/* Layout Container */
.layout-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    background-color: var(--sokuree-bg-main);
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--sokuree-bg-sidebar);
    color: var(--sokuree-text-inverse);
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    flex-shrink: 0;
    z-index: 20;
}

.sidebar-header {
    height: 64px;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #fff;
}

.brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: #fff;
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    overflow-y: auto;
}

/* Module Group Styles */
.module-group {
    margin-bottom: 0.5rem;
}

.module-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0.75rem;
    color: #94a3b8;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-base);
    border-radius: var(--sokuree-radius-md);
}

.module-header:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.module-header.active {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.05);
}

.module-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.module-items {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding-left: 0.5rem;
    margin-top: 0.25rem;
    padding-bottom: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem 0.6rem 1rem;
    border-radius: var(--sokuree-radius-md);
    color: #94a3b8;
    transition: var(--transition-base);
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
    position: relative;
    z-index: 5;
}

.nav-item:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-item.active {
    background-color: var(--sokuree-brand-primary);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--sokuree-brand-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: #fff;
}

.user-role {
    font-size: 0.75rem;
    color: #94a3b8;
}

.logout-btn {
    color: #94a3b8;
    padding: 0.5rem;
    border-radius: var(--sokuree-radius-sm);
    transition: var(--transition-base);
}

.logout-btn:hover {
    color: #ef4444;
    background-color: rgba(239, 68, 68, 0.1);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--sokuree-bg-main);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Top Header - White Theme */
.top-header {
    height: 64px;
    background-color: var(--sokuree-bg-card);
    border-bottom: 1px solid var(--sokuree-border-color);
    display: flex;
    align-items: flex-end;
    padding: 0 2.5rem;
    color: var(--sokuree-text-primary);
    justify-content: flex-end;
    /* Align to right */
}

.header-tabs {
    display: flex;
    gap: 1.5rem;
    /* Better gap between tabs */
}

.tab-item {
    padding: 0.75rem 0.5rem;
    font-weight: 500;
    color: var(--sokuree-text-secondary);
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
    font-size: 0.95rem;
    background: none;
    cursor: pointer;
    position: relative;
    top: 1px;
    text-decoration: none;
    white-space: nowrap;
}

.tab-item:hover {
    color: var(--sokuree-brand-primary);
}

.tab-item.active {
    color: var(--sokuree-brand-primary);
    font-weight: 700;
    border-bottom-color: var(--sokuree-brand-primary);
}

.header-actions {
    margin-left: auto;
}

/* Content Area */
.content-area {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}