/* Lynux 舞台主样式 */

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

body {
    font-family: var(--font-body);
    background: var(--stage-bg);
    color: var(--stage-text);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.stage {
    max-width: 720px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-md);
}

.stage__scene {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

/* ===== 导航栏 ===== */
.stage__nav {
    border-bottom: 1px solid var(--border);
    background: var(--surface-card);
}

.nav-bar {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--stage-text-primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--stage-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--stage-text-primary);
}

.nav-link--primary {
    color: var(--accent);
    border: 1px solid var(--accent);
}

.nav-link--primary:hover {
    background: var(--accent);
    color: var(--stage-bg);
}

.nav-user {
    font-size: 0.9rem;
    color: var(--stage-text-primary);
}

/* ===== 认证表单 ===== */
.auth-box {
    max-width: 400px;
    width: 100%;
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: var(--spacing-xl);
}

.auth-box h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--stage-text-primary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.85rem;
    color: var(--stage-text-muted);
}

.form-input {
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface-base);
    color: var(--stage-text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-input:focus {
    border-color: var(--accent);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.2rem;
    border: 1px solid transparent;
    border-radius: 6px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn--primary {
    background: var(--accent);
    color: var(--stage-bg);
    font-weight: 600;
}

.btn--primary:hover {
    background: var(--accent-hover);
}

.btn--full {
    width: 100%;
}

/* ===== 提示条 ===== */
.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: var(--spacing-md);
}

.alert--error {
    background: rgba(229, 57, 53, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert--success {
    background: rgba(67, 160, 71, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

/* ===== 认证链接 ===== */
.auth-link {
    text-align: center;
    margin-top: var(--spacing-lg);
    font-size: 0.85rem;
    color: var(--stage-text-muted);
}

.auth-link a {
    color: var(--accent);
    text-decoration: none;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* ===== 舞台幕布 ===== */
.curtain {
    margin: var(--spacing-xl) 0;
    font-size: 4rem;
    text-align: center;
}

/* 标题 */
h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, #f093fb, #f5576c, #4facfe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--stage-text-muted);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.welcome {
    text-align: center;
    line-height: 2;
    margin-top: var(--spacing-md);
}

.welcome a {
    color: var(--accent);
    text-decoration: none;
}

.welcome a:hover {
    text-decoration: underline;
}

/* 脚注 */
.stage__footer {
    text-align: center;
    font-size: 0.8rem;
    color: var(--stage-text-muted);
    border-top: 1px solid var(--border);
    padding: var(--spacing-lg);
    margin-top: auto;
}

/* 卡片 */
.card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

/* ===== 首页海报墙 ===== */
.poster-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.poster-greeting {
    font-size: 0.9rem;
    color: var(--stage-text-muted);
    margin-top: -0.5rem;
}

.poster-greeting a {
    color: var(--accent);
    text-decoration: none;
}

.poster-greeting a:hover {
    text-decoration: underline;
}

.poster-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-width: 960px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.poster-card {
    display: flex;
    gap: var(--spacing-md);
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: var(--spacing-lg);
    text-decoration: none;
    color: inherit;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}

.poster-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), #4facfe);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.poster-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.poster-card:hover::before {
    opacity: 1;
}

.poster-card__icon {
    font-size: 2rem;
    flex-shrink: 0;
    line-height: 1;
}

.poster-card__body {
    flex: 1;
    min-width: 0;
}

.poster-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--stage-text-primary);
    margin: 0 0 var(--spacing-xs);
    background: none;
    -webkit-text-fill-color: var(--stage-text-primary);
    line-height: 1.4;
}

.poster-card__summary {
    font-size: 0.8rem;
    color: var(--stage-text-muted);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.poster-card__meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.poster-card__date {
    font-size: 0.75rem;
    color: var(--stage-text-muted);
}

/* ===== 文章展示页 ===== */
.article {
    width: 100%;
}

.article__header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
}

.article__icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.article__title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: none;
    -webkit-text-fill-color: var(--stage-text-primary);
    color: var(--stage-text-primary);
    -webkit-background-clip: unset;
    background-clip: unset;
    line-height: 1.3;
}

.article__summary {
    font-size: 1rem;
    color: var(--stage-text-muted);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.article__meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--stage-text-muted);
    flex-wrap: wrap;
}

.article__author,
.article__date {
    font-size: 0.85rem;
}

.article__body {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--stage-text);
    margin-bottom: var(--spacing-xl);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.article__body p {
    margin-bottom: var(--spacing-md);
}

.article__footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border);
}

/* ===== 安装向导 ===== */
.install-status {
    margin-top: var(--spacing-md);
}

.install-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.install-table td {
    padding: 0.4rem 0.5rem;
    color: var(--stage-text);
}

.install-table td:first-child {
    color: var(--stage-text-muted);
}

.install-table td:last-child {
    text-align: right;
    font-size: 1.1rem;
}

code {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    background: var(--surface-elevated);
    padding: 1px 5px;
    border-radius: 3px;
    color: var(--accent);
}

/* ============================================================
   🎪 后台布局与样式
   ============================================================ */

/* ── 顶栏 ── */
.admin__topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    height: 56px;
    background: rgba(22, 27, 34, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin__topbar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.admin__logo {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--stage-text-primary);
    text-decoration: none;
    letter-spacing: 0.3px;
    transition: opacity 0.2s;
}

.admin__logo:hover {
    opacity: 0.85;
}

.admin__topbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.admin__user {
    font-size: 0.85rem;
    color: var(--stage-text);
}

.admin__role-badge {
    display: inline-block;
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 10px;
    background: rgba(0, 188, 212, 0.15);
    color: var(--accent);
    margin-left: var(--spacing-xs);
    vertical-align: middle;
    font-weight: 600;
    letter-spacing: 0.3px;
}

/* ── 主体布局 ── */
.admin__layout {
    display: flex;
    flex: 1;
    min-height: calc(100vh - 56px);
}

/* ── 侧栏 ── */
.admin__sidebar {
    width: 220px;
    flex-shrink: 0;
    background: var(--surface-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 56px;
    height: calc(100vh - 56px);
    overflow-y: auto;
}

.admin__nav {
    display: flex;
    flex-direction: column;
    gap: 1px;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.admin__nav-label {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--stage-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-xs);
}

.admin__nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.55rem var(--spacing-md);
    font-size: 0.85rem;
    color: var(--stage-text-muted);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-weight: 450;
}

.admin__nav-item:hover {
    color: var(--stage-text-primary);
    background: var(--surface-elevated);
}

.admin__nav-item--active {
    color: var(--accent);
    background: rgba(0, 188, 212, 0.08);
    font-weight: 600;
}

.admin__nav-item--active:hover {
    background: rgba(0, 188, 212, 0.12);
}

.admin__nav-item .nav-icon {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.admin__nav-item .nav-text {
    flex: 1;
}

/* ── 侧栏底部 ── */
.admin__sidebar-footer {
    border-top: 1px solid var(--border);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.admin__sidebar-footer .admin__nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 0.5rem 0;
    font-size: 0.75rem;
}

.admin__sidebar-footer .admin__nav-item .nav-icon {
    font-size: 1.2rem;
}

/* ── 内容区 ── */
.admin__content {
    flex: 1;
    padding: var(--spacing-xl);
    overflow-y: auto;
    background: var(--surface-base);
}

/* ===== 后台统计卡片 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: var(--spacing-lg);
    transition: all 0.25s ease;
    cursor: default;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: 10px 10px 0 0;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* 各卡片不同顶部分隔色 */
.stat-card:nth-child(1)::before { background: linear-gradient(90deg, #00bcd4, #26c6da); }
.stat-card:nth-child(2)::before { background: linear-gradient(90deg, #43a047, #66bb6a); }
.stat-card:nth-child(3)::before { background: linear-gradient(90deg, #ff8f00, #ffb300); }
.stat-card:nth-child(4)::before { background: linear-gradient(90deg, #e53935, #ef5350); }
.stat-card:nth-child(5)::before { background: linear-gradient(90deg, #ab47bc, #ce93d8); }
.stat-card:nth-child(6)::before { background: linear-gradient(90deg, #5c6bc0, #7986cb); }

.stat-card__icon {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.stat-card__label {
    font-size: 0.8rem;
    color: var(--stage-text-muted);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.stat-card__value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--stage-text-primary);
    letter-spacing: -0.5px;
    line-height: 1.2;
}

/* ===== 后台内容卡片 ===== */
.content-card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.content-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border);
}

.content-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--stage-text-primary);
    background: none;
    -webkit-text-fill-color: var(--stage-text-primary);
    margin: 0;
}

.content-card__body {
    padding: 0;
}

/* ===== 后台表格 ===== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table thead {
    background: var(--surface-elevated);
}

.data-table th {
    text-align: left;
    padding: 0.7rem var(--spacing-lg);
    color: var(--stage-text-muted);
    font-weight: 600;
    font-size: 0.78rem;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    white-space: nowrap;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 0.65rem var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    color: var(--stage-text);
    transition: background 0.15s;
}

.data-table tbody tr {
    transition: background 0.15s;
}

.data-table tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.015);
}

.data-table tbody tr:hover {
    background: var(--surface-elevated);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* ===== 后台徽标 ===== */
.badge {
    display: inline-block;
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.badge--info {
    background: rgba(0, 188, 212, 0.12);
    color: #26c6da;
}

.badge--success {
    background: rgba(67, 160, 71, 0.12);
    color: #66bb6a;
}

.badge--warning {
    background: rgba(255, 143, 0, 0.12);
    color: #ffb300;
}

.badge--danger {
    background: rgba(229, 57, 53, 0.12);
    color: #ef5350;
}

/* ===== 页面头部 ===== */
.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-header__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0;
    background: none;
    -webkit-text-fill-color: var(--stage-text-primary);
    color: var(--stage-text-primary);
    -webkit-background-clip: unset;
    background-clip: unset;
}

.page-header__subtitle {
    font-size: 0.85rem;
    color: var(--stage-text-muted);
    margin-top: var(--spacing-xs);
}

/* ===== 小按钮 ===== */
.btn--sm {
    font-size: 0.8rem;
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
}

/* 通用 */
.text-muted {
    color: var(--stage-text-muted);
}
.text-nowrap {
    white-space: nowrap;
}