/* ============================================
   SSL 证书管理平台 - 样式表
   兼容 PHP 虚拟主机环境
   ============================================ */

/* 重置和基础样式 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #dbeafe;
    --success: #16a34a;
    --success-light: #dcfce7;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --info: #0891b2;
    --info-light: #cffafe;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --sidebar-width: 240px;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-100);
}

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

code { font-family: "SF Mono", Monaco, Consolas, "Courier New", monospace; font-size: 0.9em; }

.muted { color: var(--gray-500); font-size: 0.875rem; }
.required { color: var(--danger); }

/* ============================================
   按钮样式
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary { background: var(--gray-200); color: var(--gray-700); border-color: var(--gray-300); }
.btn-secondary:hover { background: var(--gray-300); }

.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { background: #15803d; }

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

.btn-warning { background: var(--warning); color: #fff; border-color: var(--warning); }
.btn-warning:hover { background: #b45309; }

.btn-info { background: var(--info); color: #fff; border-color: var(--info); }
.btn-info:hover { background: #0e7490; }

.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn-block { width: 100%; }

/* ============================================
   安装页面
   ============================================ */
.install-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.install-container {
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    max-width: 900px;
    width: 100%;
    overflow: hidden;
}

.install-header {
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    color: #fff;
    padding: 32px;
    text-align: center;
}

.install-header h1 { font-size: 28px; margin-bottom: 8px; }
.install-header p { opacity: 0.9; font-size: 14px; }

.install-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 32px;
    gap: 8px;
}

.step-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gray-200);
    color: var(--gray-500);
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s;
}

.step-label { font-size: 14px; color: var(--gray-500); }

.step-indicator.active .step-num { background: var(--primary); color: #fff; }
.step-indicator.active .step-label { color: var(--primary); font-weight: 600; }
.step-indicator.done .step-num { background: var(--success); color: #fff; }
.step-indicator.done .step-label { color: var(--success); }

.step-line {
    flex: 0 0 40px;
    height: 2px;
    background: var(--gray-200);
    transition: background 0.3s;
}
.step-line.done { background: var(--success); }

.install-content { padding: 32px; }
.install-content h2 { margin-bottom: 8px; font-size: 22px; }
.install-content > p.muted { margin-bottom: 24px; }

.env-results { display: flex; flex-direction: column; gap: 24px; }
.env-category h3 { font-size: 15px; margin-bottom: 12px; color: var(--gray-700); border-bottom: 2px solid var(--gray-200); padding-bottom: 8px; }

.env-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.env-table th { text-align: left; padding: 8px 12px; background: var(--gray-50); color: var(--gray-600); font-weight: 600; border-bottom: 1px solid var(--gray-200); }
.env-table td { padding: 8px 12px; border-bottom: 1px solid var(--gray-100); }
.env-table tr.pass td:last-child .status-icon { color: var(--success); }
.env-table tr.fail td:last-child .status-icon { color: var(--danger); }
.env-table .note-row td { background: var(--warning-light); padding: 4px 12px; }
.env-table .note-row small { color: var(--warning); }

.install-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 32px;
    gap: 12px;
}

.install-footer {
    text-align: center;
    padding: 16px 32px;
    background: var(--gray-50);
    color: var(--gray-500);
    font-size: 12px;
}

/* 安装表单 */
.install-form .form-section {
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}
.install-form .form-section h3 { margin-bottom: 16px; font-size: 15px; }

/* ============================================
   表单样式
   ============================================ */
.form-group { margin-bottom: 16px; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 14px;
    color: var(--gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group small { display: block; margin-top: 4px; color: var(--gray-500); font-size: 12px; }

.radio-label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
    padding: 12px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    transition: background 0.15s;
}
.radio-label:hover { background: var(--gray-50); }
.radio-label input[type="radio"] { margin-top: 3px; }
.radio-label small { margin-left: 8px; }

/* ============================================
   登录页面
   ============================================ */
.login-page {
    background: linear-gradient(135deg, #1e3a8a 0%, #3730a3 50%, #5b21b6 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container { width: 100%; max-width: 400px; }

.login-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 40px 32px;
}

.login-header { text-align: center; margin-bottom: 32px; }
.login-icon { font-size: 48px; margin-bottom: 12px; }
.login-header h1 { font-size: 22px; margin-bottom: 4px; }
.login-header p { color: var(--gray-500); font-size: 13px; }

.login-form .form-group { margin-bottom: 20px; }

.login-footer { text-align: center; margin-top: 24px; color: var(--gray-400); font-size: 12px; }

/* ============================================
   仪表盘布局
   ============================================ */
.dashboard-page { background: var(--gray-100); }

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

.sidebar {
    width: var(--sidebar-width);
    background: var(--gray-900);
    color: var(--gray-300);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--gray-800);
}
.sidebar-header h2 { font-size: 18px; color: #fff; }

.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--gray-400);
    font-size: 14px;
    text-decoration: none;
    transition: all 0.15s;
    border-left: 3px solid transparent;
}
.nav-item:hover { background: var(--gray-800); color: #fff; text-decoration: none; }
.nav-item.active { background: var(--gray-800); color: #fff; border-left-color: var(--primary); }
.nav-logout { color: var(--danger); }
.nav-logout:hover { background: rgba(220,38,38,0.1); }

.sidebar-footer { padding: 12px 20px; border-top: 1px solid var(--gray-800); font-size: 11px; color: var(--gray-600); }

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 24px 32px;
    min-width: 0;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.content-header h1 { font-size: 24px; }

/* ============================================
   统计卡片
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 16px;
    border-left: 4px solid var(--primary);
}

.stat-card.stat-success { border-left-color: var(--success); }
.stat-card.stat-warning { border-left-color: var(--warning); }
.stat-card.stat-danger { border-left-color: var(--danger); }

.stat-icon { font-size: 32px; }
.stat-value { font-size: 28px; font-weight: 700; line-height: 1; }
.stat-label { color: var(--gray-500); font-size: 13px; margin-top: 4px; }

/* ============================================
   内容区域
   ============================================ */
.content-section {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
    overflow: hidden;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
}
.section-header h2 { font-size: 16px; }

.table-container { overflow-x: auto; }

.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th {
    text-align: left;
    padding: 12px 16px;
    background: var(--gray-50);
    color: var(--gray-600);
    font-weight: 600;
    font-size: 13px;
    border-bottom: 1px solid var(--gray-200);
    white-space: nowrap;
}
.data-table td { padding: 12px 16px; border-bottom: 1px solid var(--gray-100); }
.data-table tr:hover { background: var(--gray-50); }
.data-table .empty-row { text-align: center; padding: 40px; }

.empty-state { text-align: center; padding: 20px; }
.empty-icon { font-size: 48px; margin-bottom: 12px; opacity: 0.5; }
.empty-state p { color: var(--gray-500); margin-bottom: 16px; }
.empty-state-small { text-align: center; padding: 20px; color: var(--gray-400); }

/* ============================================
   徽章
   ============================================ */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-info { background: var(--info-light); color: var(--info); }
.badge-secondary { background: var(--gray-200); color: var(--gray-600); }

.text-success { color: var(--success); font-weight: 600; }
.text-warning { color: var(--warning); font-weight: 600; }
.text-danger { color: var(--danger); font-weight: 600; }

/* ============================================
   提示框
   ============================================ */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 14px;
}
.alert ul { margin: 8px 0 0 20px; }
.alert-info { background: var(--info-light); color: #0c4a6e; border: 1px solid #67e8f9; }
.alert-success { background: var(--success-light); color: #14532d; border: 1px solid #86efac; }
.alert-warning { background: var(--warning-light); color: #78350f; border: 1px solid #fcd34d; }
.alert-danger { background: var(--danger-light); color: #7f1d1d; border: 1px solid #fca5a5; }

/* ============================================
   申请页面
   ============================================ */
.apply-container { max-width: 800px; }

.apply-form .form-section {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
}
.apply-form .form-section h3 { margin-bottom: 16px; font-size: 15px; }

.form-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 20px; }

/* 进度面板 */
.progress-panel {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}
.progress-panel h3 { margin-bottom: 20px; }

.progress-steps { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }

.progress-step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border-radius: var(--radius);
    transition: all 0.3s;
}
.progress-step .step-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gray-200);
    color: var(--gray-500);
    font-size: 13px;
    font-weight: 600;
}
.progress-step .step-text { font-size: 14px; color: var(--gray-500); }

.progress-step.active { background: var(--primary-light); }
.progress-step.active .step-icon { background: var(--primary); color: #fff; animation: pulse 1.5s infinite; }
.progress-step.active .step-text { color: var(--primary); font-weight: 600; }

.progress-step.done .step-icon { background: var(--success); color: #fff; }
.progress-step.done .step-text { color: var(--success); }

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.progress-log {
    background: var(--gray-900);
    color: #4ade80;
    padding: 16px;
    border-radius: var(--radius);
    font-family: "SF Mono", Monaco, Consolas, monospace;
    font-size: 13px;
    max-height: 200px;
    overflow-y: auto;
}
.log-line { padding: 2px 0; }

/* 结果面板 */
.result-panel { margin-top: 24px; }

.result-success, .result-error {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    text-align: center;
}

.success-icon-large, .error-icon-large {
    font-size: 64px;
    margin-bottom: 16px;
    display: inline-block;
    width: 96px;
    height: 96px;
    line-height: 96px;
    border-radius: 50%;
}
.success-icon-large { background: var(--success-light); color: var(--success); }
.error-icon-large { background: var(--danger-light); color: var(--danger); }

.result-success h2, .result-error h2 { font-size: 22px; margin-bottom: 16px; }

.cert-summary {
    text-align: left;
    background: var(--gray-50);
    padding: 20px;
    border-radius: var(--radius);
    margin: 20px 0;
}
.summary-item { display: flex; padding: 4px 0; }
.summary-item .label { flex: 0 0 100px; color: var(--gray-500); font-size: 13px; }
.summary-item .value { flex: 1; font-weight: 500; }

.result-downloads { margin: 24px 0; }
.result-downloads h3 { margin-bottom: 12px; font-size: 16px; }
.download-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.result-actions { display: flex; gap: 12px; justify-content: center; margin-top: 24px; }

.error-details { text-align: left; margin: 20px 0; }
.error-log {
    background: var(--gray-900);
    color: #f87171;
    padding: 16px;
    border-radius: var(--radius);
    font-family: monospace;
    font-size: 13px;
    white-space: pre-wrap;
    overflow-x: auto;
}

.troubleshoot { text-align: left; margin: 20px 0; }
.troubleshoot h3 { margin-bottom: 8px; font-size: 15px; }
.troubleshoot ul { margin-left: 20px; }
.troubleshoot li { margin: 4px 0; color: var(--gray-600); font-size: 13px; }

/* ============================================
   证书详情页
   ============================================ */
.cert-detail { max-width: 1000px; }

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 12px;
    padding: 20px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px;
    background: var(--gray-50);
    border-radius: var(--radius);
}
.info-label { font-size: 12px; color: var(--gray-500); font-weight: 500; }
.info-value { font-size: 14px; font-weight: 500; }
.info-value.code { font-family: monospace; word-break: break-all; }

.san-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 20px;
}
.san-tag {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    padding: 20px;
}

.download-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 24px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--gray-700);
    transition: all 0.15s;
}
.download-card:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary-dark);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.download-icon { font-size: 32px; }
.download-name { font-weight: 600; font-size: 14px; }
.download-file { font-family: monospace; font-size: 12px; color: var(--gray-500); }
.download-card.download-all { border-color: var(--success); background: var(--success-light); }
.download-card.download-all:hover { background: var(--success); color: #fff; }
.download-card.download-all .download-file { color: var(--success); }

.code-block {
    background: var(--gray-900);
    color: #e5e7eb;
    padding: 16px;
    border-radius: var(--radius);
    font-family: "SF Mono", Monaco, Consolas, monospace;
    font-size: 12px;
    line-height: 1.5;
    overflow-x: auto;
    margin: 0 20px 20px;
    max-height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.action-buttons {
    display: flex;
    gap: 12px;
    padding: 20px;
    flex-wrap: wrap;
}

/* ============================================
   过滤栏
   ============================================ */
.filter-bar { margin-bottom: 16px; }
.filter-form { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-input, .filter-select {
    padding: 6px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
}
.filter-input { flex: 1; min-width: 200px; }

/* ============================================
   日志列表
   ============================================ */
.logs-list { padding: 12px 20px; }
.log-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-100);
    font-size: 13px;
    flex-wrap: wrap;
}
.log-time { color: var(--gray-500); font-family: monospace; min-width: 120px; }
.log-action { font-weight: 600; }
.log-domain { color: var(--primary); }
.log-status { font-size: 12px; padding: 2px 8px; border-radius: 10px; }
.status-success { background: var(--success-light); color: var(--success); }
.status-failure { background: var(--danger-light); color: var(--danger); }
.status-pending { background: var(--info-light); color: var(--info); }
.log-message { color: var(--gray-600); flex: 1; }

/* ============================================
   分页
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    padding: 16px;
}
.page-info { color: var(--gray-500); font-size: 14px; }

/* ============================================
   设置页面
   ============================================ */
.extensions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    padding: 20px;
}
.ext-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    border-radius: var(--radius);
    font-size: 13px;
}
.ext-loaded { background: var(--success-light); color: var(--success); }
.ext-missing { background: var(--danger-light); color: var(--danger); }
.ext-name { font-weight: 600; }

/* ============================================
   成功/错误容器
   ============================================ */
.success-container, .error-container {
    max-width: 600px;
    margin: 80px auto;
    text-align: center;
    background: #fff;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.success-container .alert, .error-container .alert { text-align: left; }

/* ============================================
   响应式
   ============================================ */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    .sidebar.show { transform: translateX(0); }
    .main-content { margin-left: 0; padding: 16px; }
    .content-header { flex-direction: column; align-items: flex-start; gap: 12px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .form-row { flex-direction: column; }
    .install-steps { flex-direction: column; }
    .step-line { width: 2px; height: 24px; }
}

/* ============================================
   DNS-01 两阶段流程样式
   ============================================ */

/* 流程阶段指示器 */
.phase-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 24px 0 32px;
    gap: 8px;
}
.phase-step {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-400);
    font-size: 13px;
}
.phase-step .phase-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gray-200);
    color: var(--gray-500);
    font-weight: 600;
    font-size: 13px;
    transition: all 0.3s;
}
.phase-step.active .phase-num {
    background: var(--primary);
    color: #fff;
}
.phase-step.active { color: var(--primary); font-weight: 600; }
.phase-step.done .phase-num {
    background: var(--success);
    color: #fff;
}
.phase-step.done { color: var(--success); }
.phase-line {
    width: 48px;
    height: 2px;
    background: var(--gray-200);
    border-radius: 1px;
}

/* DNS 记录卡片 */
.dns-panel { margin-top: 16px; }
.dns-record-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 16px;
}
.dns-record-card h4 {
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--gray-700);
}
.dns-record-table {
    width: 100%;
    border-collapse: collapse;
}
.dns-record-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--gray-200);
    font-size: 13px;
    vertical-align: middle;
}
.dns-record-table td.dns-label {
    width: 140px;
    color: var(--gray-500);
    white-space: nowrap;
}
.dns-value {
    background: var(--gray-100);
    padding: 4px 8px;
    border-radius: 4px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 12px;
    word-break: break-all;
}

/* 复制按钮 */
.btn-sm {
    padding: 2px 10px;
    font-size: 12px;
    border-radius: 4px;
}
.btn-copy {
    background: var(--gray-200);
    color: var(--gray-600);
    border: none;
    cursor: pointer;
    margin-left: 8px;
}
.btn-copy:hover { background: var(--gray-300); }

/* DNS 检测结果项 */
.dns-check-item {
    padding: 8px 12px;
    margin-bottom: 6px;
    border-radius: 4px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.dns-check-item.success {
    background: var(--success-light);
    color: var(--success);
}
.dns-check-item.failed {
    background: var(--danger-light);
    color: var(--danger);
}
.dns-check-item .status-icon {
    font-weight: bold;
    font-size: 16px;
}

/* DNS 操作按钮区 */
.dns-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

@media (max-width: 768px) {
    .phase-indicator { flex-wrap: wrap; }
    .phase-line { width: 24px; }
    .dns-actions { flex-direction: column; align-items: stretch; }
    .dns-record-table td.dns-label { width: 100px; }
}