inline{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.check{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--text-2);cursor:pointer;user-select:none}
.check input{width:15px;height:15px;accent-color:var(--primary)}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;padding:14px 16px;border-bottom:1px solid var(--border)}
.filter-bar .f{display:flex;flex-direction:column;gap:5px}
.filter-bar .f label{font-size:12px;color:var(--muted)}
.filter-bar input,.filter-bar select{height:32px;width:auto;min-width:130px}

/* ---------- Key box ---------- */
.keybox{
  display:flex;align-items:center;gap:10px;background:#f8f9fb;border:1px dashed var(--border-strong);
  border-radius:var(--radius-sm);padding:10px 12px;
}
.keybox code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;letter-spacing:.5px;color:var(--primary);flex:1;word-break:break-all}

/* ---------- Pagination ---------- */
.pager{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;gap:10px;flex-wrap:wrap}
.pager .info{font-size:12.5px;color:var(--muted)}
.pager .pages{display:flex;gap:4px}
.pager a,.pager span{
  min-width:30px;height:30px;padding:0 8px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;background:#fff;color:var(--text-2);
}
.pager a:hover{border-color:var(--primary);color:var(--primary)}
.pager span.cur{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.pager span.dis{opacity:.45}

/* ---------- Modal ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(17,24,39,.45);display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
.modal-mask.open{display:flex}
.modal{background:#fff;border-radius:12px;box-shadow:var(--shadow-lg);width:100%;max-width:460px;max-height:88vh;overflow:auto}
.modal-head{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.modal-head h3{font-size:15px}
.modal-body{padding:18px}
.modal-foot{padding:12px 18px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px;background:#fafbfc;border-radius:0 0 12px 12px}
.x-close{border:none;background:none;font-size:20px;line-height:1;color:var(--muted);cursor:pointer}

/* ---------- Toast ---------- */
.toasts{position:fixed;top:16px;right:16px;z-index:200;display:flex;flex-direction:column;gap:8px}
.toast{
  min-width:260px;max-width:520px;background:#fff;border:1px solid var(--border);border-left:3px solid var(--primary);
  border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);padding:11px 14px;font-size:13.5px;
  animation:slideIn .22s ease;word-break:break-all;
}
.toast.ok{border-left-color:var(--success)}
.toast.err{border-left-color:var(--danger)}
@keyframes slideIn{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:none}}

/* ---------- Auth ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#f7f8fa,#eef1f6);padding:20px}
.auth-card{width:100%;max-width:380px;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:30px}
.auth-card .brand{justify-content:center;border:none;padding:0 0 18px}
.auth-card h2{font-size:18px;text-align:center;margin-bottom:4px}
.auth-card .tip{text-align:center;color:var(--muted);font-size:13px;margin-bottom:20px}
.auth-card .btn{width:100%;height:38px}
.auth-foot{margin-top:16px;text-align:center;font-size:12px;color:var(--muted)}

/* ---------- Misc ---------- */
.kv{display:grid;grid-template-columns:120px 1fr;gap:8px 14px;font-size:13.5px}
.kv dt{color:var(--muted)}
.kv dd{margin:0;word-break:break-all}
pre.code{
  background:#0f172a;color:#e2e8f0;padding:14px;border-radius:var(--radius-sm);overflow:auto;
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.65;margin:0;max-height:420px;
}
pre.code .k{color:#93c5fd}
pre.code .s{color:#86efac}
pre.code .n{color:#fcd34d}
pre.code .b{color:#fca5a5}
.divider{height:1px;background:var(--border);margin:14px 0}
.right{text-align:right}
.nowrap{white-space:nowrap}
.ellipsis{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:5px}
.sd-ok{background:var(--success)}.sd-no{background:var(--danger)}.sd-wn{background:var(--warn)}