/* SSL 证书自动续签 - 后台管理端样式 */

:root {
    --sidebar-bg: #1f2a37;
    --sidebar-fg: #cbd5e1;
    --sidebar-active: #2563eb;
    --page-bg: #f4f6f9;
    --card-bg: #ffffff;
    --border: #e3e8ef;
    --text: #1f2937;
    --text-muted: #6b7280;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --radius: 8px;
}

* { box-sizing: border-box; }

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

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

code, pre, .mono {
    font-family: Consolas, Monaco, "Courier New", monospace;
    font-size: 12.5px;
}

/* ---------- 布局 ---------- */

.app {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 220px;
    flex: 0 0 220px;
    background: var(--sidebar-bg);
    color: var(--sidebar-fg);
    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, .08);
}

.brand-mark {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: var(--sidebar-active);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex: 0 0 30px;
}

.brand-text {
    font-weight: 600;
    color: #fff;
    font-size: 14.5px;
}

.nav {
    padding: 12px 10px;
    flex: 1;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 6px;
    color: var(--sidebar-fg);
    margin-bottom: 3px;
}

.nav-item:hover {
    background: rgba(255, 255, 255, .07);
    color: #fff;
    text-decoration: none;
}

.nav-item.active {
    background: var(--sidebar-active);
    color: #fff;
}

.nav-icon { width: 16px; text-align: center; opacity: .85; }

.sidebar-foot {
    padding: 14px;
    border-top: 1px solid rgba(255, 255, 255, .08);
}

.user-box {
    margin-bottom: 10px;
}

.user-name { color: #fff; font-weight: 600; }
.user-meta { color: #94a3b8; font-size: 12px; }

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

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 24px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 5;
}

.page-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.topbar-right { display: flex; gap: 8px; align-items: center; }

.content {
    padding: 20px 24px 32px;
    flex: 1;
}

.footer {
    padding: 14px 24px 22px;
    color: var(--text-muted);
    font-size: 12px;
}

/* ---------- 卡片 ---------- */

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 18px;
    overflow: hidden;
}

.card-head {
    padding: 13px 16px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: #fbfcfe;
}

.card-body { padding: 16px; }
.card-body.tight { padding: 0; }

/* ---------- 统计卡 ---------- */

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.stat {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
}

.stat-label { color: var(--text-muted); font-size: 12.5px; }
.stat-value { font-size: 24px; font-weight: 700; margin-top: 4px; }
.stat-value.success { color: var(--success); }
.stat-value.warning { color: var(--warning); }
.stat-value.danger { color: var(--danger); }

/* ---------- 表格 ---------- */

table.data {
    width: 100%;
    border-collapse: collapse;
}

table.data th, table.data td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

table.data th {
    background: #fbfcfe;
    font-weight: 600;
    color: #374151;
    font-size: 13px;
    white-space: nowrap;
}

table.data tbody tr:hover { background: #fafbfd; }
table.data td.actions { white-space: nowrap; text-align: right; }
table.data tr.nowrap td { white-space: nowrap; }

.empty {
    padding: 34px 16px;
    text-align: center;
    color: var(--text-muted);
}

/* ---------- 徽章 ---------- */

.badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.7;
    background: #eef2f7;
    color: #475569;
}

.badge.success { background: #e7f6ef; color: var(--success); }
.badge.warning { background: #fdf3e3; color: var(--warning); }
.badge.danger  { background: #fdecec; color: var(--danger); }
.badge.muted   { background: #f1f5f9; color: #64748b; }
.badge.info    { background: #e8f0fe; color: var(--primary); }

/* ---------- 按钮 ---------- */

.btn {
    display: inline-block;
    padding: 7px 14px;
    border-radius: 6px;
    border: 1px solid transparent;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
    line-height: 1.5;
}

.btn:hover { background: var(--primary-dark); text-decoration: none; color: #fff; }
.btn:disabled { opacity: .6; cursor: not-allowed; }

.btn-sm { padding: 4px 10px; font-size: 12.5px; }
.btn-block { width: 100%; display: block; }

.btn-ghost {
    background: transparent;
    border-color: rgba(255, 255, 255, .25);
    color: #dbe3ee;
}
.btn-ghost:hover { background: rgba(255, 255, 255, .1); color: #fff; }

.btn-outline {
    background: #fff;
    border-color: var(--border);
    color: var(--text);
}
.btn-outline:hover { background: #f7f9fc; color: var(--text); }

.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #b91c1c; }

.btn-success { background: var(--success); }
.btn-success:hover { background: #047857; }

.btn-link {
    background: none;
    border: none;
    color: var(--primary);
    padding: 0;
    cursor: pointer;
    font-size: 13px;
}

.inline-form { display: inline; }

/* ---------- 表单 ---------- */

.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 13px; }

.input, .textarea, .select {
    width: 100%;
    padding: 8px 11px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 13.5px;
    background: #fff;
    color: var(--text);
}

.input:focus, .textarea:focus, .select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}

.textarea { min-height: 90px; resize: vertical; }

.hint { color: var(--text-muted); font-size: 12.5px; margin-top: 5px; }

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    font-weight: normal;
}

.form-actions { display: flex; gap: 10px; align-items: center; }

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 0 18px;
}

/* ---------- 提示 ---------- */

.alert {
    padding: 11px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    border: 1px solid transparent;
}

.alert ul { margin: 0; padding-left: 18px; }
.alert-success { background: #e7f6ef; border-color: #b7e4cf; color: #065f46; }
.alert-error { background: #fdecec; border-color: #f5c2c2; color: #991b1b; }
.alert-warning { background: #fdf3e3; border-color: #f3ddb0; color: #92400e; }
.alert-info { background: #e8f0fe; border-color: #c3d7fb; color: #1e40af; }

/* ---------- 定义列表 ---------- */

dl.kv {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 0;
    margin: 0;
}

dl.kv dt {
    padding: 8px 0;
    color: var(--text-muted);
    border-bottom: 1px dashed var(--border);
    font-size: 13px;
}

dl.kv dd {
    padding: 8px 0;
    margin: 0;
    border-bottom: 1px dashed var(--border);
    word-break: break-all;
}

/* ---------- 登录页 ---------- */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1f2a37 0%, #33475b 100%);
    padding: 24px;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: #fff;
    border-radius: 12px;
    padding: 30px 28px;
    box-shadow: 0 18px 45px rgba(15, 23, 42, .28);
}

.auth-brand {
    text-align: center;
    margin-bottom: 22px;
}

.auth-brand h1 {
    font-size: 19px;
    margin: 8px 0 4px;
}

.auth-brand p {
    color: var(--text-muted);
    font-size: 13px;
    margin: 0;
}

.auth-foot {
    margin-top: 18px;
    text-align: center;
    font-size: 12.5px;
    color: var(--text-muted);
}

/* ---------- 分页 ---------- */

.pager {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 13px 16px;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

.pager-info { color: var(--text-muted); font-size: 12.5px; margin-right: auto; }

.pager a, .pager span.current {
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 5px;
    font-size: 12.5px;
    background: #fff;
    color: var(--text);
}

.pager span.current {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* ---------- 工具类 ---------- */

.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-16 { margin-bottom: 16px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.flex-gap { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.nowrap { white-space: nowrap; }

pre.output {
    background: #0f172a;
    color: #e2e8f0;
    padding: 14px;
    border-radius: 6px;
    overflow-x: auto;
    max-height: 420px;
    white-space: pre-wrap;
    word-break: break-all;
}

/* 表单页：验证方式对应的配置块与验证按钮 */
.verify-block {
    border: 1px solid var(--border, #e2e8f0);
    border-left: 3px solid var(--primary, #2563eb);
    border-radius: 6px;
    padding: 12px 14px;
    margin-bottom: 16px;
    background: #f8fafc;
}

.verify-title {
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 8px;
}

.verify-sub {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--border, #e2e8f0);
}

/* 人工模式：需要添加的 TXT 主机记录清单 */
.record-list {
    margin: 8px 0;
    padding: 10px 12px;
    background: #fff;
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 6px;
    font-family: Consolas, Monaco, "Courier New", monospace;
    font-size: 13px;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-all;
}

@media (max-width: 860px) {
    .app { flex-direction: column; }
    .sidebar { width: 100%; flex: none; height: auto; position: static; }
    .nav { display: flex; flex-wrap: wrap; gap: 4px; }
    .nav-item { margin-bottom: 0; }
    dl.kv { grid-template-columns: 1fr; }
    dl.kv dt { border-bottom: none; padding-bottom: 0; }
}