@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');

:root{
 --bg:#f5f7fb;--panel:rgba(255,255,255,.92);--text:#172033;--muted:#6b7280;
 --line:#e8edf5;--primary:#5b5cf0;--primary2:#7c3aed;--success:#16a34a;
 --danger:#dc2626;--sidebar:#111827;--shadow:0 10px 35px rgba(30,41,59,.08)
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Noto Sans SC","Microsoft YaHei",sans-serif}
aside{position:fixed;inset:0 auto 0 0;width:252px;background:linear-gradient(180deg,#111827,#172554);padding:22px 14px;color:#fff;z-index:10}
.brand{display:flex;align-items:center;gap:12px;padding:10px 12px 28px;font-size:19px;font-weight:800}
.brand-icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#818cf8,#7c3aed);box-shadow:0 8px 25px rgba(99,102,241,.35)}
.nav-title{font-size:11px;color:#94a3b8;padding:8px 13px;text-transform:uppercase;letter-spacing:1px}
aside a{display:flex;align-items:center;gap:12px;color:#cbd5e1;text-decoration:none;padding:12px 13px;margin:4px 0;border-radius:12px;transition:.2s;font-size:14px}
aside a:hover,aside a.active{color:#fff;background:rgba(255,255,255,.10);transform:translateX(2px)}
aside hr{border:0;border-top:1px solid rgba(255,255,255,.1);margin:18px 8px}
main{margin-left:252px;padding:0 34px 38px;min-height:100vh}
header{height:76px;margin:0 -34px 30px;padding:0 34px;background:rgba(255,255,255,.78);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
header .subtitle{color:var(--muted);font-size:13px}
.header-badge{background:#eef2ff;color:#4f46e5;padding:8px 12px;border-radius:999px;font-size:12px;font-weight:700}
h1{font-size:26px;margin:0 0 22px;font-weight:800;letter-spacing:-.5px}
h2{font-size:17px;margin:0 0 18px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;margin-bottom:22px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.card:before{content:"";position:absolute;width:70px;height:70px;border-radius:50%;background:#eef2ff;right:-22px;top:-25px}
.card b{font-size:13px;color:var(--muted);font-weight:600}.card strong{font-size:30px;display:block;margin-top:12px}
section{background:var(--panel);border:1px solid var(--line);padding:22px;border-radius:18px;margin-bottom:20px;box-shadow:var(--shadow)}
.head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.btn,button{border:0;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;padding:10px 16px;border-radius:10px;text-decoration:none;cursor:pointer;font-weight:600;font-size:13px;box-shadow:0 5px 14px rgba(91,92,240,.2);transition:.2s}
.btn:hover,button:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(91,92,240,.28)}
input,select,textarea{width:100%;padding:11px 13px;border:1px solid #dbe2ec;background:#fff;border-radius:10px;margin:6px 0 14px;font:inherit;outline:none;transition:.2s}
input:focus,select:focus,textarea:focus{border-color:#818cf8;box-shadow:0 0 0 4px rgba(99,102,241,.1)}
label{font-size:13px;font-weight:600;color:#475569}
.search{display:flex;gap:10px;margin-bottom:18px}.search input{margin:0}.search select{width:150px;margin:0}.search button{white-space:nowrap}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:separate;border-spacing:0;font-size:13px}
td,th{padding:13px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{background:#f8fafc;color:#64748b;font-size:12px;font-weight:700}
tr:hover td{background:#fafbff}
.form{max-width:760px}.form form{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.form .full{grid-column:1/-1}
.login{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 20%,#dbeafe,transparent 35%),radial-gradient(circle at 80% 80%,#ede9fe,transparent 35%),#f7f8fc}
.loginbox{width:420px;max-width:calc(100vw - 30px);background:rgba(255,255,255,.92);backdrop-filter:blur(16px);padding:38px;border-radius:24px;border:1px solid rgba(255,255,255,.8);box-shadow:0 25px 70px rgba(30,41,59,.15)}
.login-logo{font-size:42px}.loginbox h1{margin:12px 0 8px}.loginbox p{color:var(--muted)}.loginbox button{width:100%;margin-top:4px}.err{background:#fef2f2!important;color:#dc2626!important;padding:10px;border-radius:9px}
.status{padding:5px 9px;border-radius:999px;font-size:12px;font-weight:700}.active{background:#dcfce7;color:#15803d}.disabled{background:#fee2e2;color:#b91c1c}
.mode{padding:5px 9px;border-radius:999px;background:#eef2ff;color:#4f46e5;font-size:12px;font-weight:700}
.muted{color:var(--muted);font-size:13px}.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.info-item{padding:14px;background:#f8fafc;border-radius:12px}.info-item small{display:block;color:var(--muted);margin-bottom:6px}
@media(max-width:850px){aside{position:static;width:auto;height:auto}.brand{padding-bottom:10px}.nav-title{display:none}aside a{display:inline-flex}main{margin:0;padding:0 16px 24px}header{margin:0 -16px 20px;padding:0 16px}.form form{grid-template-columns:1fr}.search{flex-wrap:wrap}.search input{min-width:100%}.cards{grid-template-columns:repeat(2,1fr)}}


/* V3.5.1 明细区域：页面保持稳定，长数据在面板内部滚动 */
.detail-scroll{max-height:420px;overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
.detail-scroll table{min-width:900px}
.detail-scroll thead th{position:sticky;top:0;z-index:2;box-shadow:0 1px 0 var(--line)}
.detail-scroll::-webkit-scrollbar{width:9px;height:9px}.detail-scroll::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:999px}
.detail-scroll::-webkit-scrollbar-track{background:#f8fafc}
.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:20px}
.actions form{margin:0}.actions button{margin:0}.danger{background:linear-gradient(135deg,#ef4444,#b91c1c)}
.detail-card pre{white-space:pre-wrap;word-break:break-all;background:#f8fafc;padding:14px;border-radius:12px;border:1px solid var(--line)}
.info-grid>div{padding:14px;background:#f8fafc;border-radius:12px;min-width:0}.info-grid b{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.info-grid span{word-break:break-all}
@media(min-width:851px){.dashboard-log-scroll{max-height:430px}.logs-page-scroll{max-height:calc(100vh - 235px);min-height:360px}}
@media(max-width:850px){.actions{gap:10px}.actions form,.actions button{width:100%}.detail-scroll{max-height:360px}}

/* V3.5.2 Modern Login */
.login-modern{background:#f7f8fc;overflow:hidden}.login-modern .login-shell{width:100%;min-height:100vh;display:grid;grid-template-columns:minmax(420px,1fr) minmax(420px,1fr);position:relative}.login-bg{position:fixed;inset:0;background:radial-gradient(circle at 85% 15%,rgba(99,102,241,.08),transparent 30%),#f8fafc;pointer-events:none}.login-visual{position:relative;overflow:hidden;background:linear-gradient(145deg,#111936 0%,#19265a 45%,#5b4ddf 130%);color:#fff;isolation:isolate}.visual-content{height:100%;max-width:650px;margin:auto;padding:64px clamp(42px,8vw,110px);display:flex;flex-direction:column;justify-content:center;position:relative;z-index:2}.visual-brand,.mobile-brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.2px}.visual-brand{position:absolute;top:42px}.visual-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#a5b4fc,#7c3aed);box-shadow:0 10px 28px rgba(124,58,237,.35);font-weight:800;color:#fff}.visual-copy{margin-top:30px}.eyebrow{display:inline-block;color:#bfc8ff;font-size:11px;font-weight:700;letter-spacing:2px;margin-bottom:18px}.visual-copy h2{font-size:clamp(34px,4vw,54px);line-height:1.22;margin:0 0 20px;letter-spacing:-1.5px;color:#fff}.visual-copy p{max-width:500px;color:#c6cdef;font-size:16px;line-height:1.8;margin:0}.visual-stats{display:flex;gap:38px;margin-top:60px}.visual-stats div{display:grid;gap:5px}.visual-stats b{font-size:22px}.visual-stats span{font-size:12px;color:#b8c1e8}.orb{position:absolute;border-radius:50%;filter:blur(1px);opacity:.65;z-index:1}.orb-1{width:420px;height:420px;right:-170px;top:-100px;background:radial-gradient(circle at 35% 35%,#818cf8,rgba(129,140,248,.05) 65%)}.orb-2{width:360px;height:360px;left:-170px;bottom:-130px;background:radial-gradient(circle,#7c3aed,rgba(124,58,237,0) 70%)}.grid-glow{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,transparent,black 30%,transparent);z-index:0}.login-panel{display:grid;place-items:center;position:relative;z-index:1;padding:30px}.login-card{width:min(100%,440px);padding:20px}.mobile-brand{display:none}.login-icon{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:#eef2ff;color:#5b5cf0;margin-bottom:28px}.login-icon svg{width:25px}.login-heading h1{font-size:32px;margin:0 0 10px;letter-spacing:-1px}.login-heading p{margin:0 0 32px;color:#718096;font-size:14px;line-height:1.6}.modern-form{display:grid;gap:20px}.field label{display:block;margin-bottom:8px;color:#334155;font-size:13px}.input-wrap{position:relative}.input-wrap svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:19px;height:19px;color:#94a3b8;pointer-events:none}.input-wrap input{height:52px;margin:0;padding:0 15px 0 46px;border:1px solid #e2e8f0;border-radius:13px;background:#fff;box-shadow:0 1px 2px rgba(15,23,42,.02)}.input-wrap input::placeholder{color:#b3bdca}.input-wrap input:focus{border-color:#818cf8;box-shadow:0 0 0 4px rgba(99,102,241,.10)}.login-submit{height:53px;width:100%;border-radius:13px;margin-top:5px;font-size:14px;display:flex;align-items:center;justify-content:center;gap:12px;background:linear-gradient(135deg,#5b5cf0,#7c3aed);box-shadow:0 12px 25px rgba(91,92,240,.25)}.login-submit:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(91,92,240,.32)}.login-submit .arrow{font-size:20px;line-height:1}.login-error{margin:-8px 0 20px;padding:12px 14px;border:1px solid #fecaca;border-radius:12px;background:#fff5f5;color:#dc2626;font-size:13px}.login-security{display:flex;align-items:center;justify-content:center;gap:7px;color:#94a3b8;font-size:12px;margin-top:25px}.security-dot{width:7px;height:7px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.1)}.login-footer{text-align:center;color:#b0bac8!important;font-size:11px!important;margin-top:28px!important}
@media(max-width:900px){.login-modern .login-shell{grid-template-columns:1fr}.login-visual{display:none}.login-panel{min-height:100vh}.mobile-brand{display:flex;position:absolute;top:30px;left:30px;color:#334155;font-size:14px}.login-card{margin-top:30px}}
@media(max-width:520px){.login-panel{padding:22px}.login-card{padding:10px}.mobile-brand{left:22px;top:22px}.login-heading h1{font-size:29px}.login-icon{margin-bottom:24px}}

/* V3.5.3 授权列表与截止日期编辑 */
.licenses-page-scroll{max-height:calc(100vh - 250px);min-height:380px;overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}
.licenses-page-scroll thead th{position:sticky;top:0;z-index:2;box-shadow:0 1px 0 var(--line)}
.licenses-page-scroll table{min-width:1050px}
.secondary{background:#eef2ff;color:#4f46e5;box-shadow:none}.secondary:hover{box-shadow:0 8px 18px rgba(79,70,229,.12)}
.expire-editor{margin-top:18px;padding:16px;border:1px dashed #c7d2fe;background:#f8faff;border-radius:14px;max-width:520px}.expire-editor input{max-width:280px}.expire-editor button{margin-top:4px}.hidden{display:none!important}
.error{margin:14px 0;padding:12px 14px;border-radius:10px;background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}
@media(max-width:850px){.licenses-page-scroll{max-height:calc(100vh - 280px);min-height:320px}}

/* V3.5.4 设备管理明细面板内部滚动 */
.device-page-scroll{max-height:calc(100vh - 235px);min-height:360px}
.device-page-scroll table{min-width:1050px}
.device-actions{display:flex;gap:8px;align-items:center}
.device-actions form{margin:0}
.device-actions button{white-space:nowrap}
@media(max-width:850px){.device-page-scroll{max-height:360px;min-height:280px}.device-actions{flex-wrap:wrap}.device-actions form,.device-actions button{width:100%}}

/* V3.6 secure session logout button */
.logout-form { display: block; margin: 0; }
.logout-link {
    width: 100%;
    border: 0;
    background: transparent;
    color: inherit;
    text-align: left;
    font: inherit;
    cursor: pointer;
    padding: 10px 12px;
}

/* V3.6 用户数据：筛选 + 固定面板分页 + 底部小计 */
.records-search{display:grid;grid-template-columns:minmax(240px,2fr) minmax(180px,1fr) minmax(180px,1fr) 100px auto;gap:12px;align-items:end}
.records-field{min-width:0}.records-field input,.records-field select{margin:6px 0 0}.records-buttons{display:flex;gap:8px;align-items:center;padding-bottom:0}.records-buttons .btn{white-space:nowrap}
.records-section{padding-bottom:16px}.records-head{margin-bottom:14px}.records-table-wrap{height:calc(100vh - 390px);min-height:360px;overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}
.records-table{min-width:1760px}.records-table thead th{position:sticky;top:0;z-index:3;box-shadow:0 1px 0 var(--line)}
.records-table tfoot td{position:sticky;bottom:0;z-index:2;background:#f8fafc;border-top:2px solid #dbe2ec;border-bottom:0;font-weight:800}
.records-table tfoot td:first-child{position:sticky;left:0;z-index:4}.records-table .subtotal{background:#f8fafc}.records-table .money{font-weight:700}.empty{text-align:center!important;color:var(--muted);padding:50px!important}
.records-pagination{display:flex;justify-content:center;align-items:center;gap:14px;margin-top:16px}.records-pagination .btn{padding:8px 14px}.page-disabled{padding:8px 14px;border:1px solid var(--line);border-radius:10px;color:#a0a8b5;background:#f8fafc}
@media(max-width:1000px){.records-search{grid-template-columns:1fr 1fr}.records-keyword{grid-column:1/-1}.records-buttons{align-items:end}.records-table-wrap{height:420px}}


.records-head{align-items:center}.records-head form{margin:0}.btn.danger{background:linear-gradient(135deg,#ef4444,#dc2626);box-shadow:0 5px 14px rgba(239,68,68,.2)}.btn.danger:hover{box-shadow:0 8px 20px rgba(239,68,68,.28)}.btn.danger:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}.records-alert{margin:0 0 14px;padding:12px 16px;border-radius:10px;border:1px solid}.records-alert.success{background:#f0fdf4;border-color:#bbf7d0;color:#166534}.records-alert.error{background:#fef2f2;border-color:#fecaca;color:#991b1b}


/* V8 筛选栏布局优化：固定合理宽度，防止输入框/按钮被压缩变形 */
.records-search {
  grid-template-columns: 180px minmax(280px, 1fr) 180px 180px 100px auto;
  gap: 12px;
}
.records-search .records-field { min-width: 0; }
.records-search .records-field input,
.records-search .records-field select {
  width: 100%;
  min-width: 0;
}
.records-search .records-keyword { min-width: 280px; }
.records-search .records-buttons {
  flex: 0 0 auto;
  white-space: nowrap;
}
.records-search .records-buttons button,
.records-search .records-buttons .btn {
  flex: 0 0 auto;
  width: auto;
  min-width: 68px;
  white-space: nowrap;
}
.search {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) 140px auto auto;
  gap: 12px;
  align-items: end;
}
.search input, .search select { width: 100%; min-width: 0; margin: 0; }
.search button, .search .btn {
  flex: 0 0 auto;
  width: auto;
  min-width: 68px;
  white-space: nowrap;
}
@media (max-width: 1200px) {
  .records-search { grid-template-columns: 180px minmax(240px, 1fr) 160px 160px 90px auto; }
  .records-search .records-keyword { min-width: 0; }
  .search { grid-template-columns: minmax(240px, 1fr) 130px auto auto; }
}
@media (max-width: 1000px) {
  .records-search { grid-template-columns: 1fr 1fr; }
  .records-search .records-keyword { grid-column: 1 / -1; min-width: 0; }
  .records-search .records-buttons { grid-column: 1 / -1; }
  .search { grid-template-columns: 1fr 1fr; }
  .search input { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .records-search, .search { grid-template-columns: 1fr; }
  .records-search .records-keyword, .records-search .records-buttons, .search input { grid-column: auto; }
}