/* ===== 整体布局：导航、页脚 ===== */

/* 顶部导航 */
.navbar {
    height: var(--header-height);
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    padding: 0 24px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
}

.navbar-brand .logo-icon {
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: #fff;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 32px;
    list-style: none;
}

.navbar-nav a {
    padding: 8px 16px;
    border-radius: 6px;
    color: var(--gray-700);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.navbar-nav a:hover,
.navbar-nav a.active {
    background: var(--primary-light);
    color: var(--primary);
}

.navbar-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    font-size: 0.85rem;
    color: var(--gray-600);
}

.user-role {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.user-role.admin {
    background: #fce4ec;
    color: #c62828;
}

.user-role.editor {
    background: #fff3e0;
    color: #e65100;
}

.user-role.viewer {
    background: #e8f5e9;
    color: #2e7d32;
}

/* 主内容区 */
.main-content {
    margin-top: var(--header-height);
    padding: 24px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* 页面标题栏 */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-200);
}

.page-header h1 {
    font-size: 1.5rem;
}

/* 页脚 */
.footer {
    text-align: center;
    padding: 24px;
    margin-top: 48px;
    border-top: 1px solid var(--gray-200);
}

.footer-swift {
    font-size: 0.85rem;
    color: #999;
    letter-spacing: 0.02em;
}

.footer-swift b {
    color: var(--primary);
    font-weight: 700;
}

.footer-slogan {
    font-size: 0.75rem;
    color: #aaa;
    margin-top: 4px;
}

/* 后台布局 */
.admin-layout {
    display: flex;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

.admin-sidebar {
    width: var(--sidebar-width);
    background: #fff;
    border-right: 1px solid var(--gray-200);
    padding: 16px 0;
    flex-shrink: 0;
}

.admin-sidebar .sidebar-title {
    padding: 8px 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.admin-sidebar a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--gray-700);
    font-size: 0.9rem;
    transition: var(--transition);
}

.admin-sidebar a:hover,
.admin-sidebar a.active {
    background: var(--primary-light);
    color: var(--primary);
}

.admin-main {
    flex: 1;
    padding: 24px;
    min-width: 0;
}