/* Member Center Styles */

:root {
    --member-sidebar-width: 260px;
    --primary-color: #014da1;
    --text-primary: #111;
    --text-secondary: #666;
    --border-color: #eee;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
}

/* Member Center Wrapper */
.member-center-wrapper {
    display: flex;
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    align-items: flex-start;
}

/* Sidebar Styles */
.member-sidebar {
    width: var(--member-sidebar-width);
    flex-shrink: 0;
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.sidebar-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-white);
}

.sidebar-header h4 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-header h4 i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.sidebar-title {
    transition: opacity 0.3s;
}

.sidebar-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background 0.2s;
}

.sidebar-toggle:hover {
    background: var(--bg-light);
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    margin: 0.25rem 0;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.875rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    gap: 0.75rem;
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    transition: color 0.2s;
}

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

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

.nav-link.active {
    background-color: rgba(1, 77, 161, 0.1);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: 500;
}

.nav-link.active i {
    color: var(--primary-color);
}

/* Member Content Area */
.member-content-area {
    flex: 1;
    min-width: 0; /* 允許 flex item 縮小 */
}

/* Card Styles */
.member-card {
    background: var(--bg-white);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
}

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

.member-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

/* Placeholder Content Styles */
.placeholder-content {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.placeholder-content i {
    font-size: 4rem;
    color: var(--border-color);
    margin-bottom: 1rem;
}

.placeholder-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.placeholder-content p {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .member-center-wrapper {
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }

    .member-sidebar {
        width: 100%;
        position: relative;
    }

    .sidebar-header {
        position: relative;
    }

    .sidebar-toggle {
        display: block;
    }

    .sidebar-nav {
        display: none;
    }

    .member-sidebar.active .sidebar-nav {
        display: block;
    }

    .member-content-area {
        width: 100%;
    }
}