/* =============================================
   网站维护系统 - 全局样式
   方形UI + 不对称布局 + 现代化设计
   ============================================= */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary:       #0f6fff;
    --primary-dark:  #0850cc;
    --primary-light: #3d8bff;
    --accent:        #00c9a7;
    --accent-dark:   #00a589;
    --danger:        #e83b3b;
    --warning:       #f5a623;
    --success:       #27ae60;
    --dark:          #0d1117;
    --dark-2:        #161b22;
    --dark-3:        #1c2333;
    --dark-4:        #252d3d;
    --border:        #2a3447;
    --text-main:     #e6edf3;
    --text-sub:      #8b9ab2;
    --text-muted:    #586474;
    --card-bg:       rgba(22, 27, 34, 0.92);
    --glass:         rgba(15, 111, 255, 0.06);
    --shadow-sm:     0 2px 8px rgba(0,0,0,0.35);
    --shadow-md:     0 6px 24px rgba(0,0,0,0.45);
    --shadow-lg:     0 16px 48px rgba(0,0,0,0.55);
    --radius:        0px;
    --radius-sm:     2px;
    --transition:    0.22s ease;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background-color: var(--dark);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--accent); }

/* =============================================
   前端维护页面
   ============================================= */

.maintenance-page {
    min-height: 100vh;
    display: grid;
    grid-template-rows: 1fr auto;
    background:
        linear-gradient(135deg, #050a12 0%, #0a1628 40%, #061830 70%, #081220 100%);
    position: relative;
    overflow: hidden;
}

/* 背景网格纹理 */
.maintenance-page::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(15,111,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15,111,255,0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    z-index: 0;
}

/* 右上角装饰块 */
.maintenance-page::after {
    content: '';
    position: fixed;
    top: -80px;
    right: -80px;
    width: 420px;
    height: 420px;
    background: linear-gradient(135deg, rgba(15,111,255,0.15) 0%, transparent 65%);
    border-left: 1px solid rgba(15,111,255,0.12);
    border-bottom: 1px solid rgba(15,111,255,0.12);
    pointer-events: none;
    z-index: 0;
}

.maintenance-main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px 40px;
    position: relative;
    z-index: 1;
}

/* 不对称容器：左侧内容区更宽，右侧装饰块 */
.maintenance-container {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 0;
    max-width: 1100px;
    width: 100%;
    min-height: 520px;
    box-shadow: var(--shadow-lg), 0 0 0 1px var(--border);
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
}

/* 左侧主内容 */
.maintenance-left {
    padding: 60px 56px 56px 56px;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 32px;
}

/* 右侧装饰面板 */
.maintenance-right {
    background: linear-gradient(160deg, var(--dark-3) 0%, var(--dark-4) 100%);
    padding: 52px 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-left: 1px solid rgba(15,111,255,0.1);
    position: relative;
    overflow: hidden;
}

.maintenance-right::before {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 260px;
    height: 260px;
    border: 1px solid rgba(0,201,167,0.1);
    transform: rotate(18deg);
    pointer-events: none;
}

.maintenance-right::after {
    content: '';
    position: absolute;
    top: 30px;
    right: -40px;
    width: 160px;
    height: 160px;
    border: 1px solid rgba(15,111,255,0.12);
    transform: rotate(-12deg);
    pointer-events: none;
}

/* 顶部品牌区 */
.brand-bar {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 8px;
}

.brand-icon {
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid rgba(15,111,255,0.3);
}

.brand-icon svg {
    width: 24px;
    height: 24px;
    fill: #fff;
}

.brand-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: 0.5px;
}

.brand-sub {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* 维护标题 */
.maintenance-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(248, 100, 36, 0.1);
    border: 1px solid rgba(248,100,36,0.3);
    color: #f86424;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 6px 14px;
    width: fit-content;
}

.maintenance-badge::before {
    content: '';
    display: inline-block;
    width: 7px;
    height: 7px;
    background: #f86424;
    animation: blink 1.2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.2; }
}

.maintenance-title {
    font-size: 38px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.maintenance-title span {
    color: var(--primary-light);
}

.maintenance-notice {
    font-size: 15px;
    color: var(--text-sub);
    line-height: 1.75;
    border-left: 3px solid var(--primary);
    padding-left: 16px;
}

/* 时间信息 */
.time-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.time-item {
    background: rgba(15,111,255,0.06);
    border: 1px solid var(--border);
    padding: 14px 18px;
}

.time-item-label {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.time-item-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    font-variant-numeric: tabular-nums;
}

/* 倒计时 */
.countdown-section {
    margin-top: 4px;
}

.countdown-label {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.countdown-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.countdown-item {
    background: var(--dark-3);
    border: 1px solid var(--border);
    padding: 20px 10px 16px;
    text-align: center;
    position: relative;
    transition: border-color var(--transition);
}

.countdown-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}

.countdown-num {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1;
    font-variant-numeric: tabular-nums;
    letter-spacing: -1px;
}

.countdown-unit {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 8px;
    letter-spacing: 1px;
}

/* 右侧面板内容 */
.status-card {
    background: rgba(15,111,255,0.06);
    border: 1px solid rgba(15,111,255,0.15);
    padding: 22px;
    position: relative;
    z-index: 1;
}

.status-card-title {
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.status-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.status-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-sub);
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.status-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.status-dot {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.status-dot::before {
    content: '';
    width: 8px;
    height: 8px;
    display: inline-block;
}

.status-dot.ok::before  { background: var(--success); }
.status-dot.warn::before { background: var(--warning); animation: blink 1.2s infinite; }
.status-dot.err::before  { background: var(--danger); animation: blink 0.8s infinite; }

.right-deco-text {
    position: relative;
    z-index: 1;
    padding: 20px;
    border: 1px solid var(--border);
    background: rgba(0,0,0,0.2);
}

.right-deco-text p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.7;
}

.right-deco-text .highlight {
    color: var(--accent);
    font-weight: 600;
}

/* =============================================
   页脚
   ============================================= */

.site-footer {
    position: relative;
    z-index: 1;
    background: var(--dark-2);
    border-top: 1px solid var(--border);
    padding: 0;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 28px 20px 24px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.footer-logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-logo-icon svg {
    width: 16px;
    height: 16px;
    fill: #fff;
}

.footer-logo-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
}

.footer-copyright {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.8;
    text-align: center;
}

.footer-copyright a {
    color: var(--text-muted);
    transition: color var(--transition);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition), color var(--transition);
}

.footer-copyright a:hover {
    color: var(--primary-light);
    border-bottom-color: var(--primary-light);
}

.footer-icp {
    font-size: 12px;
    color: var(--text-muted);
    text-align: right;
    flex-shrink: 0;
}

.footer-icp a {
    color: var(--text-muted);
    border-bottom: 1px dashed var(--border);
    transition: color var(--transition), border-color var(--transition);
}

.footer-icp a:hover {
    color: var(--primary-light);
    border-bottom-color: var(--primary-light);
}

.footer-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), var(--primary), var(--border), transparent);
    margin: 0;
}

/* =============================================
   后台 - 登录页
   ============================================= */

.admin-login-page {
    min-height: 100vh;
    background:
        linear-gradient(135deg, #040810 0%, #080e1c 50%, #030912 100%);
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: relative;
    overflow: hidden;
}

.admin-login-page::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(15,111,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15,111,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

/* 左侧品牌区 */
.login-brand-panel {
    background: linear-gradient(160deg, var(--dark-2) 0%, var(--dark-3) 100%);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 60px 56px;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.login-brand-panel::before {
    content: '';
    position: absolute;
    top: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    border: 1px solid rgba(15,111,255,0.07);
    transform: rotate(20deg);
    pointer-events: none;
}

.login-brand-panel::after {
    content: '';
    position: absolute;
    bottom: -80px;
    right: -80px;
    width: 300px;
    height: 300px;
    border: 1px solid rgba(0,201,167,0.07);
    transform: rotate(-15deg);
    pointer-events: none;
}

.login-brand-top {
    position: relative;
    z-index: 1;
}

.login-brand-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 48px;
}

.login-brand-logo-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(15,111,255,0.4);
}

.login-brand-logo-icon svg {
    width: 28px;
    height: 28px;
    fill: #fff;
}

.login-brand-logo-text h1 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
}

.login-brand-logo-text p {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.login-brand-desc {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.login-brand-desc span {
    color: var(--primary-light);
}

.login-brand-features {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.login-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-sub);
}

.login-feature-item::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    flex-shrink: 0;
}

.login-brand-bottom {
    position: relative;
    z-index: 1;
    font-size: 12px;
    color: var(--text-muted);
}

/* 右侧登录表单区 */
.login-form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 56px;
    position: relative;
    z-index: 1;
}

.login-form-box {
    width: 100%;
    max-width: 420px;
}

.login-form-header {
    margin-bottom: 40px;
}

.login-form-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.login-form-header p {
    font-size: 14px;
    color: var(--text-muted);
}

/* 表单组 */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-sub);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    background: var(--dark-3);
    border: 1px solid var(--border);
    color: var(--text-main);
    font-size: 14px;
    padding: 13px 16px;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    font-family: inherit;
    border-radius: var(--radius);
}

.form-control:focus {
    border-color: var(--primary);
    background: var(--dark-4);
    box-shadow: 0 0 0 3px rgba(15,111,255,0.12);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 28px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    outline: none;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    font-family: inherit;
    letter-spacing: 0.5px;
    border-radius: var(--radius);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    width: 100%;
    border: 1px solid rgba(15,111,255,0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    box-shadow: 0 4px 20px rgba(15,111,255,0.35);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--dark-3);
    color: var(--text-sub);
    border: 1px solid var(--border);
    padding: 10px 20px;
    font-size: 13px;
}

.btn-secondary:hover {
    background: var(--dark-4);
    color: var(--text-main);
    border-color: var(--primary);
}

.btn-danger {
    background: rgba(232,59,59,0.1);
    color: var(--danger);
    border: 1px solid rgba(232,59,59,0.3);
    padding: 10px 20px;
    font-size: 13px;
}

.btn-danger:hover {
    background: rgba(232,59,59,0.2);
    box-shadow: 0 4px 16px rgba(232,59,59,0.2);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    border: 1px solid rgba(0,201,167,0.4);
    padding: 10px 20px;
    font-size: 13px;
}

.btn-accent:hover {
    box-shadow: 0 4px 16px rgba(0,201,167,0.3);
    transform: translateY(-1px);
}

/* 提示信息 */
.alert {
    padding: 13px 16px;
    font-size: 13px;
    margin-bottom: 20px;
    border-left: 3px solid;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error {
    background: rgba(232,59,59,0.08);
    border-color: var(--danger);
    color: #f87171;
}

.alert-success {
    background: rgba(39,174,96,0.08);
    border-color: var(--success);
    color: #4ade80;
}

.alert-info {
    background: rgba(15,111,255,0.08);
    border-color: var(--primary);
    color: var(--primary-light);
}

/* =============================================
   后台 - 仪表板
   ============================================= */

.admin-layout {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 240px 1fr;
    grid-template-rows: auto 1fr auto;
    background: var(--dark);
}

/* 顶部导航 */
.admin-topbar {
    grid-column: 1 / -1;
    background: var(--dark-2);
    border-bottom: 1px solid var(--border);
    padding: 0 28px;
    height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(15,111,255,0.35);
}

.topbar-logo-icon svg {
    width: 20px;
    height: 20px;
    fill: #fff;
}

.topbar-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main);
}

.topbar-sep {
    width: 1px;
    height: 28px;
    background: var(--border);
}

.topbar-breadcrumb {
    font-size: 13px;
    color: var(--text-muted);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-sub);
}

.topbar-avatar {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
}

/* 侧边栏 */
.admin-sidebar {
    background: var(--dark-2);
    border-right: 1px solid var(--border);
    padding: 28px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: sticky;
    top: 62px;
    height: calc(100vh - 62px);
    overflow-y: auto;
}

.sidebar-section-title {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 12px 24px 6px;
    margin-top: 8px;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 24px;
    font-size: 13px;
    color: var(--text-sub);
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
    border-left: 2px solid transparent;
    text-decoration: none;
}

.sidebar-item:hover {
    background: var(--dark-3);
    color: var(--text-main);
    border-left-color: var(--primary);
}

.sidebar-item.active {
    background: rgba(15,111,255,0.08);
    color: var(--primary-light);
    border-left-color: var(--primary);
    font-weight: 600;
}

.sidebar-item svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    flex-shrink: 0;
}

/* 主内容 */
.admin-content {
    padding: 36px 40px;
    background: var(--dark);
    overflow-y: auto;
}

/* 页面标题 */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 36px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.page-header-left h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
}

.page-header-left p {
    font-size: 13px;
    color: var(--text-muted);
}

/* 卡片 */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 28px;
    margin-bottom: 24px;
    border-radius: var(--radius);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title::before {
    content: '';
    width: 3px;
    height: 18px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    flex-shrink: 0;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 22px 24px;
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    height: 60px;
    border-bottom-left-radius: 0;
    border-left: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    opacity: 0.4;
}

.stat-label {
    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.stat-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1;
}

.stat-value.primary { color: var(--primary-light); }
.stat-value.accent  { color: var(--accent); }
.stat-value.warning { color: var(--warning); }

.stat-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* 表单 - 后台 */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    margin-top: 24px;
}

/* 状态指示器 */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 12px;
    letter-spacing: 0.5px;
    border: 1px solid;
}

.status-indicator.active {
    background: rgba(232,59,59,0.08);
    border-color: rgba(232,59,59,0.3);
    color: #f87171;
}

.status-indicator.active::before {
    content: '';
    width: 7px;
    height: 7px;
    background: var(--danger);
    animation: blink 0.9s infinite;
    flex-shrink: 0;
}

.status-indicator.inactive {
    background: rgba(39,174,96,0.08);
    border-color: rgba(39,174,96,0.3);
    color: #4ade80;
}

.status-indicator.inactive::before {
    content: '';
    width: 7px;
    height: 7px;
    background: var(--success);
    flex-shrink: 0;
}

/* 操作日志 */
.log-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.log-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    align-items: start;
}

.log-item:last-child { border-bottom: none; }

.log-time {
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

.log-text {
    color: var(--text-sub);
}

/* 后台页脚 */
.admin-footer {
    grid-column: 1 / -1;
    background: var(--dark-2);
    border-top: 1px solid var(--border);
    padding: 16px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}

.admin-footer a {
    color: var(--text-muted);
    border-bottom: 1px dashed var(--border);
}

.admin-footer a:hover {
    color: var(--primary-light);
    border-bottom-color: var(--primary-light);
}

/* =============================================
   响应式
   ============================================= */

@media (max-width: 960px) {
    .maintenance-container {
        grid-template-columns: 1fr;
    }
    .maintenance-right {
        display: none;
    }
    .maintenance-left {
        padding: 40px 32px;
    }
    .admin-login-page {
        grid-template-columns: 1fr;
    }
    .login-brand-panel {
        display: none;
    }
    .admin-layout {
        grid-template-columns: 1fr;
    }
    .admin-sidebar {
        display: none;
    }
    .admin-content {
        padding: 24px 20px;
    }
    .footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-icp { text-align: center; }
    .stats-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .maintenance-title { font-size: 26px; }
    .countdown-num { font-size: 26px; }
    .countdown-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .time-info { grid-template-columns: 1fr; }
    .login-form-panel { padding: 36px 24px; }
}

/* =============================================
   动画
   ============================================= */

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.animate-in {
    animation: fadeInUp 0.5s ease both;
}

.animate-delay-1 { animation-delay: 0.08s; }
.animate-delay-2 { animation-delay: 0.16s; }
.animate-delay-3 { animation-delay: 0.24s; }
.animate-delay-4 { animation-delay: 0.32s; }

/* 进度条 */
.progress-bar {
    width: 100%;
    height: 3px;
    background: var(--dark-4);
    margin-top: 12px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 1s linear;
}

/* 分割线 */
.divider {
    width: 100%;
    height: 1px;
    background: var(--border);
    margin: 20px 0;
}

/* input type datetime-local 样式修正 */
input[type="datetime-local"] {
    color-scheme: dark;
}

input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    filter: invert(0.6);
    cursor: pointer;
}

/* =============================================
   维护完成横幅
   ============================================= */

.complete-banner-inner {
    display: flex;
    align-items: center;
    gap: 18px;
    background: rgba(39,174,96,0.07);
    border: 1px solid rgba(39,174,96,0.28);
    padding: 20px 24px;
    position: relative;
}

.complete-banner-inner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--success), var(--accent));
}

.complete-icon {
    width: 44px;
    height: 44px;
    background: rgba(39,174,96,0.15);
    border: 1px solid rgba(39,174,96,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    animation: scaleIn 0.4s ease both;
}

@keyframes scaleIn {
    from { transform: scale(0.6); opacity: 0; }
    to   { transform: scale(1);   opacity: 1; }
}

.complete-icon svg {
    width: 24px;
    height: 24px;
    fill: #4ade80;
}

.complete-text {
    flex: 1;
}

.complete-title {
    font-size: 16px;
    font-weight: 700;
    color: #4ade80;
    margin-bottom: 3px;
    letter-spacing: 0.3px;
}

.complete-sub {
    font-size: 13px;
    color: var(--text-muted);
}

.complete-sub span {
    color: var(--accent);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.complete-btn {
    flex-shrink: 0;
    background: rgba(39,174,96,0.12);
    border: 1px solid rgba(39,174,96,0.35);
    color: #4ade80;
    font-size: 13px;
    font-weight: 600;
    padding: 9px 20px;
    cursor: pointer;
    transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
    font-family: inherit;
    border-radius: var(--radius);
}

.complete-btn:hover {
    background: rgba(39,174,96,0.22);
    box-shadow: 0 4px 14px rgba(39,174,96,0.2);
    transform: translateY(-1px);
}

.complete-progress-bar {
    height: 3px;
    background: rgba(39,174,96,0.1);
    border: 1px solid rgba(39,174,96,0.15);
    border-top: none;
    overflow: hidden;
}

.complete-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success), var(--accent));
    width: 100%;
}