/* ============================================================================
   独立授权中心 — 后台样式
   设计：简洁、清爽、信息密度高、无外部依赖
   兼容：现代浏览器
   ============================================================================ */

:root {
    --primary: #4f6ef7;
    --primary-dark: #3b5bdb;
    --success: #51cf66;
    --warning: #fcc419;
    --danger: #ff6b6b;
    --info: #339af0;
    --bg: #f1f3f5;
    --sidebar-bg: #1e293b;
    --sidebar-text: #94a3b8;
    --sidebar-active: #4f6ef7;
    --card-bg: #fff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --radius: 6px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; font-size: 14px; color: var(--text); background: var(--bg); line-height: 1.6; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Login Page ---- */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.login-box { background: #fff; border-radius: 12px; padding: 40px 36px; width: 380px; box-shadow: 0 20px 60px rgba(0,0,0,.15); }
.login-box h1 { font-size: 22px; text-align: center; margin-bottom: 6px; color: var(--text); }
.login-box .sub { text-align: center; color: var(--text-secondary); font-size: 13px; margin-bottom: 28px; }
.login-box label { display: block; font-weight: 500; margin-bottom: 4px; font-size: 13px; color: var(--text-secondary); }
.login-box input[type=text], .login-box input[type=password] { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 14px; margin-bottom: 16px; transition: border .2s; }
.login-box input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,110,247,.12); }
.login-box .btn-login { width: 100%; padding: 11px; background: var(--primary); color: #fff; border: none; border-radius: var(--radius); font-size: 15px; font-weight: 500; cursor: pointer; transition: background .2s; }
.login-box .btn-login:hover { background: var(--primary-dark); }
.login-error { background: #fff5f5; color: var(--danger); padding: 10px 14px; border-radius: var(--radius); margin-bottom: 16px; font-size: 13px; border: 1px solid #fecaca; }
.login-gate { background: #eff6ff; border: 1px solid #bfdbfe; border-radius: 12px; padding: 14px 16px; margin-bottom: 18px; }
.login-gate-title { font-size: 14px; font-weight: 600; color: #1d4ed8; margin-bottom: 4px; }
.login-gate-desc { font-size: 13px; color: #475569; line-height: 1.7; }
.login-footer-note { margin-top: 16px; padding: 10px 12px; border-radius: 10px; background: #f8fafc; border: 1px solid var(--border); font-size: 12px; color: var(--text-secondary); line-height: 1.7; word-break: break-all; }

/* ---- Layout ---- */
.admin-layout { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: var(--sidebar-bg); color: var(--sidebar-text); flex-shrink: 0; display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0; z-index: 100; }
.sidebar .brand { padding: 20px 18px; font-size: 16px; font-weight: 700; color: #fff; border-bottom: 1px solid rgba(255,255,255,.06); }
.sidebar .brand span { color: var(--primary); }
.sidebar nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.sidebar nav a { display: flex; align-items: center; padding: 10px 18px; color: var(--sidebar-text); font-size: 13.5px; transition: all .15s; border-left: 3px solid transparent; }
.sidebar nav a:hover { color: #fff; background: rgba(255,255,255,.05); text-decoration: none; }
.sidebar nav a.active { color: #fff; background: rgba(79,110,247,.15); border-left-color: var(--sidebar-active); }
.sidebar nav a .icon { width: 20px; margin-right: 10px; text-align: center; font-size: 15px; }
.sidebar .sidebar-footer { padding: 14px 18px; border-top: 1px solid rgba(255,255,255,.06); font-size: 12px; }
.sidebar .sidebar-footer a { color: var(--sidebar-text); }
.sidebar .sidebar-footer a:hover { color: #fff; }

.main-area { margin-left: 220px; flex: 1; min-width: 0; }
.topbar { background: var(--card-bg); border-bottom: 1px solid var(--border); padding: 0 28px; height: 54px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 50; }
.topbar .page-title { font-size: 16px; font-weight: 600; }
.topbar .user-info { font-size: 13px; color: var(--text-secondary); }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.content { padding: 24px 28px; }

/* ---- Flash Messages ---- */
.flash { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 20px; font-size: 13px; }
.flash-success { background: #d3f9d8; color: #2b8a3e; border: 1px solid #b2f2bb; }
.flash-error { background: #fff5f5; color: #c92a2a; border: 1px solid #ffc9c9; }

/* ---- Cards ---- */
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 20px; }
.card-header { padding: 14px 18px; border-bottom: 1px solid var(--border); font-weight: 600; font-size: 14px; display: flex; align-items: center; justify-content: space-between; }
.card-body { padding: 18px; }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
table th { background: #f8f9fa; text-align: left; padding: 10px 12px; font-weight: 600; color: var(--text-secondary); border-bottom: 2px solid var(--border); white-space: nowrap; }
table td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table tr:hover td { background: #f8f9fa; }
table .actions { white-space: nowrap; }
table .actions a, table .actions button { margin-right: 4px; }

/* ---- Status Badges ---- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 12px; font-weight: 500; line-height: 1.5; }
.badge-active { background: #d3f9d8; color: #2b8a3e; }
.badge-expired { background: #fff3bf; color: #e67700; }
.badge-grace-expired { background: #ffe8cc; color: #d9480f; }
.badge-frozen { background: #d0ebff; color: #1864ab; }
.badge-revoked { background: #ffe3e3; color: #c92a2a; }
.badge-yearly { background: #e7f5ff; color: #1971c2; }
.badge-lifetime { background: #f3d9fa; color: #862e9c; }
.badge-inactive { background: #f1f3f5; color: #868e96; }

/* ---- Buttons ---- */
.btn { display: inline-block; padding: 7px 14px; border-radius: var(--radius); font-size: 13px; font-weight: 500; border: 1px solid var(--border); background: #fff; color: var(--text); cursor: pointer; transition: all .15s; text-align: center; line-height: 1.4; }
.btn:hover { background: #f8f9fa; text-decoration: none; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: #fa5252; border-color: #fa5252; color: #fff; }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { background: #40c057; color: #fff; }
.btn-warning { background: var(--warning); color: #333; border-color: var(--warning); }
.btn-info { background: var(--info); color: #fff; border-color: var(--info); }
.btn-outline-danger { background: #fff; color: #c92a2a; border-color: #ffc9c9; }
.btn-outline-danger:hover { background: #fff5f5; color: #c92a2a; }

/* ---- Forms & Filters ---- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; align-items: flex-end; }
.filter-bar .field { display: flex; flex-direction: column; }
.filter-bar .field label { font-size: 12px; color: var(--text-secondary); margin-bottom: 3px; }
.filter-bar input, .filter-bar select { padding: 7px 10px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px; }
.filter-bar input:focus, .filter-bar select:focus { outline: none; border-color: var(--primary); }

.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-weight: 500; margin-bottom: 4px; font-size: 13px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px; }
.form-group textarea { min-height: 80px; resize: vertical; }
.form-hint { margin-top: 6px; font-size: 12px; color: var(--text-secondary); line-height: 1.6; }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 18px; }
.form-grid { display: grid; gap: 16px; }
.form-grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.form-grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.checkbox-line { display: flex !important; align-items: center; gap: 8px; font-weight: 400 !important; margin-top: 10px; }
.checkbox-line input { width: auto !important; }
.readonly-box { border: 1px dashed var(--border); background: #f8fafc; border-radius: var(--radius); padding: 10px 12px; display: flex; flex-direction: column; gap: 4px; min-height: 42px; justify-content: center; }

/* ---- Pagination ---- */
.pagination { display: flex; gap: 4px; align-items: center; margin-top: 16px; font-size: 13px; }
.pagination a, .pagination span { padding: 6px 11px; border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); }
.pagination a:hover { background: #f1f3f5; text-decoration: none; }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination .info { border: none; color: var(--text-secondary); }

/* ---- Detail Page ---- */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .detail-grid { grid-template-columns: 1fr; } }

/* dl-row as wrapper div pattern (settings, matrix detail) */
div.dl-row { display: flex; padding: 7px 0; border-bottom: 1px solid #f1f3f5; font-size: 13px; }
div.dl-row dt { width: 140px; flex-shrink: 0; color: var(--text-secondary); font-weight: 500; margin: 0; }
div.dl-row dd { flex: 1; word-break: break-all; margin: 0; }

/* dl-row as <dl> with multiple dt/dd pairs (license detail) */
dl.dl-row { margin: 0; padding: 0; }
dl.dl-row dt { float: left; clear: left; width: 120px; padding: 7px 0; color: var(--text-secondary); font-weight: 500; font-size: 13px; border-bottom: 1px solid #f1f3f5; }
dl.dl-row dd { margin-left: 130px; padding: 7px 0; font-size: 13px; border-bottom: 1px solid #f1f3f5; word-break: break-all; }

/* ---- Stats Cards ---- */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.stat-card .num { font-size: 26px; font-weight: 700; color: var(--text); }
.stat-card .label { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
a.stat-card-link { display: block; color: inherit; transition: box-shadow .15s, border-color .15s; }
a.stat-card-link:hover { text-decoration: none; box-shadow: 0 2px 8px rgba(0,0,0,.08); border-color: var(--primary); }

/* ---- Code / JSON Preview ---- */
.code-block { background: #1e293b; color: #e2e8f0; padding: 14px 16px; border-radius: var(--radius); font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; font-size: 12px; overflow-x: auto; white-space: pre-wrap; word-break: break-all; max-height: 400px; overflow-y: auto; line-height: 1.6; }

/* ---- Filter Form (inside filter-bar) ---- */
.filter-bar form, .filter-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
.table-summary { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; }
.empty-row { text-align: center; color: var(--text-secondary); padding: 32px 12px !important; }
.code-cell { font-family: "SFMono-Regular", Consolas, monospace; font-size: 12.5px; letter-spacing: .3px; }

/* ---- Detail Page Extras ---- */
.actions-body { display: flex; flex-wrap: wrap; gap: 8px; align-items: flex-start; }
.actions-body form { margin: 0; }
.action-divider { width: 100%; border: none; border-top: 1px solid var(--border); margin: 8px 0; }
.action-label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 4px; color: var(--text-secondary); }
.input-group { display: flex; gap: 6px; align-items: center; }
.input-sm { padding: 6px 8px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px; width: 100px; }
.input-textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px; min-height: 60px; resize: vertical; }
.override-list { list-style: none; padding: 0; margin-top: 6px; }
.override-list li { padding: 4px 0; font-size: 13px; }
.btn-outline { border: 1px solid var(--border); background: #fff; color: var(--text); }
.btn-outline:hover { background: #f8f9fa; }

/* ---- Panel (used in notices/matrix) ---- */
.panel { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 20px; }
.panel h3 { font-size: 15px; margin-bottom: 14px; }
.form-stack .form-group { margin-bottom: 12px; }

/* ---- Page link / info ---- */
.page-info { color: var(--text-secondary); font-size: 13px; padding: 0 8px; }

/* ---- Misc ---- */
.text-muted { color: var(--text-secondary); }
.text-sm { font-size: 12px; }
.text-danger { color: var(--danger); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }
.tip-box { background: #e7f5ff; color: #1864ab; padding: 12px 16px; border-radius: var(--radius); font-size: 13px; border: 1px solid #a5d8ff; margin-bottom: 18px; }
.tip-box-success { background: #ebfbee; color: #2b8a3e; border-color: #b2f2bb; }
.tip-box-warning { background: #fff9db; color: #e67700; border-color: #ffe066; }
.inline-form { display: inline; }

/* ---- Page helpers ---- */
.page-actions { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 18px; }
.page-actions-title { font-size: 18px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.page-actions-desc { font-size: 13px; color: var(--text-secondary); max-width: 760px; line-height: 1.7; }
.page-actions-buttons { display: flex; gap: 8px; flex-wrap: wrap; }
.split-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr); gap: 20px; }
@media (max-width: 1100px) { .split-grid { grid-template-columns: 1fr; } }

/* ---- Soft cards / info ---- */
.soft-card { border: 1px solid var(--border); background: #f8fafc; border-radius: var(--radius); padding: 14px 16px; margin-bottom: 16px; }
.soft-card-title { font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.soft-card-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }
.soft-card-accent { background: linear-gradient(135deg, #eef2ff, #f8fafc); border-color: #c7d2fe; }
.info-list { display: flex; flex-direction: column; gap: 14px; }
.info-item strong { display: block; font-size: 13px; margin-bottom: 4px; }
.info-item p { margin: 0; font-size: 13px; color: var(--text-secondary); line-height: 1.7; }

/* ---- Notice helpers ---- */
.notice-title-cell { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; font-weight: 500; }
.color-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; border: 1px solid rgba(0,0,0,.08); flex-shrink: 0; }
.stack-badges { display: flex; flex-wrap: wrap; gap: 6px; }
.stack-actions { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.table-toolbar { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 14px 0 10px; flex-wrap: wrap; }
.table-check-all { margin: 0 !important; }
.compact-inline-form { display: flex; gap: 6px; align-items: center; }
.compact-inline-form input[type=text] { width: 92px; padding: 5px 8px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 12px; }
.color-input-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.color-input-group input[type=color] { width: 42px; height: 36px; padding: 3px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; cursor: pointer; }
.color-input-group input[type=text] { width: 120px; font-family: "SFMono-Regular", Consolas, monospace; }
.compact-color-group input[type=color] { width: 34px; height: 30px; }
.compact-color-group input[type=text] { width: 98px; padding: 5px 8px; font-size: 12px; }
.notice-batch-checkbox { width: 16px; height: 16px; cursor: pointer; }

/* ---- Meta list ---- */
.meta-list { display: flex; flex-direction: column; gap: 0; }
.meta-row { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid #f1f3f5; }
.meta-label { color: var(--text-secondary); font-size: 13px; }
.meta-value { text-align: right; word-break: break-word; font-size: 13px; color: var(--text); }
.meta-value code { white-space: pre-wrap; word-break: break-all; }