/* ==========================================================================
   多产品授权管理系统 - 后台样式
   配色：深蓝 + 白色 + 浅灰（与 XyHost 视觉一致）
   ========================================================================== */

:root {
    --navy-900: #101c33;
    --navy-800: #16233d;
    --navy-700: #1d3157;
    --navy-600: #24406f;
    --blue-600: #1f4e9c;
    --blue-500: #2563c9;
    --blue-400: #3b82f6;
    --blue-050: #eef4fd;
    --gray-bg: #f4f6fa;
    --gray-border: #e3e8f0;
    --gray-line: #eef1f6;
    --text: #1f2937;
    --text-muted: #6b7280;
    --text-light: #9aa4b2;
    --white: #ffffff;
    --success: #16a34a;
    --success-bg: #e8f7ee;
    --warning: #d97706;
    --warning-bg: #fdf3e4;
    --danger: #dc2626;
    --danger-bg: #fdeceb;
    --info: #2563eb;
    --info-bg: #eaf1fe;
    --radius: 6px;
    --shadow: 0 1px 3px rgba(16, 28, 51, .08);
    --shadow-hover: 0 4px 14px rgba(16, 28, 51, .10);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--gray-bg);
    color: var(--text);
    font-size: 14px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
    line-height: 1.6;
}

a { color: var(--blue-500); text-decoration: none; }
a:hover { color: var(--blue-600); }
code, pre { font-family: Consolas, Monaco, "Courier New", monospace; }

/* ---------------- 布局 ---------------- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 226px;
    flex: 0 0 226px;
    background: linear-gradient(180deg, var(--navy-800) 0%, var(--navy-900) 100%);
    color: #c9d4e6;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 18px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.brand-logo {
    width: 34px; height: 34px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--blue-400), var(--blue-600));
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 14px; letter-spacing: .5px;
    flex: 0 0 34px;
}

.brand-text {
    font-size: 14px; font-weight: 600; color: #fff;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.nav { padding: 10px 0; flex: 1; overflow-y: auto; }
.nav-item {
    display: block;
    padding: 10px 18px;
    color: #c2cee1;
    font-size: 14px;
    border-left: 3px solid transparent;
    transition: background .15s, color .15s;
}
.nav-item:hover { background: rgba(255, 255, 255, .05); color: #fff; }
.nav-item.active {
    background: rgba(59, 130, 246, .16);
    border-left-color: var(--blue-400);
    color: #fff;
    font-weight: 600;
}
.sidebar-footer {
    padding: 12px 18px;
    font-size: 12px;
    color: #6f7f99;
    border-top: 1px solid rgba(255, 255, 255, .07);
}

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
    height: 58px;
    background: var(--white);
    border-bottom: 1px solid var(--gray-border);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 22px;
    position: sticky; top: 0; z-index: 20;
}
.page-title { font-size: 16px; font-weight: 600; color: var(--navy-800); }
.topbar-right { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--text-muted); }
.topbar-right .user { color: var(--navy-700); font-weight: 600; }
.topbar-right .logout { color: var(--text-muted); }
.topbar-right .logout:hover { color: var(--danger); }

.content { padding: 20px 22px 40px; }

/* ---------------- 卡片 ---------------- */
.card {
    background: var(--white);
    border: 1px solid var(--gray-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 18px;
}
.card-head {
    padding: 13px 18px;
    border-bottom: 1px solid var(--gray-line);
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; flex-wrap: wrap;
}
.card-title { font-size: 14px; font-weight: 600; color: var(--navy-800); }
.card-title .sub { font-weight: 400; color: var(--text-light); font-size: 12px; margin-left: 8px; }
.card-body { padding: 18px; }
.card-body.tight { padding: 0; }

/* ---------------- 统计卡片 ---------------- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}
.stat-card {
    background: var(--white);
    border: 1px solid var(--gray-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px 18px;
    transition: box-shadow .15s, transform .15s;
}
.stat-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-1px); }
.stat-label { font-size: 12px; color: var(--text-muted); }
.stat-value { font-size: 26px; font-weight: 700; color: var(--navy-800); line-height: 1.3; margin-top: 4px; }
.stat-value.small { font-size: 20px; }
.stat-value.online { color: var(--success); }
.stat-value.offline { color: var(--text-light); }
.stat-value.pending { color: var(--warning); }
.stat-value.danger { color: var(--danger); }
.stat-foot { font-size: 12px; color: var(--text-light); margin-top: 2px; }

/* ---------------- 表格 ---------------- */
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.table th, table.table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--gray-line);
    vertical-align: middle;
    white-space: nowrap;
}
table.table th {
    background: #f8fafd;
    color: var(--navy-700);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: .3px;
}
table.table tbody tr:hover { background: #fafcff; }
table.table td.wrap { white-space: normal; word-break: break-all; }
table.table .empty { text-align: center; color: var(--text-light); padding: 32px 0; }
.mono { font-family: Consolas, Monaco, monospace; font-size: 12px; }

/* ---------------- 徽标 ---------------- */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    line-height: 18px;
    background: var(--gray-border);
    color: var(--text-muted);
    white-space: nowrap;
}
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger  { background: var(--danger-bg); color: var(--danger); }
.badge-info    { background: var(--info-bg); color: var(--info); }
.badge-muted   { background: #f0f2f6; color: var(--text-muted); }
.badge-beta    { background: #efe8fd; color: #6d3fd4; }
.badge-stable  { background: var(--gray-border); color: var(--navy-700); }
.badge-invalid { background: #eceff4; color: #8a94a6; text-decoration: line-through; }
.warn-icon     { color: var(--warning); font-weight: 700; margin-left: 4px; cursor: help; }

/* ---------------- 按钮 ---------------- */
.btn {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 4px;
    border: 1px solid var(--gray-border);
    background: var(--white);
    color: var(--text);
    font-size: 13px;
    cursor: pointer;
    line-height: 1.5;
    transition: all .15s;
    text-align: center;
}
.btn:hover { border-color: #c8d2e2; background: #f8fafd; color: var(--navy-700); }
.btn-primary { background: var(--blue-500); border-color: var(--blue-500); color: #fff; }
.btn-primary:hover { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }
.btn-danger { background: var(--white); border-color: #f0b4b0; color: var(--danger); }
.btn-danger:hover { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-muted { background: #f6f8fb; color: var(--text-muted); }
.btn-sm { padding: 3px 9px; font-size: 12px; }
.btn-block { display: block; width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.btn-row { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.btn-link { border: none; background: none; padding: 2px 4px; color: var(--blue-500); cursor: pointer; font-size: 13px; }
.btn-link.danger { color: var(--danger); }

/* ---------------- 表单 ---------------- */
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-group { margin-bottom: 16px; }
.form-group.inline { display: flex; flex-direction: column; gap: 4px; margin-bottom: 0; min-width: 150px; }
.form-label { display: block; font-size: 13px; color: var(--navy-700); margin-bottom: 6px; font-weight: 500; }
.form-label .req { color: var(--danger); margin-left: 2px; }
.form-control {
    width: 100%;
    padding: 7px 10px;
    border: 1px solid var(--gray-border);
    border-radius: 4px;
    font-size: 13px;
    color: var(--text);
    background: var(--white);
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.form-control:focus { border-color: var(--blue-400); box-shadow: 0 0 0 3px rgba(59, 130, 246, .12); }
.form-control[readonly] { background: #f7f9fc; color: var(--text-muted); }
select.form-control { height: 34px; }
textarea.form-control { min-height: 84px; resize: vertical; line-height: 1.6; }
.form-tip { font-size: 12px; color: var(--text-light); margin-top: 4px; }
.form-actions { margin-top: 20px; display: flex; gap: 10px; }
.input-group { display: flex; gap: 8px; align-items: center; }
.input-group .form-control { flex: 1; }
.form-hint-inline { font-size: 12px; color: var(--text-light); }

/* ---------------- 提示 ---------------- */
.alert {
    margin: 16px 22px 0;
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    border: 1px solid transparent;
}
.alert-success { background: var(--success-bg); color: #10693a; border-color: #bfe7cf; }
.alert-error { background: var(--danger-bg); color: #9b1c1c; border-color: #f3c5c1; }
.alert-info { background: var(--info-bg); color: #1b4bb8; border-color: #c9dcfb; }
.alert-warning { background: var(--warning-bg); color: #92500a; border-color: #f2ddb9; }
.alert .close { float: right; cursor: pointer; color: inherit; opacity: .6; }
.alert .close:hover { opacity: 1; }

.notice-box {
    background: var(--blue-050);
    border: 1px solid #d3e3fb;
    color: #1c4ea4;
    padding: 12px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 16px;
    line-height: 1.7;
}

/* ---------------- 描述列表 ---------------- */
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 0; font-size: 13px; }
.kv > div { padding: 9px 12px; border-bottom: 1px solid var(--gray-line); }
.kv > div.kv-key { color: var(--text-muted); background: #fafbfe; }
.kv > div.kv-val { word-break: break-all; }

/* ---------------- 分页 ---------------- */
.pager { padding: 14px 18px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.pager .pager-info { font-size: 12px; color: var(--text-light); }
ul.pagination { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; flex-wrap: wrap; }
ul.pagination li { display: inline-block; }
ul.pagination li a, ul.pagination li span {
    display: inline-block;
    padding: 4px 10px;
    border: 1px solid var(--gray-border);
    border-radius: 4px;
    font-size: 12px;
    color: var(--text);
    background: var(--white);
    min-width: 30px;
    text-align: center;
}
ul.pagination li a:hover { border-color: var(--blue-400); color: var(--blue-500); }
ul.pagination li.active span { background: var(--blue-500); border-color: var(--blue-500); color: #fff; }
ul.pagination li.disabled span { color: var(--text-light); background: #f7f9fc; }

/* ---------------- 代码块 ---------------- */
.code-block {
    background: #0f1b2d;
    color: #cfe0f5;
    padding: 12px 14px;
    border-radius: var(--radius);
    font-size: 12px;
    line-height: 1.7;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
    margin: 0;
}
.secret-box {
    background: #fff8e6;
    border: 1px solid #f0dcae;
    border-radius: var(--radius);
    padding: 12px 14px;
    font-size: 13px;
    margin-bottom: 16px;
}
.secret-box .secret-value {
    font-family: Consolas, Monaco, monospace;
    font-size: 13px;
    color: #8a5a00;
    word-break: break-all;
    background: #fffdf6;
    border: 1px dashed #e5cd97;
    border-radius: 4px;
    padding: 8px 10px;
    margin: 6px 0;
}
.secret-box .secret-tip { color: #a1720c; font-size: 12px; }

/* ---------------- 登录页 ---------------- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 20% 20%, #1d3157 0%, #101c33 60%, #0b1524 100%);
    padding: 20px;
}
.login-box {
    width: 100%;
    max-width: 390px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 18px 50px rgba(6, 14, 28, .45);
    overflow: hidden;
}
.login-head {
    padding: 28px 30px 20px;
    text-align: center;
    border-bottom: 1px solid var(--gray-line);
}
.login-head .logo {
    width: 48px; height: 48px; margin: 0 auto 12px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--blue-400), var(--blue-600));
    color: #fff; display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 17px;
}
.login-head h1 { margin: 0; font-size: 17px; color: var(--navy-800); font-weight: 600; }
.login-head p { margin: 6px 0 0; font-size: 12px; color: var(--text-light); }
.login-body { padding: 24px 30px 28px; }
.login-body .form-group { margin-bottom: 14px; }
.captcha-row { display: flex; gap: 8px; align-items: stretch; }
.captcha-row .form-control { flex: 1; }
.captcha-row img {
    height: 34px; width: 118px; border: 1px solid var(--gray-border);
    border-radius: 4px; cursor: pointer; background: #f4f7fc;
}
.login-footer { text-align: center; font-size: 12px; color: var(--text-light); padding: 0 30px 22px; }

/* ---------------- 图表 ---------------- */
.chart-box { width: 100%; height: 300px; }

/* ---------------- 其它 ---------------- */
.muted { color: var(--text-light); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.nowrap { white-space: nowrap; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-12 { margin-bottom: 12px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.tag-list { display: flex; gap: 4px; flex-wrap: wrap; }
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.dot-on { background: var(--success); }
.dot-off { background: #c3ccda; }
.dot-warn { background: var(--warning); }
.dot-err { background: var(--danger); }
details.inline-detail summary { cursor: pointer; color: var(--blue-500); font-size: 12px; }
details.inline-detail pre { margin-top: 6px; }

@media (max-width: 900px) {
    .layout { flex-direction: column; }
    .sidebar { width: 100%; flex: none; height: auto; position: static; }
    .nav { display: flex; flex-wrap: wrap; padding: 6px; }
    .nav-item { border-left: none; border-bottom: 3px solid transparent; padding: 8px 12px; }
    .nav-item.active { border-left: none; border-bottom-color: var(--blue-400); }
    .kv { grid-template-columns: 110px 1fr; }
    .content { padding: 14px; }
    .alert { margin: 14px 14px 0; }
}