/* Header & Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 30px 20px;
    flex-shrink: 0;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    padding: 0 10px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 16px;
    border-radius: var(--radius-m);
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 500;
    font-size: 15px;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--accent-blue);
    color: white;
}

.nav-item i {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

/* Page Header Elements */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: end;
    margin-bottom: 30px;
}

.page-title h1 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 5px;
}

.page-date,
.subtitle {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 13px;
    letter-spacing: 0.5px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bg-card-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .user-profile {
        position: absolute;
        top: 20px;
        right: 20px;
    }
}