/* ============================================================
   软件授权管理后台 - 样式
   ============================================================ */
:root {
    --bg: #f4f6fb;
    --card: #ffffff;
    --border: #e5eaf3;
    --border-strong: #d3dcea;
    --text: #1e293b;
    --muted: #64748b;
    --muted-2: #94a3b8;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-soft: #e8efff;
    --success: #15803d;
    --success-soft: #e7f6ec;
    --warning: #b45309;
    --warning-soft: #fff4e5;
    --danger: #b91c1c;
    --danger-soft: #feecec;
    --info: #0e7490;
    --info-soft: #e6f6fa;
    --sidebar: #0f172a;
    --sidebar-2: #172033;
    --radius: 12px;
    --shadow: 0 10px 30px rgba(15, 23, 42, .06);
    --font: "Microsoft YaHei", "PingFang SC", -apple-system, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

h1, h2, h3, h4 { margin: 0; font-weight: 700; }

.icon { width: 18px; height: 18px; flex: 0 0 auto; }

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

.sidebar {
    width: 236px;
    flex: 0 0 236px;
    background: linear-gradient(180deg, var(--sidebar) 0%, #131c2e 100%);
    color: #e2e8f0;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 30;
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 20px 18px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex: 0 0 auto;
    box-shadow: 0 6px 16px rgba(59, 130, 246, .35);
}
.brand-mark .icon { width: 20px; height: 20px; }

.brand-text { min-width: 0; }
.brand-name {
    font-size: 15px;
    font-weight: 700;
    color: #f8fafc;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.brand-sub { font-size: 11px; color: #94a3b8; letter-spacing: .04em; }

.nav { padding: 14px 10px; flex: 1; overflow-y: auto; }
.nav-group-title {
    font-size: 11px;
    color: #7c8aa5;
    letter-spacing: .08em;
    padding: 10px 12px 6px;
    text-transform: uppercase;
}

.nav a {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 12px;
    border-radius: 9px;
    color: #cbd5e1;
    font-size: 13.5px;
    margin-bottom: 3px;
    transition: background .15s, color .15s;
}
.nav a:hover { background: rgba(255, 255, 255, .06); color: #fff; }
.nav a.active {
    background: linear-gradient(90deg, rgba(37, 99, 235, .95), rgba(59, 130, 246, .75));
    color: #fff;
    box-shadow: 0 6px 16px rgba(37, 99, 235, .28);
}
.nav a .icon { opacity: .9; }

.sidebar-footer {
    padding: 14px;
    border-top: 1px solid rgba(255, 255, 255, .07);
    display: flex;
    align-items: center;
    gap: 10px;
}
.avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #e2e8f0;
    font-weight: 700;
    flex: 0 0 auto;
}
.sidebar-user { flex: 1; min-width: 0; }
.sidebar-user b { display: block; color: #e2e8f0; font-size: 13px; }
.sidebar-user span { font-size: 11px; color: #8fa0ba; }
.logout-btn {
    background: transparent;
    border: 0;
    color: #94a3b8;
    cursor: pointer;
    padding: 6px;
    border-radius: 7px;
    display: flex;
}
.logout-btn:hover { background: rgba(255, 255, 255, .08); color: #fff; }

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

.topbar {
    height: 62px;
    background: rgba(255, 255, 255, .9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 20;
}
.topbar h1 { font-size: 17px; }
.topbar .spacer { flex: 1; }
.topbar-meta { font-size: 12px; color: var(--muted); }
.nav-toggle {
    display: none;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px;
    cursor: pointer;
    color: var(--text);
}

.content { padding: 22px 24px 40px; width: 100%; max-width: 1380px; margin: 0 auto; }

/* ========================= 卡片 / 网格 ========================= */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.card + .card { margin-top: 18px; }
.card-head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.card-head h2 { font-size: 15px; }
.card-head .spacer { flex: 1; }
.card-body { padding: 20px; }
.card-body.tight { padding: 0; }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-main { grid-template-columns: minmax(0, 1.65fr) minmax(320px, 1fr); align-items: start; }

/* ========================= 统计卡片 ========================= */
.stat {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
    display: flex;
    gap: 14px;
    align-items: center;
}
.stat-icon {
    width: 42px;
    height: 42px;
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    background: var(--primary-soft);
    color: var(--primary);
}
.stat-icon.green { background: var(--success-soft); color: var(--success); }
.stat-icon.orange { background: var(--warning-soft); color: var(--warning); }
.stat-icon.cyan { background: var(--info-soft); color: var(--info); }
.stat-label { font-size: 12.5px; color: var(--muted); }
.stat-value { font-size: 24px; font-weight: 800; line-height: 1.25; letter-spacing: -.02em; }
.stat-hint { font-size: 11.5px; color: var(--muted-2); }

/* ========================= 表格 ========================= */
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.table th {
    text-align: left;
    font-weight: 600;
    color: var(--muted);
    background: #f8fafc;
    padding: 11px 14px;
    white-space: nowrap;
    border-bottom: 1px solid var(--border);
    font-size: 12.5px;
}
table.table td {
    padding: 12px 14px;
    border-bottom: 1px solid #eef2f8;
    vertical-align: middle;
}
table.table tr:last-child td { border-bottom: 0; }
table.table tbody tr:hover { background: #f9fbff; }
table.table .nowrap { white-space: nowrap; }
table.table .num { font-variant-numeric: tabular-nums; }
.table-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* ========================= 按钮 ========================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid transparent;
    background: #eef2f8;
    color: var(--text);
    font-size: 13.5px;
    font-family: var(--font);
    cursor: pointer;
    white-space: nowrap;
    transition: background .15s, border-color .15s, color .15s, box-shadow .15s;
    line-height: 1.4;
}
.btn:hover { background: #e4eaf4; color: var(--text); }
.btn .icon { width: 16px; height: 16px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 14px rgba(37, 99, 235, .22); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-outline { background: #fff; border-color: var(--border-strong); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: #fff; }
.btn-danger { background: var(--danger-soft); color: var(--danger); }
.btn-danger:hover { background: #fbdcdc; color: var(--danger); }
.btn-ghost { background: transparent; color: var(--muted); padding: 6px 8px; }
.btn-ghost:hover { background: #eef2f8; color: var(--text); }
.btn-sm { padding: 5px 10px; font-size: 12.5px; border-radius: 7px; }
.btn-block { width: 100%; }
.btn:disabled, .btn.disabled { opacity: .55; cursor: not-allowed; }

/* ========================= 表单 ========================= */
.form-group { margin-bottom: 16px; }
.form-group > label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #334155;
    margin-bottom: 6px;
}
.form-control {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    background: #fff;
    color: var(--text);
    font-size: 13.5px;
    font-family: var(--font);
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, .12); }
textarea.form-control { resize: vertical; min-height: 92px; line-height: 1.6; }
select.form-control { height: 38px; }
.form-hint { font-size: 12px; color: var(--muted); margin-top: 5px; line-height: 1.6; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 16px; }
.form-row-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 16px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; margin: 8px 0; font-size: 13px; color: #334155; }
.checkbox-row input { width: 16px; height: 16px; accent-color: var(--primary); }
.form-actions { display: flex; gap: 10px; align-items: center; margin-top: 4px; }
.required { color: var(--danger); font-weight: 400; }

/* ========================= 徽标 / 状态 ========================= */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.7;
    white-space: nowrap;
}
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-info { background: var(--info-soft); color: var(--info); }
.badge-muted { background: #eef2f8; color: var(--muted); }
.badge-primary { background: var(--primary-soft); color: var(--primary); }

/* ========================= 提示 ========================= */
.alert {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 12px 14px;
    border-radius: 9px;
    margin-bottom: 14px;
    font-size: 13px;
    line-height: 1.65;
    border: 1px solid transparent;
}
.alert .icon { width: 17px; height: 17px; margin-top: 2px; }
.alert-success { background: var(--success-soft); color: #14532d; border-color: #c9ebd3; }
.alert-error { background: var(--danger-soft); color: #7f1d1d; border-color: #f7cfcf; }
.alert-warning { background: var(--warning-soft); color: #78350f; border-color: #f6e0bd; }
.alert-info { background: var(--primary-soft); color: #1e3a8a; border-color: #d3e0ff; }

/* ========================= 分页 ========================= */
.pager {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 18px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}
.pager-meta { font-size: 12.5px; color: var(--muted); }
.pager-links { display: flex; gap: 6px; flex-wrap: wrap; }
.page-link {
    min-width: 34px;
    text-align: center;
    padding: 5px 10px;
    border-radius: 7px;
    border: 1px solid var(--border-strong);
    background: #fff;
    color: var(--text);
    font-size: 12.5px;
}
.page-link:hover { border-color: var(--primary); color: var(--primary); }
.page-link.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.page-link.disabled { opacity: .45; pointer-events: none; }

/* ========================= 筛选栏 ========================= */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: flex-end;
    padding: 16px 18px;
    border-bottom: 1px solid var(--border);
    background: #fbfcff;
}
.filters .form-control { height: 36px; }
.filter-item { display: flex; flex-direction: column; gap: 4px; min-width: 150px; }
.filter-item label { font-size: 12px; color: var(--muted); }
.filter-item.grow { flex: 1; min-width: 200px; }
.filters .btn { height: 36px; }

/* ========================= 软件信息 ========================= */
.sw-hero {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    padding: 22px;
}
.app-icon {
    width: 64px;
    height: 64px;
    border-radius: 14px;
    object-fit: cover;
    border: 1px solid var(--border);
    background: #f1f5fb;
    flex: 0 0 auto;
}
.app-icon-sm {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
    border: 1px solid var(--border);
    background: #f1f5fb;
    flex: 0 0 auto;
}
.app-icon-text {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    font-weight: 800;
    color: var(--primary);
    background: linear-gradient(135deg, #e8efff, #dbe7ff) !important;
}
.app-icon-sm.app-icon-text { font-size: 17px; }
.app-icon-sm .icon { width: 18px; height: 18px; }
.sw-head-main { flex: 1; min-width: 0; }
.sw-title { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.sw-title h2 { font-size: 20px; }
.sw-meta { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 6px; font-size: 12.5px; color: var(--muted); }
.sw-desc { margin-top: 10px; color: #475569; font-size: 13.5px; line-height: 1.75; }
.sw-hero-actions { display: flex; flex-direction: column; gap: 8px; flex: 0 0 auto; }

.mono {
    font-family: "Cascadia Code", Consolas, "SFMono-Regular", Menlo, monospace;
    font-size: 12.5px;
    letter-spacing: .04em;
}
.code-lg {
    font-family: "Cascadia Code", Consolas, monospace;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: .12em;
    color: #1e3a8a;
}

.kv-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; }
.kv { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px dashed #e8edf6; font-size: 13px; }
.kv:last-child { border-bottom: 0; }
.kv span { color: var(--muted); }
.kv b { font-weight: 600; text-align: right; word-break: break-all; }

.copy-box { display: flex; gap: 8px; }
.copy-box .form-control { font-family: Consolas, monospace; font-size: 12.5px; background: #f8fafc; }

.code-block {
    margin: 0;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: #0f172a;
    color: #e2e8f0;
    font-family: "Cascadia Code", Consolas, "SFMono-Regular", Menlo, monospace;
    font-size: 12.5px;
    line-height: 1.7;
    overflow-x: auto;
    white-space: pre;
    tab-size: 4;
}
.form-group .code-block { margin-top: 4px; }
.copy-box + .code-block { margin-top: 10px; }
code {
    padding: 1px 5px;
    border-radius: 4px;
    background: #eef2f8;
    color: #1e3a8a;
    font-family: Consolas, monospace;
    font-size: 12px;
}
.code-block code { background: transparent; color: inherit; padding: 0; }

.empty {
    padding: 44px 20px;
    text-align: center;
    color: var(--muted);
}
.empty .icon { width: 40px; height: 40px; color: #cbd5e1; margin-bottom: 8px; }
.empty p { margin: 6px 0; }

/* ========================= 详情列表 ========================= */
.detail-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px;
    flex-wrap: wrap;
}
.detail-code {
    background: #f8fafc;
    border: 1px dashed var(--border-strong);
    border-radius: 10px;
    padding: 16px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
}

/* ========================= 图表（近 7 天趋势） ========================= */
.chart {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    height: 150px;
    padding: 10px 4px 0;
}
.chart-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.chart-bar { width: 100%; max-width: 42px; background: linear-gradient(180deg, #60a5fa, #2563eb); border-radius: 6px 6px 2px 2px; min-height: 3px; transition: height .3s; }
.chart-label { font-size: 11px; color: var(--muted); white-space: nowrap; }
.chart-value { font-size: 11px; color: #334155; font-weight: 600; }

/* ========================= 工具类 ========================= */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }
.w-100 { width: 100%; }
.text-muted { color: var(--muted); }
.text-sm { font-size: 12.5px; }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-right { text-align: right; }
.muted-block { font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.divider { height: 1px; background: var(--border); margin: 16px 0; }

/* ========================= 登录页 ========================= */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(1000px 500px at 10% 0%, rgba(37, 99, 235, .18), transparent 60%),
        radial-gradient(800px 500px at 100% 100%, rgba(99, 102, 241, .16), transparent 60%),
        #f4f6fb;
    padding: 24px;
}
.login-card {
    width: 100%;
    max-width: 400px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, .12);
    padding: 32px 30px 26px;
}
.login-logo {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin: 0 auto 14px;
    box-shadow: 0 10px 22px rgba(59, 130, 246, .35);
}
.login-logo .icon { width: 26px; height: 26px; }
.login-title { text-align: center; font-size: 21px; letter-spacing: -.01em; }
.login-sub { text-align: center; font-size: 12.5px; color: var(--muted); margin: 6px 0 22px; }
.login-footer { margin-top: 20px; text-align: center; font-size: 11.5px; color: var(--muted-2); line-height: 1.7; }
.captcha-row { display: flex; gap: 10px; align-items: stretch; }
.captcha-row .form-control { flex: 1; }
.captcha-img {
    width: 130px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-strong);
    cursor: pointer;
    display: block;
    background: #f1f5fc;
    object-fit: cover;
}
.captcha-tip { font-size: 11.5px; color: var(--muted-2); margin-top: 5px; }

/* ========================= 响应式 ========================= */
@media (max-width: 1080px) {
    .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
        transition: transform .22s ease;
        box-shadow: 12px 0 40px rgba(15, 23, 42, .25);
    }
    body.nav-open .sidebar { transform: translateX(0); }
    body.nav-open::after {
        content: "";
        position: fixed;
        inset: 0;
        background: rgba(15, 23, 42, .35);
        z-index: 25;
    }
    .nav-toggle { display: inline-flex; }
    .content { padding: 16px; }
    .topbar { padding: 0 16px; }
    .topbar-meta { display: none; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .grid-main { grid-template-columns: 1fr; }
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
    .kv-grid { grid-template-columns: 1fr; }
    .sw-hero { flex-direction: column; }
    .sw-hero-actions { width: 100%; flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 560px) {
    .filters { padding: 12px; }
    .filter-item { min-width: 100%; }
    .card-head { flex-wrap: wrap; }
    .login-card { padding: 26px 20px 20px; }
    .pager { justify-content: center; }
}